Application of Activated Carbon in the Removal of COD in Zero-emission Reverse Osmosis Concentrate

查看全文 作　　者：Li [1]Jun;Liu [1]Xiaojing;Tian [1]Lei;Zhu [1]Haichen;Li [1]Mengjun

机构地区：[1]Shaanxi Industry Water Treatment Research Centre of Engineering Technology,Shaanxi Research Design Institute of Petroleum and Chemical Industry

出　　处：《Meteorological and Environmental Research》索引2019年第10卷第6期,共4页

基　　金：Supported by Industrial Water Treatment Engineering Technology Innovation Team,Shaanxi Science and Technology Innovation Team(2015KCT-22) 摘　　要：For further reducing the load of subsequent processing,the activated carbon adsorption method was used to remove organic compounds from reverse osmosis water concentrate,and the influence of variety of activated carbon,residence time,dosage of activated carbon and p H on the removal rate of COD was studied.The results show that the removal rate of COD was up to 61.8%under the conditions of influent p H=6,400 ml water,30 min of residence time and 1.5 g of 2#activated carbon as the adsorbent.In the dynamic adsorption experiment and field application,the adsorption tower was loaded with 40 tons of 2#activated carbon,and the inflow of influent water was 100 m^3/h;average COD was 142 mg/L,and p H was 8.04;the residence time was 36 min.Under the above conditions,when effluent COD was less than 60 mg/L,the adsorption capacity of activated carbon was up to 1330 m^3/t. 关键词：REVERSE osmosis CONCENTRATE COD ACTIVATED carbon ADSORPTION performance

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Application of Activated Carbon in the Removal of COD in Zero-emission Reverse Osmosis Concentrate

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