Talc separation from talc-carbonate ore to be suitable for different industrial applications |
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| Affiliation: | 1. Central Metallurgical R&D Institute, P.O. Box 87, Helwan, Egypt;2. Geology Dept., Faculty of Science, Ain Shams Univ., Cairo, Egypt;1. School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou 221116, China;2. Key Laboratory of Low-grade Energy Utilization Technologies and Systems (Chongqing University), Ministry of Education of China, Chongqing University, Chongqing 400044, China;1. University of Warsaw, Faculty of Geology, ?wirki i Wigury 93, Warszawa 02-089, Poland;2. University of Wroc?aw, Institute of Geological Sciences, Maksa Borna 9, Wroc?aw 50-204, Poland;3. Department of Geological Sciences, University of Texas, 2275 Speedway Stop C9000, Austin, TX 78712, USA;1. Faculty of Land Resources Engineering, Kunming University of Science and Technology, Kunming 650093, Yunnan, PR China;2. State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming 650093, Yunnan, PR China;3. Yiliang Chihong Mining Co., Ltd., Zhaotong 657600, Yunnan, PR China;4. School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, Hunan, PR China;1. School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China;2. School of Resources, Environment and Materials, Guangxi University, Nanning 530004, China;1. School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China;2. Hunan Key Laboratory of Mineral Materials and Application, Central South University, Changsha, 410083, China |
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| Abstract: | The natural flotation behaviour of pure talc mineral was first studied by measuring its contact angle, flotation recovery and zeta potential. Polypropylene glycol was used as a frother to increase the talc flotation at relatively shorter times. This study was used to beneficiate talc- carbonate ore to obtain talc concentrates suitable for various industrial uses. Effects of pH and frother dosage on the flotation process were studied. A rougher concentrate, with talc grade of ≈ 60 % and recovery of 90%% was obtained. The rougher concentrate product was reground to 100 % -125 μm and floated at the predetermined optimum flotation conditions. Clean talc concentrate at a recovery of 70% with a grade of 93.5 % from an ore containing 48.69 % talc, was obtained. |
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