Title:
PRODUCTION OF CHLORANIL
Document Type and Number:
Japanese Patent JPH05271144
Kind Code:
A
Abstract:
PURPOSE: To produce high-purity chloranil by effectively using chlorine without releasing chlorine to the outside of a reaction system and causing loss.
CONSTITUTION: In production of chloranil in each reactor by feeding hydroquinone to each of plural reactors and feeding chlorine to a liquid phase, unreacted chlorine in chlorine fed to a liquid phase of one reactor is supplied to a liquid phase of another reactor to carry out reaction. After the reaction in one reactor is completed, chloranil is discharged, hydroquinone is newly fed to the reactor and chlorine is supplied to a liquid phase in another reactor. Unreacted chlorine not used in the reaction in supplied chlorine is fed to a liquid phase in the reactor to carry out reaction.
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Inventors:
Satoshi Iwasaki
Hiroyuki Doi
Hiroyuki Doi
Application Number:
JP7121292A
Publication Date:
October 19, 1993
Filing Date:
March 27, 1992
Export Citation:
Assignee:
Tokuyama Soda Co., Ltd.
International Classes:
C07C46/06; C07C50/24; (IPC1-7): C07C50/24; C07C46/06
Domestic Patent References:
JPH01197455A | 1989-08-09 |
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