Synthesis and collecting properties of novel carboxyl hydroxamic acids for diaspore and aluminosilicate minerals |
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| Authors: | Jiang Yu-ren Yin Zhi-gang Yi Yun-lai Zhou Xiao-hong |
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| Affiliation: | 1. Key Laboratory of Solid Waste Treatment and Resource Recycle Ministry of Education, Southwest University of Science and Technology, Mianyang, Sichuan, PR China;2. School of Resources Processing and Bioengineering, Central South University, Changsha, Hunan, PR China;3. State Key Laboratory of Mineral Processing, Beijing, PR China;4. Institute of Multipurpose Utilization of Mineral Resources, Chinese Academy of Geological Science, Chengdu, Sichuan, PR China;1. School of Environment and Resource, Southwest University of Science and Technology, Mianyang, Sichuan 621010, PR China;2. Key Laboratory of Solid Waste Treatment and Resource Recycle Ministry of Education, Southwest University of Science and Technology, Mianyang, Sichuan 621010, PR China;3. Key Laboratory of Vanadium-titanium Magnetite Comprehensive Utilization, Ministry of Land and Resources, Chengdu, Sichuan 610000, PR China;1. Academy of Scientific and Innovative Research, Bhubaneswar, India;2. CSIR- Institute of Minerals and Materials Technology, Bhubaneswar, India |
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| Abstract: | Novel carboxyl hydroxamic acids compounds, including 2-carboxyl-6-methylcyclohexane carboxamic acid (CMCA), 2-carboxymethyl-decylen-4-yl hydroxamic acid (CDHA), and 2-carboxymethyl-tetradecen-4-yl hydroxamic acid (CTHA) were synthesized, and the flotation behaviors of diaspore, kaolinite and illite were investigated by using these compounds as collectors. The adsorption mechanism of CTHA on the surface of diaspore, kaolinite and illite was conducted by zeta-potential, adsorption amount and FTIR spectra measurement. The interaction of CTHA on the diaspore surface may be mainly dominated by the chemical adsorption; however, the adsorption of CTHA on kaolinite or illite is mainly dominated by the physical one. |
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