云南高校图书馆联盟文献共享服务平台- BACKWASHING

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Impacts of backwashing on micropollutant removal and associated microbial assembly processes in sand filters: 《Frontiers of Environmental Science & Engineering》2023年第3期87-92,共6页Donglin Wang Jie Zhou Hui Lin Junwen Chen Jing Qi Yaohui Bai Jiuhui Qu; the National Key R&D Program of China(No.2018YFE0204101);the National Natural Science Foundation of China(No.51778603);the Alliance of International Science Organizations(ANSO-CR-KP-2020-05).; Backwashing is crucial for preventing clogging of sand filters.However,few studies have investigated the effect of backwashing on micropollutant removal and the dynamic changes in the microbial community in sand filte...; 关键词：Sand filter BACKWASHING RECOVERY MICROPOLLUTANTS Community composition

Membrane Fouling Alleviation by Chemically Enhanced Backwashing in Treating Algae-Containing Surface Water: From Bench-Scale to Full-Scale Application被引量：1: 《Engineering》2022年第12期40-49,共10页Xiaobin Tang Tiecheng Guo Haiqing Chang Xiao Yue Jinlong Wang Haikuan Yu Binghan Xie Xuewu Zhu Guibai Li Heng Liang; The authors acknowledge the financial support from the National Natural Science Foundation of China(51778170);State Key Laboratory of Urban Water Resource and Environment(2020DX04);Fundamental Research Funds for the Central Universities,China Postdoctoral Science Foundation(2019M651290);Heilongjiang Postdoctoral Science Foundation(LBH-Z19153).; Ultrafiltration(UF)has been increasingly implemented in drinking water treatment plants;however,algae and their secretions can cause severe membrane fouling and pose great challenges to UF in practice.In this study,a ...; 关键词：Ultrafiltration Membrane fouling Hydraulically irreversible membrane fouling Chemically enhanced backwashing(CEB) Algae-containing surface water

Application of Submerged Ultrafiltration in Pretreatment of Flue Gas Desulfurization Wastewater: 《Energy Engineering》2022年第6期2277-2296,共20页Jiageng Zhang Zhengfeng Wang Jiguang Huang Chao Cheng Heng Zhang Dan Gao; supported by National Key R&D Program of China(2018YFB0604300);Key Research and Development Program of Hebei Province(19273606D).; Nowadays,the zero liquid discharge of flue gas desulfurization(FGD)wastewater from coal-fired units has attracted the attention of all countries in the world.The pretreatment methods generally have the problems of hig...; 关键词：FGD wastewater PRETREATMENT submerged ultrafiltration permeate flux aeration rate BACKWASHING membrane fouling

Comparisons of the film peeling from the composite oxides of quartz sand filters using ozone, hydrogen peroxide and chlorine dioxide被引量：6: 《Journal of Environmental Sciences》2015年第8期20-27,共8页Yingming Guo Tinglin Huang Gang Wen Xin Cao; supported by the National Natural Science Foundation of China (Nos.51278409, 51308438);the Natural Science Foundation of Shaanxi Province (No.2014JZ015);the Research Program of China State Construction Engineering Corporation Ltd.(No.CSCEC-2014-Z-32); To solve the problem of shortened backwashing intervals in groundwater plants, several disinfectants including ozone（O3）, hydrogen peroxide（H2O2） and chlorine dioxide（Cl O2）were examined to peel off the film fro...; 关键词：Pilot-scale Ozone Hydrogen peroxide Chlorine dioxide Backwashing interval

Membrane flux dynamics in the submerged ultrafiltration hybrid treatment process during particle and natural organic matter removal被引量：2: 《Journal of Environmental Sciences》2011年第12期1970-1976,共7页Wei Zhang Xiaojian Zhang Yonghong Li Jun Wang Chao Chen; supported by the National Key Technology R&D Program in the 11th-Five Year Plan of China (No.2006BAD01B03); Particles and natural organic matter （NOM） are two major concerns in surface water, which greatly influence the membrane filtration process. The objective of this article is to investigate the efiect of particles, N...; 关键词：ULTRAFILTRATION membrane flux PARTICLES natural organic matter hybrid process BACKWASHING

Simultaneous Carbon and Nitrogen Removal in Wastewater Treatment Using a Partially Packed Biological Aerated Filter （BAF） without Backwashing Process: 《Journal of Environmental Science and Engineering》2010年第7期15-23,共9页Z. Amir S. Fatihah M. Denecke S.M. Zain; Biological aerated filter （BAF） is an advanced oxidation process that can sustain high volumetric loads with high quality effluent. However, backwashing process needed for the system limits its applicability. This s...; 关键词：BAF carbon removal NITRIFICATION BACKWASHING C：N ratio

Application of a novel backwashing process in upflow biological aerated filter被引量：7: 《Journal of Environmental Sciences》2010年第3期362-366,共5页Jinshui Yang Weijie Liu Baozhen Li Hongli Yuana Meiping Tong Jinsong Gao; supported by the National Natural Science Foundation of China (No. 30700010);the Eleventh Five-Year Plan National Key Technology R&D Program of China (No. 2006BAD07A01);the National Gongyixing Hangye Kejizhuanxiang (No. 200803033);the Special Program for Water Pollution Control of Taihu Lake in Jiangsu Province (No. BK2007741); To improve the efficiency of backwashing in upflow biological aerated filter （BAF）, a novel backwashing process named air-water siphon backwashing （AWSB） was proposed and applied on laboratory scale. The effects o...; 关键词：biological aerated filter air-water siphon backwashing chemical oxygen demand

Effect of powdered activated carbon on Chinese traditional medicine wastewater treatment in submerged membrane bioreactor with electronic control backwashing被引量：9: 《Journal of Environmental Sciences》2007年第9期1037-1042,共6页LIU Xiao-lei REN Nan-qi MA Fang; Project supported by the Hi-Tech Research and Development Program(863)of China(No. 2002AA601310).; Chinese traditional medicine wastewater, rich in macromolecule and easy to foam in aerobic biodegradation such as Glycosides, was treated by two identical bench-scale aerobic submerged membrane bioreactors （SMBRs） o...; 关键词：electronic control backwashing powdered activated carbon membrane bioreactor aerobic process wastewater treatment

Fouling Characteristics and Prevention Techniques for Membrane Bioreactor: 《Journal of China University of Mining and Technology》2005年第1期36-40,共5页LUHua WANGZhi-qiang YANGJin-ying; Membrane fouling is the main problem of membrane bioreactors (MBR), which seriously influ- ences its wastewater treatment effect and running. The characteristics of microbiology and hydrodynamics concerning membrane f...; 关键词：membrane bioreactor (MBR) membrane fouling membrane fouling index BACKWASHING ratio of gas to permeated effluent

Biomass and microbial activity in a biofilter during backwashing: 《Journal of Zhejiang University-Science B(Biomedicine & Biotechnology)》2005年第5期427-432,共6页白宇张杰李一凡郜玉楠李泳; Project (No. 2002BA806B04) supported by the National Techno-logical Research Program of China; Biomass and microbial activity in backwashing processes of a biofilter for tertiary treatment were investigated. The microbial groups revealed new distribution along the biofilter depth after low flow rate backwashing...; 关键词：BIOFILTER BACKWASHING BIOMASS Microbial activity Oxygen demand

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