DE2756059C3 - Verfahren zur Herstellung von Harnstoff im Verbund mit der Synthese von Ammoniak - Google Patents
Verfahren zur Herstellung von Harnstoff im Verbund mit der Synthese von AmmoniakInfo
- Publication number
- DE2756059C3 DE2756059C3 DE2756059A DE2756059A DE2756059C3 DE 2756059 C3 DE2756059 C3 DE 2756059C3 DE 2756059 A DE2756059 A DE 2756059A DE 2756059 A DE2756059 A DE 2756059A DE 2756059 C3 DE2756059 C3 DE 2756059C3
- Authority
- DE
- Germany
- Prior art keywords
- ammonia
- urea
- solution
- carbamate
- synthesis
- 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
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims description 142
- 229910021529 ammonia Inorganic materials 0.000 title claims description 64
- 239000004202 carbamide Substances 0.000 title claims description 45
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims description 44
- 230000015572 biosynthetic process Effects 0.000 title claims description 39
- 238000003786 synthesis reaction Methods 0.000 title claims description 36
- 238000000034 method Methods 0.000 title claims description 21
- 230000008569 process Effects 0.000 title claims description 11
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 239000007789 gas Substances 0.000 claims description 38
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 claims description 14
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims description 14
- 238000000354 decomposition reaction Methods 0.000 claims description 8
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 5
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 5
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 4
- 229910000069 nitrogen hydride Inorganic materials 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 2
- 239000000243 solution Substances 0.000 description 43
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 description 35
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 24
- 239000000203 mixture Substances 0.000 description 19
- 239000006096 absorbing agent Substances 0.000 description 12
- 229910002092 carbon dioxide Inorganic materials 0.000 description 12
- 238000010521 absorption reaction Methods 0.000 description 7
- 239000001569 carbon dioxide Substances 0.000 description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 4
- 239000001099 ammonium carbonate Substances 0.000 description 4
- 235000012501 ammonium carbonate Nutrition 0.000 description 4
- 229910001868 water Inorganic materials 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical group 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- PPBAJDRXASKAGH-UHFFFAOYSA-N azane;urea Chemical compound N.NC(N)=O PPBAJDRXASKAGH-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 150000004657 carbamic acid derivatives Chemical class 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000002354 daily effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002211 methanization Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 230000002485 urinary effect Effects 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 (3)
| Publication Number | Publication Date |
|---|---|
| DE2756059A1 DE2756059A1 (de) | 1978-06-29 |
| DE2756059B2 DE2756059B2 (de) | 1979-08-23 |
| DE2756059C3 true DE2756059C3 (de) | 1980-04-30 |
Family
ID=11232110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2756059A Expired DE2756059C3 (de) | 1976-12-23 | 1977-12-15 | Verfahren zur Herstellung von Harnstoff im Verbund mit der Synthese von Ammoniak |
Country Status (24)
| Country | Link |
|---|---|
| US (1) | US4138434A (OSRAM) |
| JP (1) | JPS5379820A (OSRAM) |
| AR (1) | AR213462A1 (OSRAM) |
| AU (1) | AU511037B2 (OSRAM) |
| BE (1) | BE862286A (OSRAM) |
| BR (1) | BR7708615A (OSRAM) |
| CA (1) | CA1106405A (OSRAM) |
