Inventors: Zhang MH, Wang YT, Zhu LS
Patent Title: Magnetically-enhanced coal ash imprinted photocatalyst for degrading phenol-containing wastewater
Publication date: 2018
Publication number: CN107837799A

Abstract: The invention belongs to the field of solid waste recycling and particularly relates to a magnetically-enhanced coal ash imprinted photocatalyst for degrading phenol-containing wastewater. According to the photocatalyst, the problems that a common photocatalyst is poor in selectivity and difficult to separate and recycle are solved. The photocatalyst mainly is mainly prepared by the steps of firstly preprocessing and activating coal ash, magnetizing the activated coal ash, loading the magnetized coal ash with titanium dioxide, and finally preparing the molecular imprinting type titanium dioxide/coal ash phenol catalyst by virtue of a molecular imprinting technique. The photocatalysis material, which is prepared by virtue of the excellent chemical adsorbability and stable chemical propertyof cheap coal ash, is good in light degradation performance, easy to recycle and excellent in selectivity and can be used for rapidly treating phenol-containing wastewater, so as to fulfill the purpose of ''treating waste by virtue of waste''.
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