RT Journal Article
T1 The use of VMD data/model to test different thermodynamic models for vapour-liquid equilibrium
A1 Izquierdo Gil, María Amparo
A1 Abildskov, J.
A1 Jonsson, G.
AB Vacuum membrane distillation (VMD) has been studied as a separation process to remove volatile organic compounds from aqueous streams. A vapour pressure difference across a microporous hydrophobic membrane is the driving force for the mass transport through the membrane pores (this transport takes place in vapour phase). The vapour pressure difference is obtained in VMD processes by applying a vacuum on one side of the membrane. The membrane acts as a mere support for the liquid-vapour equilibrium. The evaporation of the liquid stream takes place on the feed side of the membrane, and the condensation on the permeate side of the membrane. The paper focus on aroma stripping using VMD; factors influencing flux and separation performance using selected model aroma compounds have been studied. Mainly the following parameters have been examined-aroma compounds: activity coefficient/vapour pressure values; membrane type: PTFE/PP/PVDF; feed flow rate; feed temperature. A comparison is made between different thermodynamic models for calculating the vapour-liquid equilibrium at the membrane/pore interface.
PB Elsevier Science BV
SN 0376-7388
YR 2004
FD 2004-08-15
LK https://hdl.handle.net/20.500.14352/51032
UL https://hdl.handle.net/20.500.14352/51032
LA eng
NO © 2004 Elsevier B.V. Postdoctoral grant from Universidad Complutense of Madrid to M.A. Izquierdo-Gil, Project PB-98-07-88 (CYCYT, Spain) and support from the Danish Directorate for Development are gratefully acknowledged
NO CICYT (Spain)
NO Danish Directorate for Development
DS Docta Complutense
RD 8 abr 2025