Catalyst compositions and process for oxychlorination
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01J-021/00
C07C-017/152
B01J-021/12
B01J-023/83
B01J-027/122
B01J-027/138
B01J-035/00
B01J-035/10
C07C-017/154
C07C-017/156
B01J-035/02
출원번호
US-0538163
(2009-08-10)
등록번호
US-8956993
(2015-02-17)
발명자
/ 주소
Kramer, Keith S.
Cowfer, Joseph A.
출원인 / 주소
Oxy Vinyls LP
대리인 / 주소
Reginelli, Arthur M.
인용정보
피인용 횟수 :
0인용 특허 :
69
초록▼
Oxychlorination catalyst compositions which include a catalytically effective amount of an oxychlorination catalyst and a diluent having certain chemical composition and/or physical properties are disclosed. Processes using such oxychlorination catalyst compositions are also described. Some oxychlor
Oxychlorination catalyst compositions which include a catalytically effective amount of an oxychlorination catalyst and a diluent having certain chemical composition and/or physical properties are disclosed. Processes using such oxychlorination catalyst compositions are also described. Some oxychlorination catalyst compositions and processes disclosed herein can increase the optimal operating temperature, and thereby increase the production capacity of an existing reactor, such as a fluid-bed reactor, compared to other oxychlorination catalyst compositions.
대표청구항▼
1. An oxychlorination catalyst composition comprising: (i) a catalytically effective amount of an oxychlorination catalyst comprising an active salt composition distributed on a support material; and(ii) a diluent comprising particles of a dehydroxylated, dehydrated or calcined alumina silicate havi
1. An oxychlorination catalyst composition comprising: (i) a catalytically effective amount of an oxychlorination catalyst comprising an active salt composition distributed on a support material; and(ii) a diluent comprising particles of a dehydroxylated, dehydrated or calcined alumina silicate having a surface area between about 1 m2/g and about 25 m2/g, wherein the support material and the diluent are different chemically, wherein the support material is selected from the group consisting of alumina, silica, magnesia, kieselguhr, fuller's earth, clays, porous rare earth halides and oxyhalides, and combinations thereof, wherein the surface area of the support material is between about 5 m2/g and about 450 m2/g, and wherein the diluent is catalytically and chemically inert. 2. The oxychlorination catalyst composition of claim 1, wherein the alumina silicate comprises meta-kaolin, kaolin calcined through its characteristic exotherm, or a combination thereof. 3. The oxychlorination catalyst composition of claim 1, wherein the oxychlorination catalyst has a surface area between about 50 m2/g and about 250 m2/g. 4. The oxychlorination catalyst composition of claim 1, wherein the average particle size of the diluent is between about 50% and about 150% of the average particle size of the oxychlorination catalyst. 5. The oxychlorination catalyst composition of claim 1, wherein the % attrition of the diluent is between about 50% and about 150% of the % attrition of the oxychlorination catalyst. 6. The oxychlorination catalyst composition of claim 1, wherein the active salt composition comprises a copper salt. 7. The oxychlorination catalyst composition of claim 1, wherein the active salt composition comprises from about 2% to about 12% by weight of copper, from about 0.2% to about 3% by weight of an alkali metal, from about 0.1% to about 14% by weight of a rare earth metal, and from about 0.05% by weight to about 6% by weight of an alkaline metal, all weight percents based upon the total weight of the oxychlorination catalyst. 8. An oxychlorination catalyst composition comprising: (a) a catalytically effective amount of an oxychlorination catalyst comprising an active salt composition distributed on a support material, wherein the oxychlorination catalyst has a surface area between about 50 m2/g and about 250 m2/g; and(b) a diluent having a surface area between about 1 m2/g and about 25 m2/g, wherein the support material and the diluent are different chemically, wherein the average particle size of the oxychlorination catalyst is from about 5 microns to about 300 microns and the average particle size of the diluent is from about 5 microns to about 300 microns, and wherein the diluent is catalytically and chemically inert. 9. The oxychlorination catalyst composition of claim 8, wherein the average particle size of the diluent is between from about 50% to about 150% of the average particle size of the oxychlorination catalyst. 10. The oxychlorination catalyst composition of claim 8, wherein the alumina silicate is dehydroxylated, dehydrated or calcined alumina silicate. 11. The oxychlorination catalyst composition of claim 8, wherein the active salt composition comprises from about 2% to about 12% by weight of copper, from about 0.2% to about 3% by weight of an alkali metal, from about 0.1% to about 14% by weight of a rare earth metal, and from about 0.05% by weight to about 6% by weight of an alkaline metal, all weight percents based upon the total weight of the oxychlorination catalyst. 12. The oxychlorination catalyst composition of claim 1, wherein the diluent is intimately mixed with the oxychlorination catalyst. 13. The oxychlorination catalyst composition of claim 8, wherein the diluent is intimately mixed with the oxychlorination catalyst. 14. The oxychlorination catalyst composition of claim 1, wherein the support material is selected from the group consisting of alumina, silica, magnesia, kieselguhr, fuller's earth, and porous rare earth halides and oxyhalides. 15. The oxychlorination catalyst composition of claim 8, wherein the support material is selected from the group consisting of alumina, silica, magnesia, kieselguhr, fuller's earth, and porous rare earth halides and oxyhalides.
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