RATE STUDIES FOR OXIDATION OF COPPER FROM UM SAMUKI, POLYSULPHIDES, SOUTH EASTERN DESERT, EGYPT.

被引：0
|
作者：
Hafez, A.I. [1 ]
Zanaty, E.A. [1 ]
Manharawy, M.S.El. [1 ]
机构：
[1] Natl Research Cent, Cairo, Egypt, Natl Research Cent, Cairo, Egypt
来源：
Modelling, simulation & control. B | 1984年 / 1卷 / 04期
关键词：
MATHEMATICAL MODELS - SULFURIC ACID - Applications;
D O I：
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中图分类号：
学科分类号：
摘要：
Extraction of copper from Um samuki, Egypt, was carried out by using sulphuric acid in the presence of ferric sulphate as oxidizing agent. A mathematical model was developed describing the overall process kinetics at different reaction temperatures (30 degree C-85 degree C), different sizes of particles (100-200 mesh) and different catalyst concentrations (0. 05-0. 125 mol/litre). Global rate constants were determined; their values ranged from 1. 195 multiplied by (times) 10** minus **3 to 5. 114 multiplied by (times) 10** minus **3; and the energy of activation was found to be 12463 cal/mol.
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页码：35 / 47
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