非均相催化臭氧氧化深度处理造纸废水的性能  

Advanced treatment of paper-making wastewater by heterogeneous catalytic ozonation

作　　者：庄海峰[1,2,3] 黄海丽 徐科龙 张云金 袁小利[1] 韩洪军[3] 

机构地区：[1]浙江科技学院浙江省废弃生物质循环利用与生态处理技术重点实验室,浙江杭州310023 [2]衢州市常山县农村能源办公室,浙江衢州324200 [3]哈尔滨工业大学市政环境工程学院,黑龙江哈尔滨150090

出　　处：《工业水处理》2017年第6期30-34,共5页Industrial Water Treatment

基　　金：浙江省公益技术研究社会发展项目(2016C33108);浙江省重大科技专项重点农业项目(2015C02037);浙江省自然科学基金项目(LQ17E080008)

摘　　要：采用农业废弃物水稻秸秆制备秸秆基活性炭,将其负载过渡金属Mn和Fe作为臭氧催化剂。采用正交试验考察了制备参数对其催化活性的影响,结果表明,最佳制备条件:浸渍时间为12 h,热解温度为500℃,热解时间为3 h。以制备的催化剂催化臭氧氧化深度处理造纸废水,COD和色度平均去除率分别为74.3%和80.5%,处理出水达到《城镇污水处理厂污染物排放标准》(GB 18918—2002)的一级A排放标准。制备的催化剂稳定性高且经济环保,适于造纸废水深度处理的工程应用。Rice straw derived activated carbon has been made from agricultural waste rice straws,and the rice strawderived activated carbon-loaded transition metals Mn and Fe have been used as catalysts.Using orthogonal tests,the influences of preparation parameters on its catalytic activity are investigated.The results show that the optimumpreparation conditions are as follows：immersion time is 12 h,pyrolysis temperature 500 ℃,and pyrolysis time 3 h.The prepared catalyst is used for catalyzing ozonation in the advanced treatment of paper-making wastewater.Theaverage removing rates of COD and chroma are 74.3% and 80.5%,respectively,and the treated effluent can reachLevel l A discharge standard specified in the＂Discharge Standard of Pollutants in Urban Wastewater TreatmentPlants＂（GB 18918—2002）.The stability of the prepared catalysts are high and economically environment-friendly,and suitable for its engineering application to the advanced treatment of paper-making wastewater.

关 键 词：秸秆基活性炭 造纸废水 催化臭氧氧化 催化剂 

分 类 号：X703.1[环境科学与工程—环境工程]