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A novel dithiourea and its response to metal ions 被引量：1

A novel dithiourea and its response to metal ions
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摘要 The synthesis,characterization,and its response to metal ions of a novel thiourea N,N＇-diethoxycarbonyl-A＂,iV″＇-（1,2- ethylidene） dithiourea was reported.The results show that this dithiourea with new structure can react with Cu^（2＋） and Ni^（2＋） separately,and has a best selectivity to Fe^（3＋） ions.Bench-scale flotation tests were also carried out,verifying it has higher copper flotation recovery and better selectivity to sulfide ores containing Cu compared with universal collectors. The synthesis,characterization,and its response to metal ions of a novel thiourea N,N＇-diethoxycarbonyl-A＂,iV″＇-（1,2- ethylidene） dithiourea was reported.The results show that this dithiourea with new structure can react with Cu^（2＋） and Ni^（2＋） separately,and has a best selectivity to Fe^（3＋） ions.Bench-scale flotation tests were also carried out,verifying it has higher copper flotation recovery and better selectivity to sulfide ores containing Cu compared with universal collectors.
作者 Lu Yuan Hong Zhong Li Qing Li Jing Jing Xiao
机构地区 Key Laboratory of Resources Chemistry of Nonferrous Metals
出处 《Chinese Chemical Letters》 SCIE CAS CSCD 2012年第1期93-96,共4页 中国化学快报（英文版）
基金 the financial supports from National High-Tech Research and Development Plan of China(No. 2007AA06Z122) National Basic Research Program of China(No.2007CB613602) National Natural Science Foundation of China(Nos.51074183 and 50604016)
关键词 Diethoxycarbonyl dithiourea Synthesis Characterization Response to metal ions Diethoxycarbonyl dithiourea Synthesis Characterization Response to metal ions
分类号 TD953 [矿业工程—选矿] O641.4 [理学—物理化学]
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参考文献8

  • 1D.W. Fuerstenau, Metallic Ore Dressing Abroad 3 (2001) 2 (in Chinese).
  • 2D.W. Fuerstenau, R. Herrera-Urbina, D.W. McGlasban, Int. J. Miner. Process 58 (2000) 25.
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同被引文献22

  • 1BULATOVIC S M. Handbook of flotation reagents: chemistry, theory and practice: Volume 1: Flotation of sulfide ores[M]. Amsterdam: Elsevier Science, 2007.
  • 2LIU Guang-yi, ZHONG Hong, DAI Ta-gen. Investigating the selectivity of ethoxylcarbonyl thionocarbametes during the flotation of copper sulfides[J]. Minerals and Metallurgical Processing, 2008, 25: 19-24.
  • 3NAGARAJ D R, LEWELLYN M E, WANG S S, MINGIONE P A, SCANLON M J. New sulfide and precious metals collector: For acid, neutral and mildly alkaline circuits[C]//FORSSBERG E. Proc XVIth International Mineral Processing Congress. Amsterdam: Elsevier, 1988: 1221-1232.
  • 4WOODS R, HOPE G A. A SERS spectroelectrochemical investigation of the interaction of O-isopropyl-N- ethylthionocarbamate with copper surfaces[J]. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 1999, 146(1/3): 63-74.
  • 5LIU Guang-yi, ZHONG Hong, DAI Ta-gen. The separation of Cu/Fe sulfide minerals at slightly alkaline conditions by using ethoxycarbonyl thionocarbamates as collectors: Theory and practice[J]. Minerals Engineering, 2006, 19: 1380-1384.
  • 6FAIRTHORNE G, FORNASIERO D, RALSTON J. Interaction of thionocarbamate and thiourea collectors with sulphide minerals: A flotation and adsorption study[J]. International Journal of Mineral Processing, 1997, 50: 227-242.
  • 7LIU Guang-yi, ZHONG Hong, XIA Liu-yin, WANG Shuai, XU Zheng-he. Improving copper flotation recovery from a refractory copper porphyry ore by using ethoxycarbonyl thiourea as a collector[J]. Minerals Engineering, 2011, 24:817-824.
  • 8YANG Fan, SUN Wei, HU Yue-hua. QSAR analysis of selectivity in flotation of chalcopyrite from pyrite for xanthate derivatives: Xanthogen formates and thionocarbamates[J]. Minerals Engineering, 2012, 39: 140-148.
  • 9NAGARAJ D R, BRINEN J S. SIMS study of adsorption of collectors on pyrite[J]. International Journal of Mineral Processing, 2001, 63: 45-57.
  • 10BASILIO C I. Fundamental studies of thionocarbamate interactions with sulfide minerals[D]. Blacksburg: Virginia Polytechnic Institute and State University, 1989.

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Chinese Chemical Letters
2012年 第1期

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