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hydrogen peroxide manufacture
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     Status of hydrogen peroxide manufacture over palladium catalyst via anthraquinone process is reviewed in this paper.
     阐述就目前国内采用蒽醌法固定床钯催化剂生产双氧水的使用现状、存在问题及如何正确使用。
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     Synthesis of Urea Hydrogen Peroxide
     过氧化氢脲合成方法的研究
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     Hydrogen peroxide for industrial use
     中华人民共和国国家标准——工业过氧化氢
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     Developments in the techniques for manufacture of hydrogen peroxide
     过氧化氢生产方法的研究进展
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The paper describd the method of the preparation of nickel sulphate(NiSO4·7H2O) using waste catalysts recovered from hydrogen peroxide manufacturing workshops as the raw materials. Experinements told that a wide range of materials could be used, and the purification procedures are quite effective. The recoveries of nickel could reach the level of more than 95%.The quality of the products is in conformity of the standard of GB 6392-86.

阐述了以双氧水车间废触媒为原料,制备七水硫酸镍的工艺条件,该工艺对原料的适应性广,且除杂效果好,镍回收率达95%以上,产品质量符合GB/T6392-86的要求。

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

阐述就目前国内采用蒽醌法固定床钯催化剂生产双氧水的使用现状、存在问题及如何正确使用。

Anthraquinone working solutions used in hydrogen peroxide manufacture were selected as the test system to investigate the properties of foaming fluid flow in the trickle bed reactor (TBR). By the analysis of the instantaneous pressure drop fluctuation a method was established to identify the flow patterns in TBR for foaming systems and used to investigate the effects of the factors such as gas and liquid flow rate, and packing particle size on the bed pressure gradient. The experimental data were correlated...

Anthraquinone working solutions used in hydrogen peroxide manufacture were selected as the test system to investigate the properties of foaming fluid flow in the trickle bed reactor (TBR). By the analysis of the instantaneous pressure drop fluctuation a method was established to identify the flow patterns in TBR for foaming systems and used to investigate the effects of the factors such as gas and liquid flow rate, and packing particle size on the bed pressure gradient. The experimental data were correlated based on the empirical relationship reported by Specchia et al. Comparison between experimental data and estimation show that the regressed relationship of Specchia et al. can be used to predict the pressure gradient of foaming fluid flow in TBR with an accuracy of 5%.

选用过氧化氢生产用蒽醌工作液体系,完成了滴流床反应器中泡沫流床层压降的实验研究. 通过测定瞬时床层压降,建立了反应器内的流型识别方法,借以研究了在泡沫流和泡沫脉冲流区的床层压降梯度与气液相流速、填料尺寸的关系,并采用Specchia和Baldi提出的经验式对发泡体系泡沫流区床层压降进行了估算. 结果表明,通过实验数据回归,可采用Specchia和Baldi经验式预测泡沫流区的床层压降,最大偏差小于5%.

 
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