专利发明人：朱红祥,何辉,薛飞,王磊,雷显林
摘要：Disclosed is a biomass-based hyperbranched adsorption material with multi- adsorption sites to multiple heavy metal ions and a preparation method and use thereof The biomass-based hyperbranched adsorption material with multi-adsorption sites to multiple heavy metal ions is prepared by one-step instant-crosslinking method using a biomass raw material as matrix and a hyperbranched polymer containing chelating atoms of N, 0, S as functional reagent, wherein the hyperbranched polymer has two or more different adsorption sites (containing elements such as N, S, 0, etc.) to heavy metal ions. The material of the present invention has a good adsorption effect when used for adsorption in water body containing multiple heavy metal ions. The material prepared has excellent adsorption performance to multiple heavy metal ions in the water body which can simultaneously, rapidly and completely remove multiple heavy metal ions (Cr\', Cu\', Pd\') of low concentration within 10 minutes, and no heavy metal ions remain in the water body treated. Regeneration performance of the material is stable which still has a regeneration rate of 96% or more after 50 times of regeneration.
