نتایج جستجو برای: dye biodegradation
تعداد نتایج: 48318 فیلتر نتایج به سال:
The strain Ganoderma cupreum AG-1 (Genbank accession no. HQ328947) isolated from the decayed wood was evaluated for its ability to decolorize azo dye reactive violet 1 as well as for the production of ligninolytic enzymes. In the initial decolorization study, the strain was capable of decolorizing 19 different azo dyes. The strain was capable of decolorizing dye over a pH range of 4.5-6 at 30 °...
Among the 30 strains of moderately halophilic bacteria isolated from the salty effluents of textile industries around Qom city in central Iran, a Gram-negative rod shape bacterium designated as strain IP8 showed a remarkable ability in decolorizing of azo dyes over wide ranges of pH (7-11) and temperature (25-45 ºC), in presence of NaCl and Na2SO...
The use of biodegradation methods by microorganisms in the removal of industrial dyes are widely considered owing to their high efficiency and compatibility to the environment. Therefore, this study aims to evaluate the biodegradation of methylene blue (MB) from aqueous solution by bacteria isolated from contaminated soil. This study was performed in laboratory scale on bacteria isolated and pu...
Backgrounds and Objectives: Reactive dyestuff has potential of toxicity, carcinogenesis and mutagenesis for mammals and aquatic organisms. The current physical and chemical methods such as adsorption, coagulation, precipitation, filtration and ... can been used for removing of dyestuff. Biological treatment which is effective and economic for decontamination of dyestuff wastewaters was preferre...

 Azo dyes are widely used in the textile industry. The release of these undesirable dye effluents to environment can be toxic and carcinogenic towards humans other organisms. removal dyestuff wastes using biodegradation method is consider eco-friendlier compared physical chemical methods. Thus, this study was conducted identify analyze activity azo by potential bacteria isolated from effl...
The laccase enzyme was successfully immobilized over a magnetic amino-functionalized metal–organic framework Fe3O4-NH2@MIL-101(Cr). Different techniques were used for the characterization of synthesized materials. Fe3O4-NH2@MIL-101(Cr) showed excellent resistance to high temperatures and low pH levels with immobilization capacity large activity recovery, due combination covalent binding adsorpt...
Rates of biodegradation of sorbed chemicals are usually lower in soil than in aqueous systems, in part because sorption reduces the availability of the chemical to microorganisms. Biodegradation, sorption, and diffusion occur simultaneously and are tightly coupled. In soil, the rate of biodegradation is a function of a chemical's diffusion coefficient, sorption partition coefficient, the distan...
tants discharged from pulp and paper mills, tanneries, distilleries, dye and paint manufacturing and pharmaceuticals industry (Crosby, 1981). The major source of CPs is as by-products when chlorine is used for bleaching of pulp and for disinfections of drinking water. Therefore, large amounts of chlorinated aromatic compounds, including CPs, have been discharged into the environment (Steinle et...
Selenium (Se) is a nutritional component necessary for animal and plant development reproduction. nanoparticles (SeNPs) have high absorption rate during routine supplementation. In the current study, cell-free extract of Aspergillus terreus was used as reducing stabilizing agent in synthesis SeNPs using green eco-friendly method. The mycosynthesized were characterized by UV-visible spectrophoto...
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