Process for treating a hydrocarbon-containing feed
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IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C10G-047/06
C10G-047/02
C10G-047/24
C10G-047/26
출원번호
US-0010922
(2011-01-21)
등록번호
US-8491784
(2013-07-23)
발명자
/ 주소
Reynolds, Michael Anthony
Milam, Stanley Nemec
Wellington, Scott Lee
출원인 / 주소
Shell Oil Company
인용정보
피인용 횟수 :
6인용 특허 :
52
초록▼
A process for treating a hydrocarbon-containing feed is provided in which a hydrocarbon-containing feed comprising at least 20 wt. % of heavy hydrocarbons is mixed with hydrogen and a catalyst to produce a hydrocarbon-containing product. The catalyst is prepared by mixing a first salt and a second s
A process for treating a hydrocarbon-containing feed is provided in which a hydrocarbon-containing feed comprising at least 20 wt. % of heavy hydrocarbons is mixed with hydrogen and a catalyst to produce a hydrocarbon-containing product. The catalyst is prepared by mixing a first salt and a second salt in an aqueous mixture under anaerobic conditions at a temperature of from 15° C. to 150° C., where the first salt comprises a cationic component in any non-zero oxidation state selected from the group consisting of Cu, Fe, Ag, Co, Mn, Ru, La, Ce, Pr, Sm, Eu, Yb, Lu, Dy, Ni, Zn, Bi, Sn, Pb, and Sb, and where the second salt comprises an anionic component selected from the group consisting of MoS42−, WS42−, SnS44−, and SbS43.
대표청구항▼
1. A process for cracking a hydrocarbon-containing feedstock, comprising: mixing, at a temperature selected from 375° C. to 500° C. and a total pressure selected from the range of from 6.9 MPa to 27.5 MPa:a) a hydrocarbon-containing feedstock containing at least 20 wt. % hydrocarbons having a boilin
1. A process for cracking a hydrocarbon-containing feedstock, comprising: mixing, at a temperature selected from 375° C. to 500° C. and a total pressure selected from the range of from 6.9 MPa to 27.5 MPa:a) a hydrocarbon-containing feedstock containing at least 20 wt. % hydrocarbons having a boiling point of greater than 538° C. as determined in accordance with ASTM Method D5307;b) hydrogen; andc) a catalyst prepared by mixing a first salt and a second salt in an aqueous mixture under anaerobic conditions, where, during mixing the first and second salts in the aqueous mixture, the aqueous mixture is maintained at a temperature of from 15° C. to 150° C., and wherein the first salt comprises a cationic component in any non-zero oxidation state selected from the group consisting of Cu, Fe, Ag, Co, Mn, Ru, La, Ce, Pr, Sm, Eu, Yb, Lu, Dy, Ni, Zn, Bi, Sn, Pb, and Sb, and wherein the second salt comprises an anionic component selected from the group consisting of MoS42−, WS42−, SnS44−, and SbS43−, where the first and second salts are dispersible in the aqueous mixture, and separating a solid from the aqueous mixture to produce a solid material comprised of a plurality of cationic components from the first salt and a plurality of anionic components from the second salt where at least a portion of the cationic components from the first salt are bonded with at least a portion of the anionic components from the second salt in two or more repeating units, where the catalyst is comprised of the solid material;where the hydrocarbon-containing feedstock, catalyst, and hydrogen form a mixture upon mixing; andwhile mixing the mixture at the selected temperature and selected pressure, separating a vapor comprising a hydrocarbon-containing product from the mixture, where the hydrocarbon-containing product is comprised of one or more hydrocarbon compounds that are liquid at standard temperature and pressure. 2. The process of claim 1 further comprising the step of, apart from the mixture, condensing at least a portion of the vapor separated from the mixture to produce a liquid hydrocarbon-containing product separate from the mixture. 3. The process of claim 1 wherein the catalyst is comprised of a first metal and a second metal where the first metal is selected from the group consisting of Cu, Fe, Ag, Co, Mn, Ru, La, Ce, Pr, Sm, Eu, Yb, Lu, Dy, Ni, Zn, Bi, Sn, Pb, and Sb, where the second metal is different from the first metal and is selected from the group consisting of Mo, W, Sn, and Sb, and wherein the catalyst is comprised of at least three linked chain elements, the chain elements comprising a first chain element including the first metal and having a structure according to formula (I) and a second chain element including the second metal and having a structure according to formula (II) where M1 is the first metal where M2 is the second metalwhere the catalyst contains at least one first chain element and at least one second chain element, where chain elements in the catalyst are linked by bonds between the two sulfur atoms of a chain element and the metal of an adjacent chain element. 4. The process of claim 3 wherein at least a portion of the catalyst has a structure according to formula (VII), formula (XII), or formula (XIII): where M1 is the first metal, M2 is the second metal, and x is at least two; where M1 is the first metal and M2 is the second metal, where M1 is the first metal and M2 is the second metal. 