According to reliant data and chemical theory, the new method and new thinking of industrial chromium residue and chromium-contained wastewater treatment are put forward and applied into practice.
本文以可靠的数据和化学原理，针对工业铬渣和含铬废水的实际情况提出处理的新方法和新思路，并应用于实践。
Fe3O4 was prepared by using chemical precipitation in dealing with chromium residue simultaneously.
利用化学共沉淀法，在处理铬渣的同时，制备四氧化三铁。
Fe3O4 was prepared by using chemical precipitation in dealing with chromium residue simultaneously.
利用化学共沉淀法，在处理铬渣的同时，制备四氧化三铁。
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