A forward osmosis membrane bioreactor/reverse osmosis combined fresh water increment method
A technology of bioreactor and forward osmosis membrane, applied in osmosis/dialysis water/sewage treatment, chemical instruments and methods, general water supply saving, etc. Improve the water recovery rate, improve the system water recovery rate, and prolong the effect of membrane service life
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[0016] The present invention will be further described below in conjunction with the accompanying drawings.
[0017] A forward osmosis membrane bioreactor / reverse osmosis combined fresh water increment method, which includes the following steps: setting the first-stage forward osmosis membrane module 3 and the second-stage forward osmosis membrane module 7 in the forward osmosis membrane bioreactor 6 , the sewage water flow B pretreated by the sewage preprocessor 2 is input into the forward osmosis membrane bioreactor 6 and the first-stage forward osmosis membrane module 3 and the second-stage forward osmosis membrane module 7 are submerged, and will pass through the seawater pretreatment 1 The pretreated seawater flow A is input to the first-stage forward osmosis membrane module 3, the output water flow C is boosted by the booster pump 4, and then input to the reverse osmosis membrane module 5 for liquid membrane separation, and the output product flow D passes through the ste...
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