IN144970B - - Google Patents
Info
- Publication number
- IN144970B IN144970B IN2235/CAL/76A IN2235CA1976A IN144970B IN 144970 B IN144970 B IN 144970B IN 2235CA1976 A IN2235CA1976 A IN 2235CA1976A IN 144970 B IN144970 B IN 144970B
- Authority
- IN
- India
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)
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 (1)
| Publication Number | Publication Date |
|---|---|
| IN144970B true IN144970B (en, 2012) | 1978-08-05 |
Family
ID=8509674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN2235/CAL/76A IN144970B (en, 2012) | 1976-01-07 | 1976-12-20 |
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 |
| FI760026A7 (en, 2012) | 1977-07-08 |
| PT66016A (en) | 1977-01-01 |
| FR2337723A1 (fr) | 1977-08-05 |
| CA1065331A (en) | 1979-10-30 |
| FR2337723B3 (en, 2012) | 1979-09-07 |
| FI54923C (fi) | 1979-04-10 |
| ZA767446B (en) | 1977-11-30 |