Hexavalent Chromium Bioreduction and its Functional Characterization Using Vigna radiata
نویسندگان
چکیده
منابع مشابه
Characteristics of a novel Acinetobacter sp. and its kinetics in hexavalent chromium bioreduction.
Cr-B2, a Gram-negative hexavalent chromium [Cr(VI)] reducing bacteria, was isolated from the aerator water of an activated sludge process in the wastewater treatment facility of a dye and pigment based chemical industry. Cr- B2 exhibited a resistance for 1,100 mg/l Cr(VI) and, similarly, resistance against other heavy metal ions such as Ni2+ (800 mg/l), Cu2+ (600 mg/l), Pb2+ (1,100 mg/l), Cd2+ ...
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Chromium through natural processes and human activities enters the air, soil and water. Chromium-resistant bacteria are capable of reducing toxic Cr(VI) to less toxic Cr(III). In this work, batch studies were conducted to evaluate the effect of environmental factors on the rate of Cr(VI) reduction from synthetic wastewater of metal plating industry by Bacillus cereus under aerobic conditions. T...
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Contamination of agriculturally arable land with industry derived pollutants including heavy metals such as chromium has affected soil fertility as well plant, animal and human health by indirectly entering the food chain. Hexavalent chromium is a byproduct of tanning, electroplating, wood, dye, paper, glass, ceramic etc. industries and is usually discharged as industrial effluent. Cr (VI) is a...
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Two forms of Fd-NADP+ oxidoreductase (FNR) isoproteins have been purified and characterized from the first foliage leaves of 5d-old mung bean (Vigna radiata). They could be separated by either Mono Q HR 515 or ferredoxin (Fd)-Sepharose 48 affinity columns. Based on immunoblot analysis and N-terminal amino acid sequences, one form resembles the FNR purified from photosynthetic tissues of higher ...
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The potential to remove chromium(VI) from aqueous solutions through biosorption using coffee husk was investigated. The effects of pH, contact time, initial concentration and adsorbent dosage on the adsorption of Cr(VI) were studied. The data obeyed Langmuir and Freundlich adsorption isotherms. The Langmuir adsorption capacity was found to be 44.95 mg/g. The Freundlich constants Kf and n were 1...
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ژورنال
عنوان ژورنال: Research Journal of Environmental Sciences
سال: 2018
ISSN: 1819-3412
DOI: 10.3923/rjes.2018.192.197