Journal of hazardous materials 146 2007 270277 biosorption of chromium and nickel by heavy metal resistant fungal and bacterial isolates shankar congeevarama. Biosorption of chromium in aqueous solutions using bivalve mollusk shells through central composite design ccd model. Biosorption and biotransformation of hexavalent chromium. The total chromium content was determined in an atomic absorption spectrometer varian, spectraa 200. Biosorption of trivalent and hexavalent chromium from aqueous systems using shelled moringa oleifera seeds article in chemical speciation and bioavailability 194. Abstract this paper aims to evaluate the cr vi removal efficiency of dead fungal biomass of phanerochaete crysosporium as a new biosorbent. The hexavalent chromium biosorption equilibrium could be better described by. In the present study chromium biosorption capacity of live and dead biomass of bacterial strain hgb1 isolated from ganga. The sorption of hexavalent chromium by live tcb depends on the ph of the solution, the optimum ph value being 3. Chromium its natural occurrences, its toxicity and contamination. This indicates that both models adequately describe the experimental data of the biosorption of chromium. Biosorption of criii and pbii by schoenoplectus californicus and.
Biosorption of hexavalent chromium by pleurotus ostreatus. Biosorption of chromium in aqueous solutions using bivalve. The fungal pellets obtained in the crvi biosorption study in a liquid medium were analyzed by sem in a jeol microscope jsm 6610 equipped with eds thermo scientific nss special imaging. It can be seen that few studies have been presented in this research area. In this study, an efficient route to synthesizing peimodified ultrasonic assisted acidhydrochar peiusah is developed and reported. Biosorption of cadmium and chromium from water by endophytic kocuria rhizophila. Biosorption of hexavalent chromium by pseudomonas aeruginosa. Biosorption of hexavalent chromium by microorganisms. Langmuir isotherm than it could by freundlich isotherm. The manuscript describes removal of chromium from aqueous solution by biomass of different moulds and yeasts. Biosorption of hexavalent chromium from aqueous solution. Pdf biosorption of chromium by using spirulina sp researchgate. Chromium remediation methods and their disadvantages.
The localization of chromium in the stained outer layers of the cell wall could be verified by electron energy loss spectroscopy. Role of biosorption and biotransformation as main mechanisms for crvi. Pdf biosorption of hexavalent chromium by microorganisms. Detailed molecular mechanism adopted by microbes in chromium detoxification. Request pdf biosorption of chromium, copper, nickel and zinc ions onto fungal pellets of aspergillus niger 405 from aqueous solutions fungal mycelium pellets of aspergillus niger 405 were used.