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·856· 工程科学学报,第37卷,第7期 的π反键轨道构成,它们均能与黄铜矿表面C山离子 [7]Liu G Y,Zeng H B,Lu Q Y,et al.Adsorption of mercaptobenzo- 的d轨道形成反馈T键.根据Eo和EuMo1大小可 heterocyclic compounds on sulfide mineral surfaces:a density 推断捕收剂与黄铜矿之间形成的反馈π键强弱,可定 functional theory study of structure-reactivity relations.Colloids Su时A,2012,409:1 性地解释捕收剂的选择性.BeXF和XBeF选择性强, [8]Liu G Y,Xiao JJ,Zhou D W,et al.A DFT study on the struc- 可能是因为它们的LUMO+1与黄铜矿表面的Cu离 ture-reactivity relationship of thiophosphorus acids as flotation col- 子形成较强的反馈π键. lectors with sulfide minerals:implication of surface adsorption. (3)单纯利用某一参数不能较好地解释捕收剂的 Colloids Surf A,2013,434:243 选择性强弱。但综合分析静电作用、共价键作用、反馈 9]Liu G Y,Zhong H,Dai TG,et al.Investigation of the effect of π键作用等对矿物和捕收剂相互作用能的影响,可定 N-substituents on performance of thionocarbamates as selective col- 性地解释黄原酸甲酸酯类捕收剂的选择性.因此,若 lectors for copper sulfides by ab initio calculations.Miner Eng 2008,21(12A4):1050 要定量地分析量子化学参数对捕收剂选择性的影响, [10]Liu G Y,Zhong H,Dai T G.The separation of Cu/Fe sulfide 如Euo和Euwo+1参数对选择性影响的权重值等问题, minerals at slightly alkaline conditions by using ethoxycarbonyl 仍需在今后做进一步的研究探索 thionocarbamates as collectors:Theory and practice.Miner Eng, 2006,19(13):1380 参考文献 [11]Sun W,Yang F,Hu Y H,et al.Application of frontier orbital [Huang Z R,Zhong H,Wang S,et al.Progress of flotation tech- in developing new collectors of chalcopyrite.Chin J Nonferrous nology and collectors for chalcopyrite.Appl Chem Ind,2013,42 Me,2009,19(8):1524 (11):2048 (孙伟,杨帆,胡岳华,等。前线轨道在黄铜矿捕收剂开发中 (黄真瑞,钟宏,王帅,等.黄铜矿浮选工艺及捕收剂研究进 的应用.中国有色金属学报,2009,19(8):1524) 展.应用化工,2013,42(11):2048) [12]Yang F,Sun W,Hu Y H.QSAR analysis of selectivity in flota- Ma X,Zhong H,Wang S,et al.Research on the sulfide ore col- tion of chalcopyrite from pyrite for xanthate derivatives:xantho- lectors.Appl Chem Ind,2012,41 (10):1791 gen formates and thionocarbamates.Miner Eng,2012,39:140 (马鑫,钟宏,王帅,等.硫化矿捕收剂的研究进展.应用化 [13]Frisch M J,Trucks G W,Schlegel H B,et al.Gaussian 03. 工,2012,41(10):1791) Pittsburgh:Gaussian Inc,2003 3]Ackerman P K.Harris G H,Klimpel R R,et al.Use of xantho- 04] Mai S W,Zhou C D,Li W J.Adeanced Structural Inorganic gen formates as collectors in the flotation of copper sulfides and py- Chemistry.2nd Ed.Beijing:Peking University Press,2006 rite.Int J Miner Process,2000,58(1):1 (麦松威,周公度,李伟基.高等无机结构化学.2版.北 4]Geerlings P.De Proft F,Langenacker W.Conceptual density 京:北京大学出版社,2006) functional theory.Chem Rer,2003,103 (5):1793 [15]Lu T,Chen F W.Comparison of computational methods for a- [5]Zhao G,Zhong H,Qiu X Y,et al.The DFT study of eyelohexyl tomic charges.Acta Phys Chim Sin,2012,28 (1)I hydroxamic acid as a collector in scheelite flotation.Miner Eng, (卢天,陈飞武.原子电荷计算方法的对比.物理化学学报, 2013,49:54 2012,28(1):1) 6] Liu G Y,Zhong H,Xia L Y,et al.Effect of N-substituents on [16]Thanikaivelan P,Subramanian V,Rao J R,et al.Application of performance of thiourea collectors by density functional theory cal- quantum chemical descriptor in quantitative structure activity and culations.Trans Nonferrous Met Soc China,2010,20:695 structure property relationship.Chem Phys Lett,2000,323:59工程科学学报,第 37 卷,第 7 期 的 π* 反键轨道构成,它们均能与黄铜矿表面 Cu 离子 的 d 轨道形成反馈 π 键. 