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Bromate removal by activated carbon adsorption： material selection and impact factors study

ISSN号：0493-2137
期刊名称：《天津大学学报：自然科学与工程技术版》
时间：0
分类：X703.1[环境科学与工程—环境工程]
作者机构：[1]National Engineering Research Center of Urban Water Resources, School of Municipal ＆ Environmental Engineering, Harbin Institute of Technology, Harbin 150090, China, [2]School of Chemistry and Material Sciences, Heilongjiang University, Harbin 150080, China
相关基金：Sponsored by High-Tech Research and Development Program （Grant No. 2006AA06Z311 ）, National Creative Research Groups （Grant No. 50821002）, National Science and Technology Support Funding （Grant No. 2006BAJ08B0 ） and Project Supported by Development Program for Outstanding Young Teachers in Harbin Institute of Technology（ HITQNJS. 2008. 044）.

作者：刘彤冕[1], 赵志伟[1], 崔福义[1], 刘冬梅[1], 王欢[1], 朱琦[1,2]

中文摘要：

Studies are conducted by using activated carbon process aimed at bromate removal from the raw water.Screening of activated carbon for bromate removal was performed in different activated carbons.GAC Merck possesses the highest iodine number and surface area,the highest number of basic groups and Vmeso,thereby contains the highest adsorption velocity and adsorption capacity.Impact factors of bromate removal on activated carbon were studied.Through static absorption experiments we studied the effect of adsorption time,pH,temperature,anions and organic matter on bromate removal.With the decrease of pH,removal of bromate enhanced,suggests that it may be possible to increase bromate reduction through pH control.The increase of temperature will be favorable to adsorption of bromate on activated carbon.Anions and organic matter can inhibit the adsorption of bromate on activated carbon through competing active sites.Bromate removal can be improved by controlling key water quality parameters.

英文摘要：

Studies are conducted by using activated carbon process aimed at bromate removal from the raw water. Screening of activated carbon for bromate removal was performed in different activated carbons. GAC Merck possesses the highest iodine number and surface area, the highest number of basic groups and Vm thereby contains the highest adsorption velocity and adsorption capacity. Impact factors of bromate removal on activated carbon were studied. Through static absorption experiments we studied the effect of adsorption time, pH, tem- perature, anions and organic matter on bromate removal. With the decrease of pH, removal of bromate en- hanced, suggests that it may be possible to increase bromate reduction through pH control. The increase of temperature will be favorable to adsorption of bromate on activated carbon. Anions and organic matter can inhibit the adsorption of bromate on activated carbon through competing active sites. Bromate removal can be improved by controlling key water quality parameters.

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