| CH (1) | CH629733A5 (OSRAM) |
| CS (1) | CS202587B2 (OSRAM) |
| DD (1) | DD133942A5 (OSRAM) |
| DE (1) | DE2756059C3 (OSRAM) |
| DK (1) | DK147496C (OSRAM) |
| ES (1) | ES465188A1 (OSRAM) |
| FR (1) | FR2375198A1 (OSRAM) |
| GB (1) | GB1560174A (OSRAM) |
| IE (1) | IE46220B1 (OSRAM) |
| IN (1) | IN145909B (OSRAM) |
| IT (1) | IT1065422B (OSRAM) |
| LU (1) | LU78737A1 (OSRAM) |
| MX (1) | MX150013A (OSRAM) |
| NL (1) | NL7714285A (OSRAM) |
| PL (1) | PL110233B1 (OSRAM) |
| SE (1) | SE432590B (OSRAM) |
| SU (1) | SU1152516A3 (OSRAM) |
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 |
| NL8502227A (nl) * | 1985-08-12 | 1987-03-02 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| NL8502228A (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 |
| 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 |
| US5779861A (en) * | 1993-09-03 | 1998-07-14 | Farmland Industries, Inc. | Method for treating process condensate |
| DE69708627T2 (de) | 1997-09-20 | 2002-08-08 | Urea Casale S.A., Lugano | Verfahren zur kombinierten Erzeugung von Ammoniak und Harnstoff |
| DE69908548T2 (de) * | 1999-03-31 | 2004-04-29 | Urea Casale S.A. | Verfahren zur gleichzeitigen Modernisierung einer Ammoniakherstellungsanlage und einer Harnstoffherstellungsanlage |
| 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 (OSRAM) * | 1958-08-08 | 1900-01-01 | ||
| BE564100A (OSRAM) * | 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 CH CH1538277A patent/CH629733A5/it not_active IP Right Cessation
- 1977-12-14 MX MX171707A patent/MX150013A/es unknown
- 1977-12-15 DE DE2756059A patent/DE2756059C3/de not_active Expired
- 1977-12-16 IE IE2565/77A patent/IE46220B1/en unknown
- 1977-12-16 AR AR270403A patent/AR213462A1/es active
- 1977-12-20 CS CS778595A patent/CS202587B2/cs unknown
- 1977-12-21 DK DK572077A patent/DK147496C/da not_active IP Right Cessation
- 1977-12-21 LU LU78737A patent/LU78737A1/xx unknown
- 1977-12-21 DD DD77202854A patent/DD133942A5/xx unknown
- 1977-12-22 FR FR7738884A patent/FR2375198A1/fr active Granted
- 1977-12-22 NL NL7714285A patent/NL7714285A/xx unknown
- 1977-12-22 SU SU772556952A patent/SU1152516A3/ru active
- 1977-12-22 SE SE7714701A patent/SE432590B/sv not_active IP Right Cessation
- 1977-12-22 PL PL1977203246A patent/PL110233B1/pl unknown
- 1977-12-22 BR BR7708615A patent/BR7708615A/pt unknown
- 1977-12-23 JP JP15460577A patent/JPS5379820A/ja active Granted
- 1977-12-23 BE BE183814A patent/BE862286A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| SU1152516A3 (en) | 1985-04-23 |
| DE2756059A1 (de) | 1978-06-29 |
| NL7714285A (nl) | 1978-06-27 |
| CS202587B2 (en) | 1981-01-30 |
| AR213462A1 (es) | 1979-01-31 |
| ES465188A1 (es) | 1978-10-01 |
| CH629733A5 (it) | 1982-05-14 |
| AU3092277A (en) | 1979-05-31 |
| BR7708615A (pt) | 1978-08-22 |
| AU511037B2 (en) | 1980-07-24 |
| PL110233B1 (en) | 1980-07-31 |
| DK147496B (da) | 1984-09-03 |
| JPS6134407B2 (OSRAM) | 1986-08-07 |
| FR2375198A1 (fr) | 1978-07-21 |
| DE2756059B2 (de) | 1979-08-23 |
| PL203246A1 (pl) | 1978-12-04 |
| SE7714701L (sv) | 1978-06-24 |
| CA1106405A (en) | 1981-08-04 |
| DK572077A (da) | 1978-06-24 |
| FR2375198B1 (OSRAM) | 1980-06-06 |
| BE862286A (fr) | 1978-06-23 |
| IN145909B (OSRAM) | 1979-01-20 |
| IT1065422B (it) | 1985-02-25 |
| DD133942A5 (de) | 1979-01-31 |
| GB1560174A (en) | 1980-01-30 |
| LU78737A1 (OSRAM) | 1978-04-17 |
| SE432590B (sv) | 1984-04-09 |
| JPS5379820A (en) | 1978-07-14 |
| MX150013A (es) | 1984-03-02 |
| US4138434A (en) | 1979-02-06 |
| IE46220B1 (en) | 1983-04-06 |
| IE46220L (en) | 1978-06-23 |
| DK147496C (da) | 1985-03-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OAP | Request for examination filed | ||
| OD | Request for examination | ||
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |