Adsorption Mechanism of Amidoxime Collector on the Flotation of Lepidolite: Experiment and DFT Calculation
被引:12
作者:
Huang, Zhiqiang
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Jiangxi Univ Sci & Technol, Jiangxi Prov Key Lab Min Engn, Ganzhou 34100, Jiangxi, Peoples R ChinaJiangxi Univ Sci & Technol, Jiangxi Prov Key Lab Min Engn, Ganzhou 34100, Jiangxi, Peoples R China
Huang, Zhiqiang
[1
]
Li, Wenyuan
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Jiangxi Univ Sci & Technol, Jiangxi Prov Key Lab Min Engn, Ganzhou 34100, Jiangxi, Peoples R ChinaJiangxi Univ Sci & Technol, Jiangxi Prov Key Lab Min Engn, Ganzhou 34100, Jiangxi, Peoples R China
Li, Wenyuan
[1
]
He, Guichun
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Jiangxi Univ Sci & Technol, Jiangxi Prov Key Lab Min Engn, Ganzhou 34100, Jiangxi, Peoples R ChinaJiangxi Univ Sci & Technol, Jiangxi Prov Key Lab Min Engn, Ganzhou 34100, Jiangxi, Peoples R China
He, Guichun
[1
]
Shen, Louyan
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机构:
China Nerin Engn Co Ltd, Nanchang 330031, Jiangxi, Peoples R ChinaJiangxi Univ Sci & Technol, Jiangxi Prov Key Lab Min Engn, Ganzhou 34100, Jiangxi, Peoples R China
Shen, Louyan
[2
]
Chen, Xiaoai
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China Nerin Engn Co Ltd, Nanchang 330031, Jiangxi, Peoples R ChinaJiangxi Univ Sci & Technol, Jiangxi Prov Key Lab Min Engn, Ganzhou 34100, Jiangxi, Peoples R China
Chen, Xiaoai
[2
]
Shuai, Shuyi
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Jiangxi Univ Sci & Technol, Jiangxi Prov Key Lab Min Engn, Ganzhou 34100, Jiangxi, Peoples R ChinaJiangxi Univ Sci & Technol, Jiangxi Prov Key Lab Min Engn, Ganzhou 34100, Jiangxi, Peoples R China
Shuai, Shuyi
[1
]
Li, Fangxu
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Guangdong Inst Resources Comprehens Utilizat, Guangzhou 510650, Peoples R ChinaJiangxi Univ Sci & Technol, Jiangxi Prov Key Lab Min Engn, Ganzhou 34100, Jiangxi, Peoples R China
Li, Fangxu
[3
]
Wang, Hongling
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Guangdong Inst Resources Comprehens Utilizat, Guangzhou 510650, Peoples R ChinaJiangxi Univ Sci & Technol, Jiangxi Prov Key Lab Min Engn, Ganzhou 34100, Jiangxi, Peoples R China
Wang, Hongling
[3
]
Liu, Rukuan
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Hunan Acad Forestry, Changsha 410004, Hunan, Peoples R ChinaJiangxi Univ Sci & Technol, Jiangxi Prov Key Lab Min Engn, Ganzhou 34100, Jiangxi, Peoples R China
Liu, Rukuan
[4
]
Zhang, Shiyong
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Jiangxi Univ Sci & Technol, Jiangxi Prov Key Lab Min Engn, Ganzhou 34100, Jiangxi, Peoples R ChinaJiangxi Univ Sci & Technol, Jiangxi Prov Key Lab Min Engn, Ganzhou 34100, Jiangxi, Peoples R China
Zhang, Shiyong
[1
]
Cheng, Chen
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Jiangxi Univ Sci & Technol, Jiangxi Prov Key Lab Min Engn, Ganzhou 34100, Jiangxi, Peoples R ChinaJiangxi Univ Sci & Technol, Jiangxi Prov Key Lab Min Engn, Ganzhou 34100, Jiangxi, Peoples R China
Cheng, Chen
[1
]
Ouyang, Liaoyuan
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Jiangxi Univ Sci & Technol, Jiangxi Prov Key Lab Min Engn, Ganzhou 34100, Jiangxi, Peoples R ChinaJiangxi Univ Sci & Technol, Jiangxi Prov Key Lab Min Engn, Ganzhou 34100, Jiangxi, Peoples R China
Ouyang, Liaoyuan
[1
]
Yu, Xinyang
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Jiangxi Univ Sci & Technol, Jiangxi Prov Key Lab Min Engn, Ganzhou 34100, Jiangxi, Peoples R ChinaJiangxi Univ Sci & Technol, Jiangxi Prov Key Lab Min Engn, Ganzhou 34100, Jiangxi, Peoples R China
