CH649271A5 - Verfahren zur rueckgewinnung von ammoniak aus einer waesserigen ammoniumcarbonat-loesung. - Google Patents
Verfahren zur rueckgewinnung von ammoniak aus einer waesserigen ammoniumcarbonat-loesung. Download PDFInfo
- Publication number
- CH649271A5 CH649271A5 CH2448/82A CH244882A CH649271A5 CH 649271 A5 CH649271 A5 CH 649271A5 CH 2448/82 A CH2448/82 A CH 2448/82A CH 244882 A CH244882 A CH 244882A CH 649271 A5 CH649271 A5 CH 649271A5
- Authority
- CH
- Switzerland
- Prior art keywords
- column
- ammonia
- solution
- tray
- base
- Prior art date
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims description 94
- 229910021529 ammonia Inorganic materials 0.000 title claims description 46
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 title claims description 22
- 239000001099 ammonium carbonate Substances 0.000 title claims description 22
- 235000012501 ammonium carbonate Nutrition 0.000 title claims description 22
- 238000000034 method Methods 0.000 title claims description 19
- 238000011084 recovery Methods 0.000 title description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 30
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical group [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 27
- 150000003863 ammonium salts Chemical class 0.000 claims description 19
- 239000001569 carbon dioxide Substances 0.000 claims description 15
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 15
- 150000007529 inorganic bases Chemical class 0.000 claims description 9
- -1 aromatic nitrile Chemical class 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 159000000032 aromatic acids Chemical class 0.000 claims description 5
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 4
- 239000000243 solution Substances 0.000 description 38
- 239000002585 base Substances 0.000 description 17
- 239000003513 alkali Substances 0.000 description 7
- LAQPNDIUHRHNCV-UHFFFAOYSA-N isophthalonitrile Chemical compound N#CC1=CC=CC(C#N)=C1 LAQPNDIUHRHNCV-UHFFFAOYSA-N 0.000 description 6
- IVSZLXZYQVIEFR-UHFFFAOYSA-N m-xylene Chemical group CC1=CC=CC(C)=C1 IVSZLXZYQVIEFR-UHFFFAOYSA-N 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 4
- 150000003868 ammonium compounds Chemical class 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 150000002894 organic compounds Chemical class 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 235000005985 organic acids Nutrition 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- GVTLFGJNTIRUEG-ZHACJKMWSA-N (e)-n-(3-methoxyphenyl)-3-phenylprop-2-enamide Chemical compound COC1=CC=CC(NC(=O)\C=C\C=2C=CC=CC=2)=C1 GVTLFGJNTIRUEG-ZHACJKMWSA-N 0.000 description 1
- STQPCKPKAIRSEL-UHFFFAOYSA-N 2-cyanobenzamide Chemical compound NC(=O)C1=CC=CC=C1C#N STQPCKPKAIRSEL-UHFFFAOYSA-N 0.000 description 1
- XXUNIGZDNWWYED-UHFFFAOYSA-N 2-methylbenzamide Chemical compound CC1=CC=CC=C1C(N)=O XXUNIGZDNWWYED-UHFFFAOYSA-N 0.000 description 1
- BOHCMQZJWOGWTA-UHFFFAOYSA-N 3-methylbenzonitrile Chemical compound CC1=CC=CC(C#N)=C1 BOHCMQZJWOGWTA-UHFFFAOYSA-N 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- RZIPWYABDOJGIZ-UHFFFAOYSA-N C(C1=CC(C(=O)N)=CC=C1)(=O)[O-].[NH4+] Chemical compound C(C1=CC(C(=O)N)=CC=C1)(=O)[O-].[NH4+] RZIPWYABDOJGIZ-UHFFFAOYSA-N 0.000 description 1
- 241000220317 Rosa Species 0.000 description 1
- 241000237983 Trochidae Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 238000005915 ammonolysis reaction Methods 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- IPRCVFMLNWMMLD-UHFFFAOYSA-N azane;benzene-1,3-dicarboxylic acid Chemical compound [NH4+].[NH4+].[O-]C(=O)C1=CC=CC(C([O-])=O)=C1 IPRCVFMLNWMMLD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 239000005446 dissolved organic matter Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/10—Separation of ammonia from ammonia liquors, e.g. gas liquors
