Biosorption Of Hexavalent Chromium In A Tannery

Biosorption and biotransformation of hexavalent chromium ...

Such findings paved the way for developing and implementing bioreactors for removal of hexavalent chromium from contaminated industrial effluents. Several more works have been reported on bacterial biosorption and biotransformation of hazardous Cr(VI) to Cr(III). A …

Biosorption of hexavalent chromium in a tannery industry ...

Biosorption of hexavalent chromium in a tannery industry wastewater using fungi species D. Sivakumar Department of Civil Engineering, Vel Tech High Tech …

Biosorption of hexavalent chromium in a tannery industry ...

Biosorption model was proposed to simulate the experimental condition for removing chromium(VI) in a tannery industry wastewater by all isolated fungi species. The R2 and values of the proposed model predicted that the proposed biosorption model is very much useful for predicting the trend of reduction potential of chromium(VI) in a tannery ...

Biosorption of hexavalent chromium in a tannery industry ...

Biosorption model was proposed to simulate the experimental condition for removing chromium(VI) in a tannery industry wastewater by all isolated fungi species. The R2 and values of the proposed model predicted that the proposed biosorption model is very much useful for predicting the trend of reduction potential of chromium(VI) in a tannery industry wastewater by all isolated fungi species ...

Kinetics and equilibrium studies on biosorption of ...

The batch experiments were repeated using real tannery wastewater under the optimized conditions and the biosorbent could remove about 88% of Cr(VI) from the real wastewater. Previous article in issue; Next article in issue; Keywords. Bioremediation. Biosorption. Chromium oxyanions. Tannery wastewater. 1. Introduction. From the beginning of the last century, the quality of life has become a ...

(PDF) Biosorption of hexavalent chromium in a tannery ...

Biosorption of hexavalent chromium in a tannery industry wastewater using fungi species Article (PDF Available) in Global Journal of Environmental Science and Management 3(3):105-124 · March 2016 ...

مقاله Biosorption of hexavalent chromium in a tannery ...

The chromium removal from tannery industry wastewater was validated by checking chromium removal in an aqueous solution and by checking the removal efficiency of other parameters in a tannery industry wastewater using same isolated A. niger. Biosorption model wasproposed to simulate the experimental condition for removing chromium(VI) in a tannery industry wastewater by allisolated …

Biosorption of hexavalent chromium (chromium (VI) ion from ...

Biosorption of hexavalent chromium (chromium (VI) ion from industrial tannery effluent using filamentous fungi on modified rice husk medium/potato dextrose medium (MRHM/PDM) S. D. Emmanuel1*, I. K. Adamu1, A. Ejila1, M. I. Ja’afaru2, Y. Amos3, M. Abubakar1 and O. Agbor1 1Nigerian Institute of Leather and Science Technology (NILEST), Zaria ...

Hexavalent chromium biosorption studies using Penicillium ...

Hexavalent chromium biosorption studies using Penicillium griseofulvum MSR1 a novel isolate from tannery effluent site: Box–Behnken optimization, equilibrium, kinetics and thermodynamic studies Author links open overlay panel Evy Alice Abigail.

Role of Trichoderma Species in Bioremediation Process ...

Hexavalent Chromium Bioremediation will be Discussed Here with a Case Study Representing Chromium Biosorption by Trichoderma Species Bioremediation of Chrome-VI of Tannery Effluent by Trichoderma Species. The discharge of Chromium(VI) into aquatic ecosystems has become a matter of concern in all the tannery areas in India over the last few ...

Biosorption of Chromium (VI) Ion from Tannery Waste Water ...

Generally, chromium exists in natural water in two main oxidation states: hexavalent chromium [Cr (VI)] and trivalent chromium [Cr (III)]. Cr (VI) is more hazardous, carcinogenic and mutagenic to living organisms, and as a result of this, Manuscript received September 16, 2013; revised February 11, 2014.

Toxicity of Hexavalent Chromium in ... - SpringerLink

Hexavalent form of chromium has been reported to cause genotoxic, carcinogenic, and mutagenic effects in living beings. Hence, the removal of chromium from tannery wastewater is urgently required. The physicochemical approaches are currently applied for the removal of chromium from tannery wastewater, which are not eco-friendly in nature and use a huge amount of chemicals to treat tannery ...

