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首页> 外文期刊>Energy Conversion & Management >Techno-economic and environmental analysis of bio-oil production from forest residues via non-catalytic and catalytic pyrolysis processes
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Techno-economic and environmental analysis of bio-oil production from forest residues via non-catalytic and catalytic pyrolysis processes

机译：通过非催化和催化热解过程从森林残留物生物油生产的技术经济和环境分析

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摘要

Forest residues pose a fire risk as woody biomass remaining in forests after thinning or clear-felling. Instead of infield burning, forest residues can be converted into products such as bio-oil and biochar through pyrolysis. In situ catalytic pyrolysis can be implemented to upgrade bio-oil for co-processing with Vacuum Gas Oil (VGO). In this study, process simulations were developed in Aspen Plus (R) for non-catalytic and catalytic pyrolysis to investigate the economic feasibility of bio-oil production for co-processing 5 wt% crude or 10 wt% upgraded bio-oil, and considering 100, 200 and 300 km biomass collection radii. The Minimum Selling Price (MSP) of bio-oil (22% IRR) for co-processing was $1.09/L (crude) and $1.46/L (upgraded), respectively. However, economy-of-scale showed a clear benefit as the lowest MSP of bio-oil was $0.75/L (crude) and $1.35/L (upgraded) at 300 km. Furthermore, the MSP of bio-oil decreased to $0.71/L (crude) and $1.25/L (upgraded) at 300 km for improved bio-oil and biochar product recovery as evaluated through the process sensitivity analysis. Life Cycle Assessment results for Global Warming Potential (GWP(100)) of bio-oil production corresponded to -0.30 (crude) and -0.14 (upgraded) kg CO(2)eq/MJ, while GWP(100) of VGO production ranged from 0.0052 (crude-oil) to 0.013 (diesel) kg CO(2)eq/MJ.
机译：森林残留物在稀疏或清晰砍伐后留在森林中的木本生物量造成火灾风险。代替infiefe燃烧，森林残留物可以通过热解转换成生物油和生物炭等产品。原位催化热解可以实施以升级生物油，用真空煤气油（VGO）进行共同加工。在本研究中，在AspenPlus中开发了工艺模拟，用于非催化和催化热解，以研究生物油生产的经济可行性，用于共同加工5wt％原油或10wt％升级的生物油，并考虑100,200和300公里的生物量收集半径。共同加工的生物油（22％IRR）的最低销售价格（22％IRR）分别为1.09 / L（原油）和1.46 / L（升级）。然而，规模经济表现出明显的益处，因为生物油的最低MSP为0.75 / L（原油），1.35 / L（升级）300公里。此外，生物油的MSP降至0.71 / L（原油），在300公里的300公里处减少至1.25 / L（升级），以改善通过过程敏感性分析评估的生物油和生物炭产品恢复。生命周期评估结果对生物油产量的全球变暖潜力（GWP（100））对应于-0.30（粗材料）和-0.14（升级）kg co（2）eq / mj，而GWP（100）的VGO产量范围远程从0.0052（原油）至0.013（柴油）Kg CO（2）EQ / MJ。

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