Manganese recycling of spent lithium-ion batteries via solvent extraction

A Keller, MW Hlawitschka, HJ Bart - Separation and Purification Technology, 2021 - Elsevier
Solvent extraction of manganese was performed in a lab-scale DN50 pulsed disc and
doughnut column. Optimal conditions for hydrodynamics and mass transfer were evaluated …

Investigation of dispersed phase holdup in a Tenova pulsed liquid-liquid extraction column

N Rahimpour, H Bahmanyar, A Hemmati… - Journal of the Taiwan …, 2023 - Elsevier
Background Pulsed extraction columns have been designed and studied in different types of
internal equipment such as packed, tray, and doughnut discs. In recent years (2017) …

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 …

Performance prediction of disc and doughnut extraction columns using bayes optimization algorithm-based machine learning models

Z Su, Y Wang, B Tan, Q Cheng, X Duan, D Xu… - … and Processing-Process …, 2023 - Elsevier
Pulsed disk and doughnut column (PDDC) is widely applied in liquid-liquid solvent
extraction. Due to a nonlinear and complex mechanism in PDDC, existing single empirical …

Characterization of mass transfer study in a Kühni continuous extractor for rare earth processing using axial dispersion and backflow models

R Torkaman, M Saremi, M Torab-Mostaedi… - … Communications in Heat …, 2021 - Elsevier
An experimental and modeling approach is presented to study the impact of operating
parameters on mass transfer rate during reactive extraction in the Kühni continuous …

Pulsatile flow of power-law fluids over a heated cylinder: Flow and heat transfer characteristics

S Gupta, SA Patel, RP Chhabra - International Journal of Thermal Sciences, 2020 - Elsevier
This study examines the momentum and heat transfer aspects of the laminar forced-
convection induced by a pulsatile flow of power-law fluids past a heated circular cylinder by …

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 …