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С¼×009(½ð±Ò+50,VIP+0):thanks 1-22 18:09
At present, the main treatment technique of Baotou rare earth is sulfuric acid roasting method. Although this technique make great contribution to rare earth Business of our country, some problems still exist,such as resoures waste,environment pollution and so on. In order to deal with these problems, we start from the sulfuric acid roasting of rare earth(the rare earth exists as (RE2(SO4)3), and consider to treat it through leaching process with ammonium carbonate and ammoniae, then recover all kinds of resources. This article mainly study the dynamics of the leaching treatment to the sulfuric acid roasting using ammonium carbonate and ammoniae, so as to find the control step of the leaching process and provide the theoretical basis for the future study.
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