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Selective Removal of Trace Organics Using Surface Grafted Polymers

机译:表面接枝聚合物选择性去除痕量有机物

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The objectives were to develop and evaluate polymeric resins for the selective removal of trace organics from contaminated water supplies and waste water streams. Available polymeric adsorbents and novel polymer-silica resins were evaluated as potential adsorbents for the selective removal of organic contaminants aqueous systems. An adsorption data base was developed for the adsorption of trichloroethylene, chloroform and phenol, onto a variety of adsorption resins. The affinity of various resins for the adsorption of the above organics was evaluated based on the amount of adsorbed solute per available surface area. The possibility of removing organics from aqueous systems using hydrophilic polymeric resins was demonstrated, for the first time, for phenol adsorption. These latter resins were polymeric-silica matrix resins which were synthesized using a novel technique of graft polymerization. The results of the current study have shown that polymer-silica matrix resins can be potentially useful adsorption resins for the selective removal of organics.

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