Catalysts for oxidative coupling of hydrocarbons
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01J-023/00
B01J-023/10
B01J-023/02
B01J-023/06
B01J-023/04
B01J-023/36
C07C-002/84
출원번호
US-0494088
(2009-06-29)
등록번호
US-9089832
(2015-07-28)
발명자
/ 주소
Chinta, Sivadinarayana
Thorman, Joseph
Butler, James
출원인 / 주소
FINA TECHNOLOGY, INC.
인용정보
피인용 횟수 :
0인용 특허 :
39
초록▼
A catalyst includes: (A) at least one element selected from the group consisting of the Lanthanoid group, Mg, Ca, and the elements of Group 4 of the periodic table (Ti, Zr, and Hf); (B) at least one element selected from the group consisting of the Group 1 elements of Li, Na, K, Rb, Cs, and the elem
A catalyst includes: (A) at least one element selected from the group consisting of the Lanthanoid group, Mg, Ca, and the elements of Group 4 of the periodic table (Ti, Zr, and Hf); (B) at least one element selected from the group consisting of the Group 1 elements of Li, Na, K, Rb, Cs, and the elements of Group 3 (including La and Ac) and Groups 5-15 of the periodic table; (C) at least one element selected from the group consisting of the Group 1 elements of Li, Na, K, Rb, Cs, and the elements Ca, Sr, and Ba; and (D) oxygen.
대표청구항▼
1. A catalyst for the oxidative coupling of hydrocarbons consisting essentially of: (A) Mg, wherein Mg is present in the catalyst in an amount ranging from 40 weight percent to 90 weight percent based on a total weight of the catalyst;(B) Na and Re, wherein Na and Re are each present in the catalyst
1. A catalyst for the oxidative coupling of hydrocarbons consisting essentially of: (A) Mg, wherein Mg is present in the catalyst in an amount ranging from 40 weight percent to 90 weight percent based on a total weight of the catalyst;(B) Na and Re, wherein Na and Re are each present in the catalyst in an amount ranging from 0.01 weight percent to 10 weight percent based on the total weight of the catalyst;(C) Cs, wherein Cs is present in the catalyst in an amount ranging from 0.01 weight percent to 10 weight percent based on the total weight of the catalyst; and(D) oxygen, wherein the Mg and the oxygen are present in the catalyst as MgO, wherein O is present in the catalyst in an amount ranging from 10 weight percent to 45 weight percent based on the total weight of the catalyst, and wherein at least 95 weight percent of the catalyst is made of (A), (B), (C), and (D). 2. The catalyst according to claim 1, wherein the catalyst is calcined after the elements are combined. 3. The catalyst according to claim 2, wherein the calcination comprises heating to above 750° C. 4. The catalyst according to claim 2, wherein the catalyst is capable of oxidative coupling of methane that takes place in a reactor at a temperature of from 600 to 750° C. exhibiting a methane conversion of from 0.2 to 4.8 weight percent. 5. The catalyst according to claim 2, wherein the catalyst is capable of oxidative coupling of methane that takes place in a reactor with a molar ratio of methane to oxygen of from 1:1 to 100:1. 6. The catalyst according to claim 1, wherein the catalyst is capable of oxidative coupling of hydrocarbons consisting of methane and toluene, and the products of the oxidative coupling of methane with toluene comprise ethylbenzene and styrene. 7. The catalyst according to claim 6, wherein the oxidative coupling of methane with toluene takes place in a reactor at a temperature of from 550 to 750° C. exhibiting a toluene conversion of from 1.7 to 39.9 weight percent. 8. The catalyst according to claim 6, wherein the oxidative coupling of methane with toluene takes place in a reactor with a molar ratio of methane to oxygen of from 1:1 to 100:1. 9. The catalyst according to claim 6, wherein the oxidative coupling of methane with toluene takes place in a reactor with a molar ratio of methane to toluene of from 1:1 to 50:1. 10. The catalyst according to claim 9, wherein the catalyst is pretreated to above 750° C. before it is used for the oxidative coupling of hydrocarbons. 11. The catalyst according to claim 1, wherein reaction products from the use of the catalyst can be adjusted by adjusting the temperature of the reaction. 