介绍铬酸酐生产中，含铬硫酸氢钠废料用于前工段中和、预酸化。
The paper introduces the application of chromic flotsam natrium bisulfate in the course of neutralization and pre acidification in industry of chromic acid anhydride.
在醋酸、聚乙二醇存在下，铬酸酐和苊在温和的条件下反应，苊可以完全转化为苊酮。
In the presence of acetic acid and polyethylene glycol, chromic anhydride and acenaphthene react under mild condition and acenaphthene can completely convert into acenaphthenone.
提出了硝酸分解重铬酸钾法联产铬酸酐与硝酸钾的清洁工艺，并优选出过程中主要环节的合理操作条件。
A new cleaner technology for making chromium trioxide and potassium nitrate simultaneously by using nitric acid to decompose potassium dichromate has been brought forward.
提出了硝酸分解重铬酸钾法联产铬酸酐与硝酸钾的清洁工艺，并优选出过程中主要环节的合理操作条件。
A new cleaner technology for making chromium trioxide and potassium nitrate simultaneously by using nitric acid to decompose potassium dichromate has been brought forward.
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