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Heavy metal toxicity due to industrial waste water is a one of a threat to environment and living organisms. In this research, adsorption experiments were carried out using jackfruit leave powder as a bio-sorbent was assessed for Lead (Pb) adsorption from synthetic waste water. The effect of pH of waste water, contact time, adsorbent dosage and initial concentration of waste water were studied in...
The work investigated that δ-MnO2 / Polymeric ferric sulfate (PFS) treated on electroplating wastewater containing heavy metal ions Cu2+, Pb2+, Cr3+. Effect adsorption on the pH, the amount of adsorbent, the input order and ratio of δ-MnO2 / PFS, the research determined the laboratory simulated electroplating wastewater treatment process and other basic parameters. The results showed that the best...
This paper studies how chemical modification influences the Saccharomycescerevisiae adsorption on copper ion and the desorption of nitric acid, and carries out infrared spectrum analysis of native, adsorbing and desorbing saccharomyces cerevisiae. Results show that carboxyl and amino group in Saccharomycescerevisiae play an important role in the process of adsorbing Cu(II). The adsorption on Cu(II)...
PCB board is an important part of electronic and electrical equipment. In place of piling e-wastes, much of heavy metals in PCB boards percolate into soil, air, river etc. which is a great threaten to environment. In order to removal the hazardous materials for WEEE directive, in this paper, a study on enrichment of lead, cadmium ions by multiwalled carbon nanotubes (MWCNTs) as a solid-phase extraction...
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