Supported ionic liquid catalytic membrane systems containing enzymes

4 Supported ionic liquid catalytic membrane systems containing enzymes [Pg.554]

Supported liquid membranes (SLM) containing ionic liquids have been used successfully for selective transport of, e.g. alcohols, ketones, amines [115,116] and aromatic hydrocarbons [117], according to the concentration gradient of the substance and its solubility in the ionic liquid. [Pg.554]

Further development of the SLM-ionic liquid methodology has been coupled with lipase-catalyzed esterification and ester-hydrolysis reactions in the feed gas (interface 1) and receiving phase (interface 2), respectively, to facilitate selective transport of various organic acids with aryl groups (via their esters) from aqueous solutions by utilizing different substrate specificity of lipases in a SLM system (Fig. 5.6-11) [118]. In the enzymatic SLM systems a poly(propene) membrane with water-immiscible [RMIM][X] (R = butyl, hexyl, octyl and X = [PFe] and [(CF3S02)2N] ) ionic liquid phases were used. [Pg.554]