根据 ELUMO和 ELUMO + 1大小可 推断捕收剂与黄铜矿之间形成的反馈 π 键强弱,可定 性地解释捕收剂的选择性. BeXF 和 XBeF 选择性强, 可能是因为它们的 LUMO + 1 与黄铜矿表面的 Cu 离 子形成较强的反馈 π 键. ( 3) 单纯利用某一参数不能较好地解释捕收剂的 选择性强弱. 但综合分析静电作用、共价键作用、反馈 π 键作用等对矿物和捕收剂相互作用能的影响,可定 性地解释黄原酸甲酸酯类捕收剂的选择性. 因此,若 要定量地分析量子化学参数对捕收剂选择性的影响, 如 ELUMO和 ELUMO + 1参数对选择性影响的权重值等问题, 仍需在今后做进一步的研究探索. 参 考 文 献 [1] Huang Z R,Zhong H,Wang S,et al. Progress of flotation tech￾nology and collectors for chalcopyrite. Appl Chem Ind,2013,42 ( 11) : 2048 ( 黄真瑞,钟宏,王帅,等. 黄铜矿浮选工艺及捕收剂研究进 展. 应用化工,2013,42( 11) : 2048) [2] Ma X,Zhong H,Wang S,et al. Research on the sulfide ore col￾lectors. Appl Chem Ind,2012,41( 10) : 1791 ( 马鑫,钟宏,王帅,等. 硫化矿捕收剂的研究进展. 应用化 工,2012,41( 10) : 1791) [3] Ackerman P K,Harris G H,Klimpel R R,et al. Use of xantho￾gen formates as collectors in the flotation of copper sulfides and py￾rite. Int J Miner Process,2000,58( 1-4) : 1 [4] Geerlings P,De Proft F,Langenaeker W. Conceptual density functional theory. Chem Rev,2003,103( 5) : 1793 [5] Zhao G,Zhong H,Qiu X Y,et al. The DFT study of cyclohexyl hydroxamic acid as a collector in scheelite flotation. Miner Eng, 2013,49: 54 [6] Liu G Y,Zhong H,Xia L Y,et al. Effect of N-substituents on performance of thiourea collectors by density functional theory cal￾culations. Trans Nonferrous Met Soc China,2010,20: 695 [7] Liu G Y,Zeng H B,Lu Q Y,et al. Adsorption of mercaptobenzo￾heterocyclic compounds on sulfide mineral surfaces: a density functional theory study of structure-reactivity relations. Colloids Surf A,2012,409: 1 [8] Liu G Y,Xiao J J,Zhou D W,et al. A DFT study on the struc￾ture-reactivity relationship of thiophosphorus acids as flotation col￾lectors with sulfide minerals: implication of surface adsorption. Colloids Surf A,2013,434: 243 [9] Liu G Y,Zhong H,Dai T G,et al. Investigation of the effect of N-substituents on performance of thionocarbamates as selective col￾lectors for copper sulfides by ab initio calculations. Miner Eng, 2008,21( 12-14) : 1050 [10] Liu G Y,Zhong H,Dai T G. The separation of Cu /Fe sulfide minerals at slightly alkaline conditions by using ethoxycarbonyl thionocarbamates as collectors: Theory and practice. Miner Eng, 2006,19( 13) : 1380 [11] Sun W,Yang F,Hu Y H,et al. Application of frontier orbital in developing new collectors of chalcopyrite. Chin J Nonferrous Met,2009,19( 8) : 1524 ( 孙伟,杨帆,胡岳华,等. 前线轨道在黄铜矿捕收剂开发中 的应用. 中国有色金属学报,2009,19( 8) : 1524) [12] Yang F,Sun W,Hu Y H. QSAR analysis of selectivity in flota￾tion of chalcopyrite from pyrite for xanthate derivatives: xantho￾gen formates and thionocarbamates. Miner Eng,2012,39: 140 [13] Frisch M J,Trucks G W,Schlegel H B,et al. Gaussian 03. Pittsburgh: Gaussian Inc,2003 [14] Mai S W,Zhou G D,Li W J. Advanced Structural Inorganic Chemistry. 2nd Ed. Beijing: Peking University Press,2006 ( 麦松威,周公度,李伟基. 高等无机结构化学. 2 版. 北 京: 北京大学出版社,2006) [15] Lu T,Chen F W. Comparison of computational methods for a￾tomic charges. Acta Phys Chim Sin,2012,28( 1) : 1 ( 卢天,陈飞武. 原子电荷计算方法的对比. 物理化学学报, 2012,28( 1) : 1) [16] Thanikaivelan P,Subramanian V,Rao J R,et al. Application of quantum chemical descriptor in quantitative structure activity and structure property relationship. Chem Phys Lett,2000,323: 59 · 658 ·
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