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Bioaccumulation versus adsorption of reactive dye by immobilized growing Aspergillus fumigatus beads by Bao-E. Wang; Yong-You Hu is a Environmental Science article available to read on EtoBox.
What is Bioaccumulation versus adsorption of reactive dye by immobilized growing Aspergillus fumigatus beads about?
The removal of reactive brilliant blue KN-R using growing Aspergillus fumigatus (abbr. A. fumigatus) immobilized on carboxymethylcellulose (CMC) beads with respect to initial dye concentration was investigated. Bioaccumulation was the dominant mechanism of the dye removal. According to the UV-vis spectra and the results of three sets of experiments, it could be concluded that the bioaccumulation using immobilized growing A. fumigatus beads was achieved by metabolism-dependent accumulation and metabolism-independent adsorption (15-23% proportion of overall dye removal), which included biosorption by mycelia entrapped in them and adsorption on immobilization matrix. The transmission electron microscope (TEM) images showed the intracellular structures of mycelia and the toxicity of dye. It was found that the fungus had a considerable tolerance to reactive brilliant blue KN-R at initial dye concentrations of <114.7 mg/l. Though at high initial dye concentrations the growth of mycelia was inhibited significantly by the dye molecules in the growth medium, the bioaccumulation capacity was not markedly affected and the maximum bioaccumulation capacity was 190.5 ± 2.0 mg/g at an initial dye
Who reads Bioaccumulation versus adsorption of reactive dye by immobilized growing Aspergillus fumigatus beads?
It is typically read by researchers, students, and practitioners in Environmental Science.
- Author
- Bao-E. Wang; Yong-You Hu
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0304-3894)
- Published
- 2008
- Language
- EN
- Field
- Environmental Science (Physical Sciences)