Removal of Trivalent and Hexavalent Chromium by …

Chromium Biosorption by Thermally Treated Biomass of the Brown Seaweed, Ecklonia sp.. Industrial & Engineering Chemistry Research 2004, 43 (26) , 8226-8232. DOI: 10.1021/ie049323k. Donghee Park,, Yeoung-Sang Yun, and, Jong Moon Park. Reduction of Hexavalent Chromium with the Brown Seaweed Ecklonia Biomass.

BIOSORPTION OF CHROMIUM (VI) BY A MUTATED STRAIN OF ...

A bacterial strain capable of chromium biosorption was isolated from tannery waste collected from a tannery near Park Circus, Kolkata, using the plate and dilution technique. Nutrient agar containing 50 ppm chromium (VI) ion was used as a plate medium (Bera et al., 2003). The organism was maintained in nutrient agar by monthly subculturing and stored at 4oC. Identification of the organism as ...

BIOSORPTION OF CHROMIUM FROM TANNERY WASTEWATER: …

BIOSORPTION OF CHROMIUM FROM TANNERY WASTEWATER: AN APPROACH FOR CHROME RECOVERY AND REUSE J Raghava Rao, R Aravindhan, B Madhan, Balachandran Unni Nair and T Ramasami Central Leather Research Institute, Adyar, Chennai 600020 ECO-CONSTRAINTS POSED BY LEATHER INDUSTRY The process employed in the manufacturing of leather in several developing …

Evaluation of biosorption potency of Acinetobacter sp. for ...

Two bacterial consortia were developed by continuous enrichment of microbial population of tannery and pulp and paper mill effluent contained Serratia mercascens, Pseudomonas fluorescence, Escherichia coli, Pseudomonas aeruginosa and Acinetobacter sp. identified by 16S rDNA method. The consortia evaluated for removal of chromate [(Cr(VI)] in shake flask culture indicated pulp and paper mill ...

Biosorption and biotransformation of chromium by …

A bacterium isolated from soil and sediment ofa leather tanning mill's effluent was identified as Serratia sp. by the analysis of 16S rDNA. Scanning electron microscopy-energy dispersive X-ray analysis (SEM-EDX) and transmission electron microscopy (TEM) were used to assess morphological changes and confirm chromium biosorption in Serratia sp. both in a shake-flask culture containing chromium ...

Removal of hexavalent chromium in tannery wastewater …

Removal of hexavalent chromium in tannery wastewater by Bacillus cereus. Changqing Zhao, a c Qinhuan Yang, b Wuyong Chen, c Bo Teng c. a College of Bioengineering, Sichuan University of Science and Engineering, Number 180, Xueyuan Street, Huixing Road, Zigong, Sichuan, 643000, People’s Republic of China.

Biosorption and biotransformation of Cr (VI) by hexavalent ...

Hexavalent Chromium biosorption and biotransformation The two selected strains were grown in 200 ml. Czapec Dox broth (pH 7.3) containing 25 and 50 ppm Cr6+(as 0.22 m Milipore filter-sterilised K 2CrO 4) and in tannery wastewater (containing 22.3 and 46.6 mg/l Cr6+) for 5 days at 28±2ºC. The inocula were 5 ml. of fresh spore suspention of inoculum strength: 4-5x 103 c.f.u./ml. For ...

Biosorption and Detoxification of Cr(VI) by Tannery ...

Biosorption, Chromium, Phytotoxicity, Pollution and Tannery Effluents. Tannery industries consume a considerable amount of water in their manufacturing processes and it has been rated as the most polluting among the industrial sectors. Tanneries serve as a major source of Chromium pollution, releasing about 40 25,000 mg/l of Cr in their ...

Evaluation of biosorption potency of Acinetobacter sp. for ...

