• In the process of producing ammonia, we use cascade control method to make the catalyst hotspots temperature stable, so as to increase the quality of production.

    肥厂生产过程引用串级控制方式对合成塔触媒热点温度进行稳定控制提高生产质量

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  • The paper introduces the ammonia process of producing high-grade zinc oxide from impurities zinc oxide dust which produced by the smoked stoves in a large internal smelter.

    本文介绍了利用氨法处理杂质成分复杂大型冶炼厂炼铅系统氧化锌烟灰制备高等级氧化锌的工艺。

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  • The paper introduces the ammonia process of producing high-grade zinc oxide from impurities zinc oxide dust which produced by the smoked stoves in a large internal smelter.

    本文介绍了利用氨法处理杂质成分复杂大型冶炼厂炼铅系统氧化锌烟灰制备高等级氧化锌的工艺。

    youdao

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