Journal
JOURNAL OF MEMBRANE SCIENCE
Volume 240, Issue 1-2, Pages 159-166Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.memsci.2004.05.004
Keywords
zeolite membrane; indoor air pollution; VOC separation; low concentration
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MFI-type zeolite membranes prepared by liquid phase hydrothermal synthesis on tubular commercial supports were used to remove model pollutants n-hexane, formaldehyde and benzene present at very low concentration levels (2-230 ppmv) in indoor air. The influence of several operating parameters was studied both in batch and continuous separation experiments. Depending on the operation conditions, permeation C fluxes of the organic compound up to 3300, 130 and 30 mg/m(2)h) and organic/air separation factors of 250, 6.3 and 38 were achieved for n-hexane, formaldehyde and benzene, respectively. (C) 2004 Elsevier B.V. All rights reserved.
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