Nanobubble generation and its application in froth flotation (part I): nanobubble generation and its effects on properties of microbubble and millimeter scale bubble solutions

Maoming FAN; Daniel TAO; Rick HONAKER; Zhenfu LUO

doi:10.1016/S1674-5264(09)60154-X

Nanobubble generation and its application in froth flotation (part I): nanobubble generation and its effects on properties of microbubble and millimeter scale bubble solutions

Maoming FAN
, Daniel TAO
, Rick HONAKER
, Zhenfu LUO

Mining Engineering

Research output: Contribution to journal › Article › peer-review

235 Scopus citations

Abstract

A special nanobubble generation system has been developed for evaluating the effect of nanobubble on froth flotation. In this study, an eight-factor five-level Central Composite Experimental Design was conducted for investigating eight important parameters governing the median size and the volume of nanobubbles. These process parameters included surfactant concentration, dissolved oxygen (O₂) content, dissolved carbon dioxide gas (CO₂) content, pressure drop in cavitation tube nozzle, <50 nm hydrophobic particle concentration, <50 nm hydrophilic particle concentration, slurry temperature and the time interval after nano- bubble generation. The properties, stability and uniformity of nanobubbles were investigated. The study of the produced nanobubble's effects on the characteristics of microbubble solutions and millimeter scale bubble solutions was performed in a 50.8 mm column.

Original language	English
Pages (from-to)	1-19
Number of pages	19
Journal	Mining Science and Technology
Volume	20
Issue number	1
DOIs	https://doi.org/10.1016/S1674-5264(09)60154-X
State	Published - Jan 2010

Bibliographical note

Funding Information:
The authors wish to acknowledge the Florida Institute of Phosphate Research (FIPR), the Center for Advanced Separation Technologies (CAST) and the National Natural Science Foundation of China (Nos.50921002 and 90510002) for the financial support. Special thanks to the Director of CAST, Dr. Roe-Hoan Yoon and the project manager of FIPR, Dr. Patrick Zhang for their valuable advice and support.

Funding

The authors wish to acknowledge the Florida Institute of Phosphate Research (FIPR), the Center for Advanced Separation Technologies (CAST) and the National Natural Science Foundation of China (Nos.50921002 and 90510002) for the financial support. Special thanks to the Director of CAST, Dr. Roe-Hoan Yoon and the project manager of FIPR, Dr. Patrick Zhang for their valuable advice and support.

Funders	Funder number
Center for Advanced Separation Technologies
Florida Institute of Phosphate Research
National Natural Science Foundation of China (NSFC)	50921002, 90510002

Keywords

Zeta potential
cavitation
froth flotation
microbubble
nanobubble

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Geotechnical Engineering and Engineering Geology
Energy Engineering and Power Technology
Geochemistry and Petrology
Electrical and Electronic Engineering

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10.1016/S1674-5264(09)60154-X

Cite this

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title = "Nanobubble generation and its application in froth flotation (part I): nanobubble generation and its effects on properties of microbubble and millimeter scale bubble solutions",

abstract = "A special nanobubble generation system has been developed for evaluating the effect of nanobubble on froth flotation. In this study, an eight-factor five-level Central Composite Experimental Design was conducted for investigating eight important parameters governing the median size and the volume of nanobubbles. These process parameters included surfactant concentration, dissolved oxygen (O2) content, dissolved carbon dioxide gas (CO2) content, pressure drop in cavitation tube nozzle, <50 nm hydrophobic particle concentration, <50 nm hydrophilic particle concentration, slurry temperature and the time interval after nano- bubble generation. The properties, stability and uniformity of nanobubbles were investigated. The study of the produced nanobubble's effects on the characteristics of microbubble solutions and millimeter scale bubble solutions was performed in a 50.8 mm column.",

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author = "Maoming FAN and Daniel TAO and Rick HONAKER and Zhenfu LUO",

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AU - HONAKER, Rick

AU - LUO, Zhenfu

N1 - Funding Information: The authors wish to acknowledge the Florida Institute of Phosphate Research (FIPR), the Center for Advanced Separation Technologies (CAST) and the National Natural Science Foundation of China (Nos.50921002 and 90510002) for the financial support. Special thanks to the Director of CAST, Dr. Roe-Hoan Yoon and the project manager of FIPR, Dr. Patrick Zhang for their valuable advice and support.

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N2 - A special nanobubble generation system has been developed for evaluating the effect of nanobubble on froth flotation. In this study, an eight-factor five-level Central Composite Experimental Design was conducted for investigating eight important parameters governing the median size and the volume of nanobubbles. These process parameters included surfactant concentration, dissolved oxygen (O2) content, dissolved carbon dioxide gas (CO2) content, pressure drop in cavitation tube nozzle, <50 nm hydrophobic particle concentration, <50 nm hydrophilic particle concentration, slurry temperature and the time interval after nano- bubble generation. The properties, stability and uniformity of nanobubbles were investigated. The study of the produced nanobubble's effects on the characteristics of microbubble solutions and millimeter scale bubble solutions was performed in a 50.8 mm column.

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KW - Zeta potential

KW - cavitation

KW - froth flotation

KW - microbubble

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Nanobubble generation and its application in froth flotation (part I): nanobubble generation and its effects on properties of microbubble and millimeter scale bubble solutions

Abstract

Bibliographical note

Funding

Keywords

ASJC Scopus subject areas

Access to Document

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