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针对西北地区一综合炼油厂含硫污水管线的严重腐蚀问题,分析了腐蚀原因,确立了材料筛选方案,通过实验室静态挂片试验绘制了重量损失率变化曲线和现场挂片等试验手段,筛选推荐出了树脂玻璃钢耐蚀材料。工业生产应用结果表明,MFE-2型树脂玻璃钢是适用于该厂含硫污水系统的耐蚀材料,为类似装置的长周期运行提供了借鉴和经验。 相似文献
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采用乳化液膜法处理电解锰废水,考察制乳条件和提取条件对去除效果的影响。研究结果表明最佳制乳条件为:4%(V/V)span-80做表面活性剂,3%二(2-乙基己基)磷酸酯做载体,柴油做膜溶剂,用NaOH调节内水相pH为12,制乳时间为10 min,油内比2∶1;最佳提取条件:外水相pH为6~7、乳水比1∶10、提取时间10 min。制得的乳化液膜对电解锰废水中的Mn2+去除率可高达99.99%,出水Mn2+浓度低于2mg/L,实现水质达标排放。 相似文献
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铁—草酸盐络合物的光解对水溶性染料脱色作用的研究 总被引:9,自引:0,他引:9
进行了铁-草酸盐络合物在紫外光照射下,对水溶性染料的光解脱色研究。结果表明,在pH=4.Fe/C2O^2-4=20μmol.L^-1/240μmol.L^-1的条件下,铁-草酸盐络合物/UV对20mg/L染料的混合溶液的脱色率为43.1%,有一定的脱色效果。 相似文献
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CAO Nan MIAO Tingting LI Kuixiao ZHANG Yu YANG Min . State Key Laboratory of Environmental Aquatic Chemistry Research Center for Eco-Environmental Sciences Chinese Academy of Sciences Beijing China.. Material Science Technology Institute Beijing Forestry University Beijing China 《环境科学学报(英文版)》2009,(4)
The effects of ozonation on the formation potential of typical disinfection byproducts (DBPs) and the changes of genotoxicity during post chlorination of tertiary effluent from a sewage treatment plant were investigated. Ozonation enhanced the yields of all detected chlorine DBPs except CHCl3. At a chlorine dose of 5 mg/L, the three brominated THMs and five HAAs increased, while chloroform decreased with the increase of ozone dose from 0 to 10 mg/L (ozone dose in consumption base). At a chlorine dose of 10 ... 相似文献
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Effect of organic carbon on nitrification effciency and community composition of nitrifying biofilms
HU Jie LI Daping LIU Qiang TAO Yong HE Xiaohong WANG Xiaomei LI Xudong GAO Ping.Center for Applied Environmental Microbiology Chengdu Institute of Biology Chinese Academy of Sciences Chengdu China..School of Life Science Sichuan University Chengdu China .Graduate University of the Chinese Academy of Sciences Beijing China 《环境科学学报(英文版)》2009,(3)
The effects of organic carbon/inorganic nitrogen(C/N) ratio on the nitrification processes and the community shifts of nitrifying biofilms were investigated by kinetic comparison and denaturing gradient gel electrophoresis(DGGE) analysis.The results showed that the nitrification rate decreased with an increasing organic concentration.However,the effect became weak when the carbon concentration reached a suffciently high level.Denitrification was detected after organic carbon was added.The 12 h ammonium remo... 相似文献
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