SE432590B - Forfarande for framstellning av karbamid i forening med ammoniaksyntes - Google Patents
Forfarande for framstellning av karbamid i forening med ammoniaksyntesInfo
- Publication number
- SE432590B SE432590B SE7714701A SE7714701A SE432590B SE 432590 B SE432590 B SE 432590B SE 7714701 A SE7714701 A SE 7714701A SE 7714701 A SE7714701 A SE 7714701A SE 432590 B SE432590 B SE 432590B
- Authority
- SE
- Sweden
- Prior art keywords
- urea
- ammonia
- solution
- carbamate
- synthesis
- Prior art date
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims description 130
- 229910021529 ammonia Inorganic materials 0.000 title claims description 55
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims description 53
- 239000004202 carbamide Substances 0.000 title claims description 52
- 230000015572 biosynthetic process Effects 0.000 title claims description 37
- 238000003786 synthesis reaction Methods 0.000 title claims description 34
- 238000000034 method Methods 0.000 title claims description 16
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 235000013877 carbamide Nutrition 0.000 title 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 42
- 239000000243 solution Substances 0.000 claims description 36
- 239000007789 gas Substances 0.000 claims description 30
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 claims description 27
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 16
- 238000010521 absorption reaction Methods 0.000 claims description 12
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 8
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 8
- 239000007864 aqueous solution Substances 0.000 claims description 8
- 239000001569 carbon dioxide Substances 0.000 claims description 8
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 claims description 7
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims description 7
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 6
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 6
- 239000001099 ammonium carbonate Substances 0.000 claims description 6
- 235000012501 ammonium carbonate Nutrition 0.000 claims description 6
- 238000000354 decomposition reaction Methods 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 3
- 239000001257 hydrogen Substances 0.000 claims 3
- 229910052739 hydrogen Inorganic materials 0.000 claims 3
- 229910052757 nitrogen Inorganic materials 0.000 claims 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims 1
- 238000007599 discharging Methods 0.000 claims 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims 1
- 239000003380 propellant Substances 0.000 claims 1
- 238000012216 screening Methods 0.000 claims 1
- 239000002904 solvent Substances 0.000 claims 1
- 239000006096 absorbing agent Substances 0.000 description 12
- 229910001868 water Inorganic materials 0.000 description 8
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- PPBAJDRXASKAGH-UHFFFAOYSA-N azane;urea Chemical compound N.NC(N)=O PPBAJDRXASKAGH-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000002407 reforming Methods 0.000 description 2
- 238000000629 steam reforming Methods 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- -1 ammonium carbate Chemical class 0.000 description 1
- 150000004657 carbamic acid derivatives Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- AFCCDDWKHLHPDF-UHFFFAOYSA-M metam-sodium Chemical compound [Na+].CNC([S-])=S AFCCDDWKHLHPDF-UHFFFAOYSA-M 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance 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
- C01C1/04—Preparation of ammonia by synthesis in the gas phase
- C01C1/0405—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst
- C01C1/0488—Processes integrated with preparations of other compounds, e.g. methanol, urea or with processes for power generation
-
- 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
- C07C273/10—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 combined with the synthesis of ammonia
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT30797/76A IT1065422B (it) | 1976-12-23 | 1976-12-23 | Processo ammoniaca-urea integrato per la produzione di urea |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7714701L SE7714701L (sv) | 1978-06-24 |
| SE432590B true SE432590B (sv) | 1984-04-09 |
Family
ID=11232110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7714701A SE432590B (sv) | 1976-12-23 | 1977-12-22 | Forfarande for framstellning av karbamid i forening med ammoniaksyntes |
Country Status (24)
| Country | Link |
|---|---|