Yu, Xinyang
[1
]
Fu, Weng
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Univ Queensland, Sch Chem Engn, St Lucia, Qld 4072, AustraliaJiangxi Univ Sci & Technol, Jiangxi Prov Key Lab Min Engn, Ganzhou 34100, Jiangxi, Peoples R China
Fu, Weng
[5
]
机构:
[1] Jiangxi Univ Sci & Technol, Jiangxi Prov Key Lab Min Engn, Ganzhou 34100, Jiangxi, Peoples R China
[2] China Nerin Engn Co Ltd, Nanchang 330031, Jiangxi, Peoples R China
[3] Guangdong Inst Resources Comprehens Utilizat, Guangzhou 510650, Peoples R China
[4] Hunan Acad Forestry, Changsha 410004, Hunan, Peoples R China
[5] Univ Queensland, Sch Chem Engn, St Lucia, Qld 4072, Australia
Lepidolite is an important mineral resource of lithium. With the increase in awareness of low-carbon and green travel, the demand for lithium has increased dramatically. Therefore, how to increase the output of lithium has to turn into high precedence. In this paper, amidoxime (DPA) was synthesized and used for the efficient collection of lepidolite. Dodecylamine (DA), a commonly used collector of lepidolite ore, was used for comparison. The collecting performances of DA and DPA for lepidolite were studied by the micro-flotation experiment, and the adsorption mechanism of DPA on lepidolite was verified by contact angle, zeta potential tests, FTIR spectra, and density functional theory (DFT) calculations. The results of flotation experiments showed that at the same collector dosage (3 x 10-4 mol/L), the recovery of lepidolite could reach 90%, while the recovery of lepidolite with DA was only 52.5%, and to achieve the maximum recovery of DA (77.5%), only half of the DPA was added. The contact angle test results showed that DPA could effectively improve the hydrophobicity of lepidolite than DA. FTIR spectra and zeta potential tests suggested that DPA molecules were adsorbed on the lepidolite surface by electrostatic attraction. DFT calculations revealed that DPA reacted with the nucleophilic reagent (lepidolite) by the reactive site of the -CH2NH(CH2)2C(NOH)N+H3 group and more easily absorbed on the surface of lepidolite than DA. Therefore, our new finding will provide an important prospect for the sustainable development and utilization of lithium resources.
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Kunming Univ Sci & Technol, Fac Land Resource Engn, State Key Lab Complex Nonferrous Met Resources Cl, Kunming 650093, Yunnan, Peoples R China
State Key Lab Mineral Proc, Beijing 100160, Peoples R China
Kunming Univ Sci & Technol, Yunnan Key Lab Green Separat & Enrichment Strateg, Kunming 650093, Yunnan, Peoples R ChinaKunming Univ Sci & Technol, Fac Land Resource Engn, State Key Lab Complex Nonferrous Met Resources Cl, Kunming 650093, Yunnan, Peoples R China
Wang, Han
Wen, Shuming
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Kunming Univ Sci & Technol, Fac Land Resource Engn, State Key Lab Complex Nonferrous Met Resources Cl, Kunming 650093, Yunnan, Peoples R ChinaKunming Univ Sci & Technol, Fac Land Resource Engn, State Key Lab Complex Nonferrous Met Resources Cl, Kunming 650093, Yunnan, Peoples R China
Wen, Shuming
Han, Guang
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Kunming Univ Sci & Technol, Fac Land Resource Engn, State Key Lab Complex Nonferrous Met Resources Cl, Kunming 650093, Yunnan, Peoples R ChinaKunming Univ Sci & Technol, Fac Land Resource Engn, State Key Lab Complex Nonferrous Met Resources Cl, Kunming 650093, Yunnan, Peoples R China
Han, Guang
He, Yongxin
