Title:
PROCESS FOR PRODUCING CHLOROETHANE
Document Type and Number:
WIPO Patent Application WO/2023/245633
Kind Code:
A1
Abstract:
The present invention provides a process for producing chloroethane, comprising the following steps: (1) separating sucralose tail gas to prepare concentrated hydrochloric acid; (2) desorption and concentration of the concentrated hydrochloric acid; and (3) synthesis and purification of chloroethane. The present invention utilizes the hydrogen chloride waste gas produced as a by-product in the production of sucralose and realizes the reuse of the by-product hydrogen chloride waste gas and the continuous production of chloroethane. This technique is characterized by high yield, low cost, little wastewater, low energy consumption, high chloroethane purity, and the like.
Inventors:
XU CHUANJIU (CN)
ZHAO YING (CN)
ZHAO JINGANG (CN)
WANG CONGCHUN (CN)
XU JIE (CN)
PENG LIANG (CN)
ZHAO YING (CN)
ZHAO JINGANG (CN)
WANG CONGCHUN (CN)
XU JIE (CN)
PENG LIANG (CN)
Application Number:
PCT/CN2022/101169
Publication Date:
December 28, 2023
Filing Date:
June 24, 2022
Export Citation:
Assignee:
ANHUI JINHE IND CO LTD (CN)
International Classes:
C07C17/16; C01B7/07; C07C19/043
Foreign References:
| CN109438169A | 2019-03-08 | |||
| CN109503312A | 2019-03-22 | |||
| CN112010268A | 2020-12-01 | |||
| CN110124587A | 2019-08-16 | |||
| CN112221310A | 2021-01-15 | |||
| EP0059404A1 | 1982-09-08 | |||
| US4073816A | 1978-02-14 |
Attorney, Agent or Firm:
BEIJING LONGAN LAW FIRM (CN)
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