催化剂种类对液相氢还原法制备超细镍粉的影响

Abstract

Abstract: With nickel sulfate as raw material，the effects of different kinds of catalyst on the preparation of ultrafine nickel powder by liquid phase hydrogen reduction process were studied.Especially，the influence of dosage of catalyst on the reduction rate was mainly investigated.Results showed that catalyst could accelerate the reaction，shorten the reaction time，and improve the rate of reducing Ni（OH）₂ slurry into metal nickel per unit time.Experimental comparison results of four kinds of catalysts，namely active nickel powder，PdCl₂，RuCl₃，and anthraquinone，showed the hydrogen reduction reaction of nickel sulfate in liquid phase could reaching the highest reduction rate in the shortest time when PdCl₂with mass concentration of 10 mg/L was used.

Key words: catalyst, ultrafine nickel powder, hydrogen reduction in liquid phase

CLC Number:

TQ138.13

LI Bo-Jie- , ZHAO Jia-Chun, DONG Hai-Gang, FAN Xing-Xiang, WU Yue-Dong, WU Xiao-Feng, LIU Yang, TONG Wei-Feng. Effects of catalyst kinds on preparation of ultrafine nickel powder by liquid phase hydrogen reduction process[J]. INORGANICCHEMICALSINDUSTRY, 2013, 45(11): 55-.

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Inorganic Acid-Base-Salt Committee of CIESC

Effects of catalyst kinds on preparation of ultrafine nickel powder by liquid phase hydrogen reduction process

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