KR960700208A - 탈수소화 방법 및 장치(Dehydrogenation processes and equipment therefor) - Google Patents

탈수소화 방법 및 장치(Dehydrogenation processes and equipment therefor)

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KR960700208A
KR960700208A KR1019950702764A KR19950702764A KR960700208A KR 960700208 A KR960700208 A KR 960700208A KR 1019950702764 A KR1019950702764 A KR 1019950702764A KR 19950702764 A KR19950702764 A KR 19950702764A KR 960700208 A KR960700208 A KR 960700208A
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tin
metal
coating
dehydrogenation
reaction tower
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KR100331021B1 (ko
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브이.히제 죤
에프.멀라스키 버나드
지.존슨 파울
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더블유. 케이스 터너
셰브런 케미칼 캄파니
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
    • C07C5/32—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
    • C07C5/327—Formation of non-aromatic carbon-to-carbon double bonds only
    • C07C5/333—Catalytic processes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P17/00—Drugs for dermatological disorders
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P17/00—Drugs for dermatological disorders
    • A61P17/06—Antipsoriatics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00—Antineoplastic agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/02—Apparatus characterised by being constructed of material selected for its chemically-resistant properties
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C401/00—Irradiation products of cholesterol or its derivatives; Vitamin D derivatives, 9,10-seco cyclopenta[a]phenanthrene or analogues obtained by chemical preparation without irradiation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
    • C07C5/32—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
    • C07C5/321—Catalytic processes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
    • C07C5/32—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
    • C07C5/327—Formation of non-aromatic carbon-to-carbon double bonds only
    • C07C5/333—Catalytic processes
    • C07C5/3335—Catalytic processes with metals
    • C07C5/3337—Catalytic processes with metals of the platinum group
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/02—Apparatus characterised by their chemically-resistant properties
    • B01J2219/0204—Apparatus characterised by their chemically-resistant properties comprising coatings on the surfaces in direct contact with the reactive components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/02—Apparatus characterised by their chemically-resistant properties
    • B01J2219/0204—Apparatus characterised by their chemically-resistant properties comprising coatings on the surfaces in direct contact with the reactive components
    • B01J2219/0236—Metal based
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/02—Apparatus characterised by their chemically-resistant properties
    • B01J2219/025—Apparatus characterised by their chemically-resistant properties characterised by the construction materials of the reactor vessel proper
    • B01J2219/0277—Metal based
    • B01J2219/0286—Steel
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals
    • C07C2523/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals of the platinum group metals
    • C07C2523/42—Platinum

Abstract

(ⅰ)(a)실질적인 액체 금속 메짐을 피하면서 작업시에 탄화수소로부터 강 부분을 분리시키기에 효과적인 두께로, 침탄 내성 보호층을 형성하는데 효과적인 금속 도금, 클대딩 또는 기타 금속의 코팅제를 강 부분에 적용하고, (b)탄화물-풍부 중간의 결합층을 통하여 강 부분에 고정시킨 보호층을 형성함으로써 탈수소화 반응탑 시스템의 강 부분에 침탄 및 마멸 내성 보호층을 제공하고; (ⅱ)탈수소 가능한 탄화 수소를 촉매적으로 탈수소화시킴으로 특징으로 하는 탈수소화 방법.

Description

탈수소화 방법 및 장치(Dehydrogenation processes and equipment therefor)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (53)

  1. (ⅰ)(a)모든 실질적인 액체 금속 메짐을 피하면서 조작동안 강 부분을 탄화수소로부터 분리시키기에 유효한 두께로, 침탄 내성 보호층을 형성하는데 효과적인 금속 도금, 클대딩 또는 기타 금속의 코팅제를 강 부분에 적용하고, (b)탄화물-풍부 중간의 결합층을 통하여 강 부분에 고정된 보호층을 형성시켜 탈수소화 반응탑 시스템의 강 부분에 침탄 및 마멸 내성 보호층을 제공하고; (ⅱ)탈수소 가능한 탄화 수소를 촉매적으로 탈수소화시킴으로 특징으로 하는 탈수소화 방법.
  2. 제1항에 있어서, 유동 또는 이동 촉매 상 반응탑에서 탈수소화시킴을 특징으로 하는 방법.
  3. 제1항에 있어서, 에탄, 프로판, n-부탄, 이소부탄, 혼합된 부탄, 펜탄, 이손펜탄 또는 에틸벤젠중에서 선택된 탄호수소를 올레핀 생성물로 탈수소화시킴을 특징으로 하는 방법.
  4. 제3항에 있어서, n-부탄, 이소부탄 또는 혼합된 부탄을 탈수소화시킴을 특징으로 하는 방법.
  5. 제3항에 있어서, 프로판을 탈수소화시킴을 특징으로 하는 방법.
  6. 제1항에 있어서, 탈수소화동안 반응탑 시스템중의 황 수준이 약 100ppm 미만인 방법.
  7. 제6항에 있어서, 황 수준이 약 50ppm 미만인 방법.
  8. 제7항에 있어서, 황 수준이 약 20ppm 미만인 방법.
  9. 제1항에 있어서, 금속이 주요한 부분에 안티몬, 비소, 비스무트, 구리, 크롬, 갈륨, 게르마늄, 인듐, 납, 셀렌, 텔루륨, 주석 및 이의 혼합물로 이루어진 그룹중에서 선택된 하나 이상의 금속을 포함하여 도금, 클래딩 또는 다른 코팅으로서 적용되는 방법.
  10. 제9항에 있어서, 금속이 주요 부분에 안티몬, 비소, 크롬, 게르마늄, 셀렌, 텔루륨, 주석 및 이의 혼합물로 이루어진 그룹중에서 선택된 하나 이상의 금속을 포함하여 도금, 클래딩 또는 다른 코팅으로서 적용되는 방법.
  11. 제10항에 잇어서, 금속이 주요 부분에 안티몬, 게르마늄, 주석 및 이의 혼합물로 이루어진 그룹중에서 선택된 하나 이상의 금속을 포함하여 도금, 클래딩 또는 다른 코팅으로서 적용되는 방법.
  12. 제9항에 있어서, 금속 도금, 클래딩 또는 다른 코팅이 0.5 밀스 내지 15 밀스의 두께로 적용되는 방법.
  13. 제12항에 있어서, 금속 도금, 클래딩 또는 기타 코팅이 1 내지 10 밀스의 두께로 적용되는 방법.
  14. 제13항에 있어서, 금속 도금, 클래딩 또는 기타 코팅이 2 내지 8 밀스의 두께로 적용되는 방법.
  15. 제1항에 있어서, 보호층이 탈수소화동안 약 1000℉ 이상의 표면 온도를 나타내는 반응탑 시스템의 부분에 적용되는 방법.
  16. 제15항에 있어서, 보호층이 로튜브에 적용되는 방법.
  17. 제9항에 있어서, 그목이 침탄 억제량의 금속 분진으로 표면-처리된 촉매 혼합물을 사용하여 코팅으로서 적용되는 방법.
  18. 제17항에 있어서, 금속 분진이 주속 분진인 방법.
  19. 제18항에 있어서, 촉매 혼합물이 혼합물의 표면에 혼합물의 중량을 기준으로 약 1 내지 약 20중량%의 주석 분진(0.1 내지 20마이크론의 주석 입자로 이루어진 주석 분진)을 분산시킴으로써 주석 분진으로 표면-처리되는 방법.
  20. 제19항에 있어서, 촉매 혼합물이 혼합물의 표면에 혼합물의 중량을 기준으로 약 5 내지 약 15중량%의 주석 분진(1 내지 5마이크론의 주석 입자로 이루어진 주석 분진)을 분산시킴으로서 주석 분진으로 표면-처리 되는 방법.
  21. 제9항에 있어서, 금속이 도금으로서 적용되는 방법.
  22. 제9항에 있어서, 금속이 페인트로서 적용되는 방법.
  23. 제13항에 있어서, 금속이 주석-함유 페인트로서 적용되는 방법.
  24. 제13항에 있어서, 금속이 흡수/분산/결합 시약으로 효과적인 수소 분해가능한 주석 화합물, 용매 시스템, 미분된 주석 금속 및 산화 주석을 포함하는 주석-함유 페인트로서 적용되는 방법.
  25. 제23항에 있어서, 페인트가 철을 함유하는 방법.
  26. 제25항에 있어서, 페인트가 주석 대 철을 10 내지 1의 비율로 함유하는 방법.
  27. 제1항에 있어서, 강 부분이 스테인레스 강 부분이고 결합층이 탄화물-풍부, 니켈-격감된 결합층인 방법.
  28. 제1항에 있어서, 보호층의 표면에 하나 이상의 추가의 보호층을 형성시킴을 추가로 포함하는 방법.
  29. 제28항에 있어서, 주석화물 보호층에 구리 기본된-보호층을 형성시킴을 추가로 포함하는 방법.
  30. 탄화수소와 접촉되어 있는 반응탑 시스템의 적어도 한 부분이 반응탑 시스템의 침탄 내성을 증가시키기에 효과적인 범위까지 침탄 내성 코팅으로 전처리되어 있는 반응탑 시스템에서, 탄화수소를 저 황 탈수소화 조건하에 탈수소화 촉매와 접촉시킴을 특징으로하여 탈수소화 가능한 탄화수소를 탈수소화시키는 방법.