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Inter Mongolia Xingye Min Co Ltd, Chifeng 024028, Peoples R ChinaKunming Univ Sci & Technol, Fac Land Resource Engn, State Key Lab Complex Nonferrous Met Resources Cl, Kunming 650093, Yunnan, Peoples R China
He, Yongxin
Feng, Qicheng
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Kunming Univ Sci & Technol, Fac Land Resource Engn, State Key Lab Complex Nonferrous Met Resources Cl, Kunming 650093, Yunnan, Peoples R China
State Key Lab Mineral Proc, Beijing 100160, Peoples R China
Kunming Univ Sci & Technol, Yunnan Key Lab Green Separat & Enrichment Strateg, Kunming 650093, Yunnan, Peoples R ChinaKunming Univ Sci & Technol, Fac Land Resource Engn, State Key Lab Complex Nonferrous Met Resources Cl, Kunming 650093, Yunnan, Peoples R China
机构:
Cent South Univ, Minist Educ Carbon Emiss Reduct Met Resource Explo, Engn Res Ctr, Changsha 410083, Peoples R ChinaCent South Univ, Minist Educ Carbon Emiss Reduct Met Resource Explo, Engn Res Ctr, Changsha 410083, Peoples R China
Lan, Liujia
Sun, Wei
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Cent South Univ, Minist Educ Carbon Emiss Reduct Met Resource Explo, Engn Res Ctr, Changsha 410083, Peoples R ChinaCent South Univ, Minist Educ Carbon Emiss Reduct Met Resource Explo, Engn Res Ctr, Changsha 410083, Peoples R China
Sun, Wei
Yang, Yue
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Cent South Univ, Minist Educ Carbon Emiss Reduct Met Resource Explo, Engn Res Ctr, Changsha 410083, Peoples R ChinaCent South Univ, Minist Educ Carbon Emiss Reduct Met Resource Explo, Engn Res Ctr, Changsha 410083, Peoples R China
Yang, Yue
Jiang, Feng
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Cent South Univ, Minist Educ Carbon Emiss Reduct Met Resource Explo, Engn Res Ctr, Changsha 410083, Peoples R ChinaCent South Univ, Minist Educ Carbon Emiss Reduct Met Resource Explo, Engn Res Ctr, Changsha 410083, Peoples R China
Jiang, Feng
Wang, Li
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Cent South Univ, Minist Educ Carbon Emiss Reduct Met Resource Explo, Engn Res Ctr, Changsha 410083, Peoples R ChinaCent South Univ, Minist Educ Carbon Emiss Reduct Met Resource Explo, Engn Res Ctr, Changsha 410083, Peoples R China
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Kunming Univ Sci & Technol, Fac Met & Energy Engn, State Key Lab Complex Nonferrous Met Resources Cle, Kunming 650093, Peoples R ChinaKunming Univ Sci & Technol, Fac Met & Energy Engn, State Key Lab Complex Nonferrous Met Resources Cle, Kunming 650093, Peoples R China
Huang, Shan
Huang, Lingyun
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Kunming Univ Sci & Technol, Fac Met & Energy Engn, State Key Lab Complex Nonferrous Met Resources Cle, Kunming 650093, Peoples R China
Kunming Univ Sci & Technol, Fac Land Resources Engn, Kunming 650093, Peoples R ChinaKunming Univ Sci & Technol, Fac Met & Energy Engn, State Key Lab Complex Nonferrous Met Resources Cle, Kunming 650093, Peoples R China
Huang, Lingyun
Li, Qiaolei
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Kunming Univ Sci & Technol, Fac Met & Energy Engn, State Key Lab Complex Nonferrous Met Resources Cle, Kunming 650093, Peoples R ChinaKunming Univ Sci & Technol, Fac Met & Energy Engn, State Key Lab Complex Nonferrous Met Resources Cle, Kunming 650093, Peoples R China
Li, Qiaolei
Zhou, Jianhan
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Kunming Univ Sci & Technol, Fac Met & Energy Engn, State Key Lab Complex Nonferrous Met Resources Cle, Kunming 650093, Peoples R ChinaKunming Univ Sci & Technol, Fac Met & Energy Engn, State Key Lab Complex Nonferrous Met Resources Cle, Kunming 650093, Peoples R China
