Nanobubbles in water and wastewater treatment systems: small bubbles making a big difference

M Jia, MU Farid, JA Kharraz, NM Kumar, SS Chopra… - Water Research, 2023 - Elsevier
Since the discovery of nanobubbles (NBs) in 1994, NBs have been attracting growing
attention for their fascinating properties and have been studied for application in various …

Ozone nanobubble technology as a novel AOPs for pollutants degradation under high salinity conditions

P Koundle, N Nirmalkar, M Momotko, G Boczkaj - Water Research, 2024 - Elsevier
Conventional water treatment systems frequently exhibit diminished efficiency at high
salinity-a significant issue especially for real industrial effluents-mostly due to the creation of …

Do Nanobubbles Exist in Pure Alcohol?

H Sharma, M Trivedi, N Nirmalkar - Langmuir, 2024 - ACS Publications
The existence of nanobubbles in pure water has been extensively debated in recent years,
and it is speculated that nanobubbles may be ion-stabilized. However, nanobubbles in the …

Effect of chemical species and temperature on the stability of air nanobubbles

SM Montazeri, N Kalogerakis, G Kolliopoulos - Scientific Reports, 2023 - nature.com
The colloidal stability of air nanobubbles (NBs) was studied at different temperatures (0–30°
C) and in the presence of sulfates, typically found in mining effluents, in a wide range of …

Nanobubble reactivity: evaluating hydroxyl radical generation (or lack thereof) under ambient conditions

SH Chae, MS Kim, JH Kim, JD Fortner - ACS Es&t Engineering, 2023 - ACS Publications
Nanobubble (NB) generation of reactive oxygen species (ROS), especially hydroxyl radical
(· OH), has been controversial. In this work, we extensively characterize NBs in solution, with …

On nanobubble dynamics under an oscillating pressure field during salting-out effects and its dlvo potential

K Agarwal, M Trivedi, CD Ohl, N Nirmalkar - Langmuir, 2023 - ACS Publications
We have investigated the origin, stability, and nanobubble dynamics under an oscillating
pressure field followed by the salting-out effects. The higher solubility ratio (salting-out …

Experimental investigation of cavitation bulk nanobubbles characteristics: effects of pH and surface-active agents

R Prakash, J Lee, Y Moon, D Pradhan, SH Kim… - Langmuir, 2023 - ACS Publications
Nanobubbles (NBs) have a widespread application in antimicrobial activity, wastewater
treatment, and ecological restoration due to numerous peculiar characteristics, such as …

Augmenting the Leidenfrost temperature of droplets via nanobubble dispersion

GVVS Vara Prasad, H Sharma, N Nirmalkar, P Dhar… - Langmuir, 2022 - ACS Publications
Droplets may rebound/levitate when deposited over a hot substrate (beyond a critical
temperature) due to the formation of a stable vapor microcushion between the droplet and …

Influences of nanobubbles on particle–particle and bubble-particle interactions: A review

N Dutta, S Mitra, N Nirmalkar - Chemical Engineering Research and Design, 2024 - Elsevier
The investigation of the interactions between particles resulting from long-range
hydrophobic forces has been thoroughly studied in the literature. The hydrophobic force is …

Investigating the stability mechanisms of single bulk Nanobubbles: A molecular dynamics perspective

J Lei, D Huang, W Zhao, S Liu, Y Yue - … Journal of Heat and Mass Transfer, 2024 - Elsevier
In this study, we investigated the relationship between bubble stability and various
parameters, including radial pressure, density, surface tension, charge distribution, and …