在膜生物膜反应器中去除气态二甲基硫醚：甲醇对反应器性能的影响。
Gaseous dimethyl sulphide removal in a membrane biofilm reactor: effect of methanol on reactor performance.
机构信息
EnVOC Research Group, Faculty of Bioscience Engineering, Ghent University, Belgium.
出版信息
Bioresour Technol. 2010 Dec;101(23):8955-9. doi: 10.1016/j.biortech.2010.06.081. Epub 2010 Jul 27.
In this study, removal of dimethyl sulphide (DMS) vapours in a membrane biofilm reactor (MBfR) and the effect of the presence of methanol (MeOH) is reported. Results obtained from continuous flow experiments showed that MeOH had a positive effect (maximum 1.3 times higher) on DMS biodegradation. A decrease in MBfR performance was observed during periods without MeOH addition, indicating that MeOH addition is necessary to sustain high DMS removal rates in the MBfR. In this study, a maximum elimination capacity (EC) of 6.2 kg DMS m(-3) d(-1) was observed at an optimum MeOH dose of 1.1-2.3 g m(-3). The observed EC is higher than any reported previously for biofilters or biotrickling filters. Thus, MBfR is a promising technology and can be used for the treatment of mixture of compounds operated under optimum ratios.
在这项研究中，报告了在膜生物膜反应器（MBfR）中去除二甲硫醚（DMS）蒸气以及甲醇（MeOH）存在的影响。连续流动实验的结果表明，甲醇对 DMS 生物降解有积极影响（最高可达 1.3 倍）。在没有添加甲醇的时期，MBfR 的性能下降，这表明在 MBfR 中添加甲醇是维持高 DMS 去除率所必需的。在这项研究中，在最佳甲醇剂量为 1.1-2.3 g m(-3)时，观察到最大消除容量（EC）为 6.2 kg DMS m(-3) d(-1)。观察到的 EC 高于以前报道的生物过滤器或生物滴滤器的任何值。因此，MBfR 是一种很有前途的技术，可用于处理在最佳比例下运行的混合物化合物。
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