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- W2391543030 abstract "Column adsorption experiments were performed to determine dynamic adsorption of hexavalent chromium onto coated materials with organic bentonite modified by ferric trichloride,which would provide some basis for engineering application of modified material.Organic bentonite was modified by ferric trichloride to increase adsorption of hexavalent chromium on original organic bentonite.Pressure loss increased if modified material was directly filled in the column for small particle size,therefore activated carbon and 4A molecular sieve were coated with modified organic bentonite and the coated materials were filled in the adsorption column for dynamic adsorption,desorption and regeneration.The concentration of Cr(Ⅵ)in effluent was determined at different times.The results showed that organic bentonite modified by ferric tricholoride improved the adsorption ability of original organic bentonite for hexavalent chromium,and the two coated materials reduced the circulation resistance of solution in the adsorption column.The dynamic adsorption followed modified Thomas model.The coated materials were easily desorbed and regenerated and kept high adsorption after desorption and regeneration also.The adsorption ability of coated activated carbon was higher than that of coated 4A molecular sieve." @default.
- W2391543030 created "2016-06-24" @default.
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- W2391543030 date "2013-01-01" @default.
- W2391543030 modified "2023-09-27" @default.
- W2391543030 title "Dynamic Adsorption of Hexavalent Chromium onto Coated Materials with Organic Bentonite Modified by Ferric Trichloride" @default.
- W2391543030 hasPublicationYear "2013" @default.
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