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US5667759A Method for manufacturing alkali chromates from chromium ore 失效
从铬矿生产铬酸铬的方法

Method for manufacturing alkali chromates from chromium ore
摘要:
A method for the decomposition of chromium ore in a directly heated revolving tube is described, in which oxygen-containing gases are introduced into the revolving tube by means of below-bed nozzles.
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