IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0156907
(1988-02-17)
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발명자
/ 주소 |
- McCann Elrey L. (Mendenhall PA)
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출원인 / 주소 |
- E. I. Du Pont de Nemours and Company (Wilmington DE 02)
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인용정보 |
피인용 횟수 :
3 인용 특허 :
6 |
초록
▼
Improved process for the catalytic gas phase preparation of low molecular weight (C2-6) olefinic hydrocarbons from mixtures of H2 and CO, the improvement consisting of contacting and reacting a mixture of H2 and CO, at a H2/CO molar ratio within the range 0.3 to 1.5, at a space velocity of 1 to 100
Improved process for the catalytic gas phase preparation of low molecular weight (C2-6) olefinic hydrocarbons from mixtures of H2 and CO, the improvement consisting of contacting and reacting a mixture of H2 and CO, at a H2/CO molar ratio within the range 0.3 to 1.5, at a space velocity of 1 to 100 minutes-1, at a pressure of 1 to 2000 psia (6.894 kPa to 13.788 MPa), at a temperature within the range 200°to 400°C., in the presence of the catalyst of the empirical formula AB1-aFeaO3, wherein A, B and a are defined herein, for example, LaFeO3.
대표청구항
▼
In a process for the selective, catalytic gas phase preparation of low molecular weight olefins from mixtures of H2 and CO, the improvement consisting of contacting and reacting a mixture of H2 and CO, at a H2/CO molar ratio within the range 0.3 to 1.5, at a space velocity of 1 to 100 minutes-1, at
In a process for the selective, catalytic gas phase preparation of low molecular weight olefins from mixtures of H2 and CO, the improvement consisting of contacting and reacting a mixture of H2 and CO, at a H2/CO molar ratio within the range 0.3 to 1.5, at a space velocity of 1 to 100 minutes-1, at a pressure of 1 to 2000 psia (6.894 kPa to 13.788 MPa), at a temperature within the range 200°to 400°C., in the presence of the catalyst of the empirical formula AB1-aFeaO3 wherein: A is at least one of Na, K, Rb, Cs, Fr, Be, Mg, Ca, Sr, Ba, Ra, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Th or U; B is at least one of Al, Ga, In, Tl, Ge, Sn, Pb, Sc, Y, Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Mn, Tc, Re, Ru, Os, Co, Rh, Ir, Ni, Pd, Pt, Cu, Ag, Au, Zn, Cd or Hg; and a is within the range 0.01 to 1, provided, however, in the aforesaid formula, A and B are chosen in concert in accordance with known oxidation state and ionic radius rules as required to produce the perovskite (ABO3) crystal structure and allowing for deviation from the ideal stoichiometry of oxygen by ±0.5.
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