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Comparative Study on the Performance of Aboveground and Underground Fixed‐Dome Biogas Digesters
Chemical Engineering & Technology ( IF 1.8 ) Pub Date : 2019-11-25 , DOI: 10.1002/ceat.201900378 KeChrist Obileke 1, 2 , Sampson Mamphweli 3 , Edson L. Meyer 2 , Golden Makaka 1 , Nwabunwanne Nwokolo 1, 2 , Helen Onyeaka 4
Chemical Engineering & Technology ( IF 1.8 ) Pub Date : 2019-11-25 , DOI: 10.1002/ceat.201900378 KeChrist Obileke 1, 2 , Sampson Mamphweli 3 , Edson L. Meyer 2 , Golden Makaka 1 , Nwabunwanne Nwokolo 1, 2 , Helen Onyeaka 4
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A comparative analysis of aboveground and underground biogas digesters is described in relation to their performance and effect of temperature, pH, and hydraulic retention time. The digestion chamber of the two biogas systems under study was fabricated using high‐density polyethylene (HDPE) plastic, while the inlet and outlet chamber were constructed with bricks. The performance of small‐scale digesters, particularly of the fixed‐dome type, should be improved. Cow dung served as substrate in the performance test. Biogas production from the two systems was measured by a customized gas temperature pressure measurement sensor. Evidently, the insulation provided to the underground digester helped to achieve a more stable internal temperature for the digester.
中文翻译：
地下固定式沼气池沼气池性能比较研究
对地上和地下沼气池的性能和温度，pH值和水力停留时间的影响进行了比较分析。所研究的两个沼气系统的消化室使用高密度聚乙烯（HDPE）塑料制造，而进，出口室则用砖块建造。小型沼气池的性能，特别是固定圆顶类型的沼气池，应加以改进。牛粪用作性能测试的底物。通过定制的气体温度压力测量传感器测量了两个系统的沼气产量。显然，提供给地下蒸煮器的隔热材料有助于使蒸煮器的内部温度更加稳定。
更新日期：2019-11-25
中文翻译：
地下固定式沼气池沼气池性能比较研究
对地上和地下沼气池的性能和温度，pH值和水力停留时间的影响进行了比较分析。所研究的两个沼气系统的消化室使用高密度聚乙烯（HDPE）塑料制造，而进，出口室则用砖块建造。小型沼气池的性能，特别是固定圆顶类型的沼气池，应加以改进。牛粪用作性能测试的底物。通过定制的气体温度压力测量传感器测量了两个系统的沼气产量。显然，提供给地下蒸煮器的隔热材料有助于使蒸煮器的内部温度更加稳定。
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