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Life Cycle Assessment of Biochar Modified Bioasphalt Derived from Biomass
ACS Sustainable Chemistry & Engineering ( IF 7.1 ) Pub Date : 2020-09-15 , DOI: 10.1021/acssuschemeng.0c05355 Xinxing Zhou 1, 2 , Taher Baghaee Moghaddam 3 , Meizhu Chen 1 , Shaopeng Wu 1 , Sanjeev Adhikari 4 , Song Xu 5 , Chao Yang 1
ACS Sustainable Chemistry & Engineering ( IF 7.1 ) Pub Date : 2020-09-15 , DOI: 10.1021/acssuschemeng.0c05355 Xinxing Zhou 1, 2 , Taher Baghaee Moghaddam 3 , Meizhu Chen 1 , Shaopeng Wu 1 , Sanjeev Adhikari 4 , Song Xu 5 , Chao Yang 1
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This paper focuses on the life cycle assessment (LCA) of different types of biochar modified bioasphalt (BMBA) by considering greenhouse gas (GHG) emission and environmental pollution factors. Biochar and bio-oil were obtained from two types of biomass (waste wood and pig manure). The application of BMBA would not only improve the efficiency of biomass utilization but also enhance the environmental protection. Analyses were carried out by considering different stages which stem from the combination of material preparation, construction, use, maintenance, and demolition recovery. The GHG (CO2 equivalent) and environmental pollutants (volatile organic compounds equivalent, VOCs) of BMBA were used for life-cycle inventory assessment. The results showed that three critical factors including material preparation and demolition recovery contribute to environmental impact. Bioasphalt species could significantly affect the energy consumption factor and reduce the environmental pollution. As biochar and bio-oil contents increase, GHG emissions decrease accordingly. The results indicated that material preparation had the biggest contribution in energy consumption. The findings highlighted the significance of bioasphalt species and content on VOCs decay pattern in life cycle assessment and global warming potential.
中文翻译：
源自生物质的生物炭改性生物沥青的生命周期评估
本文通过考虑温室气体（GHG）排放和环境污染因素，重点研究了不同类型的生物炭改性生物沥青（BMBA）的生命周期评估（LCA）。生物炭和生物油是从两种生物质（废木料和猪粪）中获得的。BMBA的应用不仅可以提高生物质的利用效率，而且可以增强环境保护。分析是通过考虑材料准备，构造，使用，维护和拆除回收的不同阶段进行的。温室气体（CO 2当量）和BMBA的环境污染物（当量挥发性有机化合物，VOCs）用于生命周期清单评估。结果表明，包括材料准备和拆除回收在内的三个关键因素对环境产生了影响。生物沥青物种可以显着影响能源消耗因子并减少环境污染。随着生物炭和生物油含量的增加，温室气体排放量相应减少。结果表明，材料制备对能耗的贡献最大。这些发现突出了生命周期评估和全球变暖潜力中生物沥青种类和含量对VOCs衰减模式的重要性。
更新日期：2020-09-28
中文翻译：
源自生物质的生物炭改性生物沥青的生命周期评估
本文通过考虑温室气体（GHG）排放和环境污染因素，重点研究了不同类型的生物炭改性生物沥青（BMBA）的生命周期评估（LCA）。生物炭和生物油是从两种生物质（废木料和猪粪）中获得的。BMBA的应用不仅可以提高生物质的利用效率，而且可以增强环境保护。分析是通过考虑材料准备，构造，使用，维护和拆除回收的不同阶段进行的。温室气体（CO 2当量）和BMBA的环境污染物（当量挥发性有机化合物，VOCs）用于生命周期清单评估。结果表明，包括材料准备和拆除回收在内的三个关键因素对环境产生了影响。生物沥青物种可以显着影响能源消耗因子并减少环境污染。随着生物炭和生物油含量的增加，温室气体排放量相应减少。结果表明，材料制备对能耗的贡献最大。这些发现突出了生命周期评估和全球变暖潜力中生物沥青种类和含量对VOCs衰减模式的重要性。
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