| US (1) | US4138434A (en, 2012) |
| JP (1) | JPS5379820A (en, 2012) |
| AR (1) | AR213462A1 (en, 2012) |
| AU (1) | AU511037B2 (en, 2012) |
| BE (1) | BE862286A (en, 2012) |
| BR (1) | BR7708615A (en, 2012) |
| CA (1) | CA1106405A (en, 2012) |
| CH (1) | CH629733A5 (en, 2012) |
| CS (1) | CS202587B2 (en, 2012) |
| DD (1) | DD133942A5 (en, 2012) |
| DE (1) | DE2756059C3 (en, 2012) |
| DK (1) | DK147496C (en, 2012) |
| ES (1) | ES465188A1 (en, 2012) |
| FR (1) | FR2375198A1 (en, 2012) |
| GB (1) | GB1560174A (en, 2012) |
| IE (1) | IE46220B1 (en, 2012) |
| IN (1) | IN145909B (en, 2012) |
| IT (1) | IT1065422B (en, 2012) |
| LU (1) | LU78737A1 (en, 2012) |
| MX (1) | MX150013A (en, 2012) |
| NL (1) | NL7714285A (en, 2012) |
| PL (1) | PL110233B1 (en, 2012) |
| SE (1) | SE432590B (en, 2012) |
| SU (1) | SU1152516A3 (en, 2012) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1094295B (it) * | 1978-04-05 | 1985-07-26 | Snam Progetti | Procedimento integrato ammoniaca-urea |
| US4235816A (en) * | 1979-03-08 | 1980-11-25 | Snamprogetti S.P.A. | Integrated ammonia-urea process |
| NL7903623A (nl) * | 1979-05-09 | 1980-11-11 | Stamicarbon | Werkwijze voor het zuiveren van ureumhoudend afvalwater en werkwijze voor het bereiden van melamine. |
| NL8102391A (nl) * | 1981-05-15 | 1982-12-01 | Unie Van Kunstmestfab Bv | Werkwijze voor het winnen van waardevolle bestanddelen uit de afvalstromen verkregen bij de ureumbereiding. |
| JPS61109760A (ja) * | 1984-11-02 | 1986-05-28 | Toyo Eng Corp | 尿素製造法 |
| NL8502228A (nl) * | 1985-08-12 | 1987-03-02 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| NL8502227A (nl) * | 1985-08-12 | 1987-03-02 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| JPS62220806A (ja) * | 1986-03-24 | 1987-09-29 | Fuji Electric Co Ltd | 平面度測定装置 |
| US4869887A (en) * | 1987-10-30 | 1989-09-26 | Dijk Christiaan P Van | Integrated ammonia-urea process |
| US4988491A (en) * | 1989-04-11 | 1991-01-29 | Christiaan Van Dijk | Flexible integration of the production of ammonia and urea |
| US5779861A (en) * | 1993-09-03 | 1998-07-14 | Farmland Industries, Inc. | Method for treating process condensate |
| US5643420A (en) * | 1993-09-03 | 1997-07-01 | Farmland Industries, Inc. | Method for treating process condensate |
| US5385646A (en) * | 1993-09-03 | 1995-01-31 | Farmland Industries, Inc. | Method of treating chemical process effluent |
| EP0905127B1 (en) | 1997-09-20 | 2001-11-28 | Urea Casale S.A. | Process for combined production of ammonia and urea |
| EP1041038B1 (en) * | 1999-03-31 | 2003-06-04 | Urea Casale S.A. | Method for the simultaneous modernization of a plant for ammonia production and a plant for urea production |
| EP2617708B1 (en) * | 2012-01-17 | 2017-08-16 | General Electric Technology GmbH | A method of forming urea by integration of an ammonia production process in a urea production process and a system therefor |
| EP2690089A1 (en) | 2012-07-25 | 2014-01-29 | Urea Casale SA | Use of urea synthesis purge gas in an integrated ammonia-urea process and related plant. |
| US9428449B2 (en) | 2013-01-16 | 2016-08-30 | Alstom Technology Ltd | Method of forming urea by integration of an ammonia production process in a urea production process and a system therefor |
| DE102016203277A1 (de) | 2016-02-29 | 2017-08-31 | Thyssenkrupp Ag | Integrierte Synthese von Ammoniak und Harnstoff |
| DE102016122374A1 (de) | 2016-11-21 | 2018-05-24 | Thyssenkrupp Ag | Vollintegrierter Ammoniak-Harnstoff-Komplex |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE581293A (en, 2012) * | 1958-08-08 | 1900-01-01 | ||
| BE564100A (en, 2012) * | 1962-04-10 | 1900-01-01 | ||
| US3954861A (en) * | 1968-02-05 | 1976-05-04 | Snamprogetti S.P.A | Process for producing urea |
| NL156686B (nl) * | 1968-03-16 | 1978-05-16 | Stamicarbon | Werkwijze voor de bereiding van ureum in combinatie met de synthese van ammoniak. |
| US3876696A (en) * | 1968-09-03 | 1975-04-08 | Snam Progetti | Process for the production of urea having a low carbamate content |
| US3607939A (en) * | 1968-12-23 | 1971-09-21 | Stamicarbon | Preparation of urea in combination with the synthesis of ammonia |
| US3711544A (en) * | 1970-04-20 | 1973-01-16 | Lummus Co | Heat recovery in urea synthesis |
| NL172058C (nl) * | 1972-06-12 | 1983-07-01 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| IT1014987B (it) * | 1974-06-12 | 1977-04-30 | Snam Progetti | Procedimento integrato urea am moniaca |
-
1976
- 1976-12-23 IT IT30797/76A patent/IT1065422B/it active
-
1977
- 1977-11-24 AU AU30922/77A patent/AU511037B2/en not_active Expired
