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生物質能源的應用技術研究

發布時間: 2017-08-17 22:28   59972 次瀏覽


化(hua)石(shi)能(neng)(neng)源(yuan)(yuan)的(de)(de)(de)日益緊缺及(ji)其(qi)(qi)衍生(sheng)的(de)(de)(de)環境污(wu)染問題越來(lai)越嚴重(zhong)。生(sheng)物(wu)(wu)質(zhi)(zhi)(zhi)(zhi)(zhi)能(neng)(neng)源(yuan)(yuan)的(de)(de)(de)開發(fa)和(he)應(ying)(ying)(ying)用(yong)(yong),以其(qi)(qi)可(ke)(ke)再生(sheng)性和(he)環保(bao)性,越來(lai)越受(shou)到(dao)人們的(de)(de)(de)重(zhong)視。***目前(qian)的(de)(de)(de)應(ying)(ying)(ying)用(yong)(yong)現(xian)狀(zhuang)來(lai)看(kan),其(qi)(qi)應(ying)(ying)(ying)用(yong)(yong)形態(tai)(tai)(tai),主要(yao)(yao)分為固(gu)態(tai)(tai)(tai)生(sheng)物(wu)(wu)質(zhi)(zhi)(zhi)(zhi)(zhi)能(neng)(neng)源(yuan)(yuan)、液態(tai)(tai)(tai)生(sheng)物(wu)(wu)質(zhi)(zhi)(zhi)(zhi)(zhi)能(neng)(neng)源(yuan)(yuan)和(he)氣(qi)(qi)態(tai)(tai)(tai)生(sheng)物(wu)(wu)質(zhi)(zhi)(zhi)(zhi)(zhi)能(neng)(neng)源(yuan)(yuan)三種(zhong)。采用(yong)(yong)物(wu)(wu)理方(fang)法的(de)(de)(de)生(sheng)物(wu)(wu)質(zhi)(zhi)(zhi)(zhi)(zhi)固(gu)態(tai)(tai)(tai)成(cheng)型技(ji)術的(de)(de)(de)優勢(shi)在于(yu)設備簡單,生(sheng)產(chan)工(gong)(gong)藝簡便(bian),利用(yong)(yong)方(fang)式(shi)簡潔,但也同樣存在著加工(gong)(gong)方(fang)式(shi)粗放(fang),能(neng)(neng)源(yuan)(yuan)轉換效率(lv)低下等(deng)劣勢(shi)。液態(tai)(tai)(tai)生(sheng)物(wu)(wu)質(zhi)(zhi)(zhi)(zhi)(zhi)能(neng)(neng)源(yuan)(yuan)能(neng)(neng)夠直(zhi)接替代現(xian)在化(hua)石(shi)能(neng)(neng)源(yuan)(yuan)的(de)(de)(de)可(ke)(ke)能(neng)(neng)性******,但是它(ta)的(de)(de)(de)生(sheng)產(chan)工(gong)(gong)藝復雜,專業化(hua)集成(cheng)度較(jiao)高,推廣有(you)(you)一(yi)定的(de)(de)(de)限(xian)制。氣(qi)(qi)態(tai)(tai)(tai)生(sheng)物(wu)(wu)質(zhi)(zhi)(zhi)(zhi)(zhi)能(neng)(neng)源(yuan)(yuan)利用(yong)(yong)***廣泛(fan),主要(yao)(yao)有(you)(you)氣(qi)(qi)化(hua)發(fa)電和(he)農用(yong)(yong)沼氣(qi)(qi)等(deng)方(fang)式(shi)。存在的(de)(de)(de)主要(yao)(yao)利用(yong)(yong)瓶頸(jing)***是氣(qi)(qi)態(tai)(tai)(tai)生(sheng)物(wu)(wu)質(zhi)(zhi)(zhi)(zhi)(zhi)當(dang)中(zhong)含有(you)(you)多種(zhong)雜質(zhi)(zhi)(zhi)(zhi)(zhi),去除雜質(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)方(fang)法缺乏。經(jing)過研(yan)究發(fa)現(xian),雖(sui)然生(sheng)物(wu)(wu)質(zhi)(zhi)(zhi)(zhi)(zhi)能(neng)(neng)源(yuan)(yuan)的(de)(de)(de)發(fa)展(zhan)受(shou)到(dao)一(yi)些限(xian)制,但是隨著其(qi)(qi)利用(yong)(yong)技(ji)術的(de)(de)(de)******和(he)現(xian)代經(jing)濟社會的(de)(de)(de)發(fa)展(zhan),生(sheng)物(wu)(wu)質(zhi)(zhi)(zhi)(zhi)(zhi)能(neng)(neng)源(yuan)(yuan)的(de)(de)(de)開發(fa)和(he)利用(yong)(yong)前(qian)景很廣闊。

  隨(sui)著(zhu)經(jing)濟的(de)迅速發(fa)展(zhan),人(ren)(ren)們對能(neng)(neng)源(yuan)(yuan)的(de)依(yi)賴程(cheng)度越來(lai)越高。但人(ren)(ren)們也越來(lai)越清醒(xing)的(de)認(ren)識到,以煤、石油(you)、天然氣為(wei)主的(de)化(hua)石能(neng)(neng)源(yuan)(yuan)儲量有(you)限,是************能(neng)(neng)源(yuan)(yuan)。近百年來(lai),全球(qiu)各(ge)國(guo)不(bu)同程(cheng)度的(de)對化(hua)石能(neng)(neng)源(yuan)(yuan)進(jin)行了(le)過渡性(xing)開(kai)采,化(hua)石能(neng)(neng)源(yuan)(yuan)的(de)枯竭已是遲(chi)早之(zhi)事,已不(bu)能(neng)(neng)滿(man)足人(ren)(ren)類(lei)飛速發(fa)展(zhan)的(de)需(xu)求(qiu)。而(er)且化(hua)石能(neng)(neng)源(yuan)(yuan)的(de)集(ji)中(zhong)大量消耗,對人(ren)(ren)類(lei)居住的(de)環(huan)境造成嚴(yan)重(zhong)的(de)污染(ran),引發(fa)全球(qiu)氣溫升高,從而(er)影響了(le)生(sheng)態環(huan)境。因此,能(neng)(neng)源(yuan)(yuan)緊(jin)缺問題(ti)、環(huan)境污染(ran)問題(ti)已成為(wei)當今世界必(bi)須面對解(jie)決(jue)的(de)重(zhong)要(yao)問題(ti),開(kai)發(fa)新的(de)可(ke)再生(sheng)綠色能(neng)(neng)源(yuan)(yuan),便(bian)成為(wei)各(ge)國(guo)面臨(lin)的(de)重(zhong)要(yao)課(ke)題(ti)。世界能(neng)(neng)源(yuan)(yuan)發(fa)展(zhan)已進(jin)入新一輪戰略調整期。_1]生(sheng)物質(zhi)能(neng)(neng)源(yuan)(yuan)是目前人(ren)(ren)類(lei)可(ke)利用綠色可(ke)再生(sheng)能(neng)(neng)源(yuan)(yuan)之(zhi)一,世界能(neng)(neng)源(yuan)(yuan)委員會(hui)將生(sheng)物質(zhi)能(neng)(neng)源(yuan)(yuan)列為(wei)可(ke)再生(sheng)能(neng)(neng)源(yuan)(yuan)的(de)******。生(sheng)物質(zhi)能(neng)(neng)源(yuan)(yuan)分布廣(guang)泛,幾乎處處都有(you),各(ge)國(guo)對生(sheng)物質(zhi)能(neng)(neng)源(yuan)(yuan)的(de)開(kai)發(fa)與利用早已如火(huo)如荼的(de)展(zhan)開(kai)了(le),有(you)些技術已經(jing)產業化(hua)。

  1生物質能源概述

  1.1生物質能源的生成機(ji)理.

  生(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)(wu)質能(neng)(neng)源(yuan)(yuan)(yuan)是(shi)(shi)地球上***普遍的(de)(de)(de)(de)一種(zhong)可再生(sheng)(sheng)能(neng)(neng)源(yuan)(yuan)(yuan),它是(shi)(shi)通過植(zhi)物(wu)(wu)(wu)(wu)(wu)(wu)光(guang)合作用(yong),將(jiang)太(tai)陽能(neng)(neng)以(yi)化(hua)(hua)(hua)學能(neng)(neng)的(de)(de)(de)(de)形式貯存在(zai)生(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)(wu)體內(nei)的(de)(de)(de)(de)一種(zhong)能(neng)(neng)量形式,被稱為(wei)綠(lv)色能(neng)(neng)源(yuan)(yuan)(yuan)。狹(xia)義的(de)(de)(de)(de)生(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)(wu)質一般(ban)是(shi)(shi)指植(zhi)物(wu)(wu)(wu)(wu)(wu)(wu)體在(zai)生(sheng)(sheng)長過程中,將(jiang)太(tai)陽能(neng)(neng)轉化(hua)(hua)(hua)為(wei)化(hua)(hua)(hua)學能(neng)(neng),并存儲在(zai)植(zhi)物(wu)(wu)(wu)(wu)(wu)(wu)體各(ge)個器官(guan)內(nei)的(de)(de)(de)(de)能(neng)(neng)源(yuan)(yuan)(yuan)物(wu)(wu)(wu)(wu)(wu)(wu)質形式。廣(guang)義的(de)(de)(de)(de)生(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)(wu)質還包括(kuo)以(yi)植(zhi)物(wu)(wu)(wu)(wu)(wu)(wu)體或某器官(guan)為(wei)食(shi)物(wu)(wu)(wu)(wu)(wu)(wu)而轉化(hua)(hua)(hua)至(zhi)動(dong)物(wu)(wu)(wu)(wu)(wu)(wu)、微(wei)生(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)(wu)等(deng)生(sheng)(sheng)命體獲得的(de)(de)(de)(de)能(neng)(neng)源(yuan)(yuan)(yuan)物(wu)(wu)(wu)(wu)(wu)(wu)質形式,包括(kuo)利(li)用(yong)現代(dai)技術加工生(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)(wu)體或器官(guan)后剩余的(de)(de)(de)(de)廢棄物(wu)(wu)(wu)(wu)(wu)(wu)等(deng)。因此,生(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)(wu)質能(neng)(neng)源(yuan)(yuan)(yuan)從根(gen)本上說,來源(yuan)(yuan)(yuan)于(yu)太(tai)陽能(neng)(neng),使(shi)所存儲的(de)(de)(de)(de)能(neng)(neng)量轉移至(zhi)生(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)(wu)質依賴于(yu)光(guang)合作用(yong),作用(yong)如下:

