• 醌法作为一种成熟双氧水生产世界各国广泛采用

    The method of anthraquinone as a fairly mature method of producing hydrogen peroxide has been adopted worldwide.

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  • 概述了利用醌法生产过氧化氢时所产生触媒制备硫酸的方

    Preparation of nickel sulfate from waste catalyst of hydrogen peroxide production (anthraquinone method) is summarized.

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  • 生产过氧化工作中的四氢蒽醌含量过氧化氢生产操作影响很大

    Production of hydrogen peroxide by anthraquinone method was significantly influenced by tetrahydroanthraquinone in the working solution.

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  • 两种不同环氧化醌法生产过氧化过程集成进行了研究。

    Two different integrated processes of the epoxidation of allyl chloride and production of hydrogen peroxide by anthraquinone route were investigated.

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  • 介绍醌法双氧水生产中的尾气污水活性氧化铝污染物提出回收处理

    The pollutants of tail gas, sewage, waste activated alumina, etc, in the hydrogen peroxide production by anthraquinone process are introduced. Their recovery treatment methods are put forward.

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  • 阐述目前国内采用醌法固定床催化剂生产双氧水使用现状、存在问题及如何正确使用。

    Status of hydrogen peroxide manufacture over palladium catalyst via anthraquinone process is reviewed in this paper.

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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剂测定了催化性能

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

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  • 蒽醌法生产双氧水采用不同触媒差异进行比较分析指出触媒取代触媒已势在必行。

    Comparison and analysis for differences between different catalysts for HPS production by anthraquinone process, and using Pd catalyst to replace the Ni catalyst is concluded.

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  • 采用化学药品常规烧碱-蒽醌法蒸煮细浆得率相比几乎不变,而提高6.5%ISO,卡伯值降低了6.61。

    The yield of screened pulp almost unaltered, brightness can be increased 6.5%ISO, and Kappa number can be decreased 6.61 during impregnation with chemical.

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  • 阐述了双氧水专用活性氧化铝蒽醌双氧水生产中的重要作用,总结影响活性氧化铝再生能力的因素及使用中应注意问题。

    This paper probes into the influences of physical property of aluminum hydroxide on the strength of active alumina in the process of active alumina production with fast dehydration method.

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  • 根据生产实践总结醌法生产双氧水影响余液双氧水含量各种因素,指出萃余液H2O2超标的危害,找到控制萃余的有效途径。

    Based on production practice, various factors affecting the H2O2 content in the extraction raffinate during hydrogenperoxide production by anthraquinone process were summarized.

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  • 中性亚硫酸钠-杨木蒸煮废液(NS - L)碱性亚硫酸钠-蒽醌法落叶松蒸煮废液(AS - L)做锌矿成型粘合剂进行了研究。

    Aspen neutral sulfite-anthraquinone pulping waste liquor (NS-L) and Larch alkaline sulfite-anthraquinone pulping waste liquor (AS-L) are used as the adhesive for the forming of zinc ore powder.

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  • 研究了以半漂落叶松碱性亚硫酸盐-蒽醌AS-AQ)代替针叶木漂白硫酸盐浆(NBKP)白松酸性亚硫酸盐浆(SP)混合纤维浆料配抄新闻纸情况。

    Semibleached alkaline sulfite-anthraquinone larch pulp(AS-AQ)is used as a substitute for the mixed long fiber pulp of NBKP and NBSP in newsprint furnish.

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  • 采用HPLC大黄煮前后生药、煎液药渣中的各种蒽醌含量进行监测。

    Method: Comparing the contents of many kinds of anthraquinones in the crude drug, decoction and drug sediments of Radix et Rhizoma Rhei by HPLC.

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  • 本文物理化学生物处理水中化合物近期研究成果进行综述,并提出了需要进一步研究的方面。

    In this paper, a review was made on the advance in the research on physical, chemical and biological methods for the treatment of anthraquinone compounds in water.

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  • 采用自制装置相水解连续萃取提取衍生物,并和常用的3溶剂对比

    Methods The extraction of anthraquinone from rhubarb was performed by liquid-liquid continuous biphasic extraction and this method was compared with 3 general solvent methods.

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  • 采用HPLC大黄回流、隔水回流乙醇回流提取液中各种蒽醌类成分含量进行监测。

    METHODS Contents of anthraquinones in Radix et Rhizoma Rhei extracts were determined using HPLC after water reflux, deoxygenated water reflux or ethanol reflux.

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  • 目的中空纤维液相微萃取结合高效液相色谱同时对制首乌蒽醌类化合物定量分析

    OBJECTIVE to quantitatively analyze anthraquinones in Radix Polygoni Multiflori Praeparata by liquid-phase microextraction (LPME) coupled with high performance liquid chromatography.

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  • 采用正交试验进行优选,紫外分光光度测定蒽醌含量

    METHODS the optimum extraction process was selected with the orthogonal design. The content of total anthraquinones was determined by uv-Spectrophotometry.

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  • 采用正交试验进行优选,紫外分光光度测定蒽醌含量

    METHODS the optimum extraction process was selected with the orthogonal design. The content of total anthraquinones was determined by uv-Spectrophotometry.

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