Publications

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identification of inhibitory substances affecting bioleaching of heavy metals from anaerobically digested sewage sludge.significant inhibitory effects of the filtrate medium of anaerobically digested sewage sludge on iron oxidation by acidithiobacillus ferrooxidans anyl-1 were observed in our preliminary experiments, indicating the presence of inhibitory substances in anaerobically digested sewage sludge. the objectives of the present study were to identify the possible inhibitory substances and to evaluate their impacts on metal solubilization during bioleaching of sewage sludge. the results showed that the conc ...200415212270
enhanced heavy metal bioleaching efficiencies from anaerobically digested sewage sludge with coinoculation of acidithiobacillus ferrooxidans anyl-1 and blastoschizomyces capitatus y5.prolonged bioleaching period was required to remove heavy metals from anaerobically digested sewage sludge in the presence of low molecular weight organic acids. the purpose of the present study was therefore to enhance metal solubilization efficiencies through introducing organic acid-degrading microorganisms into this artificial bioleaching system. an acetic and propionic acid-degrading yeast blastoschizomyces capitatus y5 was successfully isolated from a local yuen long sewage sludge and it c ...200415580998
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