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 …

RSM and ANN modeling of hold up, slip, and characteristic velocities in standard systems using pulsed disc-and-doughnut contactor column

A Hemmati, A Ghaemi… - Separation Science and …, 2021 - Taylor & Francis
The liquid-liquid extraction process is numerically studied based on two modeling
approaches of artificial neural network (ANN) and response surface methodology (RSM) …

Effects of the presence and absence of nanoparticles in the hold-up and hydrodynamic velocities in the pulsed disc and doughnut column by using central composite …

R Torkaman, MRA Rovais, M Heydari… - Progress in Nuclear …, 2022 - Elsevier
The pulsed disc and doughnut column (PDDC) presents a valuable and profoundly
satisfying solution for recovering and purifying components from mixtures when a separation …

Estimation of droplet size distribution by using maximum entropy programming and population balance equations in pulsed disc-doughnut column

M Asadollahzadeh, R Torkaman… - … Research and Design, 2022 - Elsevier
The pulsed disc-doughnut column is used in various industrial applications. Knowing size
distributions of the dispersed phase droplets through this column is necessary to …

CFD–PBM simulation of two-phase flow in a pulsed disc and doughnut column with directly measured breakup kernel functions

X Yu, H Zhou, S **g, W Lan, S Li - Chemical Engineering Science, 2019 - Elsevier
The pulsed disc and doughnut column (PDDC) is a widely used type of liquid–liquid
extraction equipment. Both the research and design of this type of equipment require in …

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 …

Single-Phase Flow Studies Using Radioactive Particle Tracking in an Air-Pulsed Column Having a Novel Plate Internal

P Pillajetti, R Gupta, S Goswami, HJ Pant… - Industrial & …, 2023 - ACS Publications
The transport processes in liquid–liquid extraction pulsed columns are significantly
influenced by the localized flow field in the column. The localized flow field refers to the local …

Two-phase CFD modeling of pulsed disc and doughnut column: Prediction of dispersed phase holdup

S Sarkar, KK Singh, KT Shenoy - Separation and Purification Technology, 2019 - Elsevier
CFD simulations of Pulsed Disc and Doughnut Columns (PDDCs), which are used in solvent
extraction based separation processes, are preformed to predict dispersed phase holdup in …

Study of mass transfer and emphasis on pulsed and non-pulsed conditions for implementing cobalt extraction in the pilot plant column with disc and doughnut …

M Asadollahzadeh, R Torkaman… - … Communications in Heat …, 2025 - Elsevier
Choosing equipment that has a higher rate of transferring mass and consumes less energy
is essential for effectively extracting and separating cobalt ions in liquid-liquid extraction …

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 …