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首页> 外文期刊>Current opinion in biotechnology >Energy and carbon accounting to compare bioenergy crops. (Special Issue: Energy biotechnology. Environmental biotechnology.)
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Energy and carbon accounting to compare bioenergy crops. (Special Issue: Energy biotechnology. Environmental biotechnology.)

机译:能源和碳核算以比较生物能源作物。 (特刊:能源生物技术。环境生物技术。)

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摘要

To compare the utility of current and future biofuels and biofuel feedstocks in an objective manner can be extremely challenging. This challenge exists because agricultural data are inherently variable, experimental techniques are crop-dependent, and the literatures usually report relative, rather than absolute, values. Here, we discuss the 'PETRO approach', a systematic approach to evaluate new crops. This approach accounts for not only the capture of solar energy but also the capture of atmospheric carbon (as CO2) to generate a final carbon-based liquid fuel product. The energy yield, per unit area, of biofuel crops grown in different climate zones can thus be benchmarked and quantitatively compared in terms of both carbon gain and solar energy conversion efficiency.
机译:以客观的方式比较当前和将来的生物燃料和生物燃料原料的效用可能非常具有挑战性。之所以存在这一挑战,是因为农业数据具有内在的可变性,实验技术依赖于农作物,并且文献通常报告的是相对而非绝对值。在这里,我们讨论“ PETRO方法”,这是一种评估新作物的系统方法。这种方法不仅考虑了太阳能的捕获,而且还考虑了大气碳(作为CO 2 )的捕获,以生成最终的碳基液体燃料产品。因此,可以对在不同气候带中生长的生物燃料作物每单位面积的能源产量进行基准测试,并就碳获取和太阳能转换效率进行定量比较。

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