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Acid Extraction from Liquid Phase Pyrolysis Oil Using Cyanex®923 and Subsequent Solvent Regeneration
Author(s) -
Painer Daniela,
Treusch Klara,
Schwaiger Nikolaus,
Weiß Tanja,
Pucher Peter,
Siebenhofer Matthäus
Publication year - 2019
Publication title -
chemie ingenieur technik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.365
H-Index - 36
eISSN - 1522-2640
pISSN - 0009-286X
DOI - 10.1002/cite.201900008
Subject(s) - raffinate , solvent , chemistry , extraction (chemistry) , pyrolysis , distillation , pyrolysis oil , acetic acid , chromatography , biomass (ecology) , biofuel , organic chemistry , pulp and paper industry , chemical engineering , waste management , oceanography , geology , engineering
Liquid phase pyrolysis (LPP) oil, an intermediate from biofuel production using second‐generation biomass, is a promising source of biobased platform chemicals like acetic acid, however, displaying a complex, multicomponent mixture. Reactive extraction with Cyanex®923 was investigated for selective recovery of acids and subsequent solvent regeneration in distillation at 200 mbar. In a three‐stage extraction 81 % of acids were removed from the LPP oil without loss of Cyanex®923 to the raffinate. Solvent regeneration efficiency of acids was up to 99.7 % with mainly acids and water in the distillate.

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