Production of ethylene with nanowire catalysts
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C07C-002/82
C07C-002/84
C07C-002/76
B01J-023/10
B01J-035/06
B01J-021/06
B01J-021/10
B01J-023/22
B01J-023/34
B01J-035/00
B01J-037/00
B01J-037/03
B01J-037/08
B01J-037/10
B82Y-030/00
C01F-005/02
C01F-005/14
C01F-007/02
C01F-011/02
C01F-017/00
C01G-025/00
C01G-031/02
C01G-041/02
C01G-045/00
C01G-045/02
C07C-005/48
C10G-002/00
C10G-009/00
출원번호
US-0628023
(2017-06-20)
등록번호
US-10195603
(2019-02-05)
발명자
/ 주소
Scher, Erik C.
Zurcher, Fabio R.
Cizeron, Joel M.
Schammel, Wayne P.
Tkachenko, Alex
Gamoras, Joel
Karshtedt, Dmitry
Nyce, Greg
출원인 / 주소
Siluria Technologies, Inc.
대리인 / 주소
Seed Intellectual Property Law Group LLP
인용정보
피인용 횟수 :
0인용 특허 :
188
초록
Nanowires useful as heterogeneous catalysts are provided. The nanowire catalysts are useful in a variety of catalytic reactions, for example, the oxidative coupling of methane to ethylene. Related methods for use and manufacture of the same are also disclosed.
대표청구항▼
1. A method for the preparation of ethylene from methane, the method comprising contacting a mixture comprising oxygen and methane at a temperature below 600° C. with a catalytic nanowire, thereby producing C2 hydrocarbons at a selectivity of greater than 30%, wherein the catalytic nanowire comprise
1. A method for the preparation of ethylene from methane, the method comprising contacting a mixture comprising oxygen and methane at a temperature below 600° C. with a catalytic nanowire, thereby producing C2 hydrocarbons at a selectivity of greater than 30%, wherein the catalytic nanowire comprises one or more elements from any of Groups 1 through 7, lanthanides, actinides or combinations thereof in the form of oxides, hydroxides, oxyhydroxides, sulfates, carbonates, oxide carbonates, oxalates, phosphates, hydrogenphosphates, dihydrogenphosphates, oxyhalides, hydroxihalides, oxysulfates or combinations thereof. 2. The method of claim 1, wherein the one or more elements are in the form of oxides. 3. The method of claim 1, wherein the catalytic nanowire comprises Mg, Ca, La, W, Mn, Mo, Nd, Sm, Eu, Pr, Zr or combinations thereof. 4. The method of claim 1, wherein the catalytic nanowire comprises MgO, CaO, La2O3, Na2WO4, Mn2O3, Mn3O4, Nd2O3, Sm2O3, Eu2O3, Pr2O3, Mg6MnO8, NaMnO4, Na/Mn/W/O, MnWO4 or combinations thereof. 5. The method of claim 1, wherein the catalytic nanowire further comprises one or more dopants comprising metal elements, semi-metal elements, non-metal elements or combinations thereof. 6. The method of claim 5, wherein the dopant comprises Li, Na, K, Mg, Ca, Ba, Sr, Eu, Sm, Co or Mn. 7. The method of claim 6, wherein the catalytic nanowire comprises Li/MgO, Ba/MgO, Sr/La2O3, Mg/Na/La2O3, Sr/Nd2O3, or Mn/Na2WO4. 8. The method of claim 1, wherein the catalytic nanowire has a ratio of effective length to actual length of less than one. 9. The method of claim 1, wherein the catalytic nanowire has a ratio of effective length to actual length of one. 10. The method of claim 1, wherein the temperature ranges from 550° C. to below 600° C. 11. The method of claim 1, wherein the temperature ranges from 500° C. to 550° C. 12. A method for preparing a downstream product of ethylene, the method comprising converting ethylene into a downstream product of ethylene, and the method comprising contacting a mixture comprising oxygen and methane at a temperature below 600° C. with a catalytic nanowire, thereby producing C2 hydrocarbons at a selectivity of greater than 30%, wherein the catalytic nanowire comprises one or more elements from any of Groups 1 through 7, lanthanides, actinides or combinations thereof in the form of oxides, hydroxides, oxyhydroxides, sulfates, carbonates, oxide carbonates, oxalates, phosphates, hydrogenphosphates, dihydrogenphosphates, oxyhalides, hydroxihalides, oxysulfates or combinations thereof. 