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[미국특허] Ammonium polysulfide removal of HCN from gaseous streams, with subsequent production of NH3, H2 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C01C-003/00
  • C01B-017/16
  • C01B-017/02
출원번호 US-0556256 (1983-11-29)
발명자 / 주소
  • Diaz Zaida (Houston TX)
출원인 / 주소
  • Shell Oil Company (Houston TX 02)
인용정보 피인용 횟수 : 46  인용 특허 : 1

초록

A process for the removal of HCN from gaseous streams is described, the process being characterized by reaction of the HCN in the gaseous stream with an ammonium polysulfide solution, formation of ammonium thiocyanate in solution, decomposition of ammonium polysulfide and precipitation of sulfur fro

대표청구항

A process for removing HCN from a gaseous stream containing HCN comprising (a) contacting said gaseous stream in a contact zone with a solution containing ammonium polysulfide under conditions to convert HCN, and producing a solution containing ammonium polysulfide and ammonium thiocyanate, and a ga

이 특허에 인용된 특허 (1) 인용/피인용 타임라인 분석

  1. Nicklin ; Thomas ; Farrington ; Frederick, Gas purification liquors.

이 특허를 인용한 특허 (46) 인용/피인용 타임라인 분석

  1. Robinson, Earl T.; Keckler, Kenneth P.; Raman, Pattabhi K.; Sirdeshpande, Avinash, Agglomerated particulate low-rank coal feedstock and uses thereof.
  2. Robinson, Earl T.; Keckler, Kenneth P.; Raman, Pattabhi K.; Sirdeshpande, Avinash, Agglomerated particulate low-rank coal feedstock and uses thereof.
  3. Robinson, Earl T.; Keckler, Kenneth P.; Raman, Pattabhi K.; Sirdeshpande, Avinash, Agglomerated particulate low-rank coal feedstock and uses thereof.
  4. Raman, Pattabhi K.; Hippo, Edwin J.; Yee, Nelson, Biomass compositions for catalytic gasification.
  5. Robinson, Earl T., Carbonaceous fines recycle.
  6. Raman, Pattabhi K.; Yee, Nelson, Catalytic gasification particulate compositions.
  7. Hippo, Edwin J.; Reiling, Vincent G.; Robinson, Earl T.; Raman, Pattabhi K.; Smith, Jeffery; Mims, Charles; Nahas, Nicholas Charles, Char methanation catalyst and its use in gasification processes.
  8. Rappas, Alkis S.; Salem, George Frederick, Coal compositions for catalytic gasification.
  9. Rappas, Alkis S.; Salem, George Frederick, Coal compositions for catalytic gasification.
  10. Robinson, Earl T.; Raman, Pattabhi K.; Wu, Wenyuan, Conversion of liquid heavy hydrocarbon feedstocks to gaseous products.
  11. Tekatch William M. (19 Pheasant Place Hamilton ; Ontario CAX L9A 4Y4) Balaz Karol J. (339 East 14th Street Hamilton ; Ontario CAX L9A 4C1), Decomposition of ammonium thiocyanate.
  12. Esposito,James R.; Moore,John C., Dissolving gel for cured polysulfide resins.
  13. Potter Michael W. (Sugarland TX) Baker Daniel C. (Houston TX), Flyslag treatment utilizing a solids-containing concentrated aqueous stream and a cementitious material.
  14. Baker Daniel C. (Houston TX), HCN and iron cyanide complex removal.
  15. Raman, Pattabhi K.; Jiradilok, Veeraya; Robinson, Earl T.; Sirdeshpande, Avinash, Hydromethanation of a carbonaceous feedstock.
  16. Robinson, Earl T.; Raman, Pattabhi K., Hydromethanation of a carbonaceous feedstock.
  17. Sirdeshpande, Avinash, Hydromethanation of a carbonaceous feedstock.
  18. Sirdeshpande, Avinash, Hydromethanation of a carbonaceous feedstock.
  19. Rappas, Alkis S.; Spitz, Robert A., Hydromethanation of a carbonaceous feedstock with nickel recovery.