- 1977-12-01 GB GB50186/77A patent/GB1560174A/en not_active Expired
- 1977-12-02 US US05/857,185 patent/US4138434A/en not_active Expired - Lifetime
- 1977-12-03 IN IN1683/CAL/77A patent/IN145909B/en unknown
- 1977-12-05 CA CA292,378A patent/CA1106405A/en not_active Expired
- 1977-12-06 ES ES465188A patent/ES465188A1/es not_active Expired
- 1977-12-14 MX MX171707A patent/MX150013A/es unknown
- 1977-12-14 CH CH1538277A patent/CH629733A5/it not_active IP Right Cessation
- 1977-12-15 DE DE2756059A patent/DE2756059C3/de not_active Expired
- 1977-12-16 AR AR270403A patent/AR213462A1/es active
- 1977-12-16 IE IE2565/77A patent/IE46220B1/en unknown
- 1977-12-20 CS CS778595A patent/CS202587B2/cs unknown
- 1977-12-21 DD DD77202854A patent/DD133942A5/xx unknown
- 1977-12-21 LU LU78737A patent/LU78737A1/xx unknown
- 1977-12-21 DK DK572077A patent/DK147496C/da not_active IP Right Cessation
- 1977-12-22 PL PL1977203246A patent/PL110233B1/pl unknown
- 1977-12-22 SE SE7714701A patent/SE432590B/sv not_active IP Right Cessation
- 1977-12-22 SU SU772556952A patent/SU1152516A3/ru active
- 1977-12-22 NL NL7714285A patent/NL7714285A/xx unknown
- 1977-12-22 FR FR7738884A patent/FR2375198A1/fr active Granted
- 1977-12-22 BR BR7708615A patent/BR7708615A/pt unknown
- 1977-12-23 BE BE183814A patent/BE862286A/xx not_active IP Right Cessation
- 1977-12-23 JP JP15460577A patent/JPS5379820A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| PL203246A1 (pl) | 1978-12-04 |
| DD133942A5 (de) | 1979-01-31 |
| US4138434A (en) | 1979-02-06 |
| NL7714285A (nl) | 1978-06-27 |
| AU3092277A (en) | 1979-05-31 |
| CH629733A5 (it) | 1982-05-14 |
| FR2375198B1 (en, 2012) | 1980-06-06 |
| LU78737A1 (en, 2012) | 1978-04-17 |
| IN145909B (en, 2012) | 1979-01-20 |
| AU511037B2 (en) | 1980-07-24 |
| DK572077A (da) | 1978-06-24 |
| FR2375198A1 (fr) | 1978-07-21 |
| DE2756059B2 (de) | 1979-08-23 |
| IE46220B1 (en) | 1983-04-06 |
| MX150013A (es) | 1984-03-02 |
| IE46220L (en) | 1978-06-23 |
| GB1560174A (en) | 1980-01-30 |
| SU1152516A3 (en) | 1985-04-23 |
| DK147496B (da) | 1984-09-03 |
| IT1065422B (it) | 1985-02-25 |
| DE2756059A1 (de) | 1978-06-29 |
| CA1106405A (en) | 1981-08-04 |
| CS202587B2 (en) | 1981-01-30 |
| ES465188A1 (es) | 1978-10-01 |
| BE862286A (fr) | 1978-06-23 |
| AR213462A1 (es) | 1979-01-31 |
| BR7708615A (pt) | 1978-08-22 |
| JPS6134407B2 (en, 2012) | 1986-08-07 |
| SE7714701L (sv) | 1978-06-24 |
| JPS5379820A (en) | 1978-07-14 |
| PL110233B1 (en) | 1980-07-31 |
| DK147496C (da) | 1985-03-04 |
| DE2756059C3 (de) | 1980-04-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SE432590B (sv) | Forfarande for framstellning av karbamid i forening med ammoniaksyntes | |
| EA036546B1 (ru) | Способ получения диоксида углерода для синтеза мочевины | |
| US4320103A (en) | Flexible integrated method for the production of ammonia and urea | |
| US3310376A (en) | Process for combined production of ammonia and urea | |
| US3155722A (en) | Recovery of residual ammonia and carbon dioxide in the synthesis of urea | |
| IE41544B1 (en) | Process for producing urea | |
| US11236043B2 (en) | Ammonia-urea integrated process and plant | |
| US3674847A (en) | Process for urea production in combination with ammonia synthesis | |
| US3120563A (en) | Urea preparation | |
| US4235816A (en) | Integrated ammonia-urea process | |
| SU869551A3 (ru) | Способ выделени аммиака и углекислоты из их смеси | |
| US3112177A (en) | Method of separating ammonia from hydrogen cyanide | |
| CN110041230B (zh) | 回收三聚氰胺装置尾气的汽提法尿素生产工艺 | |
| US2046827A (en) | Production of urea and nitrogen oxides | |
| US2808125A (en) | Process for the separation of carbon dioxide and ammonia | |
| US1730208A (en) | Process for production of urea | |
| US4053508A (en) | Process and installation for preparing urea from ammonia and carbon dioxide | |
| DK145081B (da) | Fremgangsmaade til fremstilling af urinstof ud fra ammoniak og carbondioxid | |
| CN111995592A (zh) | 一种尿素与三聚氰胺联产的方法和装置 | |
| KR830002201B1 (ko) | 요소의 제조방법 | |
| CA1110659A (en) | Integrated ammonia-urea process | |
| SU1054343A1 (ru) | Способ получени мочевины | |
| SU798031A1 (ru) | Способ получени аммиака и метанола | |
| GB2060614A (en) | Improved Process for the Production of Urea by Reducing the Tendency of a Discharge Gas to Explode | |
| ITMI941738A1 (it) | Procedimento per la sintesi di urea da ammoniaca e anidride carbonica |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
Ref document number: 7714701-5 Effective date: 19880927 Format of ref document f/p: F |