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) …

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 …

The performance of pulsed scale-up column for permeable of selenium and tellurium ions to organic phase, case study: Disc and doughnut structure

B Shakib, R Torkaman, MT Mostaedi… - … and Processing-Process …, 2020 - Elsevier
A research investigation of the overall mass transfer coefficients, holdup and mean drops of
dispersed phase as well as slip and characteristic velocities were carried out in the pulsed …

Study on the feasibility of using a pilot plant Scheibel extraction column for the extraction and separation of lanthanum and cerium from aqueous solution

M Asadollahzadeh, R Torkaman… - Korean Journal of …, 2020 - Springer
Batch and continuous experiments were carried out in a Scheibel extraction column to
separate La (III) from Ce (III). Central composite design was used to evaluate the influence of …

Effect of operating and geometric parameters on dispersed phase holdup in pulsed disc and doughnut and pulsed sieve plate columns: a comparative study

S Sarkar, N Sen, KK Singh, S Mukhopadhyay… - … and Processing: Process …, 2017 - Elsevier
A detailed experimental study is performed to understand the effects of different operating
and geometrical parameters on dispersed phase holdup in Pulsed Disc and Doughnut …

Experimental modeling and uncertainty analysis of dispersed phase holdup at flooding in a pulsed disc-doughnut column, case study: Response surface methodology …

B Shakib, A Ghaemi, A Hemmati… - Progress in Nuclear …, 2021 - Elsevier
This study aims to investigate, optimize, and simulate the dispersed phase holdup at
flooding conditions for the standard physical systems in a pulsed extraction column with the …

Mass transfer studies in RDC column by the coupling effects of perforated structure and reactive extraction of Mo (VI) and W (VI) from sulfate solution

B Shakib, R Torkaman, M Torab-Mostaedi… - … Communications in Heat …, 2020 - Elsevier
Solvent extraction of molybdenum (VI) and tungsten (VI) by synergism of the mixture of D 2
EHPA and TBP were conducted in the RDC extractor with perforated structure. The initial …

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 …

Direct measurement of droplet breakage in a pulsed disc and doughnut column

H Zhou, S Jing, Q Fang, S Li, W Lan - AIChE Journal, 2017 - Wiley Online Library
The lack of experimental data for the droplet breakup has been one of the limitations for the
application of population balance model (PBM). In this work, a high‐speed camera was …

Experimental Studies on Two-Phase Flow with a Novel Slotted Plate Internal in an Air Pulsed Column

A Sharma, N Sen, S Sarkar, KK Singh… - … Extraction and Ion …, 2024 - Taylor & Francis
ABSTRACT A novel air pulsed column plate internal featuring plates having concentric
circular slots of fixed width (3 mm) is conceptualized, tested, and compared against standard …