  31. 제30항에 있어서, 침탄 내성 주석 코팅으로 전처리된 반응탑 시스템에서 탈수소화시킴을 특징으로 하여 탈수소화 가능한 탄화수소를 탈수소화시키는 방법.
  32. 제30항에 있어서, 침탄 내성 주석 코팅으로 전처리된 반응탑 시스템에서 탈수소화시킴을 특징으로 하여 탈수소화 가능한 탄화수소를 탈수소화시키는 방법.
  33. 제30항에 있어서, 물질이 기본 구조 물질에 도금, 클래딩, 페인트 또는 다른 코팅으로서 제공되어 탈수소화 가능한 탄화수소를 탈수소화시키는 방법.
  34. 제30항에 있어서, 주석 코팅이 주석으로 처리된 촉매 부하 표면을 사용하여 기본 구조 물질에 제공되는 방법.
  35. 제30항에 있어서, 반응탑 시스템의 적어도 한 부분이 안티몬, 비소, 비스무트 또는 납을 포함하여 내성코팅으로 전처리되어 탈수소화 가능한 탄화수소를 탈수소화시키는 방법.
  36. 제30항에 있어서, 반응탑 시스템의 적어도 한 부분이 게르마늄을 포함한 내성 코팅으로 전처리되어 탈수소화 가능한 탄화수소를 탈수소화시키는 방법.
  37. 제30항에 있어서, 반응탑 시스템의 하나 이상의 로튜브를 전처리시킴을 특징으로 하여 탈수소화 가능한 탄화수소를 탈수소화시키는 방법.
  38. (ⅰ)(a)실질적인 액체 금속 메짐을 피하면서 작업동안 스테인레스 강 부분을 탄화수소로 분리시키기에 효과적인 두께로, 금속 도금, 클래딩 또는 다른 주석의 코팅을 적용하고, (b)주석산화물 함유물을 포함하는 탄화물-풍부, 니켈-격감된 중간의 스테인레스 강 결합층을 통하여 스테인레스 강 부분에 고정된 탄화물 함유물을 포함하는 니켈-농축된 주석화물 보호층을 형성시켜 탈수소화 반응탑 시스템의 강 부분에 고정된 탄화물 함유물을 포함하는 니켈-농축된 주석화물 보호츠을 형성시켜 탈수소화 반응탑 시스템의 스테인레스 강 부분에 침탄 및 마멸 내성 주석화물 보호층을 제공하고; (ⅱ)탈수소 가능한 탄화수소를 촉매적으로 탈수소화시킴으로 특징으로 하는 탈수소화 방법.
  39. 제38항에 있어서, 탄화물 함유물이 탄화물-풍부, 니켈-격감된 중간의 결합층에서 주석하물 상으로 실질적으로 중단 없이 연속적으로 확장하고, 주석화물 함유물이 주석화물 층으로부터 탄화물-풍부, 니켈-격감된 중간의 결합층으로 실질적으로 중단 없이 연속적으로 확장되는 탈수소화 방법.
  40. 제39항에 있어서, 탄화물-풍부, 니켈-격감된 중간의 결합층과 니켈이 농축돈 주석화물 층 사이의 접촉며이 불규칙하지만, 실질적으로 중단되지 않은 탈수소화 방법.
  41. 제38항에 있어서, 유동 또는 이동 촉매 상 반응탑에서 탈수소화시킴을 특징으로 하는 방법.
  42. 제38항에 있어서, 에탄, 프로판, n-부탄, 이소부탄, 혼합된 부탄, 펜탄, 이소펜탄 또는 에틸벤젠중에서 선택된 탄화수소를 올레핀 생성물로 탈수소화시킴을 특징으로 하는 방법.
  43. 제42항에 있어서, 부탄을 탈수소화시킴을 특지으로 하는 방법.
  44. 제42항에 있어서, 프로판을 탈수소화시킴을 특지으로 하는 방법.
  45. 제38항에 있어서, 탈수소화시키는 동안 반층탑 시스템중의 황 수준이 약 100ppm 미만인 방법.
  46. 제45항에 있어서, 황 수준이 약 50ppm 미만인 방법.
  47. 제46항에 있어서, 황 수준이 약 20ppm 미만인 방법.
  48. 제38항에 있어서, 주석이 0.5 밀스 내지 15 밀스의 두께로 적용되는 방법.
  49. 제48항에 있어서, 주석이 1 내지 10 밀스의 두께로 적용되는 방법.
  50. 제49항에 있어서, 주석이 2 내지 8 밀스의 두께로 적용되는 방법.
  51. 제38항에 있어서, 보호층이 탈수소화 동안 약 1200℉이상의 표면 온도를 나타내는 반응탑 시스템의 한 부분에 적용되는 방법.
  52. 제51항에 있어서, 보호층이 로튜브 또는 열 교환기를 적용되는 방법.
  53. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
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CA2153422A1 (en) 1994-07-21
JPH08506101A (ja) 1996-07-02
AU5990494A (en) 1994-08-15
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US5406014A (en) 1995-04-11
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