Current Research Status of Steel Industry Solid Waste in the Field of Photocatalysis
Industrial solid waste from the iron and steel industry is characterized by low utilization rate and huge stockpile,which not only occupies vast land resources,but also easily causes damage to ecological environment and seriously pollutes natural resources.In order to improve the added value and utilization rate of solid waste resources,the solid waste of iron and steel industry can be used to prepare photocatalytic materials for degrading organic pollutants and wastewater treatment,etc.It has been shown that the calcium-titanium oxide(CaTiO3)and composite oxide(ABO3)structures generated from the treatment of blast furnace slag,titanium slag,rare earth slag and other solid waste or doping with rare earth elements can effectively improve the photocatalytic performance,which is more effective under acidic conditions.It also provides a relevant research idea to explore its deeper application in photocatalysis.
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