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Bio-sorption of Pb2+ ion from wastewater with Chlorella was investigated in the batch mode. The influence of pH of the solution, biosorbents dose, concentration of ions and contact time on bio-sorption capacity of Pb2+ ions was studied. The studies revealed that Pb2+ ions uptake rate was rather slow, with 75% of the total amount occurring in the first 10min for Chlorella. The optimum pH for bio-sorption...
Removal of Cu2+, Cd2+, Pb2+ and Zn2+ in wastewater was investigated using steel slag as a treatment material, and then mechanism of removal was discussed according to main crystalline phases in steel slag and Zeta potential of steel slag. The results showed the steel slag was a very suitable multi-functional material for the treatment of wastewater containing Zn2+, Cu2+, Cd2+ and Pb2+. Under treatment...
In the present study we reported the feasibility of Pseudomonas alcaligenes biomass as an alternative biosorbent to remove Pb(II) metallic ions from environmental and industrial wastewater. The ability of Pseudomonas alcaligenes to remove the metallic ions was investigated by using batch biosorption procedure. The effects such as, pH, biosorbent dosage, sorbate concentrations and sorbate-sorbent contact...
In the present study we reported the feasibility of extracellular biopolymer (PF-9) produced by Pseudomonas fluorescence C-9 as an alternative biosorbent to remove Pb(II) metallic ions from environmental and industrial wastewater.The ability of PF-9 to remove the metallic ions was investigated by using batch biosorption procedure. The effects such as, pH, biosorbent dosage, sorbate concentrations...
Zinc sulfide nanoparticles were prepared by hydrothermal method and characterized by TEM, FT-IR and BET surface area. The titration results show that the surface of ZnS nanoparticles possessed an obvious acid-base property. With increasing the amount of ZnS nanoparticles in the suspension, the pH buffer capacity of solution increased dramatically. There is a proportional relationship between the amount...
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