Abstract:
The pickling sludge produced in the stainless steel pickling process is a hazardous waste and disposal in landfill poses a potential environmental risk. Stainless steel pickling sludge contains metal elements such as Fe, Cr, and Ni and substances such as SiO2 and CaO, which have good value for resource recycling. This paper briefly introduces the generation, nature, and hazards of stainless steel pickling sludge; and clustering analysis of relevant literature keywords in recent years; and detailed analysis and comparison of sludge obtained from different steel mills and resource utilization process. The current situation of pickling sludge resource utilization and the development of relevant policies in China in recent years are summarized, and new thoughts on the direction of its resource utilization are put forward.
摘要:
不锈钢酸洗过程中产生的酸洗污泥是危险废物,在垃圾填埋场处置会带来潜在的环境风险。不锈钢酸洗污泥中含有Fe等金属元素,Cr,和Ni以及SiO2和CaO等物质,具有良好的资源回收利用价值。本文简要介绍了代,自然,不锈钢酸洗污泥的危害和危害;对近年来相关文献关键词进行聚类分析;对不同钢厂获得的污泥和资源化利用工艺进行详细的分析和比较。总结了近年来我国酸洗污泥资源化利用现状及相关政策的发展,并对其资源利用方向提出了新的思考。