13. The method of claim 12, wherein the one or more elements are in the form of oxides. 14. The method of claim 12, wherein the catalytic nanowire comprises Mg, Ca, La, W, Mn, Mo, Nd, Sm, Eu, Pr, Zr or combinations thereof. 15. The method of claim 12, wherein the catalytic nanowire comprises MgO, CaO, La2O3, Na2WO4, Mn2O3, Mn3O4, Nd2O3, Sm2O3, Eu2O3, Pr2O3, Mg6MnO8, NaMnO4, Na/Mn/W/O, MnWO4 or combinations thereof. 16. The method of claim 12, wherein the catalytic nanowire further comprises one or more dopants comprising metal elements, semi-metal elements, non-metal elements or combinations thereof. 17. The method of claim 16, wherein the dopant comprises Li, Na, K, Mg, Ca, Ba, Sr, Eu, Sm, Co or Mn. 18. The method of claim 17, wherein the catalytic nanowire comprises Li/MgO, Ba/MgO, Sr/La2O3, Mg/Na/La2O3, Sr/Nd2O3, or Mn/Na2WO4. 19. The method of claim 12, wherein the catalytic nanowire has a ratio of effective length to actual length of less than one. 20. The method of claim 12, wherein the catalytic nanowire has a ratio of effective length to actual length of one. 21. The method of claim 12, wherein the downstream product of ethylene is natural gasoline. 22. The method of claim 12, wherein the downstream product of ethylene comprises 1-hexene, 1-octene or combinations thereof. 23. The method of claim 12, wherein the temperature ranges from 550° C. to below 600° C. 24. The method of claim 12, wherein the temperature ranges from 500° C. to 550 ° C. 25. A method for the preparation of a downstream product of ethylene, the method comprising: converting methane into ethylene by contacting a mixture comprising oxygen and methane at a temperature below 600° C. with a catalytic nanowire, thereby producing C2hydrocarbons at a selectivity of greater than 30%; andoligomerizing the ethylene to prepare a downstream product of ethylene, wherein the catalytic nanowire comprises one or more elements from any of Groups 1 through 7, lanthanides, actinides or combinations thereof in the form of oxides, hydroxides, oxyhydroxides, sulfates, carbonates, oxide carbonates, oxalates, phosphates, hydrogenphosphates, dihydrogenphosphates, oxyhalides, hydroxihalides, oxysulfates or combinations thereof. 26. The method of claim 25, wherein the one or more elements are in the form of oxides. 27. The method of claim 25, wherein the catalytic nanowire comprises Mg, Ca, La, W, Mn, Mo, Nd, Sm, Eu, Pr, Zr or combinations thereof. 28. The method of claim 25, wherein the catalytic nanowire comprises MgO, CaO, La2O3, Na2WO4, Mn2O3, Mn3O4, Nd2O3, Sm2O3, Eu2O3, Pr2O3, Mg6MnO8, NaMnO4, Na/Mn/W/O, MnWO4 or combinations thereof. 29. The method of claim 25, wherein the catalytic nanowire further comprises one or more dopants comprising metal elements, semi-metal elements, non-metal elements or combinations thereof. 30. The method of claim 29, wherein the dopant comprises Li, Na, K, Mg, Ca, Ba, Sr, Eu, Sm, Co or Mn. 31. The method of claim 30, wherein the catalytic nanowire comprises Li/MgO, Ba/MgO, Sr/La2O3, Mg/Na/La2O3, Sr/Nd2O3, or Mn/Na2WO4. 32. The method of claim 25, wherein the catalytic nanowire has a ratio of effective length to actual length of less than one. 33. The method of claim 25, wherein the catalytic nanowire has a ratio of effective length to actual length of one. 34. The method of claim 25, wherein the downstream product of ethylene is natural gasoline. 35. The method of claim 25, wherein the downstream product of ethylene comprises 1-hexene, 1-octene or combinations thereof. 36. The method of claim 25, wherein the temperature ranges from 550° C. to below 600° C. 37. The method of claim 25, wherein the temperature ranges from 500° C. to 550° C.
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