           

因此生物(wu)質主(zhu)要為含(han)碳、氫有(you)(you)機物(wu),具(ju)有(you)(you)含(han)硫、氮少,CO2排(pai)放(fang)幾乎為零的(de)優點(dian),另外(wai)一般(ban)還含(han)有(you)(you)少量的(de)鉀、鈉(na)等金屬元素。

  1.2生物(wu)質能源(yuan)開(kai)發研究的(de)國內外(wai)現(xian)狀

  人(ren)類(lei)對(dui)生(sheng)(sheng)(sheng)物(wu)(wu)質(zhi)能(neng)源(yuan)(yuan)的利用(yong)不是剛(gang)剛(gang)開(kai)(kai)始(shi),100多年前(qian),人(ren)們對(dui)化石(shi)能(neng)源(yuan)(yuan)的依賴程度還不高,能(neng)源(yuan)(yuan)便主要來(lai)自于(yu)生(sheng)(sheng)(sheng)物(wu)(wu)質(zhi)。19世紀(ji)末20世紀(ji)初(chu),對(dui)能(neng)源(yuan)(yuan)的需求急劇(ju)增加,隨著煤(mei)(mei)炭開(kai)(kai)采(cai)業的發(fa)展,煤(mei)(mei)炭迅(xun)速替(ti)代生(sheng)(sheng)(sheng)物(wu)(wu)質(zhi),成為(wei)人(ren)類(lei)主要能(neng)源(yuan)(yuan)來(lai)源(yuan)(yuan),生(sheng)(sheng)(sheng)物(wu)(wu)質(zhi)能(neng)源(yuan)(yuan)在(zai)人(ren)類(lei)消耗的能(neng)源(yuan)(yuan)中的比(bi)例逐步縮(suo)小(xiao)。

  1.2.1國外研究現狀(zhuang)

  目前,許多國(guo)家(jia)對(dui)生(sheng)(sheng)物質能源開發利用已(yi)進(jin)行(xing)了(le)大量研究和實踐。生(sheng)(sheng)物質固化成型(xing)技術在(zai)歐(ou)美(mei)、日韓等(deng)國(guo)家(jia)已(yi)比較(jiao)成熟,生(sheng)(sheng)物質固化燃料在(zai)日、美(mei)等(deng)國(guo)家(jia)已(yi)經(jing)商品化,工業生(sheng)(sheng)產、家(jia)庭(ting)采暖(nuan)等(deng)均有使用。

  日本(ben)和歐美(mei)等(deng)國(guo)家(jia)的(de)小型生(sheng)物(wu)(wu)質燃(ran)(ran)料設備(bei)已經(jing)產業化,在供暖、發(fa)電(dian)領域(yu)得到普遍推廣(guang)。國(guo)外已有較******的(de)流(liu)化床反應(ying)器、循環流(liu)化床反應(ying)器、真空熱裂解反應(ying)器等(deng)生(sheng)物(wu)(wu)質制(zhi)備(bei)設備(bei)。美(mei)國(guo)在生(sheng)物(wu)(wu)質氣化發(fa)電(dian)方面處(chu)于(yu)************地位,發(fa)電(dian)量已超過其利用風能、太陽能、地熱能發(fa)電(dian)的(de)總和。1980年,美(mei)國(guo)提出以生(sheng)物(wu)(wu)柴油代替化石柴油戰略(lve),2005年成為(wei)世(shi)界******燃(ran)(ran)料乙醇生(sheng)產大國(guo)。巴(ba)西長期以來將推廣(guang)乙醇燃(ran)(ran)料作為(wei)國(guo)家(jia)重要(yao)能源政(zheng)策之一。美(mei)國(guo)和巴(ba)西是世(shi)界上(shang)******的(de)燃(ran)(ran)料乙醇生(sheng)產國(guo)。

  1.2.2國內研究(jiu)現狀

  我國生(sheng)(sheng)(sheng)(sheng)物(wu)(wu)質(zhi)(zhi)直燃(ran)發(fa)電和氣(qi)化發(fa)電已逐步實現了產(chan)(chan)(chan)業(ye)(ye)化,燃(ran)料(liao)乙(yi)(yi)醇技(ji)術正(zheng)在起步應用(yong),已建成燃(ran)料(liao)乙(yi)(yi)醇示范廠;生(sheng)(sheng)(sheng)(sheng)物(wu)(wu)柴油技(ji)術已進(jin)入產(chan)(chan)(chan)業(ye)(ye)示范階段(duan);大中型制氣(qi)工程工藝技(ji)術已日趨成熟(shu)。生(sheng)(sheng)(sheng)(sheng)物(wu)(wu)質(zhi)(zhi)的直接(jie)、間接(jie)液(ye)化生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)(chan)液(ye)體燃(ran)料(liao)技(ji)術準備(bei)進(jin)行工業(ye)(ye)示范。據(ju)估算,地(di)球上(shang)每年(nian)光合(he)作用(yong)產(chan)(chan)(chan)生(sheng)(sheng)(sheng)(sheng)的生(sheng)(sheng)(sheng)(sheng)物(wu)(wu)質(zhi)(zhi)能量是世界主要燃(ran)料(liao)消(xiao)耗(hao)的10倍,而其利用(yong)量還不到1%。我國是一(yi)個農業(ye)(ye)大國,具有豐富(fu)的農林生(sheng)(sheng)(sheng)(sheng)物(wu)(wu)質(zhi)(zhi)資(zi)源,因(yin)此(ci),開(kai)發(fa)生(sheng)(sheng)(sheng)(sheng)物(wu)(wu)質(zhi)(zhi)能源具有深遠(yuan)的意義,應用(yong)前景廣闊。

  1.3生物(wu)質能源(yuan)的(de)幾個主要(yao)來(lai)源(yuan)途徑

  目前(qian),用于生(sheng)物(wu)(wu)質能源(yuan)(yuan)(yuan)開發的(de)主要是(shi)非(fei)糧生(sheng)物(wu)(wu)質,如作物(wu)(wu)秸稈、林場枝葉(xie)廢棄物(wu)(wu),畜(chu)牧糞便、動(dong)物(wu)(wu)產(chan)品下腳料(liao),生(sheng)活垃圾,城市有機廢水和(he)污(wu)(wu)泥等。長(chang)期以(yi)來,人(ren)們對生(sheng)物(wu)(wu)質資(zi)源(yuan)(yuan)(yuan)中的(de)固體廢棄物(wu)(wu)常用的(de)處理方法(fa)為堆(dui)(dui)肥、填埋(mai)(mai)、焚燒等。堆(dui)(dui)肥法(fa)和(he)填埋(mai)(mai)法(fa)周期長(chang),且容(rong)(rong)易對土壤(rang)和(he)水資(zi)源(yuan)(yuan)(yuan)造(zao)成二(er)次污(wu)(wu)染;焚燒法(fa)可以(yi)利用其熱值,但投(tou)資(zi)巨大(da),成本高,容(rong)(rong)易造(zao)成大(da)氣污(wu)(wu)染。因此,這些廢棄物(wu)(wu)的(de)有效利用不僅可以(yi)增(zeng)值形成新(xin)能源(yuan)(yuan)(yuan),還可以(yi)解決(jue)環境污(wu)(wu)染問題。

  1.3.1作物秸稈(gan)

  農(nong)作物秸(jie)稈(gan)(gan)是非常豐(feng)富的(de)可再生(sheng)生(sheng)物質資源,包括小(xiao)麥(mai)、玉(yu)米、高粱、棉花、大(da)豆(dou)、水稻等(deng)農(nong)作物收獲后(hou)的(de)廢(fei)(fei)棄部分(fen)(fen),還包括農(nong)產品加(jia)工(gong)后(hou)的(de)廢(fei)(fei)棄部分(fen)(fen),如甘蔗渣。我(wo)國每年產秸(jie)稈(gan)(gan)量(liang)相當于3.5億t標準煤(mei),去(qu)除工(gong)業使(shi)(shi)用(yong)、粉(fen)碎(sui)還田、飼料、培養食用(yong)菌、農(nong)戶(hu)炊事及取(qu)(qu)暖焚燒等(deng)使(shi)(shi)用(yong)外,至少剩余30%,常直(zhi)接被(bei)焚燒,不(bu)僅造成大(da)量(liang)能源資源浪(lang)費,而且導致環(huan)境污(wu)染。因此,將廢(fei)(fei)棄的(de)秸(jie)稈(gan)(gan)充分(fen)(fen)利(li)用(yong),既(ji)可以(yi)(yi)提(ti)取(qu)(qu)所含能量(liang),又可以(yi)(yi)改善(shan)農(nong)村環(huan)境,減少空氣污(wu)染,利(li)用(yong)后(hou)的(de)秸(jie)稈(gan)(gan)灰還可以(yi)(yi)直(zhi)接返田增(zeng)加(jia)土壤無機(ji)肥料。

