METHOD FOR PREPARING DIOL - CHANGCHUN MEIHE SCIENCE AND TECHNOLOGY DEV CO LTD

Title:

METHOD FOR PREPARING DIOL

Document Type and Number:

WIPO Patent Application WO/2016/045583

Kind Code:

A1

Abstract:

Provided is a method for preparing a diol. In the method, a saccharide and hydrogen as raw materials are contacted with a catalyst in water to prepare the diol. The employed catalyst is a composite catalyst comprised of a main catalyst and a cocatalyst, wherein the main catalyst is a water-insoluble acid-resistant alloy; and the cocatalyst is a soluble tungstate and/or soluble tungsten compound. The method uses an acid-resistant, inexpensive and stable alloy needless of a support as a main catalyst, and can guarantee a high yield of the diol in the case where the production cost is relatively low.

Inventors:

LIU JING (CN)
QI HONGBIN (CN)
REN HAIYU (US)
PRAKASH INDRA (US)
SHI YU (US)

Application Number:

PCT/CN2015/090321

Publication Date:

March 31, 2016

Filing Date:

September 23, 2015

Export Citation:

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Assignee:

CHANGCHUN MEIHE SCIENCE AND TECHNOLOGY DEV CO LTD (CN)
COCA COLA CO (US)

International Classes:

C07C31/20; B01J25/02; C07C29/00

Foreign References:

CN102731258A	2012-10-17
CN101735014A	2010-06-16
CN102190562A	2011-09-21
CN103848720A	2014-06-11

Other References: