Determination of the sorption and desorption kinetics of perfume raw materials in the liquid phase with vesicular dispersion: Application of SIFT-MS
作者： Philippe M. Heynderickx , Sébastien De Clercq , Pieter Saveyn , Jo Dewulf , Herman Van Langenhove
DOI: 10.1016/J.CEJ.2012.11.114
关键词:
摘要: Abstract Perfume raw materials such as coumarin, hexyl acetate and octanal are used in domestic fabric softeners together with cationic quaternary ammonium surfactants during the last rinsing step of a wash cycle. Selected ion flow tube mass spectrometry (SIFT-MS) is to analyze gas phase concentration these perfume an experiment, mimicking this when applied vesicular diethyl ester dimethyl chloride (DEEDMAC) dispersion bubble column. A continuous stirred tank reactor (CSTR) model proposed obtain sorption desorption kinetics for transfer between liquid from experimental data. Sorption coefficients (4.8 ± 0.3) 10 −3 , (9.4 ± 0.1) (4.0 ± 0.1) s −1 obtained octanal. Desorption components respectively reported (5.4 ± 0.6) −5 (1.8 ± 0.1) (3.5 ± 0.2) . From engineering point view, SIFT-MS considered be promising technique evaluate dynamic behavior, i.e., kinetics, molecules using CSTR model.
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