  1.3.2畜(chu)禽糞(fen)便

  我(wo)國(guo)畜(chu)(chu)禽業比較(jiao)發達(da),養(yang)殖(zhi)的(de)畜(chu)(chu)禽主(zhu)要(yao)為牛、豬、雞。家(jia)庭圈(quan)養(yang)、散(san)養(yang)的(de)畜(chu)(chu)禽糞(fen)(fen)便(bian)(bian)(bian)搜(sou)集不便(bian)(bian)(bian),且(qie)(qie)很多養(yang)殖(zhi)戶直接(jie)將糞(fen)(fen)便(bian)(bian)(bian)漚肥用(yong)于(yu)肥田;但規(gui)模化畜(chu)(chu)禽養(yang)殖(zhi)場(chang),每年(nian)產(chan)生大(da)量(liang)養(yang)殖(zhi)糞(fen)(fen)便(bian)(bian)(bian)和(he)污水,有(you)(you)機物(wu)的(de)閑置對環(huan)境和(he)地下水造成了極(ji)大(da)污染。我(wo)國(guo)每年(nian)有(you)(you)25億(yi)(yi)(yi)t畜(chu)(chu)牧(mu)(mu)(mu)糞(fen)(fen)便(bian)(bian)(bian)和(he)大(da)量(liang)有(you)(you)機廢棄物(wu)閑置或浪(lang)費(fei),其(qi)熱值相當于(yu)3億(yi)(yi)(yi)t標準煤,理論上可生產(chan)約750億(yi)(yi)(yi)m3沼氣。據統(tong)計(ji)(ji),2007年(nian)我(wo)國(guo)畜(chu)(chu)牧(mu)(mu)(mu)糞(fen)(fen)便(bian)(bian)(bian)實物(wu)量(liang)為12.47億(yi)(yi)(yi)t,其(qi)中可開發部(bu)分(fen)總量(liang)為8.84億(yi)(yi)(yi)t,預計(ji)(ji)2015年(nian)規(gui)模化糞(fen)(fen)便(bian)(bian)(bian)實物(wu)量(liang)將達(da)到32.5億(yi)(yi)(yi)t。畜(chu)(chu)牧(mu)(mu)(mu)糞(fen)(fen)便(bian)(bian)(bian)資源巨大(da),而且(qie)(qie)逐年(nian)增(zeng)加,是沼氣產(chan)業重要(yao)的(de)原料來源。

  1.3.3園林、林業廢棄物(wu)

  為改善城(cheng)市(shi)(shi)生態環(huan)境,我國(guo)非常(chang)重(zhong)視城(cheng)市(shi)(shi)綠化(hua)質量。據資料顯示,2011年,我國(guo)城(cheng)市(shi)(shi)建成(cheng)區綠化(hua)覆(fu)蓋面積已達到161.2萬(wan)hm2,綠化(hua)覆(fu)蓋率(lv)為38.62%。隨(sui)著(zhu)城(cheng)市(shi)(shi)園(yuan)林(lin)綠化(hua)業(ye)的繁榮,每年都有(you)大量殘枝落葉和草坪修剪(jian)廢(fei)(fei)棄物(wu)。我國(guo)林(lin)地、林(lin)廠木材(cai)加工殘余(yu)料及樹林(lin)廢(fei)(fei)棄物(wu)每年約有(you)2億萬(wan)t未被利用,不進行妥善處理(li),極易構成(cheng)火災隱患。林(lin)業(ye)廢(fei)(fei)棄物(wu)、木材(cai)加工剩(sheng)(sheng)余(yu)物(wu)、園(yuan)林(lin)綠化(hua)剩(sheng)(sheng)余(yu)物(wu)資源集中,收集方(fang)便(bian),是可有(you)效開發的重(zhong)要(yao)生物(wu)質資源。

  1.3.4其(qi)他生物質資源

  工業(ye)生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)有機廢(fei)棄(qi)物、污水(shui)及城市生(sheng)(sheng)(sheng)(sheng)活餐廚垃圾(ji)等蘊藏著大(da)量(liang)的生(sheng)(sheng)(sheng)(sheng)物質能源。城市生(sheng)(sheng)(sheng)(sheng)活垃圾(ji)中約有30%為有機垃圾(ji),我國生(sheng)(sheng)(sheng)(sheng)活垃圾(ji)年(nian)(nian)產(chan)(chan)量(liang)達2億(yi)t,且每年(nian)(nian)以10%速度增(zeng)長,對環境產(chan)(chan)生(sheng)(sheng)(sheng)(sheng)了(le)嚴重(zhong)危(wei)害(hai)。食品(pin)加(jia)工、畜禽屠殺(sha)、水(shui)產(chan)(chan)養殖和漁業(ye)、制糖、釀酒、造紙等行業(ye)每年(nian)(nian)產(chan)(chan)生(sheng)(sheng)(sheng)(sheng)的有機廢(fei)棄(qi)物非常(chang)可觀。據(ju)不******統計,僅農產(chan)(chan)品(pin)加(jia)工行業(ye)每年(nian)(nian)產(chan)(chan)生(sheng)(sheng)(sheng)(sheng)的廢(fei)棄(qi)物可產(chan)(chan)500億(yi)m3沼氣(qi)。城市垃圾(ji)、工業(ye)生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)有機廢(fei)棄(qi)物相對比較集中,非常(chang)利于搜(sou)集。

  另外,我國(guo)糧(liang)食主產(chan)區的(de)(de)陳化(hua)糧(liang)也是非常(chang)可觀的(de)(de)生(sheng)物質資(zi)源,除工業生(sheng)產(chan)外,必(bi)要時也可以(yi)作為能(neng)源資(zi)源使用,但要注(zhu)意(yi)防止“與人爭糧(liang)”。其他的(de)(de)還有(you)甘蔗、木薯、菊芋、高粱等。在貧(pin)瘠土地上可茂(mao)盛生(sheng)長的(de)(de)各種植物,均(jun)為豐(feng)富可開發(fa)的(de)(de)生(sheng)物質資(zi)源。吳志莊等還提出,可以(yi)利用我國(guo)資(zi)源豐(feng)富、分布廣(guang)泛的(de)(de)竹(zhu)類資(zi)源,以(yi)竹(zhu)類加工剩余物(約(yue)占60%)為原料可以(yi)生(sheng)產(chan)生(sheng)物乙(yi)醇(chun),還可以(yi)進行發(fa)電。

  2生(sheng)物(wu)質能源的主要應用(yong)技術

  生(sheng)(sheng)物(wu)質能(neng)源的利(li)用主(zhu)(zhu)要通過物(wu)理法、化(hua)學法和(he)生(sheng)(sheng)物(wu)法等技(ji)術手段,將生(sheng)(sheng)物(wu)質材料轉化(hua)為工農業生(sheng)(sheng)產中可直接使用的能(neng)源物(wu)質。從轉化(hua)產品(pin)的狀態(tai)來(lai)看,可以有(you)固(gu)態(tai)能(neng)源、液態(tai)能(neng)源、氣態(tai)能(neng)源。固(gu)態(tai)能(neng)源主(zhu)(zhu)要為生(sheng)(sheng)物(wu)質顆(ke)粒(li);液態(tai)能(neng)源有(you)生(sheng)(sheng)物(wu)乙(yi)醇(chun)、生(sheng)(sheng)物(wu)柴油、裂(lie)解油等;氣態(tai)能(neng)源有(you)沼氣、氫氣、生(sheng)(sheng)物(wu)質燃氣等。

  2.1固態生物(wu)質能(neng)源的應用技術

  2.1.1固態生物質能(neng)源的成型機理(li)

  生(sheng)(sheng)(sheng)物(wu)(wu)質(zhi)原(yuan)材(cai)料(liao)(liao)(liao)(liao)一(yi)(yi)般質(zhi)地松(song)散,含水(shui)量大,空間占用(yong)(yong)量大,不易倉儲(chu)和(he)運(yun)輸,燃燒效(xiao)率低,因(yin)此,大部(bu)分生(sheng)(sheng)(sheng)物(wu)(wu)質(zhi)原(yuan)材(cai)料(liao)(liao)(liao)(liao)使(shi)用(yong)(yong)前(qian)需(xu)要處理(li)。一(yi)(yi)般將生(sheng)(sheng)(sheng)物(wu)(wu)質(zhi)原(yuan)材(cai)料(liao)(liao)(liao)(liao)進行干燥(zao)、粉(fen)碎或(huo)切斷(duan),或(huo)首先經過炭(tan)化(hua)工(gong)(gong)藝,再壓縮,靠原(yuan)料(liao)(liao)(liao)(liao)內部(bu)的(de)粘結(jie)力互(hu)相嚙合在一(yi)(yi)起而成(cheng)型(xing)(xing),從而使(shi)松(song)散、多水(shui)分的(de)生(sheng)(sheng)(sheng)物(wu)(wu)質(zhi)原(yuan)材(cai)料(liao)(liao)(liao)(liao)變為(wei)松(song)弛密(mi)度和(he)強度均較高(gao)的(de)固(gu)體(ti)成(cheng)型(xing)(xing)燃料(liao)(liao)(liao)(liao)或(huo)顆粒(li)狀材(cai)料(liao)(liao)(liao)(liao),便于運(yun)輸,燃燒效(xiao)率高(gao)。通常,生(sheng)(sheng)(sheng)物(wu)(wu)質(zhi)材(cai)料(liao)(liao)(liao)(liao)中纖維(wei)素和(he)木質(zhi)素的(de)含量影(ying)響常溫下顆粒(li)成(cheng)型(xing)(xing)的(de)難易,成(cheng)型(xing)(xing)燃料(liao)(liao)(liao)(liao)的(de)松(song)弛密(mi)度和(he)耐久性(xing)可反(fan)映其性(xing)能。用(yong)(yong)于成(cheng)型(xing)(xing)的(de)生(sheng)(sheng)(sheng)物(wu)(wu)質(zhi)原(yuan)材(cai)料(liao)(liao)(liao)(liao)多為(wei)秸稈(gan)、林場廢棄物(wu)(wu)等(deng),也有將畜禽糞便加(jia)工(gong)(gong)為(wei)生(sheng)(sheng)(sheng)物(wu)(wu)質(zhi)顆粒(li)物(wu)(wu)的(de)。齊菁等(deng)研究了(le)稻殼生(sheng)(sheng)(sheng)物(wu)(wu)質(zhi)顆粒(li)的(de)成(cheng)型(xing)(xing)機理(li),用(yong)(yong)電子顯微鏡觀察了(le)顆粒(li)內部(bu)結(jie)構,成(cheng)型(xing)(xing)效(xiao)果(guo)好,認為(wei)可以(yi)作為(wei)生(sheng)(sheng)(sheng)物(wu)(wu)質(zhi)顆粒(li)。魏偉(wei)研究了(le)以(yi)油(you)茶果(guo)殼為(wei)原(yuan)料(liao)(liao)(liao)(liao)的(de)固(gu)體(ti)燃料(liao)(liao)(liao)(liao)成(cheng)型(xing)(xing)規(gui)律,并設計(ji)了(le)一(yi)(yi)條理(li)論上年產4萬t的(de)顆粒(li)燃料(liao)(liao)(liao)(liao)加(jia)工(gong)(gong)生(sheng)(sheng)(sheng)產線。錢新鋒提出,將園林修(xiu)剪物(wu)(wu)等(deng)炭(tan)化(hua)處理(li)制(zhi)備生(sheng)(sheng)(sheng)物(wu)(wu)碳,還可用(yong)(yong)于改善土壤(rang)環(huan)境(jing)。

  2.1.2固態生物質(zhi)能源的(de)生產設備

  用于生(sheng)物質原材料(liao)成(cheng)(cheng)型(xing)的設(she)(she)備有(you)(you)螺旋擠壓式、活塞沖壓式和模(mo)壓式3類。國(guo)(guo)內大(da)部分采(cai)用模(mo)壓式生(sheng)產工藝,主要(yao)有(you)(you)冷壓成(cheng)(cheng)型(xing)、熱壓成(cheng)(cheng)型(xing)和炭化(hua)成(cheng)(cheng)型(xing)。模(mo)壓成(cheng)(cheng)型(xing)的優(you)點是生(sheng)產效率高,原料(liao)適(shi)應性強。霍麗麗_2等的研(yan)究為生(sheng)物質顆粒燃(ran)料(liao)成(cheng)(cheng)型(xing)機具的設(she)(she)計(ji)提供了理論依據,目前(qian),我國(guo)(guo)自(zi)主研(yan)發的成(cheng)(cheng)型(xing)設(she)(she)備已(yi)達國(guo)(guo)際(ji)******水平(ping),2013年,江蘇新能源技術(shu)有(you)(you)限公司將3.3×107t固(gu)體成(cheng)(cheng)型(xing)燃(ran)料(liao)出(chu)口至日本,表明我國(guo)(guo)固(gu)體成(cheng)(cheng)型(xing)燃(ran)料(liao)已(yi)實現規模(mo)化(hua)生(sheng)產,實現商品化(hua)。

  2.1.3固態生(sheng)物質能源(yuan)的缺(que)點(dian)

  缺點(dian)主要(yao)有:常用成型設(she)備生產(chan)效率(lv)低(di)下,原料適應(ying)性低(di),能耗高(gao),設(she)備關鍵(jian)部(bu)件(jian)(如模具(ju))磨損快(kuai),因而發展速度相對緩(huan)慢。另外(wai),產(chan)品(pin)標準(zhun)化(hua)程度低(di),應(ying)盡(jin)快(kuai)完善相應(ying)生產(chan)標準(zhun),使產(chan)品(pin)標準(zhun)化(hua),同時發展相應(ying)的配套(tao)設(she)備,如提(ti)供部(bu)件(jian)統(tong)一的燃燒爐,以供標準(zhun)化(hua)的成型生物質燃料得以高(gao)效率(lv)地燃燒。

  2.2液態生物質能源的應用技術(shu)

  根據聯合國(guo)能(neng)(neng)(neng)(neng)源(yuan)(yuan)組(zu)織的(de)(de)評估(gu),地球的(de)(de)石(shi)油儲(chu)量正在急劇減少,尋找新型液體(ti)燃(ran)料(liao)(liao)已日益受到世(shi)界各國(guo)的(de)(de)重視。可(ke)(ke)(ke)再生(sheng)(sheng)(sheng)(sheng)能(neng)(neng)(neng)(neng)源(yuan)(yuan)有太(tai)陽能(neng)(neng)(neng)(neng)、風能(neng)(neng)(neng)(neng)、水能(neng)(neng)(neng)(neng)、地熱能(neng)(neng)(neng)(neng)和生(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)質(zhi)(zhi)能(neng)(neng)(neng)(neng),生(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)質(zhi)(zhi)是可(ke)(ke)(ke)再生(sheng)(sheng)(sheng)(sheng)能(neng)(neng)(neng)(neng)源(yuan)(yuan)中******可(ke)(ke)(ke)以制得(de)液態能(neng)(neng)(neng)(neng)源(yuan)(yuan)的(de)(de)材料(liao)(liao),因此(ci)生(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)質(zhi)(zhi)液態能(neng)(neng)(neng)(neng)源(yuan)(yuan)的(de)(de)發展(zhan)應是能(neng)(neng)(neng)(neng)源(yuan)(yuan)戰略發展(zhan)的(de)(de)******。利用(yong)(yong)生(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)技術,在酶等微生(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)的(de)(de)作用(yong)(yong)下(xia),可(ke)(ke)(ke)將(jiang)某些生(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)質(zhi)(zhi)轉(zhuan)化(hua)為(wei)生(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)質(zhi)(zhi)乙醇(chun)及其他化(hua)工原料(liao)(liao),也(ye)可(ke)(ke)(ke)以利用(yong)(yong)化(hua)學(xue)方法制得(de)生(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)柴油等燃(ran)料(liao)(liao),可(ke)(ke)(ke)廣(guang)泛(fan)應用(yong)(yong)于工農業生(sheng)(sheng)(sheng)(sheng)產。

  2.2.1生物乙(yi)醇的(de)形成機(ji)理

  經歐美等國家(jia)的長期實踐證明,生(sheng)(sheng)物乙(yi)(yi)(yi)(yi)醇(chun)是替代(dai)石油(you)的主要(yao)選(xuan)擇(ze)。植物通過光合(he)(he)作用(yong)(yong),將太陽能(neng)(neng)(neng)儲(chu)存(cun)于(yu)植物體內,形成生(sheng)(sheng)物質能(neng)(neng)(neng)。利用(yong)(yong)生(sheng)(sheng)物技術(shu),將生(sheng)(sheng)物質能(neng)(neng)(neng)轉(zhuan)化為(wei)生(sheng)(sheng)物乙(yi)(yi)(yi)(yi)醇(chun),作為(wei)能(neng)(neng)(neng)源使用(yong)(yong)。其循環如圖(tu)1所示。理論上,光合(he)(he)作用(yong)(yong)合(he)(he)成1分子(zi)葡(pu)萄糖(tang)需要(yao)6分子(zi)CO2,酒(jiu)精發酵和燃(ran)(ran)燒共釋(shi)放6分子(zi)CO2,所以,酒(jiu)精燃(ran)(ran)燒并不(bu)增加大氣(qi)中(zhong)CO2濃度。工(gong)業(ye)生(sheng)(sheng)產(chan)中(zhong),首先將糖(tang)類降解為(wei)酸,并在各種酶的作用(yong)(yong)下(xia)轉(zhuan)變(bian)為(wei)乙(yi)(yi)(yi)(yi)醛(quan)及(ji)CO2,進而再轉(zhuan)變(bian)為(wei)乙(yi)(yi)(yi)(yi)醇(chun)。作為(wei)燃(ran)(ran)料用(yong)(yong)乙(yi)(yi)(yi)(yi)醇(chun),乙(yi)(yi)(yi)(yi)醇(chun)含量要(yao)求(qiu)達到99.5%,所以生(sheng)(sheng)物乙(yi)(yi)(yi)(yi)醇(chun)的生(sheng)(sheng)產(chan)過程中(zhong)對脫水(shui)處理要(yao)求(qiu)嚴格(ge)。

