FI760026A7 - - Google Patents
Info
- Publication number
- FI760026A7 FI760026A7 FI760026A FI760026A FI760026A7 FI 760026 A7 FI760026 A7 FI 760026A7 FI 760026 A FI760026 A FI 760026A FI 760026 A FI760026 A FI 760026A FI 760026 A7 FI760026 A7 FI 760026A7
- Authority
- FI
- Finland
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/38—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D307/40—Radicals substituted by oxygen atoms
- C07D307/46—Doubly bound oxygen atoms, or two oxygen atoms singly bound to the same carbon atom
- C07D307/48—Furfural
-
- 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
- C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (12)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI760026A FI54923C (fi) | 1976-01-07 | 1976-01-07 | Foerfarande foer separering och tillvaratagande av furfural och organiska flyktiga syror saosom aettiksyra och myrsyra vid furfuralframstaellningsfoerfarandet |
| ZA767446A ZA767446B (en) | 1976-01-07 | 1976-12-14 | Method and apparatus for the separation and recovery of furfural and organic volatile acids such as acetica cid and formic acid from the process of preparation of furfural |
| US05/751,589 US4088660A (en) | 1976-01-07 | 1976-12-17 | Method for the separation and recovery of furfural and organic volatile acids, such as acetic acid and formic acid, from the process of preparation of furfural |
| IN2235/CAL/76A IN144970B (en, 2012) | 1976-01-07 | 1976-12-20 | |
| PT66016A PT66016B (en) | 1976-01-07 | 1976-12-27 | Method and apparatus for the separation and recovery of furfural and organic volatile acids such as acetic acid and formic acid from the process of preparation of furfural |
| HU76RO906A HU178709B (en) | 1976-01-07 | 1976-12-27 | Process for separating furfurole and volatile organic acisd from vapor-mixtures produced with the synthese of furfurole |
| AR266017A AR212708A1 (es) | 1976-01-07 | 1976-12-28 | Metodo y aparato para la separacion y recuperacion de furfural y acidos organicos volatiles,tales como acido acetico y acido formico,desde el procedimiento de preparacion de furfural |
| CA268,788A CA1065331A (en) | 1976-01-07 | 1976-12-29 | Method and apparatus for the separation and recovery of furfural and organic volatile acids, such as acetic acid and formic acid, from the process of preparation of furfural |
| FR7639670A FR2337723A1 (fr) | 1976-01-07 | 1976-12-30 | Procede et appareil pour separer et extraire du furfural et des acides organiques volatils |
| SE7614762A SE429341B (sv) | 1976-01-07 | 1976-12-30 | Forfarande for separering och atervinning av furfural och organiska flyktiga syror, sasom ettiksyra och myrsyra, vid furfuralframstellningsprocessen |
| PL1976194853A PL103109B1 (pl) | 1976-01-07 | 1976-12-30 | Sposob rozdzielania i odzyskiwania furfurolu i lotnych kwasow organicznych takich,jak kwas octowy i kwas mrowkowy,powstajacych w procesie wytwarzania furfurolu |
| DE19772700212 DE2700212A1 (de) | 1976-01-07 | 1977-01-05 | Verfahren und anlage zur trennung und gewinnung von furfural und organisch fluechtigen saeuren, wie essigsaeure und ameisensaeure, beim furfuralherstellungsprozess |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI760026A FI54923C (fi) | 1976-01-07 | 1976-01-07 | Foerfarande foer separering och tillvaratagande av furfural och organiska flyktiga syror saosom aettiksyra och myrsyra vid furfuralframstaellningsfoerfarandet |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI760026A7 true FI760026A7 (en, 2012) | 1977-07-08 |
| FI54923B FI54923B (fi) | 1978-12-29 |
| FI54923C FI54923C (fi) | 1979-04-10 |
Family
ID=8509674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI760026A FI54923C (fi) | 1976-01-07 | 1976-01-07 | Foerfarande foer separering och tillvaratagande av furfural och organiska flyktiga syror saosom aettiksyra och myrsyra vid furfuralframstaellningsfoerfarandet |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4088660A (en, 2012) |
| AR (1) | AR212708A1 (en, 2012) |
