Effect of bulk nanobubbles on flocculation of kaolin in the presence of cationic polyacrylamide
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1 Shaanxi Xineng Coal Preparation Technology Co. Ltd, Xi’an 710100, China
2 Key Laboratory of Coal Processing and Efficient Utilization (Ministry of Education), School of Chemical Engineering and Technology, China University of Mining &Technology, Xuzhou 221116, China
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Shaanxi Xineng Coal Preparation Technology Co. Ltd, Xi’an 710100, China
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General Studies Department, Jubail Industrial College, P.O. Box 10099, Jubail Industrial City 31961, Saudi Arabia
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Key Laboratory of Coal Processing and Efficient Utilization (Ministry of Education), School of Chemical Engineering and Technology, China University of Mining &Technology, Xuzhou 221116, China
Publication date: 2024-04-04
Corresponding author
Xiangning Bu
Key Laboratory of Coal Processing and Efficient Utilization (Ministry of Education), School of Chemical Engineering and Technology, China University of Mining &Technology, Xuzhou 221116, China
Physicochem. Probl. Miner. Process. 2024;60(2):186729
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ABSTRACT
The study explores the impact of nanobubble flotation technology on fine mineral processes, focusing on its interaction with cationic polyacrylamide (CPAM) in kaolin flocculation. Nanobubbles influence particle size and promote aggregation. Experimental procedures involve bulk nanobubble preparation, kaolin suspension, and CPAM solutions, with analysis of sedimentation rates, turbidity, and zeta potential. Results show accelerated sedimentation and reduced turbidity with nanobubbles compared to traditional methods. Zeta potential measurements and DLVO theory support nanobubbles' role in reducing electrostatic interaction, facilitating flocculation. This research advances understanding in nanobubble-mediated mineral processing, highlighting eco-friendly flocculants and practical implications for optimization.