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physical Water Treatments (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/256,945 US4342735A (en) | 1981-04-23 | 1981-04-23 | Stripping of aqueous ammonium carbonate solution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH649271A5 true CH649271A5 (de) | 1985-05-15 |
Family
ID=22974247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH2448/82A CH649271A5 (de) | 1981-04-23 | 1982-04-22 | Verfahren zur rueckgewinnung von ammoniak aus einer waesserigen ammoniumcarbonat-loesung. |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4342735A (enExample) |
| JP (1) | JPS57188410A (enExample) |
| BE (1) | BE892931A (enExample) |
| CA (1) | CA1165094A (enExample) |
| CH (1) | CH649271A5 (enExample) |
| DE (1) | DE3214429A1 (enExample) |
| FR (1) | FR2504402A1 (enExample) |
| GB (1) | GB2097372B (enExample) |
| NL (1) | NL8201581A (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4801356A (en) * | 1987-10-15 | 1989-01-31 | International Fuel Cells Corporation | Removal of ammonia from fuel cell power plant water system |
| US5378442A (en) * | 1992-01-17 | 1995-01-03 | The Kansai Electric Power Co., Inc. | Method for treating combustion exhaust gas |
| US5387322A (en) * | 1993-05-14 | 1995-02-07 | The M. W. Kellogg Company | Fusel oil stripping |
| DE19647527C1 (de) * | 1996-11-16 | 1998-03-12 | Degussa | Verfahren zur Herstellung von Cyanoverbindungen durch Ammonoxidation |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE426863C (de) * | 1924-08-27 | 1926-03-20 | Bamag Meguin Akt Ges | Kolonnenapparat zum Abtreiben von Ammoniak aus Gaswasser |
| US1595602A (en) * | 1924-12-16 | 1926-08-10 | Rainey Wood Process Corp | Apparatus for treating gas liquor |
| US1962150A (en) * | 1927-06-11 | 1934-06-12 | Solvay Process Co | Process and apparatus for dry lime treatment of liquors |
| GB1072293A (en) * | 1963-09-27 | 1967-06-14 | Nippon Catalytic Chem Ind | Method of recovering ammonia gas from an aqueous solution containing ammonia and carbon dioxide |
| FR2290397A1 (fr) * | 1974-11-09 | 1976-06-04 | Solvay | Procede de recuperation de l'ammoniac dans les soudieres a l'ammoniaque |
| US4148865A (en) * | 1978-01-06 | 1979-04-10 | The Lummus Company | Treatment of cyanide byproduct in nitrile production |
| NL7803765A (nl) * | 1978-04-10 | 1979-10-12 | Hoogovens Ijmuiden Bv | Werkwijze voor het verwijderen van ammoniak en ammo- niumzouten uit industrieel afvalwater. |
| US4246417A (en) * | 1978-05-15 | 1981-01-20 | The Lummus Company | Treatment of waste water from nitrile production |
-
1981
- 1981-04-23 US US06/256,945 patent/US4342735A/en not_active Expired - Fee Related
-
1982
- 1982-04-15 NL NL8201581A patent/NL8201581A/nl not_active Application Discontinuation
- 1982-04-20 GB GB8211360A patent/GB2097372B/en not_active Expired
- 1982-04-20 DE DE19823214429 patent/DE3214429A1/de not_active Withdrawn
- 1982-04-20 JP JP57066193A patent/JPS57188410A/ja active Granted
- 1982-04-21 FR FR8206869A patent/FR2504402A1/fr active Granted
- 1982-04-22 CH CH2448/82A patent/CH649271A5/de not_active IP Right Cessation
- 1982-04-22 BE BE0/207895A patent/BE892931A/fr not_active IP Right Cessation
- 1982-04-22 CA CA000401490A patent/CA1165094A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2504402A1 (fr) | 1982-10-29 |
| CA1165094A (en) | 1984-04-10 |
| US4342735A (en) | 1982-08-03 |
| NL8201581A (nl) | 1982-11-16 |
| JPS6143283B2 (enExample) | 1986-09-26 |
| FR2504402B1 (enExample) | 1984-08-10 |
| GB2097372A (en) | 1982-11-03 |
| GB2097372B (en) | 1984-12-05 |
| JPS57188410A (en) | 1982-11-19 |
| BE892931A (fr) | 1982-10-22 |
| DE3214429A1 (de) | 1982-12-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |