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甜高粱莖稈乙醇全生命周期分析
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農業(yè)部引進國際先進農業(yè)科學技術項目（2008G2）


Life Cycle Assessment on Fuel Ethanol Producing from Sweet Sorghum Stalks
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    摘要:

    針對內蒙古地區(qū)甜高粱種植和甜高粱莖稈先進固體發(fā)酵技術，構建全生命周期分析模型，以及甜高粱種植中化肥、農藥等的能量投入數(shù)據(jù)庫，對能耗、溫室氣體排放及其影響因素進行全生命周期分析。結果表明，能量投入為34.831MJ/t，乙醇生產階段和甜高粱生產階段是主要能耗階段；甜高粱乙醇的能量產出為46.562MJ/t，凈能值為11730.97MJ/t，能量產出投入比為1.34，CO2排放量為93.23g/MJ。從能源角度來看，利用甜高粱莖稈生產燃料乙醇是可行的。

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    Aiming at the technologies of sweet sorghum planting and advanced solid state fermentation (ASSF) in Inner Mongolia, a life cycle assessment (LCA) model on energy consumption, greenhouse gas emissions and other relative impact factors was established together with a database of fertilizer, pesticide and other energy inputs. The model showed that the energy input was 34831MJ/t and mainly distributed in sweet sorghum planting and ethanol producing phases. The energy output, net energy produced, energymaking efficiency and CO2 emissions were 46562MJ/t, 11730.97MJ/t, 1.34 and 93.23g/MJ, respectively. The results showed sweet sorghum ethanol making was feasible from the view point of energy production. 

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田宜水,李十中,趙立欣,孟海波,霍麗麗.甜高粱莖稈乙醇全生命周期分析[J].農業(yè)機械學報,2011,42(6):132-137. Tian Yishui, Li Shizhong, Zhao Lixin, Meng Haibo, Huo Lili. Life Cycle Assessment on Fuel Ethanol Producing from Sweet Sorghum Stalks[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(6):132-137.

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