NO117480B - - Google Patents
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- Publication number
- NO117480B NO117480B NO162050A NO16205066A NO117480B NO 117480 B NO117480 B NO 117480B NO 162050 A NO162050 A NO 162050A NO 16205066 A NO16205066 A NO 16205066A NO 117480 B NO117480 B NO 117480B
- Authority
- NO
- Norway
- Prior art keywords
- pressure
- gas
- urea
- reactor
- synthesis
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 69
- 239000004202 carbamide Substances 0.000 claims description 69
- 238000000034 method Methods 0.000 claims description 45
- 230000015572 biosynthetic process Effects 0.000 claims description 40
- 238000003786 synthesis reaction Methods 0.000 claims description 39
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims description 25
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 15
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 claims description 14
- 239000011541 reaction mixture Substances 0.000 claims description 13
- 239000007789 gas Substances 0.000 description 78
- 229910002092 carbon dioxide Inorganic materials 0.000 description 45
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 28
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 26
- 229910021529 ammonia Inorganic materials 0.000 description 12
- 239000001569 carbon dioxide Substances 0.000 description 10
- 238000005878 carbamate elimination reaction Methods 0.000 description 9
- 239000011261 inert gas Substances 0.000 description 8
- 239000000376 reactant Substances 0.000 description 8
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 238000003776 cleavage reaction Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000007017 scission Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- NPPQSCRMBWNHMW-UHFFFAOYSA-N Meprobamate Chemical compound NC(=O)OCC(C)(CCC)COC(N)=O NPPQSCRMBWNHMW-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- WTHDKMILWLGDKL-UHFFFAOYSA-N urea;hydrate Chemical compound O.NC(N)=O WTHDKMILWLGDKL-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/08—Biaxial stretching during blow-moulding
- B29C49/10—Biaxial stretching during blow-moulding using mechanical means for prestretching
- B29C49/14—Clamps
-
- 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
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (21)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE581293D BE581293A (xx) | 1958-08-08 | ||
| NL102507D NL102507C (xx) | 1958-08-08 | ||
| NL230353D NL230353A (xx) | 1958-08-08 | ||
| LU37505D LU37505A1 (xx) | 1958-08-08 | ||
| GB26067/59A GB853220A (en) | 1958-08-08 | 1959-07-29 | Process and apparatus for the preparation of urea from ammonia and carbon dioxide |
| US830600A US3120563A (en) | 1958-08-08 | 1959-07-30 | Urea preparation |
| DEST15421A DE1157212B (de) | 1958-08-08 | 1959-08-03 | Verfahren und Vorrichtung zur Harnstoffherstellung |
| CH7650859A CH374983A (de) | 1958-08-08 | 1959-08-03 | Verfahren und Vorrichtung zur Herstellung von Harnstoff |
| FR802245A FR1234419A (fr) | 1958-08-08 | 1959-08-06 | Préparation d'urée |
| NO162050A NO117480B (xx) | 1958-08-08 | 1966-03-10 | |
| GB8774/67A GB1129787A (en) | 1958-08-08 | 1967-02-23 | Process for the production of urea |
| BE694791D BE694791A (xx) | 1958-08-08 | 1967-02-28 | |
| SE02864/67A SE358881B (xx) | 1958-08-08 | 1967-03-02 | |
| ES337636A ES337636A1 (es) | 1958-08-08 | 1967-03-06 | Un procedimiento para la produccion de urea a partir de a- moniaco y dioxido de carbono. |
| PL11936067A PL79094B1 (xx) | 1966-03-10 | 1967-03-07 | |
| DE1618730A DE1618730C3 (de) | 1958-08-08 | 1967-03-07 | Verfahren zur Herstellung von Harnstoff |
| DK122467AA DK114197B (da) | 1958-08-08 | 1967-03-09 | Fremgangsmåde ved fremstilling af urinstof. |
| FI670706A FI48726C (fi) | 1958-08-08 | 1967-03-09 | Menetelmä karbamidin valmistamiseksi. |
| JP1449267A JPS5313614B1 (xx) | 1958-08-08 | 1967-03-09 | |
| FR98141A FR1513872A (fr) | 1958-08-08 | 1967-03-09 | Procédé de production d'urée à partir de l'ammoniac et de l'anhydride carbonique |
| NLAANVRAGE6703731,A NL168505C (nl) | 1958-08-08 | 1967-03-10 | Ureumsynthese. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL230353 | 1958-08-08 | ||
| NO162050A NO117480B (xx) | 1958-08-08 | 1966-03-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO117480B true NO117480B (xx) | 1969-08-18 |
Family
ID=26641659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO162050A NO117480B (xx) | 1958-08-08 | 1966-03-10 |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US3120563A (xx) |
| JP (1) | JPS5313614B1 (xx) |
| BE (2) | BE694791A (xx) |
