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| 1 | Separation of chalcopyrite and pyrite from a copper tailing by ammonium humate显示文摘Copper tailings constitute a large proportion of mine wastes. Some of the copper tailings can be recycled to recover valuable minerals. In this paper, a copper tailing was studied through the chemical analysis method, Xray diffraction and scanning electron microscope-energy dispersive spectrum. It turned out that chalcopyrite(Cu) and pyrite(S) were the main recoverable minerals in the tailing. In order to separate chalcopyrite from pyrite in low pulp pH, ammonium humate(AH) was singled out as the effective regulator. The depression mechanism of AH on the flotation of pyrite was proved by FTIR spectrum and XPS spectrum, demonstrating that there was a chemical adsorption between AH and pyrite. By Response Surface Methodology(RSM), the interaction between AH, pulp pH and iso-butyl ethionine(Z200) was discussed. It was illustrated that the optimal dosage of AH was 1678 g·t^(-1) involving both the recovery of Cu and S. The point prediction by RSM and the closed-circuit flotation displayed that the qualified Cu concentrate and S concentrate could be obtained from the copper tailing.The study indicated that AH was a promising pyrite depressor in the low pulp pH from copper tailings. | Cuicui Lü Yongliang Wang Peng Qian Ya Liu Guoyan Fu Jian Ding Shufeng Ye Yuanfa Chen | 2018 | Chinese Journal of Chemical Engineering2018，26，9： | 5 |
| 2 | Adsorption of sulfate ions from squeous solution by surfactant - modified palygorskite 显示文摘 | Rui Dong Yuanfa Liu Xingguo Wang | 2011 | Journal of Chemical&Engineering Data2011，，56： | 1 |
| 3 | Changes in volatile compounds of peanut oil during the roasting pro- cess for production of aromatic roasted peanut oil显示文摘 | Liu Xiaojun Jin Qingzhe Liu Yuanfa | 2011 | Journal of Food Science2011，76，3： | 1 |
| 4 | Adsorption studies of a water soluble dye,Reactive Red MF-3B, using son ication-surfactant-modified attapulgite clay显示文摘 | HUANG Jianhua LIU Yuanfa JIN Qingzhe | 2007 | Journal of Haz- ardous Materials2007，143，12： | 1 |
| 5 | Selective adsorption of tannin from flavonoids by Organically modified attapulgite clay显示文摘 | Jianhua Huang Yuanfa Liu Xingguo Wang | 2008 | J Hazard Mater2008，160，23： | 1 |
| 6 | Comparative analysis of lipid composition and thermal, polymorphic, and crystallization behaviors of granular crystals formed in beef tallow and palm oil 显示文摘 | MENG Zong LIU Yuanfa JIN Qingzhe | 2011 | J Agric Food Chem2011，59，： | 1 |
| 7 | Adsorption studies of a water soluble dye,reactive red MF-3B,using sonication-surfactant-modified attapulgite clay显示文摘 | Huang Jianhua Liu Yuanfa Jin Qingzhe | | 0，，1： | 1 |
| 8 | A comparison of cake properties in traditional and turbulence promoter assisted microfiltration of particulate suspensions显示文摘 | Yuanfa Liu Gaohong He Baojun Li Zhengwen Hu Jia Ju | 2012 | Water Research2012，，8： | 1 |
| 9 | Synthesis and biological activities of alkyl substituted triazolethione Schiff base 显示文摘 | SUN Xiaohong TAO Yan LIU Yuanfa | 2008 | Chinese Journal of Chemistry2008，26，6： | 1 |
| 10 | Influ- ence of lipid composition, crystallization behavior and mi- crostructure on hardness of palm oil - based margarines 显示文摘 | LIU Yuanfa MENG Zong ZHANG Fuqing | 2010 | Eur Food Res Technol2010，230，5： | 1 |
| 11 | Enzymaticpreparation of L - a - glyeerylphosphoryleholine in an aqueous medium 显示文摘 | ZHANG Kangyi LIU Yuanfa WANG Xingguo | 2012 | Eur J Lipid Sci Technol2012，114，： | 1 |
| 12 | Silanized palygorskite for lipase immobilization 显示文摘 | HUANG Jianhua LIU Yuanfa WANG Xingguo | 2009 | J Mol Catal B Enzym2009，57，1234： | 1 |
| 13 | Influence of differently modified palygorskites in the immobilization of a lipase 显示文摘 | HUANG Jianhua LIU Yuanfa WANG Xingguo | 2008 | J Mol Catal B Enzym2008，55，12： | 1 |
| 14 | Concentra- tion of omega - 3 polyunsaturated fatty acids from oil of Schizochytrium limacinum by molecular distillation: opti- mization of technological conditions 显示文摘 | ZHANG Guiyu LIU Jing LIU Yuanfa | 2013 | Ind Eng Chcm Res2013，52，10： | 1 |
| 15 | Effect of attapulgite pore size distribution on soybean oil bleaching显示文摘 | HUANG Jiarthua LIU Yuanfa LIU Yue | 2007 | J Amer Oil Chem Soc2007，84，7： | 1 |
| 16 | Selective adsorption of tannin from flavonoids by organically modified attapulgite clay显示文摘 | WANG Jianhua LIU Yuanfa WANG Xingguo | 2008 | Journal of Hazardous Materials2008，160，23： | 1 |
| 17 | A novel two consecutive enzyme synthesis of feru-loylated monoacyl-and diacyl-glycerols in a solvent-free system 显示文摘 | Sun Shangde Shan Liang Liu Yuanfa | 2007 | Biotechnol Lett2007，29，： | 1 |
| 18 | Influence of differently modified palygorskites in the immobilization of a lipase 显示文摘 | Huang Jianhua Liu Yuanfa Wang Xingguo | 2008 | Journal of Molecular Catalysis B: Enzymatic2008，55，： | 1 |
| 19 | Influence of lipid composition, crystallization behavior and microstruc- ture on hardness of palm oil - based margarines 显示文摘 | LIU Yuanfa MENG Zong ZHANG Fuqing | 2010 | Eur Food Res Technol2010，230，： | 1 |
| 20 | Purification of Soybean Phosphatidylcholine Using D113-Ⅲ Ion Exchange Macroporous Resin Packed Column Chromatography显示文摘 | Liu Yuanfa Shan Liang Wang Xingguo | 2009 | J Am Oil Chem Soc2009，86，2： | 1 |
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