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作 者:吴宣章 孙婷婷 孔德宁 仝坤 韩洋 薛男 WU Xuanzhang;SUN Tingting;KONG Dening;TONG Kun;HAN Yang;XUE Nan(CNPC Environmental Engineering Company of Liaohe Oilfield,Panjin 124010,China;CNPC Safety and Environmental Technology Research Institute Co.,Ltd.,Beijing 102206,China)
机构地区:[1]中国石油辽河油田分公司环境工程公司,辽宁盘锦124010 [2]中国石油安全环保技术研究院有限公司,北京102206
出 处:《化工环保》2024年第5期744-749,共6页Environmental Protection of Chemical Industry
基 金:中国石油天然气集团公司基础研究项目(2023ZZ1303);中国石油天然气集团公司项目(2021DJ6605,RISE2023KY01);辽河油田公司重大科技专项(2023KJZX-05-03)。
摘 要:采用生化—电催化氧化—炭吸附组合工艺处理钻井水基泥浆压滤液。以COD为主要指标、其他污染物为辅助指标,考察去除效果,采用GC-MS和FTIR分析有机物的去除历程,XRF分析元素变化。表征结果显示,组合工艺可去除大部分有机物,顺-7-十四碳乙酸酯、3-氨基-6-甲基吡啶-2(1H)-酮和2-癸基噻吩是本工艺难去除的有机物。实验结果表明:水基泥浆压滤液经组合工艺处理后,出水COD小于50 mg/L,各项指标均可达到辽宁省《污水综合排放标准》(DB 21/1627—2008);经组合工艺处理后,压滤液中Ca、C、Cl、S、O元素含量降低。A biodegradation-electrocatalytic oxidation-carbon adsorption combination process was used to treat the water-based drilling mud filtrate.COD was used as the main indicator,and other pollutants were used as auxiliary indicators.The removal process of organic matter was analyzed by GC-MS and FTIR,and elemental changes were analyzed by XRF.The characterization results show that most organic matters can be removed by this combination process,but cis-7-tetradecyl acetate,3-amino-6-methylpyridin-2(1H)-one,and 2-decylthiophene are organic matters that are difficult to be removed by this combination process.The experimental results show that COD in the effluent of the water-based drilling mud filtrate treated by this combination process is less than 50 mg/L,and all indicators can meet the standard of DB 21/1627—2008.The content of elements Ca,C,Cl,S,and O in the filtrate decreases after the treatment of the combination process.
关 键 词:水基泥浆压滤液 电催化氧化 生物降解 活性炭吸附
分 类 号:X703[环境科学与工程—环境工程]
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