Title:
DEVICE FOR ALCOHOL DISTILLATION DECOLORING AND PURIFICATION AND METHOD FOR PURIFICATION IN MALTOL PRODUCTION
Document Type and Number:
WIPO Patent Application WO/2022/122027
Kind Code:
A1
Abstract:
Disclosed is a device for alcohol distillation decoloring and purification in maltol production. The device is characterized in comprising a rectifying column, an alkaline hydrolysis kettle and an alkaline hydrolysis rectifying column. An outlet on the upper side of the rectification column is in communication with an inlet of the alkaline hydrolysis kettle, an outlet end of the alkaline hydrolysis kettle column is in communication with an inlet end of the alkaline hydrolysis rectifying column, and an outlet on the upper side of the alkaline hydrolysis rectification column is in communication with an inlet end of a finished product trough. Further disclosed is a method for alcohol distillation decoloring and purification in maltol production. A product processed by the solution of the present application has a high purity.
Inventors:
CHEN YUEAN (CN)
ZHAN JIAN (CN)
ZHANG QIJUN (CN)
ZHAN JIAN (CN)
ZHANG QIJUN (CN)
Application Number:
PCT/CN2021/137214
Publication Date:
June 16, 2022
Filing Date:
December 10, 2021
Export Citation:
Assignee:
ANHUI JINHE IND CO LTD (CN)
International Classes:
C07C29/74; C07C31/08; C07D309/40
Foreign References:
| CN112409133A | 2021-02-26 | |||
| RU2081650C1 | 1997-06-20 | |||
| CN101747146A | 2010-06-23 | |||
| CN106986745A | 2017-07-28 | |||
| JPS52122312A | 1977-10-14 | |||
| CN202011451866A | 2020-12-11 | |||
| CN103570497A | 2014-02-12 | |||
| CN205182700U | 2016-04-27 |
Other References:
"Comprehensive Utilization of Cane Sugar Factory", 31 October 1998, ISBN: 7-5019-2208-X, article LI, XILIU : "Theoretical Basis of Distillation and Impurity-Removal of Alcohol", pages: 29 - 34, XP009538152
ZHU HUIYUN, HUANG BAOLI: "Improvement of Several Solvent Recovery Processes in Maltol Production", AN HUI HUA GONG = ANHUI CHEMICAL INDUSTRY, CN, 31 December 2001 (2001-12-31), CN , pages 22 - 23, XP055940852, ISSN: 1008-553X
ZHU HUIYUN, HUANG BAOLI: "Improvement of Several Solvent Recovery Processes in Maltol Production", AN HUI HUA GONG = ANHUI CHEMICAL INDUSTRY, CN, 31 December 2001 (2001-12-31), CN , pages 22 - 23, XP055940852, ISSN: 1008-553X
Attorney, Agent or Firm:
BEIJING LONGAN LAW FIRM (CN)
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