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MIBR- nanofiltration membrane fouling and system cleaning


0%. Therefore, in addition to that small part of the membrane is microbial contamination ,tods shoes outlet, bacterial contamination, mainly colloidal , dissolved solids pollution. In addition, because the larger the area of water hardness ,herve leger sale, and some calcium carbonate , calcium sulfate , magnesium sulfate deposition and other pollution . Consider the reasons , then the use of pH = 2 HCl solution cleaning , washing as above, and stable operation after reading the freshwater flow and operating pressure values. After washing with acid nanofiltration membrane flux recovery to about 90% , indicating that membrane fouling is mainly colloidal ,Beats By Dre Headphones, dissolved solids and some of the hardness ions pollution , acid flux recovery after cleaning well . '1 -2 A l-. 0.8 Yuan Mino . · 2o. o After the acid wash before alkaline cleaning flux after cleaning the initial 4 test 5 nanofiltration cleaning operation and management considerations of the system management considerations mainly for MIBR and nanofiltration operation and management . MIBR and nanofiltration membrane operating parameters should be strictly in accordance with the parameters specified by the manufacturer under the operation of the sewage out of the water should also be provided in accordance with the scope of film run . The intelligent control system can be unmanned , but to prevent membrane fouling , the system set daily dosing of disinfectants , corrosion inhibitor and scale inhibitor , the daily backwash of nanofiltration , membrane should be run when the monitor the indicators , if the data show that membrane has been contaminated , wash steps should be taken . If the system is suspended to deal with membrane protection against microbial growth . 6 Conclusion 1 ) The trial MIBR and MBR membrane , the ratio of chemical cleaning agents for cleaning of the best films . 2) MIBR Because of its advantages , light pollution than the MBR membrane and washed with the same methods , MIBR membrane cleaning works well , up 92.9% . 3 ) the nature of the processing liquid membrane cleaning method of choice is key , through the nanofiltration membrane cleaning and local water quality analysis has been ,Salvatore Ferragamo outlet, washed with acid water for such a film better.
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