Title:
METHOD FOR PREPARING COPPER CITRATE
Document Type and Number:
WIPO Patent Application WO/2018/094755
Kind Code:
A1
Abstract:
Disclosed is a method for preparing copper citrate, comprising the following steps: raw material preparation – preparation of an aqueous citric acid solution – neutralization reaction – material concentration – centrifugal dehydration – drying. The present invention prepares a finished product by means of reaction of edible citric acid and copper carbonate or copper oxide, and then material concentration, centrifugal dehydration and drying, without using a catalyst, and therefore has a simple process, low energy consumption, no pollution, and low costs.
Inventors:
YAO JIANFEI (CN)
YAO JIAO (CN)
GAO JIEXIANG (CN)
ZHU BIJUN (CN)
YAO JIAO (CN)
GAO JIEXIANG (CN)
ZHU BIJUN (CN)
Application Number:
PCT/CN2016/108191
Publication Date:
May 31, 2018
Filing Date:
December 01, 2016
Export Citation:
Assignee:
NANTONG FEIYU FINE CHEMICAL CO LTD (CN)
International Classes:
C07C51/41; C07C59/265
Foreign References:
| CN104557518A | 2015-04-29 | |||
| US3091626A | 1963-05-28 |
Download PDF:
Previous Patent: METHOD FOR PREPARING SELENIUM CITRATE
Next Patent: PROCESS FOR PRODUCING TRIETHYL CITRATE
Next Patent: PROCESS FOR PRODUCING TRIETHYL CITRATE