MICROFILTRATION OF SOUR WASTEWATER USING NATURAL ZEOLITE CERAMIC MEMBRANEANWAR MA’RUF, MOHAMMAD AGUS SALIM AND WISNU PRATOPO YUWONOAbstract The Refinery process of fuel oil will produce sour wastewater which contains high of hydrogen sulfide (H2S) and ammonia. Commonly, before being discharged into the effluent, the wastewater was treated in the sour water stripper (SWS) unit. The Refinery process of fuel oil will produce sour wastewater which contains high of hydrogen sulfide (H2S) and ammonia. Commonly, before being discharged into the effluent, the wastewater was treated in the sour water stripper (SWS) unit. The purposes of this study is to determine the application of ceramic membrane from natural zeolite for microfiltration of sour wastewater and to study the fouling mechanism. The flat sheet ceramic membrane was used in this research with the cross-flow model. The result of the research shows that rejection coefficient of the membrane is 86.2% at the pressure of 4 bar. Cake formation fouling can be used to describe the fouling mechanism of the membrane. The value of the cake formation constant increases by 150% / bar.
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