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특허 상세정보

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Recovering anhydrous acrylic acid

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C07C-053/00    C07C-055/00    C07C-057/00    C07C-059/00   
미국특허분류(USC) 260/526N ; 203/63 ; 203/68 ; 260/530N
출원번호 US-0272551 (1972-07-17)
우선권정보 DT-2136396 (1971-07-21)
발명자 / 주소
  • Duembgen Gerd (Dannstadt DT) Engelbach Heinz (Limburgerhof DT) Frey Walter (Mannheim DT) Krabetz Richard (Kirchheim DT) Lebert Ulrich (Ludwigshafen DT) Spitzl Hermann (Ludwigshafen DT) Thiessen Fritz
출원인 / 주소
  • Badische Anilin- & Soda-Fabrik Aktiengesellschaft (Ludwigshafen (Rhine) DT 03)
인용정보 피인용 횟수 : 39  인용 특허 : 0
초록

Acrylic acid practically devoid of water, acrolein, formaldehyde and acetic acid is obtained at particularly low cost by countercurrent scrubbing and quenching of the reaction gas formed in the catalytic oxidation of propylene and/or acrolein with a high-boiling, extremely hydrophobic solvent followed by processing of the extract.

대표
청구항
▼

A continuous process for recovering anhydrous acrylic acid from a reaction gas which has been obtained by the catalytic oxidation of a compound selected from the group consisting of propylene, acrolein and mixtures thereof which process comprises: initially scrubbing said reaction gas which contains unreacted propylene and/or acrolein and impurities including water vapor, acetic acid, and formaldehyde countercurrentLy in an absorption column with a high boiling inert and extremely hydrophobic solvent selected from the group consisting of a hydrocarbon ha...

이 특허를 인용한 특허 (39)