                       

 

 

2.2.2生(sheng)物(wu)乙醇的生(sheng)產材料(liao)

  生(sheng)(sheng)產生(sheng)(sheng)物(wu)(wu)乙(yi)醇(chun)的(de)材料主(zhu)要有(you)糖(tang)類、淀粉類和纖維木質素(su)類。在(zai)原料方面,美國主(zhu)要采用玉(yu)米(mi)(mi)生(sheng)(sheng)產生(sheng)(sheng)物(wu)(wu)乙(yi)醇(chun);巴西是(shi)全球******大生(sheng)(sheng)物(wu)(wu)乙(yi)醇(chun)生(sheng)(sheng)產國,幾乎所(suo)有(you)生(sheng)(sheng)物(wu)(wu)乙(yi)醇(chun)都是(shi)用甘蔗生(sheng)(sheng)產;歐盟以小麥(mai)和甜菜(cai)為主(zhu),中國則以玉(yu)米(mi)(mi)、小麥(mai)、木薯為主(zhu)。

  根(gen)據《國家能源科技(ji)“十(shi)二五”規劃》,2010年,我國燃料(liao)乙(yi)(yi)(yi)(yi)醇(chun)(chun)產量為(wei)1.69×106t,2015年將再增加(jia)3.0×106t。我國人多地少,基本國情決定了利用玉(yu)米進行醇(chun)(chun)化加(jia)工生(sheng)成生(sheng)物(wu)(wu)乙(yi)(yi)(yi)(yi)醇(chun)(chun)(又稱(cheng)(cheng)為(wei)******代生(sheng)物(wu)(wu)乙(yi)(yi)(yi)(yi)醇(chun)(chun))必將陷入“與人爭糧(liang)、與糧(liang)爭地”的(de)(de)困境(jing)。******代生(sheng)物(wu)(wu)乙(yi)(yi)(yi)(yi)醇(chun)(chun)是將秸稈、木(mu)(mu)材(cai)中的(de)(de)纖維(wei)素降解進行轉化,目前有(you)濃酸水解、稀酸水解、酶催化水解等方法。這些方法或(huo)(huo)條件要(yao)求(qiu)苛(ke)刻,或(huo)(huo)效(xiao)率低、速(su)度慢,或(huo)(huo)高(gao)能耗、不綠(lv)色,所以******代生(sheng)物(wu)(wu)乙(yi)(yi)(yi)(yi)醇(chun)(chun)目前還停(ting)留在技(ji)術研(yan)究中試(shi)階段(duan)。可替代******代生(sheng)物(wu)(wu)乙(yi)(yi)(yi)(yi)醇(chun)(chun)原(yuan)材(cai)料(liao)——玉(yu)米的(de)(de)甜高(gao)粱、木(mu)(mu)薯等非糧(liang)能源作物(wu)(wu),可以較好的(de)(de)生(sheng)成生(sheng)物(wu)(wu)乙(yi)(yi)(yi)(yi)醇(chun)(chun),又稱(cheng)(cheng)為(wei)1.5代生(sheng)物(wu)(wu)乙(yi)(yi)(yi)(yi)醇(chun)(chun)。

  甜(tian)高粱(liang)(liang)和木(mu)薯等(deng)可在鹽堿(jian)地(di)(di)、沙地(di)(di)等(deng)低質(zhi)土(tu)地(di)(di)生(sheng)(sheng)長,產(chan)(chan)量較高,是(shi)當(dang)前(qian)發(fa)(fa)展(zhan)燃(ran)料(liao)乙醇的(de)(de)較好原料(liao)。目前(qian),我國(guo)生(sheng)(sheng)物(wu)(wu)乙醇生(sheng)(sheng)產(chan)(chan)原料(liao)主要依賴陳化糧,成本(ben)過高,需要依賴國(guo)家補(bu)貼。而我國(guo)沿海等(deng)地(di)(di)區尚有大量低質(zhi)土(tu)地(di)(di)未開(kai)發(fa)(fa)利(li)用(yong),可以發(fa)(fa)展(zhan)種植甜(tian)高粱(liang)(liang)等(deng)能源作物(wu)(wu)。清華大學研(yan)發(fa)(fa)的(de)(de)甜(tian)高粱(liang)(liang)連續固體發(fa)(fa)酵(jiao)生(sheng)(sheng)產(chan)(chan)乙醇技術(shu)具有國(guo)際******水平,將(jiang)(jiang)推動中國(guo)生(sheng)(sheng)物(wu)(wu)乙醇能源的(de)(de)發(fa)(fa)展(zhan)。因此,大力開(kai)發(fa)(fa)鹽堿(jian)地(di)(di)、沙地(di)(di)等(deng)荒地(di)(di),研(yan)究種植甜(tian)高粱(liang)(liang)等(deng)非糧能源作物(wu)(wu),將(jiang)(jiang)可以有效降低1.5代(dai)生(sheng)(sheng)物(wu)(wu)乙醇生(sheng)(sheng)產(chan)(chan)成本(ben),促(cu)進產(chan)(chan)業早日商業化發(fa)(fa)展(zhan)。

  生物乙(yi)醇的(de)迅(xun)猛發展,使得作為(wei)(wei)原料的(de)農產(chan)品的(de)******與能源******緊密相連。能源作物******優勢甚至會使森林草地逐漸(jian)變為(wei)(wei)能源作物的(de)種植(zhi)地,從而(er)對環境產(chan)生不利影響。倪(ni)紅艷等研究發現,當乙(yi)醇玉米(mi)需求(qiu)占(zhan)產(chan)量比重達到15%時(shi),玉米(mi)******會大幅上(shang)漲,同時(shi)飼料、工業及(ji)食用玉米(mi)需求(qiu)下降幅度也比較大,此(ci)時(shi)會對我(wo)國的(de)糧食安全(quan)形(xing)成較大壓力。

  若乙醇(chun)(chun)(chun)玉米占用(yong)耕地過(guo)多,必將(jiang)影響(xiang)糧(liang)(liang)食安全(quan),因此必須(xu)尋找其(qi)他(ta)生(sheng)物質原(yuan)(yuan)料(liao)(liao)。目前,我國已經(jing)形成(cheng)了“不與(yu)人爭糧(liang)(liang),不與(yu)糧(liang)(liang)爭地”的(de)(de)(de)(de)基(ji)本共識,發(fa)展生(sheng)物乙醇(chun)(chun)(chun)開始(shi)向(xiang)“非糧(liang)(liang)”原(yuan)(yuan)料(liao)(liao)轉移,充分(fen)利(li)用(yong)農副產品或其(qi)加工剩余(yu)物。牟曉紅(hong)等以(yi)花生(sheng)殼為(wei)原(yuan)(yuan)料(liao)(liao),用(yong)混合菌(jun)種(zhong)發(fa)酵(jiao)法(fa)提取(qu)生(sheng)物乙醇(chun)(chun)(chun),發(fa)酵(jiao)得到的(de)(de)(de)(de)乙醇(chun)(chun)(chun)轉化率為(wei)46.06%,乙醇(chun)(chun)(chun)得率為(wei)14.65%。于洪(hong)久等以(yi)不同的(de)(de)(de)(de)處(chu)理(li)方(fang)式(shi)和(he)反應條件提高菊芋生(sheng)產生(sheng)物乙醇(chun)(chun)(chun)的(de)(de)(de)(de)生(sheng)產率。與(yu)此同時,以(yi)海洋藻類為(wei)原(yuan)(yuan)料(liao)(liao)的(de)(de)(de)(de)第三代生(sheng)物乙醇(chun)(chun)(chun)技術的(de)(de)(de)(de)研發(fa)也正(zheng)在(zai)成(cheng)為(wei)能源領域關注(zhu)的(de)(de)(de)(de)熱點。張志(zhi)奇等采用(yong)發(fa)酵(jiao)法(fa),以(yi)海帶(dai)為(wei)原(yuan)(yuan)料(liao)(liao),在(zai)實驗室中(zhong)提取(qu)了生(sheng)物乙醇(chun)(chun)(chun)。錢龍等認為(wei),篩選厭氧海藻酸降(jiang)解(jie)菌(jun),并(bing)進(jin)行基(ji)因工程(cheng)改造(zao),強化乙醇(chun)(chun)(chun)生(sheng)成(cheng)途(tu)徑,是一種(zhong)頗有前景的(de)(de)(de)(de)方(fang)案。另外,劉(liu)政坤通過(guo)對甘蔗(zhe)渣的(de)(de)(de)(de)酶解(jie)液進(jin)行發(fa)酵(jiao)顯示,滸(hu)(hu)苔(tai)酶解(jie)液在(zai)還原(yuan)(yuan)糖(tang)利(li)用(yong)率、葡萄糖(tang)利(li)用(yong)率、乙醇(chun)(chun)(chun)產率方(fang)面都比甘蔗(zhe)渣高。以(yi)滸(hu)(hu)苔(tai)為(wei)原(yuan)(yuan)料(liao)(liao)發(fa)酵(jiao)生(sheng)產乙醇(chun)(chun)(chun)展現了良(liang)好(hao)應用(yong)前景。

