Kinetics of reduction of solid copper sulphate by hydrogen and carbon monoxide | Zendy

Van Kim Vo | Zendy; Habashi Fathi | Zendy

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Kinetics of reduction of solid copper sulphate by hydrogen and carbon monoxide

Author(s) -

Van Kim Vo,

Habashi Fathi

Publication year - 1974

Publication title -

the canadian journal of chemical engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.404

H-Index - 67

eISSN - 1939-019X

pISSN - 0008-4034

DOI - 10.1002/cjce.5450520311

Subject(s) - carbon monoxide , activation energy , copper , chemistry , hydrogen , exothermic reaction , mole fraction , atmospheric temperature range , kinetics , metal , reaction rate constant , inorganic chemistry , thermodynamics , catalysis , organic chemistry , physics , quantum mechanics

Cupric sulphate is reduced to metallic copper by H 2 at 225° to 400° with formation of Cu 2 SO 4 as an intermediate product. Under the present experimental conditions, the reduction followered the equation k = 1 — (1 — R) 1/3 , where R is the fraction reacted at time t and k is the velocity constant. The activation energy of the overall process in this temperature range lies between 15 and 17 Kcal/mole. Reduction by CO takes place at 400° to 650°C with formation of Cu 2 SO 4 and Cu 2 O and the activation energy in this temperature range lies between 24 and 29 Kcal/mole. Reduction in both cases is exothermic.

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