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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Nitrate is inhibitor of the process of sulphate reduction , and have evident inhibition.

硝酸盐作为硫酸盐还原过程的抑制剂，表现了很好的抑制效果。

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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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