BR7803779A - Processo de preparacao de acido acrilico a partir de suas solucoes em fosfato de tri-n-butila - Google Patents
Processo de preparacao de acido acrilico a partir de suas solucoes em fosfato de tri-n-butilaInfo
- Publication number
- BR7803779A BR7803779A BR787803779A BR7803779A BR7803779A BR 7803779 A BR7803779 A BR 7803779A BR 787803779 A BR787803779 A BR 787803779A BR 7803779 A BR7803779 A BR 7803779A BR 7803779 A BR7803779 A BR 7803779A
- Authority
- BR
- Brazil
- Prior art keywords
- tri
- solutions
- acrylic acid
- butyl phosphate
- preparing acrylic
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
- C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7718136A FR2394512A1 (fr) | 1977-06-14 | 1977-06-14 | Procede de separation d'acide acrylique a partir de ses solutions dans le phosphate de tri-n-butyle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7803779A true BR7803779A (pt) | 1979-02-20 |
Family
ID=9192057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR787803779A BR7803779A (pt) | 1977-06-14 | 1978-06-13 | Processo de preparacao de acido acrilico a partir de suas solucoes em fosfato de tri-n-butila |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4219389A (pt) |
| EP (1) | EP0000110B1 (pt) |
| JP (1) | JPS5416421A (pt) |
| BR (1) | BR7803779A (pt) |
| CA (1) | CA1103196A (pt) |
| DE (1) | DE2862438D1 (pt) |
| ES (1) | ES470776A1 (pt) |
| FR (1) | FR2394512A1 (pt) |
| IT (1) | IT1105727B (pt) |
| SU (1) | SU963461A3 (pt) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6098794A (ja) * | 1983-11-04 | 1985-06-01 | Matsushita Electric Ind Co Ltd | 圧電型電気音響変換器 |
| JPS61159899A (ja) * | 1985-01-08 | 1986-07-19 | Kimio Takahashi | 圧電スピ−カ |
| JPS61159900A (ja) * | 1985-01-08 | 1986-07-19 | Kimio Takahashi | 圧電スピ−カ |
| JPS61161100A (ja) * | 1985-01-09 | 1986-07-21 | Kimio Takahashi | 圧電スピ−カ |
| DE3629093A1 (de) * | 1986-08-27 | 1988-03-10 | Stettner & Co | Piezokeramischer schallwandler |
| JPH01176200A (ja) * | 1987-12-29 | 1989-07-12 | Nec Corp | 圧電振動板 |
| JPH04105795U (ja) * | 1991-02-23 | 1992-09-11 | 太陽誘電株式会社 | 圧電音響装置 |
| FR2735989B1 (fr) * | 1995-06-29 | 1997-08-14 | Rhone Poulenc Nutrition Animal | Procede et installation de purification d'un flux gazeux contenant de l'acroleine |
| DE19740252A1 (de) * | 1997-09-12 | 1999-03-18 | Basf Ag | Verfahren zur Herstellung von Acrylsäure und Methacrylsäure |
| DE19833049A1 (de) * | 1998-07-22 | 2000-01-27 | Basf Ag | Verfahren zur Herstellung von Acrylsäure |
| DE19838783A1 (de) * | 1998-08-26 | 2000-03-02 | Basf Ag | Verfahren zur kontinuierlichen Gewinnung von (Meth)acrylsäure |
| NL1013682C2 (nl) * | 1999-11-26 | 2001-05-30 | Purac Biochem Bv | Werkwijze en inrichting voor het zuiveren van een waterige oplossing van melkzuur. |
| US20030150705A1 (en) * | 2002-01-08 | 2003-08-14 | Deshpande Sanjeev D. | Acrylic acid recovery utilizing ethyl acrylate and selected co-solvents |
| DE10220494A1 (de) * | 2002-05-07 | 2003-11-20 | Basf Ag | Verfahren zur Herstellung einer wässrigen Alkaliacrylat-Lösung |
| TWI337996B (en) * | 2003-10-09 | 2011-03-01 | Basf Ag | Rectificative separation of an acrylic acid-containing liquid |
| DE10347664A1 (de) | 2003-10-09 | 2004-12-02 | Basf Ag | Verfahren der rektifikativen Auftrennung einer Acrylsäure enthaltenden Flüssigkeit |
| DE102010064250A1 (de) | 2010-12-28 | 2012-06-28 | Evonik Degussa Gmbh | Verfahren zur Herstellung von Methylmercaptopropionaldehyd |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3092587A (en) * | 1959-07-22 | 1963-06-04 | Bergwerksgesellschaft Hibernia | Process for the production of high percentage solutions of organic peroxides |
| FR1359885A (fr) * | 1963-03-21 | 1964-04-30 | Electrochimie Soc | Procédé de fabrication d'acide acrylique glacial |
| US3555082A (en) * | 1966-12-15 | 1971-01-12 | Knapsack Ag | Process for isolating acrylic acid from the reaction gases obtained by oxidation of propylene or acrolein |
| AT274743B (de) * | 1967-09-28 | 1969-09-25 | Krems Chemie Gmbh | Verfahren und Vorrichtung zur kontinuierlichen Fraktionierung von Tallöl oder andern organischen Mehrstoffgemischen |
| US3697387A (en) * | 1968-05-16 | 1972-10-10 | Buss Ag | Process and device for the purification of a mixture of organic substances of high molecular weight |
| NL180579C (nl) * | 1972-05-24 | 1987-03-16 | Sumitomo Chemical Co | Werkwijze voor het scheiden van een mengsel bestaande uit acrylzuur, azijnzuur en water. |
| US4043873A (en) * | 1973-06-15 | 1977-08-23 | Societa' Italiana Resine S.I.R. S.P.A. | Plural stage recovery of trioxane in a process having a molecular distillation step |
-
1977
- 1977-06-14 FR FR7718136A patent/FR2394512A1/fr active Granted
-
1978
- 1978-06-05 EP EP78400011A patent/EP0000110B1/fr not_active Expired
- 1978-06-05 DE DE7878400011T patent/DE2862438D1/de not_active Expired
- 1978-06-12 US US05/914,923 patent/US4219389A/en not_active Expired - Lifetime
- 1978-06-13 CA CA305,325A patent/CA1103196A/fr not_active Expired
- 1978-06-13 JP JP7045478A patent/JPS5416421A/ja active Granted
- 1978-06-13 IT IT49856/78A patent/IT1105727B/it active
- 1978-06-13 BR BR787803779A patent/BR7803779A/pt unknown
- 1978-06-14 ES ES470776A patent/ES470776A1/es not_active Expired
- 1978-06-14 SU SU782627502A patent/SU963461A3/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5711896B2 (pt) | 1982-03-08 |
| ES470776A1 (es) | 1979-02-01 |
| EP0000110A1 (fr) | 1978-12-20 |
| SU963461A3 (ru) | 1982-09-30 |
| US4219389A (en) | 1980-08-26 |
| FR2394512A1 (fr) | 1979-01-12 |
| IT7849856A0 (it) | 1978-06-13 |
| JPS5416421A (en) | 1979-02-07 |
| FR2394512B1 (pt) | 1980-01-18 |
| DE2862438D1 (en) | 1984-10-04 |
| EP0000110B1 (fr) | 1984-08-29 |
| CA1103196A (fr) | 1981-06-16 |
| IT1105727B (it) | 1985-11-04 |
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