Liquid–liquid two-phase flow patterns in Y-junction microchannels

M Darekar, KK Singh, S Mukhopadhyay… - Industrial & …, 2017 - ACS Publications
Experiments are carried out to study liquid–liquid two-phase flow patterns in Y-junction
microchannels etched in glass chips. The liquid–liquid test systems used in the experiments …

Recovery of uranium from lean streams by extraction and direct precipitation in microchannels

N Sen, M Darekar, P Sirsat, KK Singh… - Separation and …, 2019 - Elsevier
A continuous, compact process based on microfluidic extraction and microfluidic direct
precipitation is presented for recovery of uranium from lean streams. The process involves …

On microfluidic solvent extraction of uranium

M Darekar, KK Singh, P Sapkale, AK Goswami… - … and Processing-Process …, 2018 - Elsevier
This experimental study is focused on several aspects of microfluidic solvent extraction of
uranium in setups comprising of microbore tube (s) connected to microfluidic junction (s) …

Liquid–Liquid Microextraction of Cu2+ from Water Using a New Circle Microchannel Device

S Dai, J Luo, J Li, X Zhu, Y Cao… - Industrial & Engineering …, 2017 - ACS Publications
In this work, to evaluate the new circle microchannel device for the removal of Cu2+ from
water, various parameters on the mass transfer effect and extraction efficiency were …

Microfluidic extraction of uranium from dilute streams using TiAP in ionic liquid as the solvent

N Sen, KK Singh, S Mukhopadhyay… - … Engineering Research and …, 2022 - Elsevier
A microfluidic platform to extract uranium from HNO 3 (nitric acid) medium using tri-isoamyl
phosphate (TiAP) dissolved (30% v/v) in ionic liquid ([BMIM] PF 6) is reported. PTFE …

Hydrodynamics and mass transfer in segmented flow small channel contactors for uranium extraction

E Garciadiego-Ortega, D Tsaoulidis, M Pineda… - … and Processing-Process …, 2020 - Elsevier
In this work, the extraction of U (VI) by tributyl phosphate (TBP) is studied in small channels
of different sizes, operated in segmented flow. The variables analysed include the channel …

[HTML][HTML] Intensified extraction of uranium (VI) in impinging-jets contactors

D Tsaoulidis, EG Ortega, P Angeli - Chemical Engineering Journal, 2018 - Elsevier
The mass transfer performance of confined impinging-jets (CIJs) contactors was investigated
for metal separations. In particular, the extraction of uranium (VI) from aqueous nitric acid …

Efficient removal of dissolved tributyl phosphate from nitric acid solution by a membrane dispersion micro extractor

Z Wei, Z Chen, Z Yuan, Y Dong, J Xu… - Chemical Engineering …, 2022 - Elsevier
Since the evaporator accident on the Savannah River Site,'red oil'has been considered an
important safety issue in every nuclear reprocessing plant. The removal of dissolved tributyl …

Hydrodynamic and Mass Transfer Studies in Y-Junction-Based Circular Microfluidic Platform with Nitric Acid–TBP/Dodecane System

RK Chaurasiya, KK Singh - Industrial & Engineering Chemistry …, 2025 - ACS Publications
Experimental studies on the extraction of nitric acid from an aqueous phase by an extractant
tributyl phosphate (30% v/v) dissolved in dodecane (organic phase) in a Y-junction-based …

Extraction of uranium from simulated highly active feed in a micromixer-settler with 30% TBP and 36% TiAP solvents

S Kumar, B Kumar, PK Sinha, M Sampath… - … of Radioanalytical and …, 2017 - Springer
Kinetics of U (VI) extraction, in centrifugal flow-field under PUREX conditions, is reported to
be quite fast with a time constant of about 2–5 s. To test the limits of extraction under micro …