GB1576293A - Continuous manufacture of formamide - Google Patents
Continuous manufacture of formamide Download PDFInfo
- Publication number
- GB1576293A GB1576293A GB21259/77A GB2125977A GB1576293A GB 1576293 A GB1576293 A GB 1576293A GB 21259/77 A GB21259/77 A GB 21259/77A GB 2125977 A GB2125977 A GB 2125977A GB 1576293 A GB1576293 A GB 1576293A
- Authority
- GB
- United Kingdom
- Prior art keywords
- reactor
- formamide
- ammonia
- recycled
- liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 title claims description 32
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 47
- 238000000034 method Methods 0.000 claims description 23
- 229910021529 ammonia Inorganic materials 0.000 claims description 22
- TZIHFWKZFHZASV-UHFFFAOYSA-N methyl formate Chemical compound COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims 2
- 239000000463 material Substances 0.000 claims 1
- 238000001816 cooling Methods 0.000 description 6
- 239000011541 reaction mixture Substances 0.000 description 5
- 238000003786 synthesis reaction Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000008235 industrial water Substances 0.000 description 3
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000006887 Ullmann reaction Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C231/00—Preparation of carboxylic acid amides
- C07C231/02—Preparation of carboxylic acid amides from carboxylic acids or from esters, anhydrides, or halides thereof by reaction with ammonia or amines
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2623173A DE2623173C3 (de) | 1976-05-22 | 1976-05-22 | Verfahren zur kontinuierlichen Herstellung von Formamid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1576293A true GB1576293A (en) | 1980-10-08 |
Family
ID=5978847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB21259/77A Expired GB1576293A (en) | 1976-05-22 | 1977-05-20 | Continuous manufacture of formamide |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4134915A (https=) |
| JP (1) | JPS6050184B2 (https=) |
| BE (1) | BE854923A (https=) |
| CA (1) | CA1072118A (https=) |
| DE (1) | DE2623173C3 (https=) |
| FR (1) | FR2351951A1 (https=) |
| GB (1) | GB1576293A (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3106054A1 (de) * | 1981-02-19 | 1982-09-02 | Basf Ag, 6700 Ludwigshafen | Verfahren zur kontinuierlichen herstellung von formamid |
| CN1125810C (zh) * | 1997-08-18 | 2003-10-29 | 三菱丽阳株式会社 | 甲酰胺的制备方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1567312A (en) * | 1925-05-20 | 1925-12-29 | Basf Ag | Manufacture of formamide |
| GB476942A (en) * | 1935-07-20 | 1937-12-17 | Du Pont | Improvements in or relating to the manufacture of organic acid amides |
| US2106579A (en) * | 1936-03-30 | 1938-01-25 | Du Pont | Manufacture of formamide |
| US2751335A (en) * | 1951-02-01 | 1956-06-19 | Exxon Research Engineering Co | Method and apparatus for mixing and contacting fluids |
| DE1215130B (de) * | 1962-07-03 | 1966-04-28 | Basf Ag | Verfahren zur Herstellung von Formamid |
-
1976
- 1976-05-22 DE DE2623173A patent/DE2623173C3/de not_active Expired
-
1977
- 1977-05-04 CA CA277,695A patent/CA1072118A/en not_active Expired
- 1977-05-05 US US05/793,788 patent/US4134915A/en not_active Expired - Lifetime
- 1977-05-18 JP JP52056509A patent/JPS6050184B2/ja not_active Expired
- 1977-05-18 FR FR7715411A patent/FR2351951A1/fr active Granted
- 1977-05-20 GB GB21259/77A patent/GB1576293A/en not_active Expired
- 1977-05-23 BE BE177815A patent/BE854923A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2623173B2 (de) | 1979-07-12 |
| JPS52142010A (en) | 1977-11-26 |
| DE2623173A1 (de) | 1977-12-01 |
| FR2351951B1 (https=) | 1983-11-10 |
| CA1072118A (en) | 1980-02-19 |
| FR2351951A1 (fr) | 1977-12-16 |
| BE854923A (fr) | 1977-11-23 |
| JPS6050184B2 (ja) | 1985-11-07 |
| US4134915A (en) | 1979-01-16 |
| DE2623173C3 (de) | 1980-03-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PE20 | Patent expired after termination of 20 years |
Effective date: 19970519 |