Solid catalyst for dehydration of mannitol, and method for producing 2, 5-sorbitan and/or isomannide using this catalyst
AssigneesNational University Corporation Hokkaido University, Clariant Catalysts (Japan) K.K.
InventorsAtsushi Fukuoka, Hirokazu Kobayashi, Xin Chen
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Abstract
Provided is a solid acid catalyst which enables the production of isomannide and/or 2,5-sorbitan from mannitol with high yield and high safety at low cost. The mannitol may be derived from a cellulose and/or a hemicellulose. The solid acid catalyst for dehydration contains an acid type β-zeolite and/or a Y type zeolite.
Claims12
A solid, dehydration catalyst for producing 2,5-sorbitan and/or isomannide from mannitol comprising an H-type β zeolite and/or a Y-type zeolite.
A process for selectively producing isomannide from mannitol or 2,5-sorbitan from mannitol comprising catalytically dehydrating mannitol by use of any of the compositions selected from the group consisting of an H-type β zeolite, a Y-type zeolite or a mixture thereof.
Dependencies are inferred from the claim text.