  20. Rappas, Alkis S.; Spitz, Robert A., Hydromethanation of a carbonaceous feedstock with vanadium recovery.
  21. Preston, William E., Integrated enhanced oil recovery process.
  22. Raman, Pattabhi K., Integrated enhanced oil recovery process.
  23. Wallace, Paul, Integrated enhanced oil recovery process.
  24. Powell, Charles Allen; Raman, Pattabhi K.; Robinson, Earl T.; Sirdeshpande, Avinash, Integrated hydromethanation fuel cell power generation.
  25. Sirdeshpande, Avinash, Integrated hydromethanation fuel cell power generation.
  26. Baker Daniel C. (Houston TX), Particulates and iron cyanide complex removal.
  27. Hsu Edward H. (Houston TX) Baker Daniel C. (Houston TX) Arbore Charles M. (Houston TX), Process for flyslag treatment utilizing a solids-containing concentrated aqueous stream.
  28. Potter Michael W. (Sugarland TX), Process for removing flyslag from gas.
  29. Ripperger, Gary Lee, Process for removing sulfur from a fuel gas stream additionally containing carbon dioxide and light olefins.
  30. Ripperger, Gary Lee, Process for removing sulfur from separate less reactive and more reactive fuel gas streams containing organic sulfur and light olefins.
  31. Baker Daniel C. (Houston TX), Process for the removal of iron cyanide complex or complexes from an aqueous solution.
  32. Reiling, Vincent G.; Robinson, Earl T.; Nahas, Nicholas Charles; Smith, Jeffery; Mims, Charles, Processes for gasification of a carbonaceous feedstock.
  33. Robinson, Earl T.; Lau, Francis S.; Raman, Pattabhi K.; Reiling, Vincent G.; Dodson, Dwain; Rahman, Mustafiz; Nahas, Nicholas Charles, Processes for gasification of a carbonaceous feedstock.
  34. Robinson, Earl T.; Reiling, Vincent G.; Raman, Pattabhi K.; Gal, Eli, Processes for gasification of a carbonaceous feedstock.
  35. Reiling, Vincent G.; Robinson, Earl T.; Sirdeshpande, Avinash; Nahas, Nicholas Charles, Processes for hydromethanation of a carbonaceous feedstock.
  36. Robinson, Earl T.; Raman, Pattabhi K.; Reiling, Vincent G., Processes for hydromethanation of a carbonaceous feedstock.
  37. Sirdeshpande, Avinash; Robinson, Earl T., Processes for hydromethanation of a carbonaceous feedstock.
  38. Robinson, Earl T., Processes for making syngas-derived products.
  39. Rappas, Alkis S.; Spitz, Robert A., Processes for preparing a catalyzed carbonaceous particulate.
  40. Rappas, Alkis S.; Spitz, Robert A.; Salem, George Frederick, Processes for preparing a catalyzed coal particulate.
  41. Raman, Pattabhi K.; Lau, Francis S.; Robinson, Earl T., Processes for the separation of methane from a gas stream.
  42. Raman, Pattabhi K.; Lau, Francis S.; Robinson, Earl T.; Anthony, Donald, Reduced carbon footprint steam generation processes.
  43. Raman, Pattabhi K.; Lau, Francis S.; Robinson, Earl T., Sour shift process for the removal of carbon monoxide from a gas stream.
  44. Lau, Francis S.; Robinson, Earl T., Steam generating slurry gasifier for the catalytic gasification of a carbonaceous feedstock.
  45. Raman, Pattabhi K.; Anthony, Donald, Steam generation processes utilizing biomass feedstocks.
  46. Sirdeshpande, Avinash; Keckler, Kenneth P.; Robinson, Earl T.; Raman, Pattabhi K., Use of contaminated low-rank coal for combustion.

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