Intensification of interfacial adsorption of dodecylamine onto quartz by ultrasonic method
作者： Lu Yang , Xin Li , Wenfeng Li , Xiaokang Yan , Haijun Zhang
DOI: 10.1016/J.SEPPUR.2019.115701
关键词:
摘要: Abstract Besides being a versatile mineral resource, quartz is also common gangue in separation. The separation and enrichment of minerals are particularly important industrial production. Cationic surfactants dodecylamine (DDA) mainly used as collector the flotation it consists hydrophilic amino group which attach to surface, hydrophobic carbon-chain groups make hydrophobic. So adsorption behaviour DDA vital flotation. In this paper, we examine an ultrasonic method for enhancing froth quartz. mechanism onto systematically investigated via Fourier transform infrared spectroscopy (FTIR) measurements, heat amount tests, contact angle analysis, induction time X-ray photoelectron (XPS) analysis. Our results indicate that ultrasonication does not change functional DDA, however, intensity with −26.56 J/g between ultrasonically treated fairly large. significantly increases after without increasing its concentration, maximum particles conditioning by increase from 53.07° (for untreated DDA) 66.13° at concentration 8 × 10−5 mol/L. bubble attachment observed decrease 30 ms 20 ms compared treatment, coupled greater performance solution treatment. And XPS analysis confirms surface. Further, perform micro-flotation tests verify enhanced surface different initial concentrations; improves recovery quartz, moderate concentrations. This study beneficial understanding interfacial intensification particles.
sci-hub.se 参考文章(64)
Hrushikesh Sahoo, Swagat S Rath, Bisweswar Das, Barada Kanta Mishra, None, Flotation of quartz using ionic liquid collectors with different functional groups and varying chain lengths Minerals Engineering. ,vol. 95, pp. 107- 112 ,(2016) , 10.1016/J.MINENG.2016.06.024
A. Vidyadhar, K. Hanumantha Rao, K. S. E. Forssberg, Separation of feldspar from quartz: Mechanism of mixed cationic/anionic collector adsorption on minerals and flotation selectivity Mining, Metallurgy & Exploration. ,vol. 19, pp. 128- 136 ,(2002) , 10.1007/BF03403165
Y. YE, J. D. MILLER, Bubble/Particle Contact Time in the Analysis of Coal Flotation Coal Preparation. ,vol. 5, pp. 147- 166 ,(1988) , 10.1080/07349348808945563
Li Wang, Runqing Liu, Yuehua Hu, Jiapeng Liu, Wei Sun, Adsorption behavior of mixed cationic/anionic surfactants and their depression mechanism on the flotation of quartz Powder Technology. ,vol. 302, pp. 15- 20 ,(2016) , 10.1016/J.POWTEC.2016.08.043
A.R. Videla, R. Morales, T. Saint-Jean, L. Gaete, Y. Vargas, J.D. Miller, Ultrasound treatment on tailings to enhance copper flotation recovery Minerals Engineering. ,vol. 99, pp. 89- 95 ,(2016) , 10.1016/J.MINENG.2016.09.019
Wenbao Liu, Wengang Liu, Dezhou Wei, Mingyang Li, Qiang Zhao, Shucong Xu, Synthesis of N,N-Bis(2-hydroxypropyl)laurylamine and its flotation on quartz Chemical Engineering Journal. ,vol. 309, pp. 63- 69 ,(2017) , 10.1016/J.CEJ.2016.10.036
Xiaofang You, Lin Li, Jiongtian Liu, Lei Wu, Meng He, Xianjun Lyu, Investigation of particle collection and flotation kinetics within the Jameson cell downcomer Powder Technology. ,vol. 310, pp. 221- 227 ,(2017) , 10.1016/J.POWTEC.2017.01.002
Qinbo Cao, Jinhua Cheng, Qicheng Feng, Shuming Wen, Bin Luo, Surface cleaning and oxidative effects of ultrasonication on the flotation of oxidized pyrite Powder Technology. ,vol. 311, pp. 390- 397 ,(2017) , 10.1016/J.POWTEC.2017.01.069
Xiangning Bu, Geoffrey Evans, Guangyuan Xie, Yaoli Peng, Zungan Zhang, Chao Ni, Linhan Ge, Removal of fine quartz from coal-series kaolin by flotation Applied Clay Science. ,vol. 143, pp. 437- 444 ,(2017) , 10.1016/J.CLAY.2017.04.020
Xingrong Zhang, Yangge Zhu, Yu Xie, Yanbo Shang, Guibing Zheng, A novel macromolecular depressant for reverse flotation: Synthesis and depressing mechanism in the separation of hematite and quartz Separation and Purification Technology. ,vol. 186, pp. 175- 181 ,(2017) , 10.1016/J.SEPPUR.2017.05.051