引用本文:
张剑锋, 胡岳华, 邱冠周, 王淀佐. 1,2,3-苯三氧基三乙酸的浮选抑制性能[J]. 应用化学,
2002, 19(1): 82-84.
Citation: ZHANG Jian-Feng, HU Yue-Hua, QIU Guan-Zhou, WANG Dian-Zuo. 1,2,3-Benzenetrioxylacetic Acid as a Depressant in Flotation Process[J]. Chinese Journal of Applied Chemistry, 2002, 19(1): 82-84.
Citation: ZHANG Jian-Feng, HU Yue-Hua, QIU Guan-Zhou, WANG Dian-Zuo. 1,2,3-Benzenetrioxylacetic Acid as a Depressant in Flotation Process[J]. Chinese Journal of Applied Chemistry, 2002, 19(1): 82-84.
English
1,2,3-Benzenetrioxylacetic Acid as a Depressant in Flotation Process
Abstract:
The flotation process for calcite, diaspore and pyrite using 1,2,3-benzenetrioxylacetic acid(BTAA) as a depressant has been studied. The results showed that, when sodium oleate, dodecylamine and butyl xanthate are used as the collectors, BTAA exhibits a good depressing ability to the three minerals in the order:calcite > diaspore > pyrite. The depressing ability of BTAA was improved by increasing pH value of the medium and BTAA concentration. When the collector concentration was 0.1 mmol/L and the concentration of BTAA was up to 0.7 mmol/L, the recovery of calcite, diaspore and pyrite was 3%, 12% and 21%, respectively. The results were discussed in ferms of the electronegativity of BTAA, specific exponent of flotation agent and HLB value of BTAA molecule.
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Key words:
- benzenetrioxylacetic acid
- / flotation
- / depressant
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