Transactions of Nonferrous Metals Society of China The Chinese Journal of Nonferrous Metals

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中国有色金属学报(英文版)

Transactions of Nonferrous Metals Society of China

Vol. 7    No. 1    March 1997

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KINETICS OF INTERACTION BETWEEN Cu_2S AND Cu_2O IN SOLID STATE UNDER NONISOTHERMAL CONDITION
Song Ning; Liu Chunpeng

Department of Metallurgy; Kunming University of Science and Technology; Kunming 650093

Abstract:The reaction mechanism and kinetics of the interaction between solid Cu 2O and Cu 2S under nonisothermal process were investigated by TG method. The result shows that the interaction takes place at 723 K and completes at 1 373 K, and in this temperature range the reaction rate of interaction has two maximum value at 873 K and 1 073 K respectively. The parameters that affect the rate of the interaction are flowrate of carrier inert gas,grain size of sample and concentration of Cu 2O. According to the experimental data the optimal conditions were obtained and the kinetics equation was derived.

 

Key words: kinetics of interaction nonisothermal process Cu 2S Cu 2O

ISSN 1004-0609
CN 43-1238/TG
CODEN: ZYJXFK

ISSN 1003-6326
CN 43-1239/TG
CODEN: TNMCEW

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