12. The catalyst according to claim 1, wherein reaction products from the use of the catalyst can be adjusted by adjusting the space velocity of the reaction. 13. A catalyst for the oxidative coupling of hydrocarbons consisting essentially of: (A) Mg, wherein Mg is present in the catalyst in an amount ranging from 40 weight percent to 90 weight percent based on a total weight of the catalyst;(B) La, wherein La is present in the catalyst in an amount ranging from 0.01 weight percent to 10 weight percent based on the total weight of the catalyst;(C) Ca, wherein Ca is present in the catalyst in an amount ranging from 0.01 weight percent to 10 weight percent based on the total weight of the catalyst; and(D) oxygen, wherein the Mg and the oxygen are present in the catalyst as MgO, wherein O is present in the catalyst in an amount ranging from 10 weight percent to 45 weight percent based on the total weight of the catalyst, and wherein at least 95 weight percent of the catalyst is made of (A), (B), (C), and (D). 14. The catalyst of claim 13, wherein the catalyst is capable of oxidative coupling of hydrocarbons consisting of methane and toluene, and the products of the oxidative coupling of methane with toluene comprise ethylbenzene and styrene, wherein the oxidative coupling of methane with toluene takes place in a reactor at a temperature of from 550 to 750° C. exhibiting a toluene conversion of from 3.0 to 12.6 weight percent. 15. A catalyst for the oxidative coupling of hydrocarbons consisting essentially of: (A) Mg, wherein Mg is present in the catalyst in an amount ranging from 40 weight percent to 90 weight percent based on a total weight of the catalyst;(B) La, wherein La is present in the catalyst in an amount ranging from 0.01 weight percent to 10 weight percent based on the total weight of the catalyst;(C) Sr, wherein Sr is present in the catalyst in an amount ranging from 0.01 weight percent to 10 weight percent based on the total weight of the catalyst; and(D) oxygen, wherein the Mg and the oxygen are present in the catalyst as MgO, wherein O is present in the catalyst in an amount ranging from 10 weight percent to 45 weight percent based on the total weight of the catalyst, and wherein at least 95 weight percent of the catalyst is made of (A), (B), (C), and (D). 16. The catalyst of claim 15, wherein the catalyst is capable of oxidative coupling of hydrocarbons consisting of methane and toluene, and the products of the oxidative coupling of methane with toluene comprise ethylbenzene and styrene, wherein the oxidative coupling of methane with toluene takes place in a reactor at a temperature of from 500 to 650° C. exhibiting a toluene conversion of from 0.4 to 15.8 weight percent. 17. The catalyst according to claim 15, wherein the catalyst is capable of oxidative coupling of methane that takes place in a reactor at a temperature of from 500 to 700° C. exhibiting a methane conversion of from 19.4 to 35.8 weight percent. 18. A catalyst for the oxidative coupling of hydrocarbons consisting of at least 95 weight percent, based on a total weight of the catalyst, of: (A) Mg, wherein Mg is present in the catalyst in an amount ranging from 40 weight percent to 90 weight percent based on a total weight of the catalyst;(B) at least one element selected from the group consisting of Na, Re, and La wherein (B) is present in the catalyst in an amount ranging from 0.01 weight percent to 10 weight percent based on the total weight of the catalyst;(C) at least one element selected from the group consisting of Cs, Ca, and Sr, wherein (C) is present in the catalyst in an amount ranging from 0.01 weight percent to 10 weight percent based on the total weight of the catalyst; and(D) oxygen, wherein the Mg and the oxygen are present in the catalyst as MgO, wherein O is present in the catalyst in an amount ranging from 10 weight percent to 45 weight percent based on the total weight of the catalyst, and wherein at least 95 weight percent of the catalyst is made of (A), (B), (C), and (D).
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