NO874558L - Fremgangsmaate ved konsentrering av en ureaopploesning, samt anordning for utfoerelse av fremgangsmaaten. - Google Patents
Fremgangsmaate ved konsentrering av en ureaopploesning, samt anordning for utfoerelse av fremgangsmaaten. Download PDFInfo
- Publication number
- NO874558L NO874558L NO874558A NO874558A NO874558L NO 874558 L NO874558 L NO 874558L NO 874558 A NO874558 A NO 874558A NO 874558 A NO874558 A NO 874558A NO 874558 L NO874558 L NO 874558L
- Authority
- NO
- Norway
- Prior art keywords
- gas mixture
- heating area
- bundle
- mixture containing
- openings
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims description 51
- 239000004202 carbamide Substances 0.000 title claims description 51
- 238000000034 method Methods 0.000 title claims description 23
- 239000000203 mixture Substances 0.000 claims description 38
- 238000010438 heat treatment Methods 0.000 claims description 29
- 238000001704 evaporation Methods 0.000 claims description 16
- 229910001868 water Inorganic materials 0.000 claims description 16
- 238000009833 condensation Methods 0.000 claims description 12
- 230000005494 condensation Effects 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 38
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 16
- 230000008020 evaporation Effects 0.000 description 11
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 10
- 229910002092 carbon dioxide Inorganic materials 0.000 description 10
- 238000003786 synthesis reaction Methods 0.000 description 9
- 229910021529 ammonia Inorganic materials 0.000 description 8
- 238000003776 cleavage reaction Methods 0.000 description 8
- 230000007017 scission Effects 0.000 description 8
- 239000012071 phase Substances 0.000 description 6
- 239000001569 carbon dioxide Substances 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- ULUZGMIUTMRARO-UHFFFAOYSA-N (carbamoylamino)urea Chemical compound NC(=O)NNC(N)=O ULUZGMIUTMRARO-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000005406 washing Methods 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
- 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
- C07C273/14—Separation; Purification; Stabilisation; Use of additives
- C07C273/16—Separation; Purification
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/06—Evaporators with vertical tubes
- B01D1/065—Evaporators with vertical tubes by film evaporating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/04—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by preventing the formation of continuous films of condensate on heat-exchange surfaces, e.g. by promoting droplet formation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Fertilizers (AREA)
- Saccharide Compounds (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8602769A NL8602769A (nl) | 1986-11-03 | 1986-11-03 | Werkwijze voor het concentreren van een ureumoplossing en inrichting voor het uitvoeren van de werkwijze. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO874558D0 NO874558D0 (no) | 1987-11-02 |
| NO874558L true NO874558L (no) | 1988-05-04 |
Family
ID=19848768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO874558A NO874558L (no) | 1986-11-03 | 1987-11-02 | Fremgangsmaate ved konsentrering av en ureaopploesning, samt anordning for utfoerelse av fremgangsmaaten. |
Country Status (29)
| Country | Link |
|---|---|
| US (1) | US4866207A (es) |
| EP (1) | EP0266839A1 (es) |
| JP (1) | JPS63126858A (es) |
| KR (1) | KR880006176A (es) |
| CN (1) | CN1022321C (es) |
| AR (1) | AR245383A1 (es) |
| AU (1) | AU604069B2 (es) |
| BG (1) | BG60206B2 (es) |
| BR (1) | BR8705824A (es) |
| CA (1) | CA1333912C (es) |
| DD (1) | DD262806A5 (es) |
| EG (1) | EG18504A (es) |
| FI (1) | FI874808A (es) |
| HU (1) | HUT44949A (es) |
| IL (1) | IL84340A0 (es) |
| IN (1) | IN170336B (es) |
| MA (1) | MA21099A1 (es) |
| MX (1) | MX168831B (es) |
| NL (1) | NL8602769A (es) |
