The waste polyethylene terephthalate bottle chip washing wastewater was the wastewater of high concentration alkaline and hard degradation.By cross-flow filtration methods with ceramic membrane with pore sizes of 50 nm,200 nm and 500 nm,the removal rate of SS and turbidity were over 99%.The separated liquid was clear and transparent after 24 h.The removal rate of COD was from 40.5% to 43.3%.The permeability performance of ceramic membrane on the dissolved solids was better.The parameter optimization test re...
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