Zhou, Jianhan
Xu, Yonghong
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Kunming Univ Sci & Technol, Fac Met & Energy Engn, State Key Lab Complex Nonferrous Met Resources Cle, Kunming 650093, Peoples R ChinaKunming Univ Sci & Technol, Fac Met & Energy Engn, State Key Lab Complex Nonferrous Met Resources Cle, Kunming 650093, Peoples R China
Xu, Yonghong
Lv, Jinfang
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Kunming Univ Sci & Technol, Fac Met & Energy Engn, State Key Lab Complex Nonferrous Met Resources Cle, Kunming 650093, Peoples R ChinaKunming Univ Sci & Technol, Fac Met & Energy Engn, State Key Lab Complex Nonferrous Met Resources Cle, Kunming 650093, Peoples R China
Lv, Jinfang
Xie, Xian
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Kunming Univ Sci & Technol, Fac Met & Energy Engn, State Key Lab Complex Nonferrous Met Resources Cle, Kunming 650093, Peoples R ChinaKunming Univ Sci & Technol, Fac Met & Energy Engn, State Key Lab Complex Nonferrous Met Resources Cle, Kunming 650093, Peoples R China
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Kunming Univ Sci & Technol, Fac Land Resource Engn, State Key Lab Complex Nonferrous Met Resources Cl, Kunming 650093, Yunnan, Peoples R China
State Key Lab Mineral Proc, Beijing 100160, Peoples R China
Kunming Univ Sci & Technol, Yunnan Key Lab Green Separat & Enrichment Strateg, Kunming 650093, Yunnan, Peoples R ChinaKunming Univ Sci & Technol, Fac Land Resource Engn, State Key Lab Complex Nonferrous Met Resources Cl, Kunming 650093, Yunnan, Peoples R China
Wang, Han
Wen, Shuming
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Kunming Univ Sci & Technol, Fac Land Resource Engn, State Key Lab Complex Nonferrous Met Resources Cl, Kunming 650093, Yunnan, Peoples R ChinaKunming Univ Sci & Technol, Fac Land Resource Engn, State Key Lab Complex Nonferrous Met Resources Cl, Kunming 650093, Yunnan, Peoples R China
Wen, Shuming
Han, Guang
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Kunming Univ Sci & Technol, Fac Land Resource Engn, State Key Lab Complex Nonferrous Met Resources Cl, Kunming 650093, Yunnan, Peoples R ChinaKunming Univ Sci & Technol, Fac Land Resource Engn, State Key Lab Complex Nonferrous Met Resources Cl, Kunming 650093, Yunnan, Peoples R China
Han, Guang
He, Yongxin
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Inter Mongolia Xingye Min Co Ltd, Chifeng 024028, Peoples R ChinaKunming Univ Sci & Technol, Fac Land Resource Engn, State Key Lab Complex Nonferrous Met Resources Cl, Kunming 650093, Yunnan, Peoples R China
He, Yongxin
Feng, Qicheng
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Kunming Univ Sci & Technol, Fac Land Resource Engn, State Key Lab Complex Nonferrous Met Resources Cl, Kunming 650093, Yunnan, Peoples R China
State Key Lab Mineral Proc, Beijing 100160, Peoples R China
Kunming Univ Sci & Technol, Yunnan Key Lab Green Separat & Enrichment Strateg, Kunming 650093, Yunnan, Peoples R ChinaKunming Univ Sci & Technol, Fac Land Resource Engn, State Key Lab Complex Nonferrous Met Resources Cl, Kunming 650093, Yunnan, Peoples R China
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Cent South Univ, Minist Educ Carbon Emiss Reduct Met Resource Explo, Engn Res Ctr, Changsha 410083, Peoples R ChinaCent South Univ, Minist Educ Carbon Emiss Reduct Met Resource Explo, Engn Res Ctr, Changsha 410083, Peoples R China
Lan, Liujia
Sun, Wei
