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首页> 外文期刊>Energy Conversion & Management >Life cycle assessment (LCA) of an integrated biomass gasification combined cycle (IBGCC) with CO_2 removal
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Life cycle assessment (LCA) of an integrated biomass gasification combined cycle (IBGCC) with CO_2 removal

机译：去除CO_2的生物质气化联合循环（IBGCC）的生命周期评估（LCA）

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Based on the results of previous studies, the efficiency of a Brayton/Hirn combined cycle fuelled with a clean syngas produced by means of biomass gasification and equipped with CO_2 removal by chemical absorption reached 33.94%, considering also the separate CO_2 compression process. The specific CO_2 emission of the power plant was 178kg/MWh. In comparison with values previously found for an integrated coal gasification combined cycle (ICGCC) with upstream CO_2 chemical absorption (38-39% efficiency, 130kg/MWh specific CO_2 emissions), this configuration seems to be attractive because of the possibility of operating with a simplified scheme and because of the possibility of using biomass in a more efficient way with respect to conventional systems. In this paper, a life cycle assessment (LCA) was conducted with presenting the results on the basis of the Eco-Indicator 95 impact assessment methodology. Further, a comparison with the results previously obtained for the LCA of the ICGCC was performed in order to highlight the environmental impact of biomass production with fossil fuels utilisation. The LCA shows the important environmental advantages of biomass utilisation in terms of reduction of both greenhouse gas emissions and natural resource depletion, although an improved impact assessment methodology may better highlight the advantages due to the biomass utilisation.
机译：根据之前的研究结果，以布雷顿/希恩联合循环为燃料的生物燃料气化生产的清洁合成气，并通过化学吸收去除CO_2的效率达到了33.94％，同时还考虑了单独的CO_2压缩过程。电厂的特定CO_2排放为178kg / MWh。与先前发现的具有上游CO_2化学吸收（38-39％的效率，130kg / MWh的特定CO_2排放量）的整体煤气化联合循环（ICGCC）的值相比，该配置似乎具有吸引力，因为它可以在有简化的方案，并且因为相对于常规系统，可以更有效地使用生物质。在本文中，我们进行了生命周期评估（LCA），并在Eco-Indicator 95影响评估方法的基础上介绍了结果。此外，与先前针对ICGCC的LCA获得的结果进行了比较，以突出利用化石燃料利用生物质生产的环境影响。 LCA在减少温室气体排放和减少自然资源消耗方面显示了生物质利用的重要环境优势，尽管改进的影响评估方法可能会更好地突出生物质利用带来的优势。

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