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膜生物反应器处理工艺在综合医院污水站改造中的应用 被引量:1
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作者 王文婷 杨德勇 焦军胜 《基础医学与临床》 2022年第3期541-544,共4页
通过对北京协和医院污水站改造进行实例分析,对比研究改造前后一级处理工艺和膜生物反应器(MBR)处理工艺的出水水质,从方案选择、工艺流程和设备选型等方面研究MBR处理工艺在综合医院污水处理的应用。结果表明,改造后的MBR处理工艺在化... 通过对北京协和医院污水站改造进行实例分析,对比研究改造前后一级处理工艺和膜生物反应器(MBR)处理工艺的出水水质,从方案选择、工艺流程和设备选型等方面研究MBR处理工艺在综合医院污水处理的应用。结果表明,改造后的MBR处理工艺在化学需氧量、生物需氧量、悬浮物及氨氮的去除率均有显著提高,出水可满足稳定达标排放要求。由此得出,MBR处理工艺具有出水水质好、设备紧凑、占地小等优点,在医院污水站改造条件有限且对出水水质要求严格的情况下,建议采用该工艺。 展开更多
关键词 生物反应器(MBR)处理工艺 污水站 改造
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别墅厨房一体化污水处理提升装置的应用
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作者 李菊明 《建材与装饰》 2019年第25期187-188,共2页
随着国家和人们对环保意识的日益加强,环境保护越来越受到人们的重视,通过对佛山某小区负一层别墅厨房污水处理的分析和设置,从一个侧面说明了环境保护不再是国家和政府责任,最终必将落实到家家户户上,成为每一个人的责任。
关键词 厨房油污垃圾 生物反应器处理工艺 处理 环境保护 提升
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Evaluation of the Influence of Extracellular Polymeric Substances on the Mass Transport of Substrate within Multispecies Biofilms 被引量:1
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作者 曹宏斌 李鑫钢 +2 位作者 姜斌 孙津生 张懿 《Chinese Journal of Chemical Engineering》 SCIE EI CAS CSCD 2004年第4期590-594,共5页
A model, for evaluating the effect of porosity and volume fraction of extracellular polymeric substances (EPS) within multispecies biofilms on the effective diffusivity, is developed and experimentally validated, base... A model, for evaluating the effect of porosity and volume fraction of extracellular polymeric substances (EPS) within multispecies biofilms on the effective diffusivity, is developed and experimentally validated, based on the extraction of EPS from intact biofilms. The amount of EPS in biofilms significantly affects the effective diffusivity. For biofilms with porosity of 77%—95% in the top layers and 54%—58% in the bottom layers, the value of De/Dw decreases from 0.52—0.83 in the top layers to 0.23—0.31 in the bottom layers. Generally, the effective diffusivity in the heterotrophic/autotrophic biofilms is slightly lower than that in the heterotrophic biofilms, due to the lower porosity in the heterotrophic/autotrophic biofilms. 展开更多
关键词 bionlm extracellular polymeric substance effective diffusivity
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Advances in Energy-Producing Anaerobic Biotechnologies for Municipal Wastewater Treatment 被引量:5
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作者 Wen-Wei Li Han-Qing Yu 《Engineering》 SCIE EI 2016年第4期438-446,共9页
Municipal wastewater treatment has long been known as a high-cost and energy-intensive process that destroys most of the energy-containing molecules by spending energy and that leaves little energy and few nutrients a... Municipal wastewater treatment has long been known as a high-cost and energy-intensive process that destroys most of the energy-containing molecules by spending energy and that leaves little energy and few nutrients available for reuse, Over the past few years, some wastewater treatment plants have tried to revamp themselves as "resource factories," enabled by new technologies and the upgrading of old technologies. In particular, there is an renewed interest in anaerobic biotechnologies, which can convert organic matter into usable energy and preserve nutrients for potential reuse. However, considerable technological and economic limitations still exist. Here, we provide an overview of recent advances in several cutting-edge anaerobic biotechnologies for wastewater treatment, including enhanced side- stream anaerobic sludge digestion, anaerobic membrane bioreactors, and microbial electrochemical systems, and discuss future challenges and opportunities for their applications. This review is intended to provide useful information to guide the future design and optimization of municipal wastewater treatment processes. 展开更多
关键词 ANAEROBIC ENERGY Membrane bioreactor Microbial electrochemical system Municipal wastewater treatment
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