The technology process and production situation of the chlorine hydride absorption system in potassium sulphate process with traditional sulphuric acid process is introduced.

介绍传统硫酸法生产硫酸钾过程中，氯化氢吸收系统的工艺流程及生产情况。

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More ammonium sulphate solution is being recovered in the process of distilling oil shale.

在提炼油页岩的过程中回收的硫酸铵液比过去多了。

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In this paper, ammonium sulphate was prepared from phosphogypsum and ammonium carbonate, and the kinetics of the reaction process is studied.

以磷石膏和碳酸铵为原料制备硫酸铵，对反应过程的动力学进行了研究。

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The lutetium oxide from which the crystals are made (in only a slightly updated process from the way we all made copper sulphate crystals in high school chemistry classes) all came from China.

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