  2.2.3生物乙醇(chun)的(de)應用

  生物乙醇(chun)除(chu)了做燃料乙醇(chun)外,還可以用于(yu)工(gong)(gong)業生產。乙烯(xi)是(shi)一(yi)種(zhong)重(zhong)要(yao)的(de)(de)(de)化(hua)工(gong)(gong)產品(pin),需求量很大(da)。長期以來(lai),乙烯(xi)的(de)(de)(de)生產嚴重(zhong)依賴于(yu)化(hua)石能(neng)源。化(hua)石能(neng)源危機迫使(shi)乙烯(xi)的(de)(de)(de)生產選(xuan)擇新的(de)(de)(de)生產原料,而(er)利用生物乙醇(chun)制備乙烯(xi)則是(shi)一(yi)個(ge)很好的(de)(de)(de)方向。生昌(chang)國等認為(wei),生物乙醇(chun)制作乙烯(xi)條件溫和,具有勢不可擋的(de)(de)(de)優勢,成本(ben)低,綠色環保,是(shi)一(yi)條可持續發展(zhan)的(de)(de)(de)化(hua)工(gong)(gong)路線。

  2.2.4生物柴油(you)的生產技術

  生物(wu)(wu)柴油(you)的(de)主要(yao)成(cheng)(cheng)分是(shi)脂肪酸(suan)甲酯(zhi)。工業上生產(chan)生物(wu)(wu)柴油(you)主要(yao)有(you)物(wu)(wu)理法(fa)(fa)和(he)化(hua)學(xue)法(fa)(fa)。物(wu)(wu)理法(fa)(fa)又有(you)混(hun)合法(fa)(fa)和(he)乳(ru)化(hua)法(fa)(fa)之分,化(hua)學(xue)法(fa)(fa)主要(yao)有(you)酯(zhi)交(jiao)換(huan)(huan)反(fan)應(ying)、高(gao)溫熱(re)裂(lie)解及酶催化(hua)等(deng)方法(fa)(fa)。酯(zhi)交(jiao)換(huan)(huan)反(fan)應(ying)所需生物(wu)(wu)質原(yuan)料(liao)要(yao)求不高(gao),生產(chan)成(cheng)(cheng)本相對較(jiao)低,應(ying)用(yong)廣泛,工業生產(chan)多采(cai)用(yong)這種方式。但酯(zhi)交(jiao)換(huan)(huan)反(fan)應(ying)過(guo)程存在副產(chan)物(wu)(wu)復雜、可(ke)造成(cheng)(cheng)二次(ci)污(wu)染等(deng)問題,生物(wu)(wu)柴油(you)替代(dai)燃料(liao)模型和(he)反(fan)應(ying)機理尚(shang)不明(ming)確(que),是(shi)生物(wu)(wu)柴油(you)發展的(de)一個瓶頸。但生物(wu)(wu)柴油(you)在很多方面具有(you)化(hua)石柴油(you)所不及的(de)優勢,如潤滑性能(neng),燃燒性能(neng)等(deng),是(shi)一種可(ke)再(zai)生清潔能(neng)源(yuan)。

  2.2.5生物(wu)柴(chai)油的生物(wu)質材料

  起初的(de)生(sheng)物(wu)(wu)柴油(you)(you)(you)(you)(you)(you)是(shi)以(yi)油(you)(you)(you)(you)(you)(you)料(liao)植(zhi)物(wu)(wu)的(de)果實(shi)、種(zhong)(zhong)子、植(zhi)物(wu)(wu)導管乳汁(zhi)油(you)(you)(you)(you)(you)(you)酯(如大豆(dou)、菜(cai)籽(zi)、棉籽(zi)等)及(ji)部分(fen)(fen)含油(you)(you)(you)(you)(you)(you)量較高的(de)******植(zhi)物(wu)(wu)和餐廚垃圾、動物(wu)(wu)油(you)(you)(you)(you)(you)(you)脂等為(wei)(wei)原(yuan)料(liao),通過酯交換(huan)反應工藝(yi)制成(cheng)。生(sheng)物(wu)(wu)柴油(you)(you)(you)(you)(you)(you)的(de)原(yuan)料(liao)可來自(zi)于(yu)動、植(zhi)物(wu)(wu)油(you)(you)(you)(you)(you)(you)脂,也可來自(zi)于(yu)各(ge)種(zhong)(zhong)廢棄食用(yong)油(you)(you)(you)(you)(you)(you)、地(di)溝油(you)(you)(you)(you)(you)(you)、化石(shi)柴油(you)(you)(you)(you)(you)(you)的(de)回收再利用(yong)。我國工業化生(sheng)產(chan)生(sheng)物(wu)(wu)柴油(you)(you)(you)(you)(you)(you)主要以(yi)菜(cai)籽(zi)油(you)(you)(you)(you)(you)(you)、棉籽(zi)油(you)(you)(you)(you)(you)(you)、烏桕油(you)(you)(you)(you)(you)(you)、木油(you)(you)(you)(you)(you)(you)、茶油(you)(you)(you)(you)(you)(you)和地(di)溝油(you)(you)(you)(you)(you)(you)為(wei)(wei)原(yuan)料(liao)制備。胡南(nan)方地(di)區是(shi)我國非糧生(sheng)物(wu)(wu)柴油(you)(you)(you)(you)(you)(you)能源植(zhi)物(wu)(wu)的(de)分(fen)(fen)布(bu)中心,83.9%以(yi)上生(sheng)物(wu)(wu)柴油(you)(you)(you)(you)(you)(you)能源植(zhi)物(wu)(wu)分(fen)(fen)布(bu)在此。

  近(jin)些年又提出了微(wei)(wei)藻(zao)(zao)生(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)柴(chai)(chai)(chai)(chai)(chai)油(you)(you),利用(yong)海水培養的(de)(de)微(wei)(wei)藻(zao)(zao)含油(you)(you)量(liang)很高,產(chan)(chan)量(liang)大,生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)綠色無(wu)污染,已成為(wei)生(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)柴(chai)(chai)(chai)(chai)(chai)油(you)(you)產(chan)(chan)業技術(shu)研究的(de)(de)熱點。美國是(shi)開發微(wei)(wei)藻(zao)(zao)生(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)柴(chai)(chai)(chai)(chai)(chai)油(you)(you)起(qi)步***早的(de)(de)國家。微(wei)(wei)藻(zao)(zao)為(wei)原(yuan)(yuan)料制備(bei)生(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)柴(chai)(chai)(chai)(chai)(chai)油(you)(you)具有(you)培養周期短、產(chan)(chan)油(you)(you)效率高、油(you)(you)脂(zhi)質量(liang)好(hao)、環保、節(jie)省土地,改造空間大等優(you)點。_5微(wei)(wei)藻(zao)(zao)易(yi)養易(yi)收,不與糧(liang)食(shi)作物(wu)(wu)(wu)、經濟(ji)作物(wu)(wu)(wu)爭(zheng)地,含脂(zhi)肪酸等生(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)質能巨大,是(shi)新型(xing)生(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)柴(chai)(chai)(chai)(chai)(chai)油(you)(you)原(yuan)(yuan)料油(you)(you)源之一(yi),也是(shi)未(wei)來生(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)柴(chai)(chai)(chai)(chai)(chai)油(you)(you)發展(zhan)的(de)(de)趨勢之一(yi)。國內外(wai)微(wei)(wei)藻(zao)(zao)生(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)柴(chai)(chai)(chai)(chai)(chai)油(you)(you)大多處于(yu)試驗階(jie)段(duan),制約微(wei)(wei)藻(zao)(zao)生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)生(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)柴(chai)(chai)(chai)(chai)(chai)油(you)(you)工業化(hua)的(de)(de)一(yi)個重要原(yuan)(yuan)因(yin)是(shi)原(yuan)(yuan)料成本高,生(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)柴(chai)(chai)(chai)(chai)(chai)油(you)(you)生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)成本的(de)(de)75%來自于(yu)原(yuan)(yuan)料成本,在(zai)******上(shang),利用(yong)微(wei)(wei)藻(zao)(zao)生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)的(de)(de)生(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)柴(chai)(chai)(chai)(chai)(chai)油(you)(you)與化(hua)石柴(chai)(chai)(chai)(chai)(chai)油(you)(you)相比(bi)沒有(you)優(you)勢。因(yin)此(ci),降低微(wei)(wei)藻(zao)(zao)產(chan)(chan)油(you)(you)成本仍是(shi)重要的(de)(de)研究方向。

  2.3氣(qi)態(tai)生物質能(neng)源的(de)應(ying)用(yong)技術

  2.3.1氣(qi)態生物(wu)質(zhi)能源(yuan)的(de)生成機理

  氣(qi)(qi)(qi)(qi)態生(sheng)(sheng)(sheng)物(wu)(wu)(wu)質(zhi)能(neng)源(yuan)生(sheng)(sheng)(sheng)產(chan)方(fang)法(fa)包括生(sheng)(sheng)(sheng)物(wu)(wu)(wu)發酵法(fa)、生(sheng)(sheng)(sheng)物(wu)(wu)(wu)質(zhi)氣(qi)(qi)(qi)(qi)化法(fa)。生(sheng)(sheng)(sheng)物(wu)(wu)(wu)質(zhi)在厭氧或缺氧的(de)條件下(xia),添(tian)加合(he)適(shi)的(de)酶、菌等,便(bian)可發酵為沼(zhao)氣(qi)(qi)(qi)(qi)。沼(zhao)氣(qi)(qi)(qi)(qi)的(de)主(zhu)要成(cheng)(cheng)分(fen)是甲烷,沼(zhao)氣(qi)(qi)(qi)(qi)的(de)產(chan)生(sheng)(sheng)(sheng)是微(wei)生(sheng)(sheng)(sheng)物(wu)(wu)(wu)新(xin)陳代謝的(de)結果,微(wei)生(sheng)(sheng)(sheng)物(wu)(wu)(wu)從生(sheng)(sheng)(sheng)物(wu)(wu)(wu)質(zhi)材料中吸收能(neng)量(liang),生(sheng)(sheng)(sheng)成(cheng)(cheng)甲烷、二氧化碳。生(sheng)(sheng)(sheng)產(chan)沼(zhao)氣(qi)(qi)(qi)(qi)的(de)原材料主(zhu)要為秸稈(gan)、畜禽糞便(bian)等。尹藝(yi)冉(ran)等對生(sheng)(sheng)(sheng)物(wu)(wu)(wu)能(neng)源(yuan)產(chan)生(sheng)(sheng)(sheng)的(de)熱值進行了分(fen)析,表(biao)明厭氧產(chan)甲烷過程更適(shi)于水生(sheng)(sheng)(sheng)植(zhi)物(wu)(wu)(wu)的(de)資(zi)源(yuan)化。