| CH (1) | CH374983A (xx) |
| DE (2) | DE1157212B (xx) |
| DK (1) | DK114197B (xx) |
| ES (1) | ES337636A1 (xx) |
| FI (1) | FI48726C (xx) |
| FR (2) | FR1234419A (xx) |
| GB (2) | GB853220A (xx) |
| LU (1) | LU37505A1 (xx) |
| NL (3) | NL168505C (xx) |
| NO (1) | NO117480B (xx) |
| SE (1) | SE358881B (xx) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL250349A (xx) * | 1960-04-08 | |||
| US3284537A (en) * | 1965-01-14 | 1966-11-08 | Stratford Eng Corp | Method of charging reactants through concentric feed tubes |
| US4137262A (en) * | 1969-10-16 | 1979-01-30 | Snam Progetti S.P.A. | Process for the production of urea |
| NL172539C (nl) * | 1972-06-12 | 1983-09-16 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| NL172058C (nl) * | 1972-06-12 | 1983-07-01 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| IT1068268B (it) * | 1976-09-09 | 1985-03-21 | Snam Progetti | Procedimento per la produzione di urea e purificazione delle acque |
| IT1065422B (it) * | 1976-12-23 | 1985-02-25 | Snam Progetti | Processo ammoniaca-urea integrato per la produzione di urea |
| JPS54151917A (en) * | 1978-05-20 | 1979-11-29 | Mitsui Toatsu Chem Inc | Elimination of explosiveness of tail gas of urea preparation process |
| US4235816A (en) * | 1979-03-08 | 1980-11-25 | Snamprogetti S.P.A. | Integrated ammonia-urea process |
| NL8104040A (nl) * | 1981-09-01 | 1983-04-05 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| US4433146A (en) * | 1982-04-07 | 1984-02-21 | Stamicarbon B.V. | Process for the preparation of melamine |
| CA2454168A1 (en) * | 2001-07-24 | 2003-02-06 | Dsm Ip Assets B.V. | Method for obtaining an ammonium carbamate solution from a gas mixture containing nh3, h2o and co2 |
| EP1918273A1 (en) * | 2006-11-04 | 2008-05-07 | Urea Casale S.A. | Process for urea production and related plant |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1784074A (en) * | 1926-10-15 | 1930-12-09 | Pauling Harry | Apparatus for the production of ammonia-air mixtures |
| US2267133A (en) * | 1939-02-20 | 1941-12-23 | Solvay Process Co | Process for treating urea synthesis effluents |
| US2632711A (en) * | 1948-09-03 | 1953-03-24 | Trief Victor | Method for producing iron cement in powder form |
| NL83307C (xx) * | 1952-03-11 | |||
| US2807574A (en) * | 1953-10-21 | 1957-09-24 | Hirano Masao | Treatment of unreacted ammonia in the manufacture of urea |
| US2850360A (en) * | 1956-05-23 | 1958-09-02 | Phillips Petroleum Co | Apparatus for production of products by exothermic-endothermic heat exchange |
-
0
- NL NL102507D patent/NL102507C/xx active
- NL NL230353D patent/NL230353A/xx unknown
- LU LU37505D patent/LU37505A1/xx unknown
- BE BE581293D patent/BE581293A/xx unknown
-
1959
- 1959-07-29 GB GB26067/59A patent/GB853220A/en not_active Expired
- 1959-07-30 US US830600A patent/US3120563A/en not_active Expired - Lifetime
- 1959-08-03 DE DEST15421A patent/DE1157212B/de active Pending
- 1959-08-03 CH CH7650859A patent/CH374983A/de unknown
- 1959-08-06 FR FR802245A patent/FR1234419A/fr not_active Expired
-
1966
- 1966-03-10 NO NO162050A patent/NO117480B/no unknown
-
1967
- 1967-02-23 GB GB8774/67A patent/GB1129787A/en not_active Expired
- 1967-02-28 BE BE694791D patent/BE694791A/xx unknown
- 1967-03-02 SE SE02864/67A patent/SE358881B/xx unknown
- 1967-03-06 ES ES337636A patent/ES337636A1/es not_active Expired
- 1967-03-07 DE DE1618730A patent/DE1618730C3/de not_active Expired
- 1967-03-09 DK DK122467AA patent/DK114197B/da unknown
- 1967-03-09 FI FI670706A patent/FI48726C/fi active
- 1967-03-09 JP JP1449267A patent/JPS5313614B1/ja active Pending
- 1967-03-09 FR FR98141A patent/FR1513872A/fr not_active Expired
- 1967-03-10 NL NLAANVRAGE6703731,A patent/NL168505C/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FI48726B (xx) | 1974-09-02 |
| BE694791A (xx) | 1967-07-31 |
| GB853220A (en) | 1960-11-02 |
| JPS5313614B1 (xx) | 1978-05-11 |
| FR1234419A (fr) | 1960-10-17 |
| CH374983A (de) | 1964-02-15 |
| DE1157212B (de) | 1963-11-14 |
| BE581293A (xx) | 1900-01-01 |
| DE1618730A1 (de) | 1971-02-25 |
| FI48726C (fi) | 1974-12-10 |
| LU37505A1 (xx) | |
| NL230353A (xx) | 1900-01-01 |
| NL168505C (nl) | 1982-04-16 |
| NL168505B (nl) | 1981-11-16 |
| ES337636A1 (es) | 1968-03-01 |
| DK114197B (da) | 1969-06-09 |
| US3120563A (en) | 1964-02-04 |
| DE1618730B2 (de) | 1974-06-27 |
| FR1513872A (fr) | 1968-02-16 |
| SE358881B (xx) | 1973-08-13 |
| NL102507C (xx) | 1900-01-01 |
| NL6703731A (xx) | 1967-09-11 |
| GB1129787A (en) | 1968-10-09 |
| DE1618730C3 (de) | 1975-02-13 |
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