  1. 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.
  2. Hammon, Ulrich; Walter, Thomas, Column for thermal treatment of a fluid.
  3. Otto Machhammer DE; Peter Zehner DE; Filip Deberdt BE, Continuous recovery of (meth)acrylic acid.
  4. Otto Machhammer DE; Susanne Haupt DE; Volker Schliephake DE; Jurgen Schroder DE, Continuous recovery of (meth)acrylic acid.
  5. Thiel, Joachim; Schroder, Jurgen; Nestler, Gerhard, Fractional condensation of a product gas mixture containing acrylic acid.
  6. Hirao, Harunori; Ishii, Yoshitake; Matsumoto, Yukihiro; Nishimura, Takeshi, Method for absorbing acrylic acid and method for purifying acrylic acid.
  7. Hirao, Harunori; Ishii, Yoshitake; Matsumoto, Yukihiro; Nishimura, Takeshi, Method for absorbing acrylic acid and method for purifying acrylic acid.
  8. Baek, Se-Won; Ha, Kyoung-Su; Park, Sung-Kyoo; Ko, Jun-Seok; Woo, Dong-Hyun; Kim, Young-Bae; Chang, Jung-Hoon, Method for collecting (meth)acrylic acid and apparatus for collecting (meth)acrylic acid.
  9. Kang, Seong Pil; Choi, Seok Hwan; Ha, Kyoung Su; Ko, Jun Seok; Kim, Young Bae; Woo, Boo Gon; Park, Min Jeong, Method for producing (meth) acrylic acid.
  10. Kang,Seong Pil; Choi,Seok Hwan; Ha,Kyoung Su; Kim,Geon Yong; Woo,Boo Gon; Lee,Sang Youn; Kim,Young Bae; Kang,Koo Hyun, Method for producing (meth) acrylic acid.
  11. Machhammer,Otto; Adami,Christoph; Hechler,Claus; Zehner,Peter, Method for producing acrolein and/or acrylic acid.
  12. Bernd Eck DE; Jorg Heilek DE; Volker Schliephake DE; Theo Proll DE; Klaus Brollos DE; Otto Machhammer DE; Joachim Thiel DE, Method for producing acrylic acid.
  13. Jurgen Schroder DE; Gerhard Nestler DE; Klaus Joachim Muller-Engel DE, Method for producing acrylic acid.
  14. Shimizu Toyomitsu,JPX ; Moriya Osamu,JPX ; Shigematsu Kunihiko,JPX ; Matsushita Ryuji,JPX, Method for producing acrylic acid.
  15. Bernd Eck DE; Otto Machhammer DE; Theo Proll DE; Volker Schliephake DE; Joachim Thiel DE; Klaus Brollos DE, Method for producing acrylic acid and methacrylic acid.
  16. Dubois, Jean-Luc, Method for producing bioresourced propionic acid from glycerol.
  17. Dubois, Jean-Luc, Method for producing bioresourced propionic acid from glycerol.
  18. Fauconet,Michel; Destenay,Jean Marie, Method for purifying (meth)acrylic acid by oxidising a gaseous substrate.
  19. Fauconet, Michel; Laurent, Denis, Method for purifying (meth)acrylic acid obtained by oxidizing a gaseous substrate.
  20. Volker Schliephake DE; Ulrich Hammon DE; Wolfgang Pies DE; Ulrich Rauh DE, Method for removing by-products obtained when producing acrylic acid or methacrylic acids.
  21. Heinrich Aichinger DE; Klaus Joachim Muller-Engel DE; Gerhard Nestler DE; Jurgen Schroder DE, Method for storing and/or transporting pure acrylic acid.
  22. Engelbach ; Heinz ; Krabetz ; Richard ; Duembgen ; Gerd ; Willersinn ; C arl-Heinz ; Frey ; Walter ; Lebert ; Ulrich ; Thiessen ; Fritz, Method of separating high-boiling or non-volatile materials.
  23. Machhammer Otto,DEX ; Dockner Toni,DEX ; Engert Gerd-Jurgen,DEX ; Proll Theo,DEX, Preparation of acrylic acid and esters.
  24. Hammon, Ulrich; Walter, Thomas; Raith, Christian, Process and plant for treatment of secondary components obtained in acrolein and/or (meth)acrylic acid production.
  25. Devaux, Jean-Francois; Fauconet, Michel; Laurent, Denis, Process for producing bio-resourced polymer-grade acrylic acid from glycerol.
  26. Korn, Tobias; Blum, Till; Carline, Travis; Fuchs, Christopher; Welch, Darryl; Zurowski, Peter; Schliephake, Volker; Rissel, Steffen; Friese, Thorsten; Jaeger, Ulrich; Haremza, Sylke, Process for production of acrylic acid.
  27. Leacock James (New York NY), Process for recovering methacrylic acid.
  28. Lipowsky,Gunter; Mueller Engel,Klaus Joachim, Process for rectificatively separating a liquid comprising acrylic acid and/or methacrylic acid.
  29. Heida Bernd,DEX ; Thiessen Fritz,DEX ; Hammon Ulrich,DEX ; Dams Albrecht,DEX, Process for the separation of acrylic acid.
  30. Peterson, Craig; Chapman, Josefina; Gallacher, Jonathan, Processes for producing acrylic acids and acrylates.
  31. Balduf,Torsten; Nordhoff,Stefan; Yu Chiang,Dennis Thong; Kobus,Axel; Roos,Martin, Purification of a monomer by extraction with a phase former and crystallization.
  32. Fauconet Michel,FRX ; Esch Marc,FRX ; Laurent Denis,FRX, Purification of acrylic acid obtained by catalytic oxidation of propylene.
  33. Dockner Toni,DEX ; Nestler Gerhard,DEX ; Herbst Holger,DEX ; Lermer Helmut,DEX ; Martan Hans,DEX ; Vogel Herbert,DEX ; Exner Herbert,DEX, Purification of crude (meth) acrylic acid.
  34. Ohrui Tetsuya (Niihama JPX) Kato Michio (Niihama JPX) Ayano Masami (Saijo JPX) Kawaguchi Tsunejiro (Niihama JPX) Abe Tadashi (Niihama JPX), Purification of crude acrylic acid.
  35. Lee Fu-Ming ; Gualy Ronald G., Recovery of acrylic acid from process or waste water streams.
  36. Mitchell William T. (Corpus Christi TX) Snyder Phillip S. (Houston TX), Recovery of anhydrous acids.
  37. Hammon, Ulrich; Herbst, Holger; Nestler, Gerhard, Rectification of (meth)acrylic acid with the addition of a tenside.
  38. Howard, Lowell, Self-regulating bio-gas treatment system.
  39. Egly Horst,DEX ; Diehl Volker,DEX ; Jorg Klaus,DEX, Separation of (meth)acrylic acid from the reaction gas mixture formed in the catalytic gas phase oxidation of C.sub.3 /C.

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