Abstract
Publisher Summary This chapter discusses the selective adsorption of trans unsaturated fatty acid compounds in MFI-type zeolites. A zeolite structure that selectively adsorbs trans unsaturated fatty acid compounds in the presence of their cis unsaturated counterparts is selected among several topologies using a liquid-phase chromatographic study of the adsorption of oleic and elaidic acid methylester. The functioning of the present adsorbent is based on the restricted adsorption of the curved cis unsaturated compounds in the pores of highly siliceous MFI type zeolites while the straight trans isomers experience significantly less limitations. The present selectivity is retained when the complexity of the substrate molecules is gradually increased from methylesters to triacylglycerols.
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