Liquid-liquid dispersion in pulsed disc and doughnut column and pulsed sieve plate column: A comparative study

S Sarkar, N Sen, KK Singh, S Mukhopadhyay… - Progress in Nuclear …, 2019 - Elsevier
Pulsed disc and doughnut columns (PDDCs) and pulsed sieve plate columns (PSPCs) are
widely used for liquid-liquid extraction processes in nuclear fuel cycle. In this study …

Experimental investigation on dispersed phase holdup in an L-shape pulsed packed extraction column

S Khooshechin, J Safdari, MH Mallah… - Progress in Nuclear …, 2021 - Elsevier
In this study, the dispersed phase hold-up has been investigated in a pilot plant of a new
type of extraction column entitled “L-shaped pulsed packed extraction column” by using two …

CFD-PB studies on effect of internals on specific interfacial area in a pulsed sieve plate columns

N Sen, KK Singh, AW Patwardhan… - … Research and Design, 2024 - Elsevier
A CFD model coupled with population balance equations is developed to systematically
study the effects of column internals on specific interfacial area generated in a pulsed sieve …

CFD modeling of pulsed disc and doughnut column: prediction of axial dispersion in pulsatile liquid–liquid two-phase flow

S Sarkar, KK Singh, KT Shenoy - Industrial & Engineering …, 2019 - ACS Publications
Numerical simulations of liquid–liquid counter-current two-phase flow in pulsed disc and
doughnut columns (PDDCs) are performed. The simulation methodology comprises two …

Modeling dispersed phase holdup and conditions of flooding in a pulsed disc and doughnut solvent extraction column

V Sinha, T Vincent, M Pera-Titus - Chemical Engineering Journal, 2025 - Elsevier
Pulsed disc and doughnut solvent extraction columns (PDDCs) have emerged as an
efficient alternative to conventional mixer-settlers and pulsed sieve plate extraction columns …

Experimental study of unsteady drag coefficient of droplets in a liquid–liquid system

B Tan, Y Wang, Y Zhang, Q Cheng, D Xu… - Industrial & …, 2023 - ACS Publications
In liquid–liquid contact process, the motion of droplets relative to the surrounding fluid
always involves accelerating and decelerating, which affects the mass, heat, and momentum …

Study on dispersed-phase axial dispersion in an agitated–pulsed solvent extraction column with a step tracer injection technique

B Tan, Y Zhang, Y Wang, T Qi - Industrial & Engineering Chemistry …, 2021 - ACS Publications
In this work, the residence time distribution (RTD) of the dispersed phase (aqueous phase)
and continuous phase (organic phase) in an agitated–pulsed extraction column (APC) was …

CFD-PB modelling of liquid–liquid two-phase flow in pulsed disc and doughnut column

S Sarkar, KK Singh, SM Mahajani… - … Extraction and Ion …, 2020 - Taylor & Francis
Computational fluid dynamics–population balance (CFD-PB) simulations are performed to
predict Sauter mean drop diameter and dispersed phase holdup for liquid–liquid two-phase …

Effect of operating and geometric parameters on axial dispersion in pulsed disc and doughnut and pulsed sieve plate columns: A comparative study

N Sen, S Sarkar, KK Singh, KT Shenoy - Progress in Nuclear Energy, 2021 - Elsevier
Experiments are conducted to understand the effects of important geometrical and operating
parameters on continuous phase axial dispersion in liquid-liquid two-phase flow in air …

Experimental modeling of slip velocity in an L-shape pulsed packed extraction column using response surface methodology

S Khooshechin - Annals of Nuclear Energy, 2024 - Elsevier
The “L-shaped pulsed packed extraction column,” a distinctive form of extraction column, is
used in this study to examine the impacts of operational parameters and the physical …