底物浓度对城市固体废弃物有机组分（OFMSW）干式中温厌氧消化的影响。
Effect of substrate concentration on dry mesophilic anaerobic digestion of organic fraction of municipal solid waste (OFMSW).
作者信息
Fernández J, Pérez M, Romero L I
机构信息
Department of Chemical Engineering, Food Technology and Environmental Technologies, Faculty of Sea Sciences and Environmental Sciences, University of Cadiz, Campus Puerto Real s/n, 11510-Puerto Real, Cádiz, Spain.
出版信息
Bioresour Technol. 2008 Sep;99(14):6075-80. doi: 10.1016/j.biortech.2007.12.048. Epub 2008 Feb 5.
The influence of total solid contents during anaerobic mesophilic treatment of the organic fraction of municipal solid waste (MSW) has been studied in this work. The work was performed in batch reactors of 1.7L capacity, during a period of 85-95 days. Two different organic substrate concentrations were studied: 931.1 mgDOC/L (20% TS) and 1423.4 mgDOC/L (30% TS). Experimental results showed that the reactor with 20% total solids content had significantly higher performance. Thus, the startup phase ended at 14 days and the total DOC removal was 67.53%. The startup in reactor R30 ended at 28 days obtaining 49.18% DOC removal. Also, the initial substrate concentration contributed substantially to the amount of methane in the biogas. Hence, the total methane production in the methanogenic phase was 7.01 L and 5.53 L at the end of the experiments for R20 and R30, respectively.
本研究探讨了城市生活垃圾（MSW）有机组分厌氧中温处理过程中总固体含量的影响。实验在1.7L容量的间歇式反应器中进行，为期85 - 95天。研究了两种不同的有机底物浓度：931.1mgDOC/L（20%TS）和1423.4mgDOC/L（30%TS）。实验结果表明，总固体含量为20%的反应器性能显著更高。因此，R20反应器的启动阶段在14天结束，总DOC去除率为67.53%。R30反应器的启动在28天结束，DOC去除率为49.18%。此外，初始底物浓度对沼气中甲烷的含量有很大贡献。因此，在实验结束时，R20和R30的产甲烷阶段总甲烷产量分别为7.01L和5.53L。
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