Inventors: Su HJ
, Li QA
, Tan TW
Composite biological adsorption and preparing method thereof
Publication date: 2007
The present invention relates to one kind of composite biological adsorbent and its preparation process. The adsorbent is chitosan or dextran cross-linked resin with supported titania photocatalyst and surface heavy metal ion blotting, and has the functions of adsorbing heavy metal ion, and degrading and eliminating organic pollutant, pathogen and microbe from water solution. The adsorbent is prepared through cross-linking and supporting titania photocatalyst onto chitosan and other saccharide biomass, coupling molecular engram with nanometer titania photocatalyst to form surface heavy metal ion blotting in the surface. The adsorbent has high adsorption capacity, high heavy metal selectivity, and high capacity of degrading and eliminating organic pollutant, pathogen and microbe.
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