• 考察了微米纳米hz沸石回收性能,使催化剂程序升温焙烧再生后,催化活性基本得以恢复。

    The recovery properties of Nano and Micro HZ catalysts were investigated. The spent catalysts can be refreshed by temperature-programmed calcinations.

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  • 混合催化剂金属布朗斯台德加氢混合聚合物 来对已经被所述混合聚合物活的所述过的酸性离子液体催化剂进 行再生

    A used acidic ionic liquid catalyst, which has been deactivated by conjunct polymers, is regenerated by combining the used catalyst, a metal and a Broensted acid to hydrogenate the conjunct polymer.

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  • 一种成功的工业催化剂具有足够活性选择性耐热性外,必须具有足够的机械强度以便抵抗使用过程中的各种应力

    A successful technical catalyst is required not only to have high activity, selectivity and heat-resistance, but also enough high mechanical strength in order to resist some mechanical stresses.

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  • 对纳米金属催化剂制备方法进行了比较,简要论述了制备及存在主要问题

    The preparation methods of metal nanocatalysts are compared, and the existing main problems in the preparation and application processes are discussed briefly.

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  • 本文使转移催化剂提高聚糖脱乙酰度,使氧化降解法降低壳聚糖分子量。

    We used phase transfer catalyst to improve the deacetylation of Chitosan, and the hydrogen peroxide degradation to reduce the molecular of Chitosan.

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  • 聚酯树脂交联不饱和聚合物氧化物类催化剂制成热固性树脂。

    Polyester resins are unsaturated, cross-linked polymers which are made thermosetting by use of a peroxide-type catalyst.

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  • 工业上污染饼层的组分分析表明污染物主要骨架催化剂

    The components of the cake and fouled membrane in the plant were analyzed. It indicated the pollutants were mainly composed of Raney nickel catalyst.

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  • 催化剂活性组分在使用过程中不流失,其活性稳定性优于磺化催化剂

    The activity and stability of the catalyst showed better than those of cobalt phthalocyanine sulfonate.

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  • 聚氯乙烯:属于有机聚合物合成树脂。通常氧化物催化剂处理乙烯基氯制得。

    Synthetic resin, an organic polymer made by treating vinyl chloride monomers with a peroxide.

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  • 针对催化精馏,围绕减缓催化剂问题,采用过程数学模拟试验研究相结合的方法,考察了进料苯烯物质的量比对程结果和催化剂失活的影响。

    In this paper, the research on the catalytic distillation process of alkylation of benzene with ethylene, aiming at slowing down the deactivation of the catalyst, has been reported.

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  • 添加适量四丁基溴化转移催化剂使的亚磷酸二异丙补偿强碱环境中的水解,从而提高了反应产率

    The yield was increased through adding tetrabutyl ammonium bromide as the phase transfer catalyst, and using excessive diisopropyl phosphite to compensate its hydrolyzation.

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  • 添加适量四丁基溴化转移催化剂使的亚磷酸二异丙补偿强碱环境中的水解,从而提高了反应产率

    The yield was increased through adding tetrabutyl ammonium bromide as the phase transfer catalyst, and using excessive diisopropyl phosphite to compensate its hydrolyzation.

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