Process for the production of chlorinated propenes
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C07C-017/10
C07C-017/25
C07C-017/04
출원번호
US-0429263
(2013-09-13)
등록번호
US-9598334
(2017-03-21)
국제출원번호
PCT/US2013/059680
(2013-09-13)
국제공개번호
WO2014/046977
(2014-03-27)
발명자
/ 주소
Tirtowidjojo, Max M.
출원인 / 주소
BLUE CUBE IP LLC
대리인 / 주소
Polsinelli PC
인용정보
피인용 횟수 :
0인용 특허 :
101
초록▼
Processes for the production of chlorinated propenes are provided. The present processes make use of 1,2-dichloropropane, a by-product in the production of chlorohydrin, as a low cost starting material, alone or in combination with 1,2,3-trichloropropane. At least one dehydrochlorination is conducte
Processes for the production of chlorinated propenes are provided. The present processes make use of 1,2-dichloropropane, a by-product in the production of chlorohydrin, as a low cost starting material, alone or in combination with 1,2,3-trichloropropane. At least one dehydrochlorination is conducted in the gas phase, and is the first process step. The present processes can also generate anhydrous HCl as a byproduct that can be removed from the process and used as a feedstock for other processes, providing further time and cost savings.
대표청구항▼
1. A process for the production of chlorinated propenes from one or more chlorinated alkanes comprising 1,2-dichloropropane, comprising at least one gas phase dehydrochlorination step that is the first reaction step, wherein the gas phase dehydrochlorination is carried out without the use of a catal
1. A process for the production of chlorinated propenes from one or more chlorinated alkanes comprising 1,2-dichloropropane, comprising at least one gas phase dehydrochlorination step that is the first reaction step, wherein the gas phase dehydrochlorination is carried out without the use of a catalyst and at a pressure greater than ambient, wherein the gas phase dehydrochlorination produces one or more monochloropropenes; and wherein the one or more monochloropropenes are separated from the 1,2-dichloropropane, and after separation, the one or more monochloropropenes are subjected to at least one liquid phase chlorination step. 2. The process of claim 1, wherein the chlorinated propenes comprise dichloropropenes, trichloropropenes, and/or tetrachloropropenes. 3. The process of claim 1, wherein the one or more chlorinated alkanes further comprise 1,2,3-trichloropropane. 4. The process of claim 1, comprising at least one additional dehydrochlorination step. 5. The process of claim 4, wherein at least one additional dehydrochlorination step is conducted in the liquid phase, in the presence of one or more catalysts. 6. The process of claim 4, wherein at least one additional dehydrochlorination step is conducted in the liquid phase, in the presence of caustic. 7. The process of claim 1, wherein at least one chlorination step is conducted in the gas phase. 8. The process of claim 1, wherein at least one chlorination step is conducted in the liquid phase. 9. The process of claim 1, wherein HC1 is generated as a byproduct. 10. The process of claim 9, wherein HC1 is recovered as anhydrous HC1. 11. The process of claim 1, wherein the dehydrochlorination step is conducted at 200° C. or greater. 12. The process of claim 1, wherein the 1,2-dichloropropane conversion is from 30% to 70%. 13. The process of claim 12, wherein the 1,2-dichloropropane conversion is from 40% to 60%.
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이 특허에 인용된 특허 (101)
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