Stainless steel pickling sludge is a hazardous solid waste product generated during the stainless steel pickling process,rich in hazardous elements such as Cr,Ni,F,etc.,which poses a serious threat to the environment.With the continuous increase of stainless steel production in China,the large-scale and resource utilization of stainless steel pickling sludge has become an urgent industry problem to be solved.The previous research on stainless steel pickling sludge were summarized,its sources and physicochemical properties were introduced,and industrial progress was outlined in its utilization within building materials,metal recovery,and as a metallurgical auxiliary material.Additionally,the current process issues and proposes solutions were analyzed,offering guidance for the safe and efficient resource utilization and industrial scale-up of stainless steel pickling sludge in China.
维普
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