Conversion of carbonaceous fuels into carbon free energy carriers
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01J-019/30
C01B-003/34
C10J-003/12
C10J-003/46
C10J-003/72
F23C-099/00
C01B-003/02
C01B-003/32
C10J-003/02
C10J-003/06
출원번호
US-0504295
(2014-10-01)
등록번호
US-9376318
(2016-06-28)
발명자
/ 주소
Fan, Liang-Shih
Li, Fanxing
출원인 / 주소
The Ohio State University
대리인 / 주소
Michael Best & Friedrich LLP
인용정보
피인용 횟수 :
7인용 특허 :
66
초록▼
A system for converting fuel is provided and includes a first reactor comprising a plurality of ceramic composite particles, the ceramic composite particles comprising at least one metal oxide disposed on a support, wherein the first reactor is configured to reduce the at least one metal oxide with
A system for converting fuel is provided and includes a first reactor comprising a plurality of ceramic composite particles, the ceramic composite particles comprising at least one metal oxide disposed on a support, wherein the first reactor is configured to reduce the at least one metal oxide with a fuel to produce a reduced metal or a reduced metal oxide; a second reactor configured to oxidize at least a portion of the reduced metal or reduced metal oxide from the said first reactor to produce a metal oxide intermediate; a source of air; and a third reactor communicating with said source of air and configured to regenerate the at least one metal oxide from the remaining portion of the solids discharged from the said first reactor and the solids discharged from the said second reactor by oxidizing the metal oxide intermediate.
대표청구항▼
1. A method of preparing ceramic composite particles comprising: mixing a metal oxide with at least one ceramic material to form a mixture;granulating said mixture by adding a binding material;drying said granulated mixture;processing said dried, granulated mixture into particle form such that the l
1. A method of preparing ceramic composite particles comprising: mixing a metal oxide with at least one ceramic material to form a mixture;granulating said mixture by adding a binding material;drying said granulated mixture;processing said dried, granulated mixture into particle form such that the length of said particles is greater than about 200 μm;heat treating said particles at a temperature of from about 500 to about 1500° C.; andreducing and oxidizing said particles. 2. The method of claim 1, wherein the ceramic material is in powder form. 3. The method of claim 1, wherein the binder material is starch, sodium silicate, potassium silicate, or a combination thereof. 4. The method of claim 1, wherein a promoter material is adding in the mixing step before granulation. 5. The method of claim 4, wherein the promoter material comprises a pure metal, a metal oxide, a metal sulfide, or a combination thereof. 6. The method of claim 4, wherein the promoter material comprises Li, Na, K, Rb, Cs, Be, Mg, Ca, Sr, Ba, B, P, V, Cr, Mn, Co, Cu, Zn, Ga, Mo, Rh, Pt, Pd, Ag, Ru, or a combination thereof. 7. The method of claim 4, wherein the ceramic composite comprises up to about 20% by weight of the promoter material. 8. The method of claim 1, wherein the metal oxide comprises Fe, Cu, Ni, Co, Mn, In, or a combination thereof. 9. The method of claim 1, wherein ceramic material comprises SiC, an oxide of Al, Zr, Ti, Y, Si, La, Sr, or Ba, or a combination thereof. 10. The method of claim 1, wherein the ceramic material comprises a natural ore. 11. The method of claim 1, wherein the ceramic material comprises bentonite or sepiolite. 12. The method of claim 1, wherein the ceramic composite comprises Fe2O3 supported on a support that is a mixture of alumina (Al2O3) and Anatase (TiO2). 13. The method of claim 1, wherein the step of drying said granulated mixture comprises drying at temperature of about 50° C. to about 500° C. in an air or nitrogen atmosphere. 14. The method of claim 1, wherein the step of drying said granulated mixture reduces the moisture content of the mixture to below 10%. 15. The method of claim 1, wherein the step of granulating said mixture by adding a binding material further comprises adding water to said mixture. 16. The method of claim 1, wherein the step of processing said dried, granulated mixture into particle form such that the length of said particles is greater than about 200 μm, comprises processing said dried, granulated mixture into pellets. 17. The method of claim 16, wherein the pellets are produced by extrusion, granulation, or pressurization. 18. The method of claim 16, where the pellets are produced by pressurization at pressures of 0.1 to 25 MPa. 19. A ceramic composite as claimed in claim 1 that can perform reduction-oxidation reactions for more than 100 cycles without significantly losing its reactivity. 20. A ceramic composite as claimed in claim 1 that can react with different ranks of coal, syngas, and methane for more than 7 cycles without significantly losing its reactivity.
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