Title:
PROCESS AND SYSTEM FOR PRODUCING ALKYL NITRITES
Document Type and Number:
WIPO Patent Application WO/2020/082194
Kind Code:
A1
Abstract:
A process for producing an alkyl nitrite is provided, comprising: mixing oxygen and a circulating gas in a pre-reactor, mixing the oxidized circulating gas and an alkyl alcohol liquid in a first esterification tower to generate alkyl nitrite, heating a portion of a first esterification tower bottom liquid in a circulating heating device external to the first esterification tower and transferring the heated collected first esterification tower bottom liquid into the first esterification tower, mixing a second portion of the collected first esterification tower bottom liquid and the circulating gas in a second esterification tower to generate alkyl nitrate, transferring a second esterification tower bottom liquid into an alkyl alcohol recycling tower. A related production system is also provided with a pre-reactor, a first esterification tower, a circulating heating device, a second esterification tower and an alkyl alcohol recycling tower.
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Inventors:
WANG LEI (CN)
Application Number:
PCT/CN2018/111131
Publication Date:
April 30, 2020
Filing Date:
October 22, 2018
Export Citation:
Assignee:
PUJING CHEMICAL IND CO LTD (CN)
International Classes:
C07C201/04; C07C203/00
Foreign References:
| CN104945263A | 2015-09-30 | |||
| US20030176724A1 | 2003-09-18 | |||
| CN108513573A | 2018-09-07 | |||
| CN103435489A | 2013-12-11 | |||
| US6191302B1 | 2001-02-20 |
Attorney, Agent or Firm:
CHANGZHOU BAIYETENGFEI PATENT AGENCY (GENERAL PARTNERSHIP) (CN)
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