NO135633B - - Google Patents
Download PDFInfo
- Publication number
- NO135633B NO135633B NO2033/71A NO203371A NO135633B NO 135633 B NO135633 B NO 135633B NO 2033/71 A NO2033/71 A NO 2033/71A NO 203371 A NO203371 A NO 203371A NO 135633 B NO135633 B NO 135633B
- Authority
- NO
- Norway
- Prior art keywords
- gas
- carbon dioxide
- ammonia
- space
- urea
- Prior art date
Links
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 98
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 76
- 239000007789 gas Substances 0.000 claims description 73
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 50
- 239000001569 carbon dioxide Substances 0.000 claims description 49
- 229910021529 ammonia Inorganic materials 0.000 claims description 38
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 33
- 239000004202 carbamide Substances 0.000 claims description 33
- 239000000203 mixture Substances 0.000 claims description 32
- 230000015572 biosynthetic process Effects 0.000 claims description 30
- 238000010521 absorption reaction Methods 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 27
- 238000003786 synthesis reaction Methods 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 239000011261 inert gas Substances 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 4
- 239000002912 waste gas Substances 0.000 claims 2
- 230000000977 initiatory effect Effects 0.000 claims 1
- 235000013877 carbamide Nutrition 0.000 description 33
- 239000000243 solution Substances 0.000 description 27
- 238000005406 washing Methods 0.000 description 20
- 238000006243 chemical reaction Methods 0.000 description 19
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 description 18
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 18
- 238000010790 dilution Methods 0.000 description 9
- 239000012895 dilution Substances 0.000 description 9
- 239000003570 air Substances 0.000 description 6
- 238000004880 explosion Methods 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 239000002360 explosive Substances 0.000 description 5
- 238000011049 filling Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000003776 cleavage reaction Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000007017 scission Effects 0.000 description 3
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000003795 desorption Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 239000001166 ammonium sulphate Substances 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- RHKKPTWYACIZMY-UHFFFAOYSA-N azane;carbon dioxide;hydrate Chemical compound N.O.O=C=O RHKKPTWYACIZMY-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000007084 catalytic combustion reaction Methods 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
- C07C273/04—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds from carbon dioxide and ammonia
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/12—Separation of ammonia from gases and vapours
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7007873.A NL165712C (nl) | 1970-05-30 | 1970-05-30 | Werkwijze en inrichting voor het bij synthesedruk terug- winnen van ammoniak en kooldioxyde uit het spuigas van een ureumsynthese. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO135633B true NO135633B (de) | 1977-01-24 |
| NO135633C NO135633C (de) | 1977-05-04 |
Family
ID=19810202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO2033/71A NO135633C (de) | 1970-05-30 | 1971-05-28 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3691729A (de) |
| JP (1) | JPS5243800B1 (de) |
| BE (1) | BE767867A (de) |
| BR (1) | BR7103291D0 (de) |
| CA (1) | CA949291A (de) |
| DE (1) | DE2126776C3 (de) |
| ES (1) | ES391744A1 (de) |
| FR (1) | FR2093882A5 (de) |
| GB (1) | GB1341100A (de) |
| NL (1) | NL165712C (de) |
| NO (1) | NO135633C (de) |
| ZA (1) | ZA713344B (de) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2317603C3 (de) * | 1973-04-07 | 1982-03-25 | Basf Ag, 6700 Ludwigshafen | Verfahren zur zumindest teilweisen Trennung von Ammoniak und Kohlendioxid enthaltenden Gasgemischen |
| NL7307036A (de) * | 1973-05-21 | 1974-11-25 | ||
| DE2646804C3 (de) * | 1976-10-16 | 1982-03-11 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Gewinnung von reinem Ammoniak aus Ammoniak und Kohlendioxid enthaltenden Gasgemischen |
| JPS5460398U (de) * | 1977-10-05 | 1979-04-26 | ||
| JPS54151900U (de) * | 1978-04-13 | 1979-10-22 | ||
| NL7804668A (nl) * | 1978-04-29 | 1979-10-31 | Stamicarbon | Werkwijze voor het scheiden van nh3 en co2 uit meng- sels van nh3 ,co2 en water. |
| JPS54151917A (en) * | 1978-05-20 | 1979-11-29 | Mitsui Toatsu Chem Inc | Elimination of explosiveness of tail gas of urea preparation process |
| JPS55103171U (de) * | 1979-01-12 | 1980-07-18 | ||
| NL7903623A (nl) * | 1979-05-09 | 1980-11-11 | Stamicarbon | Werkwijze voor het zuiveren van ureumhoudend afvalwater en werkwijze voor het bereiden van melamine. |