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Cent South Univ, Minist Educ Carbon Emiss Reduct Met Resource Explo, Engn Res Ctr, Changsha 410083, Peoples R ChinaCent South Univ, Minist Educ Carbon Emiss Reduct Met Resource Explo, Engn Res Ctr, Changsha 410083, Peoples R China
Sun, Wei
Yang, Yue
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Cent South Univ, Minist Educ Carbon Emiss Reduct Met Resource Explo, Engn Res Ctr, Changsha 410083, Peoples R ChinaCent South Univ, Minist Educ Carbon Emiss Reduct Met Resource Explo, Engn Res Ctr, Changsha 410083, Peoples R China
Yang, Yue
Jiang, Feng
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Cent South Univ, Minist Educ Carbon Emiss Reduct Met Resource Explo, Engn Res Ctr, Changsha 410083, Peoples R ChinaCent South Univ, Minist Educ Carbon Emiss Reduct Met Resource Explo, Engn Res Ctr, Changsha 410083, Peoples R China
Jiang, Feng
Wang, Li
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Cent South Univ, Minist Educ Carbon Emiss Reduct Met Resource Explo, Engn Res Ctr, Changsha 410083, Peoples R ChinaCent South Univ, Minist Educ Carbon Emiss Reduct Met Resource Explo, Engn Res Ctr, Changsha 410083, Peoples R China
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Kunming Univ Sci & Technol, Fac Met & Energy Engn, State Key Lab Complex Nonferrous Met Resources Cle, Kunming 650093, Peoples R ChinaKunming Univ Sci & Technol, Fac Met & Energy Engn, State Key Lab Complex Nonferrous Met Resources Cle, Kunming 650093, Peoples R China
Huang, Shan
Huang, Lingyun
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Kunming Univ Sci & Technol, Fac Met & Energy Engn, State Key Lab Complex Nonferrous Met Resources Cle, Kunming 650093, Peoples R China
Kunming Univ Sci & Technol, Fac Land Resources Engn, Kunming 650093, Peoples R ChinaKunming Univ Sci & Technol, Fac Met & Energy Engn, State Key Lab Complex Nonferrous Met Resources Cle, Kunming 650093, Peoples R China
Huang, Lingyun
Li, Qiaolei
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Kunming Univ Sci & Technol, Fac Met & Energy Engn, State Key Lab Complex Nonferrous Met Resources Cle, Kunming 650093, Peoples R ChinaKunming Univ Sci & Technol, Fac Met & Energy Engn, State Key Lab Complex Nonferrous Met Resources Cle, Kunming 650093, Peoples R China
Li, Qiaolei
Zhou, Jianhan
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Kunming Univ Sci & Technol, Fac Met & Energy Engn, State Key Lab Complex Nonferrous Met Resources Cle, Kunming 650093, Peoples R ChinaKunming Univ Sci & Technol, Fac Met & Energy Engn, State Key Lab Complex Nonferrous Met Resources Cle, Kunming 650093, Peoples R China
Zhou, Jianhan
Xu, Yonghong
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Kunming Univ Sci & Technol, Fac Met & Energy Engn, State Key Lab Complex Nonferrous Met Resources Cle, Kunming 650093, Peoples R ChinaKunming Univ Sci & Technol, Fac Met & Energy Engn, State Key Lab Complex Nonferrous Met Resources Cle, Kunming 650093, Peoples R China
Xu, Yonghong
Lv, Jinfang
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Kunming Univ Sci & Technol, Fac Met & Energy Engn, State Key Lab Complex Nonferrous Met Resources Cle, Kunming 650093, Peoples R ChinaKunming Univ Sci & Technol, Fac Met & Energy Engn, State Key Lab Complex Nonferrous Met Resources Cle, Kunming 650093, Peoples R China
Lv, Jinfang
Xie, Xian
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Kunming Univ Sci & Technol, Fac Met & Energy Engn, State Key Lab Complex Nonferrous Met Resources Cle, Kunming 650093, Peoples R ChinaKunming Univ Sci & Technol, Fac Met & Energy Engn, State Key Lab Complex Nonferrous Met Resources Cle, Kunming 650093, Peoples R China