| CA (1) | CA1065331A (en, 2012) |
| DE (1) | DE2700212A1 (en, 2012) |
| FI (1) | FI54923C (en, 2012) |
| FR (1) | FR2337723A1 (en, 2012) |
| HU (1) | HU178709B (en, 2012) |
| IN (1) | IN144970B (en, 2012) |
| PL (1) | PL103109B1 (en, 2012) |
| PT (1) | PT66016B (en, 2012) |
| SE (1) | SE429341B (en, 2012) |
| ZA (1) | ZA767446B (en, 2012) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT365080B (de) * | 1980-03-14 | 1981-12-10 | Kanzler Walter | Verfahren zur extraktion von essigsaeure, ameisen- saeure, gegebenenfalls furfurol |
| US5264623A (en) * | 1993-01-04 | 1993-11-23 | Energy Mines & Resources Canada | Method of producing calcium salts from biomass |
| FI117633B (fi) * | 2000-12-29 | 2006-12-29 | Chempolis Oy | Kemikaalien talteenotto ja valmistus massan valmistuksen yhteydessä |
| FI119557B (fi) * | 2002-03-01 | 2008-12-31 | Chempolis Oy | Reaktiivinen erotus |
| CA2772112A1 (en) | 2009-08-27 | 2011-03-03 | Iogen Energy Corporation | Recovery of volatile carboxylic acids by a stripper- extractor system |
| US8987509B2 (en) * | 2009-08-27 | 2015-03-24 | Iogen Energy Corporation | Recovery of volatile carboxylic acids by extractive evaporation |
| SG187716A1 (en) * | 2010-08-04 | 2013-03-28 | Terrabon Mix Alco Llc | Process and system for separating heavy and light components contained in a vapor mixture |
| CN102351816A (zh) * | 2011-08-11 | 2012-02-15 | 任丘市恒达农产品科技开发有限公司 | 糠醛生产中低沸物的回收利用系统 |
| US9181209B2 (en) | 2011-12-28 | 2015-11-10 | E I Du Pont De Nemours And Company | Process for the production of furfural |
| US9181211B2 (en) | 2011-12-28 | 2015-11-10 | E I Du Pont De Nemours And Company | Process for the production of furfural |
| US20130168227A1 (en) * | 2011-12-28 | 2013-07-04 | E I Du Pont De Nemours And Company | Process for the production of furfural |
| US9181210B2 (en) | 2011-12-28 | 2015-11-10 | E I Du Pont De Nemours And Company | Processes for making furfurals |
| FI129405B (en) | 2016-12-30 | 2022-01-31 | Upm Kymmene Corp | A method and an apparatus for separating furfural |
| CN114471102A (zh) * | 2022-01-27 | 2022-05-13 | 宏业生物科技股份有限公司 | 一种降低糠醛渣VOCs排放的方法 |
| FI20235786A1 (en) * | 2023-07-03 | 2025-01-04 | Chempolis Oy | Apparatus and method for heteroazeotropic extractive distillation |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2818413A (en) * | 1946-01-19 | 1957-12-31 | Oronzio De Nora Impianti | Continuous process for the production of furfural and acetic acid from vegetative material |
| US2689250A (en) * | 1951-04-26 | 1954-09-14 | Oronzio De Nora Impianti | Production of furfural and acetic acid from pentosan containing material |
-
1976
- 1976-01-07 FI FI760026A patent/FI54923C/fi not_active IP Right Cessation
- 1976-12-14 ZA ZA767446A patent/ZA767446B/xx unknown
- 1976-12-17 US US05/751,589 patent/US4088660A/en not_active Expired - Lifetime
- 1976-12-20 IN IN2235/CAL/76A patent/IN144970B/en unknown
- 1976-12-27 PT PT66016A patent/PT66016B/pt unknown
- 1976-12-27 HU HU76RO906A patent/HU178709B/hu unknown
- 1976-12-28 AR AR266017A patent/AR212708A1/es active
- 1976-12-29 CA CA268,788A patent/CA1065331A/en not_active Expired
- 1976-12-30 PL PL1976194853A patent/PL103109B1/pl unknown
- 1976-12-30 FR FR7639670A patent/FR2337723A1/fr active Granted
- 1976-12-30 SE SE7614762A patent/SE429341B/xx unknown
-
1977
- 1977-01-05 DE DE19772700212 patent/DE2700212A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| PT66016B (en) | 1978-06-16 |
| FI54923B (fi) | 1978-12-29 |
| SE429341B (sv) | 1983-08-29 |
| SE7614762L (sv) | 1977-07-08 |
| PL103109B1 (pl) | 1979-05-31 |
| US4088660A (en) | 1978-05-09 |
| AR212708A1 (es) | 1978-09-15 |
| DE2700212A1 (de) | 1977-07-14 |
| HU178709B (en) | 1982-06-28 |
| PT66016A (en) | 1977-01-01 |
| FR2337723A1 (fr) | 1977-08-05 |
| IN144970B (en, 2012) | 1978-08-05 |
| CA1065331A (en) | 1979-10-30 |
| FR2337723B3 (en, 2012) | 1979-09-07 |
| FI54923C (fi) | 1979-04-10 |
| ZA767446B (en) | 1977-11-30 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: RAUMA-REPOLA OY |