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Integration of ceramic membrane microfiltration with powdered activated carbon for advanced treatment of oil-in-water emulsion

机译：陶瓷膜微滤与粉末状活性炭的集成，用于水包油乳液的深度处理

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An integration process of ceramic membrane microfiltration (MF) with powdered activated carbon (PAC) was used to treat the oil-in-water emulsion in order to enhance the treatment efficiency. The role of PAC addition in flux enhancement mechanisms was investigated in detail. Results showed that the membrane flux for this system with particles was obviously higher than that of the oil-in-water emulsion alone. Combined with FESEM and EDS analyses, it was concluded that the gel layer formed on the membrane surface could be obviously reduced due to the mechanical scouring effect of particles according to the estimation of hydrodynamic forces, resulting in a higher membrane flux. The addition of PAC had no obvious effect on the removal efficiency of TOC and p-xylene, and they were removed about 96% in all cases. In short, the results of the present study demonstrated that the use of PAC as an additive in the integrated MF-PAC system was effective to mitigate membrane fouling and as a result increased the membrane flux because of scouring action.
机译：为了提高处理效率，采用了陶瓷膜微滤（MF）与粉状活性炭（PAC）的集成工艺来处理水包油乳液。详细研究了PAC在通量增强机制中的作用。结果表明，具有颗粒的该系统的膜通量明显高于单独的水包油乳液的膜通量。结合FESEM和EDS分析，得出的结论是，根据水动力估算，由于颗粒的机械冲刷作用，膜表面形成的凝胶层明显减少，从而导致较高的膜通量。 PAC的添加对TOC和对二甲苯的去除效率没有明显影响，在所有情况下它们的去除率约为96％。简而言之，本研究的结果表明，在集成的MF-PAC系统中使用PAC作为添加剂可有效减轻膜结垢，并由于冲刷作用而增加了膜通量。

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