• 综述了还原芳香族硝基化合物制备的主要包括催化加氢法金属还原水合肼还原、电化学还原等。

    Four preparation methods for aromatic amine were reviewed in the paper: reduction of metals, catalytic hydrogenation reduction, hydration hydrazine reduction and electro-chemical reduction.

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  • 催化特别适用于烃类原料加氢处理非固定

    The catalyst is particularly suitable for use in non-fixed bed processes for the hydroprocessing of heavy hydrocarbon feeds.

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  • 结果表明分散加入显著地提高催化加氢活性抑制能力

    The results indicated that the high dispersive method can enhance the activity of the catalyst for hydrogenation and the ability to inhibit coke formation.

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  • 研究了沉淀化学混合用于食用油脂加氢改性催化

    New catalysts suitable for hydrogenation of food oils have been prepared by means of precipitation method and by chemical mixing procedure.

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  • 浸渍制备了生产过氧化氢工艺过程蒽醌加氢负载催化测定了催化性能

    Supported Platinum catalysts for anthraquinone hydrogenation were prepared by impregnation method and their properties in anthraquinone hydrogenation were studied.

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  • 采用两段加氢工艺加工某催化裂化柴油得到芳烃质量分数低于25%的产品柴油窄馏分的性质进行了分析

    The narrow-cut fractions of FCC LCO hydrogenated by the two-stage process, whose aromatics content is less than 25 %, was studied.

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  • 并比较了松香催化加氢熔融溶剂结果表明溶剂加氢反应速度大于熔融

    Comparisons undertaken between melting method and solvent process showed that the hydrogenation reaction rate of the solvent process is greater than that of the melting method.

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  • 并比较了松香催化加氢熔融溶剂结果表明溶剂加氢反应速度大于熔融

    Comparisons undertaken between melting method and solvent process showed that the hydrogenation reaction rate of the solvent process is greater than that of the melting method.

    youdao

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