Results 121 to 130 of about 535 (180)

Recovery of Metals from the "Black Mass" of Waste Portable Li-Ion Batteries with Choline Chloride-Based Deep Eutectic Solvents and Bi-Functional Ionic Liquids by Solvent Extraction. [PDF]

Molecules
Domańska U, Wiśniewska A, Dąbrowski Z, Kolasa D, Wróbel K, Lach J.   +5 more
europepmc   +1 more source

Polymer Inclusion Membranes Based on Sulfonic Acid Derivatives as Ion Carriers for Selective Separation of Pb(II) Ions. [PDF]

Membranes (Basel)
Kozlowski C, Zawierucha I.
europepmc   +1 more source

A review on assessment of ionic liquids in extraction of lithium, nickel, and cobalt <i>vis-à-vis</i> conventional methods. [PDF]

RSC Adv
Meshram P, Agarwal N, Abhilash.
europepmc   +1 more source

Performance comparison of downstream unit operations and process chains for the purification of amino acids for food, feed and pharma applications. [PDF]

Biotechnol Rep (Amst)
Prachár M, Buyel JF.
europepmc   +1 more source

Selective extraction of lithium over alkali and alkaline earth ions by synergistic solvent extraction.

Green Chem
Raiguel S, Van Bogaert L, Balcaen T, Binnemans K.   +3 more
europepmc   +1 more source

Solvent Extraction of Calcium Ion From Cation-Exchange Resin Regeneration Wastewater Using D2EHPA and Saponified D2EHPA

Desalination and Water Treatment, 2015
AbstractSolvent extraction experiments of Ca2+ with D2EHPA and 15% saponified D2EHPA from cation-exchange resin regeneration wastewater have been performed. Compared with the extraction efficiency (E) of Ca2+ with D2EHPA, the use of 15% saponified D2EHPA significantly increases the extraction efficiency (E) of Ca2+.
Jianhong Luo
exaly   +2 more sources

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Separation of D2EHPA and M2EHPA

Hydrometallurgy, 1988
Abstract D2EHPA and M2EHPA were separated using selective precipitation and solvent extraction. When the precipitation technique was employed. M2EHPA was precipitated as its barium salt from the mixture, followed by regeneration of the alkyl phosphoric acids by contacting each component separately with acid.
S. Acharya, A. Nayak
openaire   +1 more source

Kinetics of VO2+ extraction by D2EHPA

Hydrometallurgy, 2003
Abstract The kinetics of the forward extraction of VO2+ from sulphate–acetate medium by di-2-ethylhexylphosphoric acid (D2EHPA) in toluene has been investigated with Hahn and Lewis cell techniques using both (rate/area) or, pseudo-rate constant (q) and flux (F) methods for data treatment.
R.K. Biswas, M.G.K. Mondal
openaire   +1 more source

A rapid titrimetric determination of D2EHPA and M2EHPA

Hydrometallurgy, 1993
Abstract The use of impure D2EHPA in solvent extraction of metal ions leads to many process problems. Analysis of the quality of D2EHPA before use is warranted. The titrimetric estimation of D2EHPA containing M2EHPA of various samples in 50% (v/v) aqueous ethanol was studied using visual colour indicators. Bromophenol blue, methyl orange, methyl red,
Y. Ramachandra Rao, Sridhara Acharya
openaire   +1 more source