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基于均匀设计的类Fenton's体系去除污染土壤中蒽和芘的研究 被引量:12
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作者 李森 张杨 +2 位作者 罗勇 商照聪 徐静安 《环境科学学报》 CAS CSCD 北大核心 2015年第4期1157-1163,共7页
分别以乳酸、L-酒石酸、柠檬酸为助剂,将其添加至类Fenton's体系中去除污染土壤中的蒽和芘等多环芳烃.结果发现,以柠檬酸为助剂时,多环芳烃的去除率为83.75%.同时,以均匀实验设计法考察了H2O2用量、Fe SO4用量、反应温度、反应时间... 分别以乳酸、L-酒石酸、柠檬酸为助剂,将其添加至类Fenton's体系中去除污染土壤中的蒽和芘等多环芳烃.结果发现,以柠檬酸为助剂时,多环芳烃的去除率为83.75%.同时,以均匀实验设计法考察了H2O2用量、Fe SO4用量、反应温度、反应时间、水土比、柠檬酸用量和多环芳烃染毒浓度对多环芳烃去除率的影响.实验数据和结果经DPS(Data Processing Station)软件处理后得到多环芳烃去除率与各反应因素之间的回归方程,经随机验证实验和计算结果对比表明,该回归方程的拟合误差低于5%,具有精确的预报性. 展开更多
关键词 fenton's体系 均匀设计法
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Fenton treatment of olive oil mill wastewater—applicability of the method and parameters effects on the degradation process 被引量:2
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作者 Bensalah Nasr Bedoui Ahmed Gadri Abdellatif 《Journal of Environmental Sciences》 SCIE EI CAS CSCD 2004年第6期942-944,共3页
The low biodegradability of polyphenolic compounds typically found in olive processing indicated that biological treatment is not always successful in the treatment of olive oil mill wastewater in term of COD removal.... The low biodegradability of polyphenolic compounds typically found in olive processing indicated that biological treatment is not always successful in the treatment of olive oil mill wastewater in term of COD removal. In this study the results of investigations on the applicability of Fenton's reagent in the treatment of this effluent were discussed. The efficiency of this method was determined. 86 % of removal COD was obtained using 5 mol H 2O 2 and 0.4 mol Fe 2+ per liter of crude OMW. The main parameters that govern the complex reactive system, i.e., time, pH, [H 2O 2] and [Fe(II)] were studied. 展开更多
关键词 olive oil mill wastewater fenton's reagent organic compounds removal COD
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