Research Progress on Treatment Methods for Heavy Metal Cr(Ⅵ)in Industrial Wastewater
In recent years,industries such as electroplating,metal smelting,and tanning have developed rapidly,and more and more Cr(VI)containing wastewater is directly or indirectly discharged into the environment,causing great harm to the ecological environment and human health.Therefore,it is necessary to study the treatment technology of chromium containing wastewater.The treatment methods for wastewater containing Cr(VI)include adsorption,precipitation,electrochemical,and biological methods.On the basis of reviewing and analyzing relevant literature at home and abroad,the current treatment methods for Cr(VI)containing wastewater were refined and summarized.In the future,joint treatment technology,new material development,and waste treatment technology will become important directions to promote the development of wastewater treatment.
wastewaterheavy metalsprocessing methodsustainable development
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