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Evaluation of Green Coffee-Roasting Biogas with Modeling Valorization of Possible Solutions
International Journal of Environmental Research and Public Health Pub Date : 2020-09-23 , DOI: 10.3390/ijerph17196947
Giuseppe Campo , Alberto Cerutti , Marco Ravina , Deborah Panepinto , Vincenzo A. Riggio , Mariachiara Zanetti

According to the European Union Directive 2009/28/EC, the goals of obtaining 20% of all energy requirements from renewable sources and a 20% reduction in primary energy use must be fulfilled by 2020. In this work, an evaluation was performed, from the environmental and energy point of view, of anaerobic digestion as a valid solution for the treatment of the byproducts obtained from the coffee-roasting process. In particular, thermophilic anaerobic digestion tests were carried out. Output values from the laboratory were used as input for the MCBioCH4 model to evaluate the produced flow of biogas and biomethane and two different biogas valorization alternatives, namely, the traditional exploitation of biogas for heat/energy production and biomethane conversion. The results of the preliminary simulation showed that a full-scale implementation of the coffee waste biogas production process is technically feasible and environmentally sustainable. Furthermore, the performed analysis validates a general methodology for energy production compatibility planning.

中文翻译:

用可能的解决方案的模型评估对生咖啡烘焙沼气进行评估

根据欧盟指令2009/28 / EC,到2020年必须实现从可再生资源中获取20%的能源需求并减少20%的一次能源使用的目标。在这项工作中,从环境和能源的角度来看,厌氧消化是一种有效的解决方案,可用于处理咖啡烘焙过程中产生的副产物。特别地,进行了高温厌氧消化测试。实验室的输出值用作MCBioCH 4的输入该模型可评估沼气和沼气的生产流量,以及两种不同的沼气增值替代方案,即用于热量/能源生产和沼气转化的传统沼气开采方法。初步模拟的结果表明,咖啡渣沼气生产过程的全面实施在技术上是可行的,并且在环境上是可持续的。此外,执行的分析验证了能源生产兼容性计划的通用方法。
更新日期:2020-09-23
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