Two bacterial consortia were developed by continuous enrichment of microbial population of tannery and pulp and paper mill effluent contained Serratia mercascens, Pseudomonas fluorescence, Escherichia coli, Pseudomonas aeruginosa and Acinetobacter sp. identified by 16S rDNA method. The consortia evaluated for removal of chromate [(Cr(VI)] in shake flask culture indicated pulp and paper mill ...

Bioremediation of hexavalent chromium by a …

EDX of cyanobacterial mat collected from tannery site (before biosorption) Full size image. Fig. 6. EDX of cyanobacterial mat after Biosorption . Full size image. Based on the results, it is reasonable to conclude that the mechanism involved in the removal of chromium (VI) by cyanobacteria mat was found to biosorption–bioreduction. The sequence of reaction that may be occurring is probably ...

Biosorption and biotransformation of chromium by …

A bacterium isolated from soil and sediment ofa leather tanning mill's effluent was identified as Serratia sp. by the analysis of 16S rDNA. Scanning electron microscopy-energy dispersive X-ray analysis (SEM-EDX) and transmission electron microscopy (TEM) were used to assess morphological changes and confirm chromium biosorption in Serratia sp. both in a shake-flask culture containing chromium ...

Removal of hexavalent chromium in tannery wastewater …

Removal of hexavalent chromium in tannery wastewater by Bacillus cereus. Changqing Zhao, a c Qinhuan Yang, b Wuyong Chen, c Bo Teng c. a College of Bioengineering, Sichuan University of Science and Engineering, Number 180, Xueyuan Street, Huixing Road, Zigong, Sichuan, 643000, People’s Republic of China.

Biosorption and biotransformation of Cr (VI) by hexavalent ...

Hexavalent Chromium biosorption and biotransformation The two selected strains were grown in 200 ml. Czapec Dox broth (pH 7.3) containing 25 and 50 ppm Cr6+(as 0.22 m Milipore filter-sterilised K 2CrO 4) and in tannery wastewater (containing 22.3 and 46.6 mg/l Cr6+) for 5 days at 28±2ºC. The inocula were 5 ml. of fresh spore suspention of inoculum strength: 4-5x 103 c.f.u./ml. For ...

BIOSORPTION OF CHROMIUM (VI) BY A MUTATED STRAIN OF ...

A bacterial strain capable of chromium biosorption was isolated from tannery waste collected from a tannery near Park Circus, Kolkata, using the plate and dilution technique. Nutrient agar containing 50 ppm chromium (VI) ion was used as a plate medium (Bera et al., 2003). The organism was

Biosorption and Detoxification of Cr(VI) by Tannery ...

Biosorption, Chromium, Phytotoxicity, Pollution and Tannery Effluents. Tannery industries consume a considerable amount of water in their manufacturing processes and it has been rated as the most polluting among the industrial sectors. Tanneries serve as a major source of Chromium pollution, releasing about 40 25,000 mg/l of Cr in their ...

Bioaccumulation of Chromium from Tannery …

Biosorption of trivalent chromium by free and immobilized blue green algae: Kinetics and equilibrium studies. Journal of Environmental Science and Health, Part A 2008, 43 (4) , 390-401. DOI: 10.1080/10934520701795608. Sujoy K. Das, Arun K. Guha. Biosorption of chromium …

Biosorption of Chromium (VI) in Aqueous Solution by Ananas ...

Biosorption of Chromium (VI) in Aqueous Solution by Ananas comosus Biomass Shell Acosta Rodríguez I1, Cárdenas González JF2*, Galaviz Orocio K1, Rodríguez Pérez A 2, Michel Cuello C and Muñoz Morales A 1Facultad de Ciencias Químicas, México 2Unidad Académica Multidisciplinaria Zona Media, México Introduction Currently, one of the main environmental problems is heavy metal pollution.

Microbial Bioremediation of Chromium in Tannery Effluent ...

Microbial Bioremediation of Chromium in Tannery Effluent: A Review P. Saranraj and D. Sujitha Department of Microbiology, Annamalai University, Annamalai Nagar, Chidambaram- 608 002, Tamil Nadu, India Abstract: Chromium, a priority pollutant is well known for its mutagenicity, carcinogenicity and teratogenicity in humans, experimental animals and plants. Extensive use of chromium in …

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