  對生(sheng)(sheng)物(wu)(wu)質進行高(gao)(gao)溫熱解,即生(sheng)(sheng)物(wu)(wu)質在常壓或加壓的(de)條(tiao)件下,溫度(du)在700℃甚至更高(gao)(gao)時,通(tong)人適量(liang)的(de)氧氣(qi)(qi)(qi)(qi)(qi)或空(kong)氣(qi)(qi)(qi)(qi)(qi)介質,生(sheng)(sheng)物(wu)(wu)質可(ke)熱裂解,生(sheng)(sheng)成含(han)有一氧化(hua)碳、氫(qing)氣(qi)(qi)(qi)(qi)(qi)、甲烷、CmHn等(deng)可(ke)燃混合氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)和(he)二(er)氧化(hua)碳、氮氣(qi)(qi)(qi)(qi)(qi)等(deng)不可(ke)燃氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)。這(zhe)種氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)稱為(wei)生(sheng)(sheng)物(wu)(wu)質燃氣(qi)(qi)(qi)(qi)(qi),純化(hua)后可(ke)以供車輛(liang)驅動(dong)使用。生(sheng)(sheng)物(wu)(wu)質氣(qi)(qi)(qi)(qi)(qi)化(hua)制氫(qing)是由低品位的(de)一次能(neng)源(yuan)(生(sheng)(sheng)物(wu)(wu)質能(neng))向高(gao)(gao)品位的(de)二(er)次能(neng)源(yuan)(氫(qing)能(neng))的(de)高(gao)(gao)效轉(zhuan)化(hua)。

  另外還(huan)有等離子體熱解氣化(hua)生物質(zhi)、熔(rong)融金屬(shu)氣化(hua)生物質(zhi)等新(xin)技術,制得的可燃氣體不含焦(jiao)油,質(zhi)量優良,但有的能耗很高,或(huo)部(bu)分生產技術問題未(wei)解決,目前(qian)仍在研(yan)發階段,未(wei)規模(mo)推(tui)廣。

  2.3.2氣態生(sheng)(sheng)物質能源的(de)生(sheng)(sheng)產設備與(yu)工藝(yi)

  目前(qian),生物質氣(qi)(qi)(qi)(qi)化(hua)(hua)裝置主(zhu)要有固定床氣(qi)(qi)(qi)(qi)化(hua)(hua)爐(lu)(lu)(lu)、流化(hua)(hua)床氣(qi)(qi)(qi)(qi)化(hua)(hua)爐(lu)(lu)(lu)和氣(qi)(qi)(qi)(qi)流床氣(qi)(qi)(qi)(qi)化(hua)(hua)爐(lu)(lu)(lu),熱解(jie)氣(qi)(qi)(qi)(qi)化(hua)(hua)爐(lu)(lu)(lu)技術成(cheng)(cheng)熟的主(zhu)要有固定床和流化(hua)(hua)床2種(zhong),工(gong)藝(yi)(yi)分單(dan)床工(gong)藝(yi)(yi)和雙床工(gong)藝(yi)(yi),單(dan)床工(gong)藝(yi)(yi)較為簡單(dan),成(cheng)(cheng)本(ben)低(di),能耗低(di),但(dan)生成(cheng)(cheng)氣(qi)(qi)(qi)(qi)體(ti)在氣(qi)(qi)(qi)(qi)化(hua)(hua)爐(lu)(lu)(lu)內停留(liu)(liu)時間(jian)過短,焦油(you)裂解(jie)不充分,使得生成(cheng)(cheng)氣(qi)(qi)(qi)(qi)體(ti)中(zhong)所含焦油(you)量大。焦油(you)通常在800℃以上(shang)2~3S內即可(ke)裂解(jie),因此,提高(gao)氣(qi)(qi)(qi)(qi)化(hua)(hua)爐(lu)(lu)(lu)溫度(du)、增加(jia)(jia)含焦油(you)氣(qi)(qi)(qi)(qi)體(ti)在氣(qi)(qi)(qi)(qi)化(hua)(hua)爐(lu)(lu)(lu)內停留(liu)(liu)時間(jian),可(ke)進(jin)一步減少(shao)所得氣(qi)(qi)(qi)(qi)體(ti)的焦油(you)含量。雙床工(gong)藝(yi)(yi)則增加(jia)(jia)了一個氣(qi)(qi)(qi)(qi)化(hua)(hua)爐(lu)(lu)(lu),延長焦油(you)在氣(qi)(qi)(qi)(qi)化(hua)(hua)爐(lu)(lu)(lu)停留(liu)(liu)時間(jian),使得焦油(you)進(jin)一步裂解(jie),但(dan)增加(jia)(jia)的氣(qi)(qi)(qi)(qi)化(hua)(hua)爐(lu)(lu)(lu)需要單(dan)獨加(jia)(jia)熱升(sheng)溫,由此也增加(jia)(jia)了能耗,使成(cheng)(cheng)本(ben)上(shang)升(sheng)。

  2.3.3氣態生物質能源(yuan)的(de)應(ying)用于推廣

  沼氣(qi)(qi)和(he)天(tian)(tian)然(ran)氣(qi)(qi)的主(zhu)要成分都是甲烷(wan),不同在于(yu)甲烷(wan)含量。沼氣(qi)(qi)一般含甲烷(wan)60%,天(tian)(tian)然(ran)氣(qi)(qi)為90%,純化(hua)至97%即為車用(yong)天(tian)(tian)然(ran)氣(qi)(qi),因此(ci)沼氣(qi)(qi)純化(hua)后可同天(tian)(tian)然(ran)氣(qi)(qi)相媲美(mei),又稱為生物天(tian)(tian)然(ran)氣(qi)(qi),用(yong)途廣泛(fan)。在國外,生物天(tian)(tian)然(ran)氣(qi)(qi)用(yong)于(yu)熱(re)電(dian)聯產、汽(qi)車燃料均已(yi)多年(nian)。

  我(wo)(wo)國生(sheng)(sheng)物質(zhi)氣(qi)(qi)(qi)化產業在(zai)應用(yong)(yong)方面(mian)主要為(wei)氣(qi)(qi)(qi)化發電農村(cun)氣(qi)(qi)(qi)化供(gong)氣(qi)(qi)(qi)。沼(zhao)(zhao)(zhao)氣(qi)(qi)(qi)生(sheng)(sheng)產工藝簡單,原材料廣(guang)泛,因其生(sheng)(sheng)產成(cheng)本低(di)而廣(guang)泛的(de)(de)應用(yong)(yong)于農村(cun)生(sheng)(sheng)產生(sheng)(sheng)活。我(wo)(wo)國多地農村(cun)都建有(you)小型(xing)戶用(yong)(yong)沼(zhao)(zhao)(zhao)氣(qi)(qi)(qi)池(chi),如山(shan)東萊西(xi)、膠州等地,通過管道和(he)專用(yong)(yong)沼(zhao)(zhao)(zhao)氣(qi)(qi)(qi)爐(lu)進(jin)行炊事或取暖。另外,沼(zhao)(zhao)(zhao)氣(qi)(qi)(qi)池(chi)中(zhong)的(de)(de)沼(zhao)(zhao)(zhao)渣(zha)還可以肥田,沼(zhao)(zhao)(zhao)液可以用(yong)(yong)作飼料添加(jia)劑(ji)等,由此(ci),在(zai)增加(jia)了農民收入(ru)的(de)(de)情況下(xia),又有(you)效(xiao)減(jian)少了農民化肥等的(de)(de)支出(chu)。生(sheng)(sheng)物質(zhi)氣(qi)(qi)(qi)化集(ji)中(zhong)供(gong)氣(qi)(qi)(qi)技術在(zai)我(wo)(wo)國也被廣(guang)泛應用(yong)(yong),我(wo)(wo)國******個生(sheng)(sheng)物質(zhi)氣(qi)(qi)(qi)化集(ji)中(zhong)供(gong)氣(qi)(qi)(qi)項(xiang)目(mu)位于山(shan)東省桓臺縣東潘村(cun),1994年建成(cheng)并投產。工業用(yong)(yong)大(da)型(xing)沼(zhao)(zhao)(zhao)氣(qi)(qi)(qi)廠可用(yong)(yong)于發電、規(gui)模供(gong)暖,效(xiao)益可觀。另外,2011年,廣(guang)西(xi)南寧已(yi)進(jin)行了車用(yong)(yong)天(tian)然氣(qi)(qi)(qi)的(de)(de)商業化運行。曾中(zhong)華還探(tan)索了將生(sheng)(sheng)物質(zhi)氣(qi)(qi)(qi)化技術應用(yong)(yong)在(zai)工業窯爐(lu)中(zhong)。

