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Two stage deep naphtha desulfurization with reduced mercaptan formation

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C10G-045/104
출원번호 US-0448961 (1999-11-24)
발명자 / 주소
  • McKnight Craig A.,CAX
  • Halbert Thomas R.
  • Greeley John P.
  • Brignac Garland B.
  • Demmin Richard A.
  • Winter
  • Jr. William E.
  • Cook Bruce R.
출원인 / 주소
  • Exxon Research and Engineering Company
대리인 / 주소
    Naylor
인용정보 피인용 횟수 : 26  인용 특허 : 6

초록

Selective and deep desulfurization of a high sulfur content mogas naphtha, with reduced product mercaptans and olefin loss, is achieved by a two stage, vapor phase hydrodesulfurization process with interstage separation of at least 80 vol. % of the H.sub.2 S formed in the first stage from the first

대표청구항

[ What is claimed is:] [1.]1. A two-stage, vapor phase naphtha hydrodesulfurization process comprising (i) passing a sulfur and olefin-containing naphtha feed and hydrogen into a first vapor reaction stage in which said feed reacts with said hydrogen, in the presence of a bydrodesulfurization cataly

이 특허에 인용된 특허 (6)

  1. Schorfheide James J. (Baton Rouge LA), Hydrorefining process.
  2. Pine Lloyd A. (Greenwell Springs LA) Winter William E. (Baton Rouge LA), Method for starting-up a naphtha hydrorefining process.
  3. Hatanaka Shigeto,JPX ; Hikita Satoru,JPX ; Sadakane Osamu,JPX ; Miyama Tadao,JPX, Process for desulfurizing catalytically cracked gasoline.
  4. Sudhakar Chakka (Wappingers Falls NY) Cesar Max R. (Newburgh NY) Heinrich R. Anthony (Wappingers Falls NY), Selective hydrodesulfurization of naphtha using selectively poisoned hydroprocessing catalyst.
  5. Sudhakar Chakka (Wappingers Falls NY) Sandford Gerald G. (Glenham NY) Bhattacharya Ajit K. (Hopewell Junction NY), Selective hydrodesulfurization of naphtha using spent resid catalyst.
  6. Brignac Garland B. ; Kaufman Jeffrey L. ; Coker John C., Two stage hydrodesulfurization process.

이 특허를 인용한 특허 (26)

  1. Sughrue, Edward L.; Johnson, Marvin J.; Dodwell, Glenn W.; Reed, Larry E.; Bares, Joseph E.; Gislason, Jason J.; Morton, Robert W.; Malandra, James L., Desulfurization and sorbents for same.
  2. Smith, Jr.,Lawrence A., Downflow process for hydrotreating naphtha.
  3. Soled, Stuart Leon; Riley, Kenneth Lloyd; Schleicher, Gary P.; Demmin, Richard A.; Schuette, legal representative, Darlene; Cody, Ian Alfred; Schuette, William L., Hydrocracking process using bulk group VIII/Group VIB catalysts.
  4. Demmin,Richard Alan; Riley,Kenneth Lloyd; Soled,Stuart Leon; Miseo,Sabato, Hydrofining process using bulk group VIII/Group VIB catalysts.
  5. Ross, April D.; Halbert, Thomas R.; Novak, William J.; Greeley, John P., Hydroprocessing methods utilizing carbon oxide-tolerant catalysts.
  6. Soled,Stuart Leon; Miseo,Sabato; Krycak,Roman; Vroman,Hilda B.; Ho,Teh Chung; Riley,Kenneth Lloyd, Hydroprocessing using bulk Group VIII/Group VIB catalysts.
  7. Shih, Stuart H.; Novak, William J., Hydroprocessing with drum blanketing gas compositional control.
  8. Brignac, Garland; Halbert, Thomas R.; Greeley, John P., Low pressure selective desulfurization of naphthas.
  9. Coker, John C.; Brignac, Garland B.; Halbert, Thomas R.; Matragrano, John G.; Gupta, Brij; Welch, Robert C.; Winter, Jr., William E., Multi-stage hydrodesulfurization of cracked naphtha streams with interstage fractionation.
  10. Umansky, Benjamin S.; Stanley, James F.; Melli, Tomas R.; Smyth, Sean C.; Roundtree, Eugene M., Process for benzene reduction and sulfur removal from FCC naphthas.
  11. Nicolaos, Alexandre; Picard, Florent; Debuisschert, Quentin; Pucci, Annick, Process for deep desulphurization of cracking gasolines with a small loss of octane number.
  12. Bouchy, Christophe; Marchal, Nathalie; Picard, Florent, Process for hydrodesulphurizing gasoline employing a catalyst with controlled porosity.
  13. Hatanaka, Shigeto; Shimada, Koji; Iki, Hideshi, Process for producing gasoline base and gasoline.
  14. Li,Dadong; Shi,Yulin; Hu,Yunjian; Xi,Yuanbing; Li,Mingfeng; Shi,Yahua, Process for reducing sulfur and olefin contents in gasoline.
  15. Ripperger, Gary Lee, Process for removing sulfur from a fuel gas stream additionally containing carbon dioxide and light olefins.
  16. Ripperger, Gary Lee, Process for removing sulfur from separate less reactive and more reactive fuel gas streams containing organic sulfur and light olefins.
  17. De Almeida, Rafael Menegassi; Gomes, Jefferson Roberto; Pacheco, Marcelo Edral; Duarte, Marcus Vinicius Eiffle; Oddone, Rogerio; Stuart, Giane Ribeiro, Process for selective hydrodesulfurization of naphtha.
  18. Podrebarac, Gary G.; Gildert, Gary R.; Groten, Willibrord A., Process for the desulfurization of petroleum feeds.
  19. Menegassi De Almeida, Rafael; Gomes, Jefferson Roberto; Monteiro De Souza, Guilherme Luis; Leslie, legal representative, Joy; Hu, Xiaondong, Process for the selective hydrodesulfurization of naphtha streams.
  20. Podrebarac,Gary G.; Groten,Willibrord A.; Som,Manoj; Almering,Martinus J., Process for the treatment of light naphtha hydrocarbon streams.
  21. Riley,Kenneth L.; Soled,Stuart L.; Miseo,Sabato; Plantenga,Frans L.; Cerfontain,Marinus Bruce; Eijsbouts,Sonja; Brevoord,Eelko, Process for upgrading naphtha.
  22. Feimer,Joseph L.; Kaul,Bal K.; Lawlor,Lawrence J., Process to remove sulfur contaminants from hydrocarbon streams.
  23. Ellis,Edward S.; Lewis,William E.; Iaccino,Larry L.; Touvelle,Michele S.; Stuntz,Gordon F., Production of low sulfur distillates.
  24. Ellis,Edward S.; Greeley,John P.; Patel,Vasant; Ariyapadi,Murali V., Selective hydrodesulfurization and mercaptan decomposition process with interstage separation.
  25. Riley, Kenneth Llyod; Klein, Darryl Patrick; Hou, Zhiguo; Soled, Stuart Leon; Kerby, Michael Charles; McVicker, Gary Brice; Ellis, Edward Stanley; Touvelle, Michele Sue; Miseo, Sabato, Two stage process for hydrodesulfurizing distillates using bulk multimetallic catalyst.
  26. Ellis,Edward S.; Greeley,John P.; Patel,Vasant; Ariyapadi,Murali V., Two-stage hydrodesulfurization of cracked naphtha streams with light naphtha bypass or removal.

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