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Advanced biosorbents materials for removal of chromium from water and wastewaters
Author(s) -
Sahmoune Mohamed Nasser,
Louhab Krim,
Boukhiar Aissa
Publication year - 2011
Publication title -
environmental progress and sustainable energy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.495
H-Index - 66
eISSN - 1944-7450
pISSN - 1944-7442
DOI - 10.1002/ep.10473
Subject(s) - biosorption , chromium , biomass (ecology) , wastewater , environmental science , waste management , pulp and paper industry , sewage treatment , raw material , chemistry , environmental chemistry , environmental engineering , adsorption , engineering , sorption , biology , ecology , organic chemistry
As we known, it is very expensive and ineffective to remove chromium ions from wastewaters using conventional methods when the chromium concentration is low (1–100 mg L −1 ). Thus, it is very necessary to develop alternative technologies now. A biosorption technology in which dead biomass is used to accumulate chromium is a method that can replace conventional processes for remediating chromium pollution in wastewaters. Biosorbents are prepared from naturally abundant and/or waste biomass. Because of the high uptake capacity and very cost‐effective source of the raw material, biosorption is a progression toward a perspective method. An overview of advanced biosorbents for the removal of chromium is reported with special emphasis on the recent investigations on biosorption of chromium in water and wastewater. © American Institute of Chemical Engineers Environ Prog, 2011.