针对淹没式MBR的工艺特点,以反应器内物料衡算为基础,建立了有机物去除的动力学模型--ROM模型,得出淹没式MBR对有机底物的去除速率Uy不仅与进、出水中的有机底物质量浓度S0、Se和水力停留时间tH有关,还与膜组件去除的有机底物质量浓度Sm、污泥停留时间tS有关.利用ROM模型,可以预测反应器内活性污泥浓度X,确定污泥停留时间tS和不排泥条件下反应器内的最大活性污泥浓度Xmax.试验中以啤酒厂废水为例,对模型进行了验证,试验结果与模型计算结果基本一致.
参考文献
| [1] | Davies WJ.;Heath CR.;Le MS. .Intensified activated sludge process with submerged membrane microfiltration[J].Water Science and Technology,1998(4/5):421-428. |
| [2] | Lu SG.;Ukita M.;Sekine M.;Higuchi T.;Fukagawa M.;Imai T. .A model for membrane bioreactor process based on the concept of formation and degradation of soluble microbial products[J].Water research: A journal of the international water association,2001(8):2038-2048. |
| [3] | Lee Yonghun;Cho Jinwoo Cho;Seo Youngwoo et al.Modelingofsubmergedbioreactorprocessforwastewatertreatment[J].Desalination,2002,146:451-457. |
| [4] | Gunther Gehlert;Jobst Hapke .Mathematical modeling of a continuous aerobic membrane bioreactor for the treatment of different kinds of wastewater[J].Desalination: The International Journal on the Science and Technology of Desalting and Water Purification,2002(1/3):405-412. |
| [5] | Wisniewski C.Kineticsoforganiccarbonremovalbyamixedcultureinamembranebioreactor[J].Biochemical Engineering Journal,1999(03):61-69. |
| [6] | 张立秋 .膜生物反应器在生活污水处理和回收再用中的实验研究[D].哈尔滨工业大学,2001. |
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