Bromate removal by activated carbon adsorption:material selection and impact factors study
LIU Tong-mian1, ZHAO Zhi-wei1, CUI Fu-yi1, LIU Dong-mei1, WANG Huan1, ZHU Qi1,2
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
Abstract:
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.
Key words: bromate activated carbon adsorption impact factors
DOI：10.11916/j.issn.1005-9113.2011.05.015
Clc Number:X703.1
Fund:
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Bromate removal by activated carbon adsorption:material selection and impact factors study
本站小编 哈尔滨工业大学/2019-10-23
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