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。
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