Single Droplet Mass Transfer Experiments for Acetic Acid Extraction with Triisooctylamine-Based Solvents

Publikation: Beitrag in einer FachzeitschriftArtikelForschungBegutachtung

Abstract

Single droplet mass transfer of acetic acid from aqueous phase into triisooctylamine‐based solvents modified with the Lewis basic modifier tributyl phosphate and the diluent Shellsol T was investigated for applicability in solvent design. Solvent composition of triisooctylamine‐based solvent mixtures has a decisive effect on liquid‐liquid partition of acetic acid. The modifier is needed to correct acid association of the ammonium salt, while the diluent mainly affects the viscosity, the density, and the interfacial tension of the solvent. The results show that single droplet mass transfer is controlled by solvent viscosity.
Originalspracheenglisch
Seitenumfang8
FachzeitschriftChemie - Ingenieur - Technik
Jahrgang91
Ausgabenummer11
DOIs
PublikationsstatusElektronische Veröffentlichung vor Drucklegung. - 8 Aug 2019

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Acetic acid
Acetic Acid
Mass transfer
Experiments
Viscosity
Ammonium Compounds
Surface tension
Phosphates
Salts
Association reactions
Acids
Chemical analysis

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Single Droplet Mass Transfer Experiments for Acetic Acid Extraction with Triisooctylamine-Based Solvents. / Siebenhofer, Matthäus; Grafschafter, Annika.

in: Chemie - Ingenieur - Technik, Jahrgang 91, Nr. 11, 08.08.2019.

Publikation: Beitrag in einer FachzeitschriftArtikelForschungBegutachtung

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AB - Single droplet mass transfer of acetic acid from aqueous phase into triisooctylamine‐based solvents modified with the Lewis basic modifier tributyl phosphate and the diluent Shellsol T was investigated for applicability in solvent design. Solvent composition of triisooctylamine‐based solvent mixtures has a decisive effect on liquid‐liquid partition of acetic acid. The modifier is needed to correct acid association of the ammonium salt, while the diluent mainly affects the viscosity, the density, and the interfacial tension of the solvent. The results show that single droplet mass transfer is controlled by solvent viscosity.

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