| IT1193245B (it) * | 1979-10-17 | 1988-06-15 | Snam Progetti | Procedimento per eliminare l'esplosivita' dei gas di spurgo da impianti per la produzione di urea |
| GB2089786B (en) * | 1980-12-23 | 1985-02-20 | Mitsui Toatsu Chemicals | Process for synthesizing urea |
| US4311856A (en) * | 1980-12-31 | 1982-01-19 | Toyo Engineering Corp. | Process for synthesizing urea |
| DE3100388A1 (de) * | 1981-01-09 | 1982-09-02 | Mitsui Toatsu Chemicals, Inc. | "verfahren zur harnstoffsynthese" |
| NL8101174A (nl) * | 1981-03-11 | 1982-10-01 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| NL8400839A (nl) * | 1984-03-16 | 1985-10-16 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| US5018457A (en) * | 1989-06-16 | 1991-05-28 | Crown Andersen, Inc. | Waste treatment system |
| US6153150A (en) * | 1998-01-12 | 2000-11-28 | Advanced Technology Materials, Inc. | Apparatus and method for controlled decomposition oxidation of gaseous pollutants |
| US6261524B1 (en) | 1999-01-12 | 2001-07-17 | Advanced Technology Materials, Inc. | Advanced apparatus for abatement of gaseous pollutants |
| US6706093B2 (en) * | 2000-05-23 | 2004-03-16 | Rohm And Haas Company | Method and apparatus for preventing iron contamination in corrosive service |
| EP2301917A1 (de) | 2009-09-16 | 2011-03-30 | Stamicarbon B.V. | Entfernen von Harnstoff und Ammoniak aus Abgasen |
| EP2402308A1 (de) * | 2010-06-24 | 2012-01-04 | DSM IP Assets B.V. | Harnstoffanlage |
| CN108137335B (zh) * | 2015-03-25 | 2021-10-26 | 斯塔米卡邦有限公司 | 用于汽车环保尿素和硝酸铵尿素的尿素的一体化生产 |
-
1970
- 1970-05-30 NL NL7007873.A patent/NL165712C/xx not_active IP Right Cessation
-
1971
- 1971-05-24 GB GB1657971A patent/GB1341100A/en not_active Expired
- 1971-05-24 ZA ZA713344A patent/ZA713344B/xx unknown
- 1971-05-26 US US147055A patent/US3691729A/en not_active Expired - Lifetime
- 1971-05-28 CA CA114,200A patent/CA949291A/en not_active Expired
- 1971-05-28 FR FR7119569A patent/FR2093882A5/fr not_active Expired
- 1971-05-28 BE BE767867A patent/BE767867A/xx not_active IP Right Cessation
- 1971-05-28 NO NO2033/71A patent/NO135633C/no unknown
- 1971-05-28 DE DE2126776A patent/DE2126776C3/de not_active Expired
- 1971-05-28 BR BR3291/71A patent/BR7103291D0/pt unknown
- 1971-05-29 JP JP46037409A patent/JPS5243800B1/ja active Pending
- 1971-05-29 ES ES391744A patent/ES391744A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE767867A (fr) | 1971-11-29 |
| FR2093882A5 (de) | 1972-01-28 |
| BR7103291D0 (pt) | 1973-04-19 |
| CA949291A (en) | 1974-06-18 |
| NO135633C (de) | 1977-05-04 |
| GB1341100A (en) | 1973-12-19 |
| DE2126776A1 (de) | 1971-12-16 |
| US3691729A (en) | 1972-09-19 |
| DE2126776C3 (de) | 1974-02-14 |
| ES391744A1 (es) | 1973-06-16 |
| NL165712B (nl) | 1980-12-15 |
| DE2126776B2 (de) | 1973-07-05 |
| NL7007873A (de) | 1971-12-02 |
| NL165712C (nl) | 1981-05-15 |
| JPS5243800B1 (de) | 1977-11-01 |
| ZA713344B (en) | 1972-01-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| NO135633B (de) | ||
| EP2297094B1 (de) | Verfahren zur herstellung von harnstoff aus ammoniak und kohlendioxid | |
| NO124543B (de) | ||
| US4410503A (en) | Process for the removal of urea, ammonia, and carbon dioxide from dilute aqueous solutions | |
| NO153488B (no) | Fremgangsmaate ved rensing av urea- inneholdende avfallsvann | |
| US4321410A (en) | Method of stripping unreacted materials in urea synthesis process | |
| CN109890788B (zh) | 尿素与尿素-硝酸铵的集成工艺 | |
| EP3224223B1 (de) | Verfahren und anlage zur herstellung von ammoniumnitrat-harnstoff-lösung (ahl) | |
| NO752079L (de) | ||
| SU459887A3 (ru) | Способ получени мочевины | |
| US3854901A (en) | Separation of gaseous mixtures of chlorine dioxide and chlorine and recovery of aqueous solution of chlorine dioxide | |
| US3542510A (en) | Production of highly concentrated nitric acid | |
| US3357901A (en) | Ammonia, carbon dioxide recovery from urea synthesis utilizing an ejector | |
| NO874557L (no) | Fremgangsmaate ved fremstilling av urea. | |
| US4115449A (en) | Process for preparing a urea solution from ammonia and carbon dioxide | |
| NO140055B (no) | Fremgangsmaate for fremstilling av urea | |
| US1699177A (en) | Process for obtaining hydrogenation gas for hydrogenating carbon and hydrocarbons from gases containing methane and hydrogen | |
| US4001320A (en) | Method for controlling the ammonia and CO2 ratios in a urea manufacturing process | |
| NO149545B (no) | Fremgangsmaate for fremstilling av en ren vandig loesning av urea fra nh3 og co2 | |
| NO874558L (no) | Fremgangsmaate ved konsentrering av en ureaopploesning, samt anordning for utfoerelse av fremgangsmaaten. | |
| US2168150A (en) | Degasification of alkaline liquids laden with hydrogen sulphide | |
| US3854900A (en) | Separation of mixtures of chlorine dioxide and chlorine | |
| SU77390A1 (ru) | Способ получени мочевины | |
| NO150315B (no) | Fremgangsmaate for kondensering av karbamat i et urea-synteseanlegg | |
| KR100221356B1 (ko) | 멜라민 제조시 폐가스 함유 공정수로부터 암모니아 및 이산화탄 소를 분리 정제하는 공정 |