  2.3.4氣態(tai)生(sheng)物(wu)質能源的缺點

  在(zai)氣(qi)(qi)化(hua)過程中,因(yin)生物(wu)質(zhi)材料中含有少(shao)量的(de)氮(dan)(氣(qi)(qi)化(hua)爐中通入(ru)空氣(qi)(qi)作為(wei)介質(zhi)時也會增加(jia)含氮(dan)量)、硫及部(bu)分(fen)金屬元素,使氣(qi)(qi)化(hua)產生焦(jiao)油,從(cong)而導致氣(qi)(qi)化(hua)爐或者使用氣(qi)(qi)態資源的(de)設備管道易被(bei)焦(jiao)油堵塞。雖然(ran)可通過提高熱解溫度的(de)方式減少(shao)焦(jiao)油,但又會造成高能耗,增加(jia)成本。

  發展生(sheng)物(wu)質(zhi)(zhi)(zhi)液態(tai)能(neng)源(yuan)(yuan)(yuan)和(he)氣態(tai)能(neng)源(yuan)(yuan)(yuan)是化石能(neng)源(yuan)(yuan)(yuan)替代的戰略******。氣態(tai)能(neng)源(yuan)(yuan)(yuan)和(he)液態(tai)能(neng)源(yuan)(yuan)(yuan)產品中常含有(you)雜(za)質(zhi)(zhi)(zhi),不利(li)(li)于工農業生(sheng)產中能(neng)源(yuan)(yuan)(yuan)的利(li)(li)用(yong),如焦油等,增加了生(sheng)物(wu)質(zhi)(zhi)(zhi)能(neng)源(yuan)(yuan)(yuan)使(shi)用(yong)成(cheng)本。目前已(yi)有(you)很(hen)多研究來提高生(sheng)物(wu)質(zhi)(zhi)(zhi)產品的利(li)(li)用(yong)率(lv),如對生(sheng)物(wu)質(zhi)(zhi)(zhi)進行預(yu)處理(li)(li),改變其(qi)物(wu)理(li)(li)化學性質(zhi)(zhi)(zhi),從而(er)使(shi)各種反應(ying)向著有(you)利(li)(li)方向進行,以(yi)逐步提高氣態(tai)、液態(tai)能(neng)源(yuan)(yuan)(yuan)的利(li)(li)用(yong)效率(lv)。

  3總結(jie)與展(zhan)望(wang)

  將生(sheng)物(wu)(wu)質材料轉化(hua)為工農(nong)業生(sheng)產(chan)中(zhong)可直接使用的能源物(wu)(wu)質,方(fang)法(fa)(fa)主(zhu)要(yao)(yao)有物(wu)(wu)理(li)法(fa)(fa)、化(hua)學法(fa)(fa)和(he)生(sheng)物(wu)(wu)法(fa)(fa)。物(wu)(wu)理(li)法(fa)(fa)主(zhu)要(yao)(yao)為粉碎和(he)加(jia)熱,工藝簡單,但耗(hao)能較高,生(sheng)物(wu)(wu)法(fa)(fa)是(shi)進(jin)行微生(sheng)物(wu)(wu)降解(jie),處理(li)時間相(xiang)對較長,化(hua)學法(fa)(fa)主(zhu)要(yao)(yao)通過與酸或堿的化(hua)學反應,相(xiang)對耗(hao)能低,反應快,但工藝相(xiang)對復雜(za),副產(chan)物(wu)(wu)復雜(za)。

  生(sheng)物(wu)(wu)(wu)質(zhi)能(neng)(neng)(neng)源(yuan)(yuan)是綠色(se)、可再(zai)生(sheng)能(neng)(neng)(neng)源(yuan)(yuan),蘊(yun)藏(zang)量巨大,分(fen)布廣泛(fan)。只要(yao)有(you)(you)陽光照射,綠色(se)植物(wu)(wu)(wu)光合作用***不會停止,生(sheng)物(wu)(wu)(wu)質(zhi)能(neng)(neng)(neng)則(ze)不會枯竭。生(sheng)物(wu)(wu)(wu)質(zhi)能(neng)(neng)(neng)源(yuan)(yuan)又是可再(zai)生(sheng)能(neng)(neng)(neng)源(yuan)(yuan)中******可以儲(chu)存與運輸的能(neng)(neng)(neng)源(yuan)(yuan),這(zhe)給能(neng)(neng)(neng)源(yuan)(yuan)轉換和(he)連續利用帶來方便。我國(guo)生(sheng)物(wu)(wu)(wu)質(zhi)資源(yuan)(yuan)儲(chu)量豐富,但有(you)(you)效利用率(lv)還很低。

  化(hua)石(shi)能(neng)(neng)(neng)源(yuan)正一(yi)步步走(zou)向枯(ku)竭,而我(wo)國(guo)的(de)(de)能(neng)(neng)(neng)源(yuan)消費又逐(zhu)年(nian)遞增,2010年(nian)中國(guo)煤炭(tan)消費量(liang)(liang)(liang)已占到(dao)全球消費總量(liang)(liang)(liang)的(de)(de)48.3%,能(neng)(neng)(neng)源(yuan)安全問題已經迫在眉睫。化(hua)石(shi)能(neng)(neng)(neng)源(yuan)的(de)(de)集中大(da)量(liang)(liang)(liang)使用(yong)給環(huan)境和生態帶來了(le)巨大(da)的(de)(de)影響(xiang),近幾年(nian)霧霾天(tian)氣(qi)逐(zhu)年(nian)增多(duo),日益(yi)嚴重(zhong),十(shi)八大(da)報告也(ye)已明(ming)確提出,要求大(da)力推進(jin)生態文明(ming)建(jian)設,因此,尋(xun)找取代化(hua)石(shi)能(neng)(neng)(neng)源(yuan)的(de)(de)清(qing)潔的(de)(de)、可再(zai)生能(neng)(neng)(neng)源(yuan)刻不容緩,發展生物質能(neng)(neng)(neng)源(yuan)也(ye)是我(wo)國(guo)促進(jin)克霾減排(pai)、保護生態環(huan)境的(de)(de)有效(xiao)手(shou)段(duan)。

  發(fa)展(zhan)生(sheng)(sheng)物(wu)(wu)質能(neng)(neng)源(yuan)(yuan),不(bu)(bu)僅可以部(bu)分替代(dai)化(hua)石能(neng)(neng)源(yuan)(yuan),改善生(sheng)(sheng)態環境,更在(zai)于生(sheng)(sheng)物(wu)(wu)質能(neng)(neng)源(yuan)(yuan)產業(ye)(ye)的(de)(de)(de)發(fa)展(zhan)可以形(xing)成很長的(de)(de)(de)產業(ye)(ye)鏈。生(sheng)(sheng)物(wu)(wu)質通常分散于各地,不(bu)(bu)集(ji)中(zhong)(zhong),且與季節、氣候有(you)關(guan),這些因素給生(sheng)(sheng)物(wu)(wu)質原(yuan)料的(de)(de)(de)集(ji)中(zhong)(zhong)帶來了不(bu)(bu)少麻煩。因此(ci),生(sheng)(sheng)物(wu)(wu)質能(neng)(neng)源(yuan)(yuan)的(de)(de)(de)開(kai)(kai)發(fa)與利(li)用(yong),涉及到農業(ye)(ye)、交通運輸、工業(ye)(ye)、通信、環保、能(neng)(neng)源(yuan)(yuan)等多(duo)行業(ye)(ye),使(shi)得生(sheng)(sheng)物(wu)(wu)質源(yuan)(yuan)材料的(de)(de)(de)種(zhong)植與養(yang)殖、收(shou)集(ji)、運輸、倉儲(chu)、管(guan)理等相關(guan)行業(ye)(ye)得以相應(ying)發(fa)展(zhan),各環節都是(shi)生(sheng)(sheng)物(wu)(wu)質能(neng)(neng)源(yuan)(yuan)開(kai)(kai)發(fa)利(li)用(yong)中(zhong)(zhong)必不(bu)(bu)可少的(de)(de)(de)。因此(ci),生(sheng)(sheng)物(wu)(wu)質能(neng)(neng)源(yuan)(yuan)開(kai)(kai)發(fa)利(li)用(yong)必將帶動(dong)各產業(ye)(ye)協(xie)同統一發(fa)展(zhan)。

  原材(cai)料大量來源(yuan)(yuan)于農林畜牧(mu)業(ye),生(sheng)物(wu)質資(zi)源(yuan)(yuan)的利(li)用將是農業(ye)經濟(ji)一(yi)個新(xin)的經濟(ji)增長點,必將直接帶動農村經濟(ji)迅速發(fa)展,推動新(xin)農村建設(she)的進程。因此(ci),積(ji)極(ji)發(fa)展生(sheng)物(wu)質能(neng)源(yuan)(yuan)既(ji)可(ke)以解(jie)決國家(jia)能(neng)源(yuan)(yuan)安全問題(ti),又可(ke)以有(you)效改善生(sheng)態環(huan)境(jing),還可(ke)以為農林畜牧(mu)業(ye)廢(fei)棄物(wu)增值,增加經濟(ji)收入,催(cui)生(sheng)新(xin)的產業(ye)鏈(lian),是一(yi)個一(yi)舉多得的國家(jia)戰略。