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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...
The Pb(II) biosorption characteristics of Pseudomonas fluorescens PFC02 biomass was examined as a function of initial pH, contact time and initial metal ion concentration. FTIR spectra showed that the principal functional sites taking part in the sorption process included carboxyl , hydroxyl groups and -CH3 stretching groups, the mechanism analysis showed that the chemical chelating was the main adsorption...
A method for the functionalization of surfaces within soft glass microstructured optical fibers has been developed, using self assembled monolayers (SAMs) of silane coupling agents. We demonstrate the use of measurements of the fiber capillary fill rate, as a positive test for a functionalized internal surface. A simple theoretical model is used for comparison with measured fill rates. During this...
The demand for effective and inexpensive sorbents is increasing in response to the widespread recognition of the deleterious health effects of heavy metals exposure through aqueous solutions. An adsorbent, bio-formulation (BF), was prepared by agricultural waste. The maximal biosorption removal of cadmium (II), lead(II), copper(II), zinc(II) on BF are 99.4, 99.8, 97.6, 98.3% at pH 8, 5, 5, 7, respectively...
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