5. The process of claim 1 wherein the catalyst is comprised of a first metal and a second metal where the first metal is selected from the group consisting of Cu, Fe, Ag, Co, Mn, Ru, La, Ce, Pr, Sm, Eu, Yb, Lu, Dy, Ni, Zn, Bi, Sn, Pb, and Sb, where the second metal is different from the first metal and is selected from the group consisting of Mo, W, Sn, and Sb, and wherein at least a portion of the material of the catalyst has a structure according to a formula selected from the group consisting of formula (III), formula (IV), formula (V), and formula (VI): where M is either the first metal or the second metal, and at least one M is the first metal and at least one M is the second metal, where M is either the first metal or the second metal, at least one M is the first metal and at least one M is the second metal, and X is selected from the group consisting of SO4, PO4, oxalate (C2O4), acetylacetonate, acetate, citrate, tartrate, Cl, Br, I, ClO4, and NO3, where M is either the first metal or the second metal, at least one M is the first metal and at least one M is the second metal, and X is selected from the group consisting of SO4, PO4, oxalate (C2O4), acetylacetonate, acetate, citrate, tartrate, Cl, Br, I, ClO4, and NO3, where M is either the first metal or the second metal, at least one M is the first metal and at least one M is the second metal, and X is selected from the group consisting of SO4, PO4, oxalate (C2O4), acetylacetonate, acetate, citrate, tartrate, Cl, Br, I, ClO4, and NO3. 6. The process of claim 3 or claim 5 wherein the atomic ratio of the first metal to the second metal in the catalyst is greater than 1:2. 7. The process of claim 1 wherein at least a portion of the catalyst is in solid particulate form. 8. The process of claim 7 wherein the portion of the catalyst in solid particulate form has a particle size distribution having a median particle size or a mean particle size of from 50 nm to 1 μm. 9. The process of claim 1 wherein the catalyst is a polymer. 10. The process of claim 1 wherein the catalyst contains less than 0.5 wt. % of ligands other than sulfur-containing ligands. 11. The process of claim 1 wherein the hydrocarbon-containing product separated from the mixture contains less than 3 wt. % hydrocarbons having a boiling point of greater than 538° C. as determined in accordance with ASTM Method D5307, and contains at least 80% of the atomic carbon initially contained in the hydrocarbon-containing feedstock. 12. The process of claim 1 wherein: a) the hydrocarbon-containing feedstock, the catalyst, and the hydrogen are mixed by blending the hydrocarbon-containing feedstock, the catalyst, and the hydrogen in a mixing zone, where the mixing zone is maintained at a temperature of from 375° C. to 500° C. under a total pressure of from 6.9 MPa to 27.5 MPa to produce 1) the vapor comprising the hydrocarbon-containing product and2) a hydrocarbon-depleted feed residuum comprising hydrocarbons that are liquid at the temperature and pressure within the mixing zone;b) separating at least a portion of the vapor comprising the hydrocarbon-containing product from the mixing zone while blending the hydrocarbon-depleted feed residuum with the catalyst and hydrogen in the mixing zone. 13. The process of claim 12 wherein the hydrocarbon-containing feedstock, the hydrocarbon-depleted feed residuum, and the catalyst define a mixture volume, and the hydrocarbon-containing feedstock is provided to be mixed at a rate of at least 400 kg/hr per m3 of the mixture volume. 14. The process of claim 12 wherein the hydrocarbon-depleted feed residuum produced by blending the hydrocarbon-containing feedstock, the catalyst, and the hydrogen in the mixing zone contains less than 0.03 g of hydrocarbons that are insoluble in toluene as measured by ASTM Method D4072 per gram of hydrocarbon-containing feedstock provided to the mixing zone. 15. The process of claim 1 further comprising mixing hydrogen sulfide with the hydrocarbon-containing feedstock, the hydrogen, and the catalyst at a temperature of from 375° C. to 500° C. and a total pressure of from 6.9 MPa to 27.5 MPa, wherein the hydrogen sulfide is provided for mixing at a mole ratio of hydrogen sulfide to hydrogen of at least 0.5:9.5, where the hydrogen and hydrogen sulfide are provided for mixing such that the combined hydrogen and hydrogen sulfide partial pressures provide at least 60% of the total pressure. 16. The process of claim 1 wherein the hydrocarbon-containing feedstock contains at least 30 wt. % of hydrocarbons that are liquid at STP and have a boiling point of less than 538° C. as determined in accordance with ASTM Method D2887. 17. The process of claim 1 wherein the hydrocarbon-containing product separated from the mixture contains at least 40% of the atomic sulfur present in the hydrocarbon-containing feedstock. 18. The process of claim 1 wherein the hydrocarbon-containing product separated from the mixture contains at least 40% of the atomic nitrogen present in the hydrocarbon-containing feedstock. 19. The process of claim 1 wherein the hydrocarbon-containing feedstock contains at least 30 wt. % hydrocarbons having a boiling point of greater than 538° C. as determined in accordance with ASTM Method D5307. 20. The process of claim 1 wherein the catalyst has an acidity as measured by ammonia chemisorption of at most 200 mmol ammonia per gram of catalyst. 21. The process of claim 1 wherein the hydrocarbon-containing product contains at most 0.001 wt. % vanadium, at most 0.001 wt. % iron, and at most 0.001 wt. % nickel. 22. The process of claim 1 wherein the catalyst has a BET surface area of from 50 m2/g to 500 m2/g. 23. The process of claim 1 wherein the vapor separated from mixture is hydroprocessed by contacting the vapor with a hydroprocessing catalyst and hydrogen at a temperature of from 260° C. to 425° C. and a total pressure of from 3.4 MPa to 27.5 MPa.
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