Membrane uptake kinetics of jet fuel aromatic hydrocarbons from aqueous solutions studied by a membrane-coated fiber technique.

作者: Xin-Rui Xia , Ronald E. Baynes , Nancy A. Monteiro-Riviere , Jim E. Riviere

DOI: 10.1080/15376520590968888

关键词: PermeationPartition coefficientMembraneNaphthaleneBenzeneChemistryAbsorption (chemistry)Aqueous solutionInorganic chemistryReaction rate constant

摘要: The absorption of aromatic hydrocarbons from aqueous media is a critical step involved in many biological processes after occupational and environmental exposures to jet fuel. A membrane-coated fiber (MCF) technique was used study the uptake kinetics. flow-through system provide constant concentration for prolonged permeation experiments. Polydimethylsiloxane (PDMS) polyacrylate (PA) MCFs were differential absorptivity compounds between two membrane materials. equilibrium amount kinetic parameter describing kinetics obtained by regression profiles with mathematical model. partition coefficients, uptake, elimination rate constants determined six benzene three naphthalene derivatives. PDMS/water coefficients derivatives linearly correlated their logKo/w (LogKpdms/w = 0.871LogKo/w...

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