Recent advances for understanding the role of nanobubbles in particles flotation

F Zhang, L Sun, H Yang, X Gui, H Schönherr… - Advances in Colloid and …, 2021 - Elsevier
Traditional froth flotation is the primary method for the separation and upgrading of fine
mineral particles. However, it is still difficult for micro-fine and low-quality minerals to …

Surface nanobubble characterization and its enhancement mechanisms for fine-particle flotation: A review

F Ma, P Zhang, D Tao - International Journal of Minerals, Metallurgy and …, 2022 - Springer
Froth flotation is often used for fine-particle separation, but its process efficiency rapidly
decreases with decreasing particle size. The efficient separation of ultrafine particles (UFPs) …

Ultrahigh density of gas molecules confined in surface nanobubbles in ambient water

L Zhou, X Wang, HJ Shin, J Wang, R Tai… - Journal of the …, 2020 - ACS Publications
To understand the unexpected and puzzling long-term stability of nanoscale gas bubbles, it
is crucial to probe their nature and intrinsic properties. We report herein synchrotron-based …

Formation and stability of bulk nanobubbles in different solutions

S Ke, W Xiao, N Quan, Y Dong, L Zhang, J Hu - Langmuir, 2019 - ACS Publications
The existence of bulk nanobubbles is still controversial in spite of their significance in a large
range of applications. Here, we developed a new method of compression–decompression to …

Recent developments in generation, detection and application of nanobubbles in flotation

S Nazari, A Hassanzadeh, Y He, H Khoshdast… - Minerals, 2022 - mdpi.com
This paper reviews recent developments in the fundamental understating of ultrafine (nano)
bubbles (NBs) and presents technological advances and reagent types used for their …

The role of interfacial nanobubbles in the flotation performance of microfine particles

F Zhang, H Cai, G Fan, X Gui, Y Xing, Y Cao - Colloids and Surfaces A …, 2024 - Elsevier
The enhanced role of Interfacial nanobubbles (INBs) in microfine particles flotation is still
unclear. In this study, the microfine particles with different sizes were functionalized to obtain …

Nanobubbles heterogeneous nucleation induced by temperature rise and its influence on minerals flotation

W Zhou, C Wu, H Lv, B Zhao, K Liu, L Ou - Applied Surface Science, 2020 - Elsevier
The application of nanobubbles (NBs) in mineral flotation has been widely explored in the
last decade, while much few researches have been done on revealing the heterogeneous …

Hydrocarbons enhanced generation of surface nanobubbles by ethanol-water exchange

H Fang, Y Zhou, X Wang, L Zhou, L Zhang, J Hu… - Colloids and Surfaces A …, 2024 - Elsevier
The ethanol-water (EW) exchange at the graphite surface is a convenient method for
creating surface nanobubbles due to its high efficiency and repeatability. However …

Evolution of Bulk Nanobubbles under Different Freezing Conditions

J Qi, Q Huang, K Yuan, H Fang, L Zhang, J Hu - Langmuir, 2023 - ACS Publications
The freezing process of aqueous solutions plays a crucial role in various applications
including cryopreservation, glaciers, and frozen materials. However, less research has …

[HTML][HTML] Destabilizing surface bubbles with excessive bulk oversaturation

L Ouyang, Q Zeng, NT Nguyen, BH Tan, H An - Colloids and Surfaces A …, 2024 - Elsevier
The response and dynamics of surface-attached bubbles in gas-oversaturated environments
have practical implications for industrial processes such as photocatalytic water splitting …