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특허 상세정보

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Anhydrous diluents for the propylene oxidation reaction to acrolein and acrolein oxidation to acrylic acid

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C07C-051/16    C07C-051/00   
미국특허분류(USC) 562/532 ; 562/534 ; 562/535
출원번호 US-0542697 (1990-06-25)
발명자 / 주소
  • Etzkorn William G. (Cross Lanes WV) Harkreader Gordon G. (Charleston WV)
출원인 / 주소
  • Union Carbide Chemicals (Danbury 02) Plastics Technology Corporation (Danbury CT 02)
인용정보 피인용 횟수 : 53  인용 특허 : 0
초록
▼

The processes for oxidation of propylene to acrolein and the oxidation of propylene to acrylic acid in two stages with acrolein as an intermediate are improved by use of essentially inert essentially anhydrous diluent gases to replace steam in the reaction streams. In particular, the use of essentially inert essentially anhydrous diluents which raise the composite heat capacity of the diluent gaas mixture to at least about 6.5 calories/(gram-mole) (°C.) will improve selectivity to desired products and will reduce both the waste water load on the system a...

대표
청구항
▼

In a process for producing acrolein by the catalytic oxidation of propylene and a process for producing acrolein and acrylic acid by a two-step catalytic oxidation of propylene, wherein the first-stage reaction produces primarily acrolein and the second stage reaction produces primarily acrylic acid by the oxidation of acrolein, said processes optionally using one or more recycle streams to either or both stages, both stages operating on feed streams containing oxygen and inert diluent gas, the improvement comprising utilizing one or more essentially ine...

이 특허를 인용한 특허 (53)

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  2. Liang, Wugeng; Stevenson, Scott A.; McGuffey, Angie, Catalyst for methacrolein oxidation and method for making and using same.
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  4. Liang, Wugeng; Stevenson, Scott A.; McGuffey, Angie; Linzer, Joseph R., Catalyst for the oxidation of a mixed aldehyde feedstock to methacrylic acid and methods for making and using same.
  5. Lee, Han; Allen, Scott D.; Farmer, Jay J.; Coates, Geoff, Catalytic carbonylation catalysts and methods.
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  8. Diehl,Volker; J채ger,Ulrich; Schr철der,J체rgen; Thiel,Joachim, Cleaning of apparatus in which meth(acrylic) acid-containing organic solvents have been treated and/or generated.
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  13. Sookraj, Sadesh H., Distillation process for production of acrylic acid.
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  16. Purvis David,CAX ; Mc Cue Richard H., Integrated cracking and olefins derivative process utilizing dilute olefins.
  17. Stevenson, Scott A.; Liang, Wugeng, Integrated plant for producing 2-ethyl-hexanol and methacrylic acid.
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  19. Machhammer,Otto; Adami,Christoph; Hechler,Claus; Zehner,Peter, Method for producing acrolein and/or acrylic acid.
  20. Otto Machhammer DE; Andreas Tenten DE; Harald Jachow DE; Susanne Haupt DE; Heiko Arnold DE; Signe Unverricht DE, Method for producing acrolein and/or acrylic acid from propane.
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  23. Hirao,Harunori; Ueno,Kouji; Serata,Naoki; Yokogoshiya,Takeshi, Method for production of (meth) acrylic acid.
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  26. Machhammer, Otto; Schindler, Goetz-Peter; Tenten, Andreas; Harth, Klaus; Zehner, Peter; Müller-Engel, Klaus Joachim; Rosowski, Frank; Borgmeier, Frieder, Method for the production of acrolein or acrylic acid or the mixture thereof from propane.
  27. Korn, Tobias Johannes; Zurowski, Peter; Friese, Thorsten; Haremza, Sylke; Jaeger, Ulrich; Rissel, Steffen; Schliephake, Volker, Method of stabilizing polymerizable compounds.
  28. Nunley, Mark Allen; Bhasin, Madan Mohan; Etzkorn, William George; Keller, II, George Ernest; Wadia, Parvez H., Methods for integrated natural gas purification and products produced therefrom.
  29. Stevenson, Scott A.; Liang, Wugeng; Kauffman, James W.; Cai, Lixia; McGuffey, Angie; Linzer, Joseph R., Methods for making unsaturated acids using catalysts for methacrolein oxidation.
  30. Searle, Ronald G., Olefin recovery in a polyolefin production process.
  31. Dieterle, Martin; Diefenbacher, Armin; Schindler, Goetz Peter; Klanner, Catharina; Mueller Engel, Klaus Joachim; Adami, Christoph, Preparation of acrolein or acrylic acid or a mixture thereof by heterogeneously catalyzed partial gas phase oxidation of propylene.
  32. Dieterle, Martin; Mueller-Engel, Klaus Joachim; Hechler, Claus; Hammon, Ulrich; Diefenbacher, Armin, Preparation of acrylic acid by heterogeneously catalyzed partial gas phase oxidation of propylene.
  33. Blum, Till; Zurowski, Peter; Korn, Tobias Johannes; Haremza, Sylke; Friese, Thorsten; Martin, Friedrich-Georg; Jäger, Ulrich; Rissel, Steffen; Schliephake, Volker, Process for inhibiting unwanted free-radical polymerization of acrylic acid present in a liquid phase P.
  34. Blum, Till; Zurowski, Peter; Korn, Tobias Johannes; Haremza, Sylke; Friese, Thorsten; Martin, Friedrich-Georg; Jäger, Ulrich; Rissel, Steffen; Schliephake, Volker, Process for inhibiting unwanted free-radical polymerization of acrylic acid present in a liquid phase P.
  35. Timothy Allen Hale ; Robert Michael Mason ; Josefina Tseng Chapman ; James Clarence Day ; Chorng-Shyuan Tsay TW, Process for preparing (meth) acrylic acid.
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  40. Heilek, Joerg; Mueller Engel, Klaus Joachim; Dieterle, Martin; Diefenbacher, Armin, Process for separating acrylic acid and benzoic acid present in a product gas mixture of a partial heterogeneously catalyzed gas phase oxidation of a Cprecursor compound of acrylic acid.
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  50. Etzkorn William George ; Brockwell Jonathan Lester ; Young Mark Anderson ; Maher John Michael ; Warren Barbara Knight, Processes for the manufacture of acrolein.
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  52. Brockwell Jonathan L ; Young Mark A ; Etzkorn William G ; Warren Barbara K ; Maher John M, Processes for the manufacture of methylmercaptopropanal.
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