引用本文:
杨保俊, 于少明, 侯莉, 单承湘. 硫酸浓度对蛇纹石中氧化镁浸出反应速率的影响[J]. 应用化学,
2001, 18(3): 196-199.
Citation: YANG Bao-Jun, YU Shao-Ming, HOU Li, SHAN Cheng-Xiang. Effects of Sulfuric Acid Concentration on the Leaching Rate of MgO from Serpentine[J]. Chinese Journal of Applied Chemistry, 2001, 18(3): 196-199.
Citation: YANG Bao-Jun, YU Shao-Ming, HOU Li, SHAN Cheng-Xiang. Effects of Sulfuric Acid Concentration on the Leaching Rate of MgO from Serpentine[J]. Chinese Journal of Applied Chemistry, 2001, 18(3): 196-199.
硫酸浓度对蛇纹石中氧化镁浸出反应速率的影响
English
Effects of Sulfuric Acid Concentration on the Leaching Rate of MgO from Serpentine
Abstract:
The influence of sulfuric acid concentration on the leaching rate of MgO from serpentine was studied,and the leaching rate equation of MgO can be expressed as rMgO=k1CHmCMgon in a large excess of sulfuric acid,where the reaction orders m=0.20~0.24,n=2,the apparent activation energy Ea=85~95 kJ/mol;at practical leaching conditions the leaching rate equation of MgO has the form:drMgO'/dt=k2(7.144-3.40rMgO')0.226(1-rMgO')2.
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Key words:
- serpentine
- / sulfuric acid leaching
- / kinetics
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