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The present investigation deals with the sorption of Cr(VI) onto a marine brown algae Sargassum myriocystum in batch reactors. Response surface methodology (RSM) was used for the optimization of variables like pH, sorbent dosage (g/L), agitation speed (rpm) and contact time (min). A maximum percentage removal of Cr(VI) by Sargassum myriocystum occurs at the following conditions: pH - 5.2; sorbent...
The adsorption behaviors of Cr(VI) on laterite from Guizhou Province were studied in this paper, and the adsorption mechanism was discussed as well. Results showed that different mineral compositions in the laterite would cause differences in the capacity of laterite to absorb Cr(VI). Gibbsite, iron oxide minerals and non-crystalloids are the main contributors to enhancing the capacity of laterite...
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