Results 1 to 10 of about 107 (101)

Reactive Extraction of L (+) Tartaric Acid by Amberlite LA-2 in Different Solvents [PDF]

open access: yesE-Journal of Chemistry, 2011
The extraction of L(+) tartaric acid from aqueous solutions by amberlite LA-2 is a secondary amine mixture in different diluent solvents. Extraction equilibria of L(+) tartaric acid by amberlite LA-2 in 1-octanol, cyclohexane, isooctane, hexane, methyl ...
I. Inci, Y. S. Asçi, A. F. Tuyun
doaj   +4 more sources

INVESTIGATION OF THE PROCESS OF TARTARIC ACID SEPARATION ON AMBERLITE XAD2 IMPREGNATED WITH AMBERLITE LA-2 [PDF]

open access: yesChemistry Journal of Moldova: General, Industrial and Ecological Chemistry, 2012
This work describes an investigation of the process of reactive ion-exchange separation of tartaric acid from model systems with macroreticular resin AmberliteXAD2 impregnated with liquid ion-exchanger Amberlite LA-2 in batch equipment.The condition of ...
N. Marchitan
doaj   +2 more sources

Congo Red Removal From Aqueous Solutions by Ion ExchangerAmberliteLA-2

open access: yesمجلة المختار للعلوم, 2023
Amberlite LA-2 was used as an ion exchanger to remove Congo red dye from aqueous solution. The effect of the initial concentration of dye and the initial concentration of Amberlite LA-2 on the efficiency of dye removal from the aqueous phase to the ...
Aisha A. Alabbsi   +3 more
doaj   +1 more source

Fractionation of the mixture obtained by the enzymatic hydrolysis of penicillin G [PDF]

open access: yesHemijska Industrija, 2002
Using the experimental data on the individual physical and reactive extraction of 6APA with 1,2-dichlororethane, D2EHPA and Amberlite LA-2 together with data on the influence of the pH value of the aqueous phase and the Amberlite LA-2 concentration on ...
Cascaval Dan   +2 more
doaj   +1 more source

Selective pertraction of dicarboxylic acids from simulated Rhizopus oryzae fermentation broths

open access: yesScientific Reports, 2023
Fumaric, malic and succinic acids have been selectively separated by facilitated pertraction with Amberlite LA-2, using n-heptane as liquid membrane.
Lenuta Kloetzer   +3 more
doaj   +1 more source

Direct Extraction of Fumaric Acid from Rhizopus oryzae Suspensions—Interfacial Mass Transfer

open access: yesBiomolecules, 2021
Experimental studies on the reactive extraction of fumaric acid with Amberlite LA-2 from Rhizopus oryzae suspensions using three solvents with different dielectric constants varying from 9.08 to 1.90 (dichloromethane, n-butyl acetate, and n-heptane ...
Dan Cascaval   +3 more
doaj   +1 more source

Gallic Acid Reactive Extraction with and without 1-Octanol as Phase Modifier: Experimental and Modeling

open access: yesFermentation, 2022
Gallic acid (GA) is a naturally occurring phenolic acid that can be found in the leaves, roots, flowers, or stems of a wide variety of plant species. It has a broad range of uses in the food and pharmaceutical industries.
Alexandra Cristina Blaga   +4 more
doaj   +1 more source

Fractionation of dicarboxylic acids produced by Rhizopus oryzae using reactive extraction

open access: yesScientific Reports, 2022
Fumaric, malic, and succinic acids have been selectively separated from their mixture obtained by Rhizopus oryzae fermentation using reactive extraction with Amberlite LA-2 dissolved in three solvents with different dielectric constants (n-heptane, n ...
Lenuta Kloetzer   +3 more
doaj   +1 more source

New extraction techniques on bioseparations: 1. Reactive extraction [PDF]

open access: yesHemijska Industrija, 2004
The complexity of downstream processes for biosynthetic products constitutes a particularity of industrial biotechnologies, especially because of the biosynthetic product high dilution in fermentation broth, their chemical and thermal liability and the ...
Cascaval Dan, Galaction Anca-Irina
doaj   +1 more source

Modeling of the selective pertraction of carboxylic acids obtained by citric fermentation [PDF]

open access: yesHemijska Industrija, 2004
Facilitated pertraction was applied for the selective separation of citric, maleic and succinic acids from a mixture obtained by citric fermentation. The pertraction equipment included a U-shaped cell containing 1,2-dichloro-ethane as the liquid membrane
Cascaval Dan   +2 more
doaj   +1 more source

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