• 本文介绍了采用工业硝酸酸化废旧铁屑、制取硝酸亚铁溶液,并溶液为主要原料研制新型-铬系中温变换催化剂。

    A new process that industrial nitric acid reacts with iron chippings and shavings to produce ferrous nitrate solution is presented.

    youdao

  • 本文介绍了采用工业硝酸酸化废旧铁屑、制取硝酸亚铁溶液,并溶液为主要原料研制新型-铬系中温变换催化剂。

    A new process that industrial nitric acid reacts with iron chippings and shavings to produce ferrous nitrate solution is presented.

    youdao

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