| 微藻气化发电生命周期评价及碳循环分析 |
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| 引用本文： | 刘竞,马晓茜.微藻气化发电生命周期评价及碳循环分析[J].太阳能学报,2008,29(11). |
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| 作者姓名： | 刘竞 马晓茜 |
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| 作者单位： | 华南理工大学电力学院,广州,510640 |
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| 摘 要： | 运用ICA的方法,对4MW的微藻气化发电系统进行分析,计算出全生命周期的资源消耗和环境影响潜值.结果表明干微藻气化能产生气体的热值是17.7MJ/kg,每生产1MW·h的电能需消耗908.41kg微藻,产生的总环境影响负荷是2.175人当量,资源消耗系数是1.455毫人当量.由于微藻的光合作用能固定尾气中的CO2,若将烟道尾气用于微藻的养殖,将尾气中50%的CO2的吸收用于自身的生长,大大降低了CO2的排放量.全球变暖潜值(GW)由原来的0.196降低至0.141,下降了28%,由于CO2的减排使环境总负荷也下降了3%,表明尾气的循环利用对减轻环境负荷具有十分重要的意义.
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| 关 键 词： | 微藻 气化 生命周期分析 碳循环 资源消耗系数 环境影响负荷 |
LCA & CARBON RECYCLE ANALYSIS ON ELECTRICITY PRODUCTION FROM MICROALGAE BY GASIFICATION |
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| Liu Jing,Ma Xiaoqian.LCA & CARBON RECYCLE ANALYSIS ON ELECTRICITY PRODUCTION FROM MICROALGAE BY GASIFICATION[J].Acta Energiae Solaris Sinica,2008,29(11). |
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| Authors: | Liu Jing Ma Xiaoqian |
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| Affiliation: | Liu Jing Ma Xiaoqian (College of Electrical Engineering,South China University of Technology,Guangzhou 510640,China) |
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| Abstract: | The electric power production from microalgae by gasification in a 4MW power plant was analyzed by a Life Cy- cle Assessment approach which is applied to calculate the values of the environmental impact load and the depletion of natural resources coefficient.The results indicate that the values are 2.175 PET and 1.455 mPET for every 1MW electric power produced from 908.41kg micmalgae.Since the microalgae can fix CO_2 through photosynthesis,the previous value of GW 0.196 fellows down to 0.141,which decrease ... |
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| Keywords: | microalgae gasification LCA C-recycling depletion of natural resources coefficient environmental impact load |
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