| NO (1) | NO874558L (es) |
| NZ (1) | NZ222369A (es) |
| OA (1) | OA08770A (es) |
| PL (1) | PL268572A1 (es) |
| PT (1) | PT86068A (es) |
| SU (1) | SU1736335A3 (es) |
| TN (1) | TNSN87125A1 (es) |
| TR (1) | TR24027A (es) |
| ZA (1) | ZA878213B (es) |
| ZW (1) | ZW19987A1 (es) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH679485A5 (es) * | 1989-12-29 | 1992-02-28 | Ammonia Casale Sa | |
| DE4034074A1 (de) * | 1990-10-26 | 1992-04-30 | Huels Chemische Werke Ag | Verfahren zur herstellung von alkylglycosiden und alkyloligoglycosiden |
| DE19961040A1 (de) | 1999-12-16 | 2001-06-21 | Basf Ag | Thermoplastische Formmassen mit verbessertem Verarbeitungsverhalten auf Basis von Polyarylenethersulfonen und Polyamiden |
| EP2153880A1 (en) * | 2008-07-31 | 2010-02-17 | Urea Casale S.A. | Process and plant for the production of a urea solution for use in SCR process for reduction of Nox |
| BR112014026866B1 (pt) | 2012-05-03 | 2020-09-24 | Stamicarbon B.V. | Processo e aparelho para a produção de ureia a partir de amônia e dióxido de carbono |
| CN109070043B (zh) | 2016-05-03 | 2019-12-06 | 斯塔米卡邦有限公司 | 在控制缩二脲的情况下的尿素生产 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE908028C (de) * | 1948-11-03 | 1954-04-01 | Hoechst Ag | Verfahren und Saeule fuer Stoffumsatz und Waermeaustauscher |
| US2944966A (en) * | 1954-02-19 | 1960-07-12 | Allen G Eickmeyer | Method for separation of fluid mixtures |
| FR1111540A (fr) * | 1954-07-19 | 1956-03-01 | échangeur thermique permettant l'utilisation pratique de l'énergie de dilution des solutions concentrées | |
| FR1255949A (fr) * | 1959-11-12 | 1961-03-17 | Procédé et dispositifs de distillation par évaporation moléculaire à multiple effet | |
| US3137725A (en) * | 1960-02-11 | 1964-06-16 | Chemical Construction Corp | Heat recovery in urea synthesis process |
| US2998060A (en) * | 1960-08-03 | 1961-08-29 | Albert W Eckstrom | High temperature method and evaporator for concentrating solutions |
| SU144842A1 (ru) * | 1960-10-25 | 1961-11-30 | Б.Г. Мельников | Способ удалени аммиака и углекислого газа из продуктов синтеза мочевины |
| NL6414630A (es) * | 1964-12-16 | 1966-06-17 | ||
| US4341640A (en) * | 1976-09-27 | 1982-07-27 | Standard Oil Company | Urea hydrolysis |
| US4231951A (en) * | 1978-02-08 | 1980-11-04 | Minnesota Mining And Manufacturing Company | Complex salt photoinitiator |
| JPS5573651A (en) * | 1978-11-30 | 1980-06-03 | Toyo Eng Corp | Preparation of urea |
| JPS5826909B2 (ja) * | 1979-09-14 | 1983-06-06 | 東洋エンジニアリング株式会社 | 尿素水溶液の濃縮方法 |
| JPS5750954A (en) * | 1980-09-12 | 1982-03-25 | Mitsui Toatsu Chem Inc | Synthesis of urea |
| IT1163795B (it) * | 1983-07-18 | 1987-04-08 | Montedison Spa | Apparecchio per lo strippaggio dell'ammoniaca dalle soluzioni provenienti dalla sintesi dell'urea |
| NL8303888A (nl) * | 1983-11-13 | 1985-06-03 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| EP0180704B1 (fr) * | 1984-05-19 | 1988-10-12 | Ammonia Casale S.A. | Procédé perfectionné pour la production de l'urée |
| JPH06110547A (ja) * | 1992-09-29 | 1994-04-22 | Toshiba Corp | シーケンス実績データ収集装置 |
-
1986
- 1986-11-03 NL NL8602769A patent/NL8602769A/nl not_active Application Discontinuation
-
1987
- 1987-01-23 US US07/006,185 patent/US4866207A/en not_active Expired - Lifetime
- 1987-10-21 IN IN761/MAS/87A patent/IN170336B/en unknown
- 1987-10-28 MX MX009005A patent/MX168831B/es unknown
- 1987-10-30 BR BR8705824A patent/BR8705824A/pt not_active Application Discontinuation
- 1987-10-30 CA CA000550625A patent/CA1333912C/en not_active Expired - Lifetime
- 1987-10-30 NZ NZ222369A patent/NZ222369A/xx unknown
- 1987-11-01 EG EG625/87D patent/EG18504A/xx active
- 1987-11-02 SU SU874203645A patent/SU1736335A3/ru active
- 1987-11-02 EP EP87202109A patent/EP0266839A1/en not_active Ceased
- 1987-11-02 ZA ZA878213A patent/ZA878213B/xx unknown
- 1987-11-02 NO NO874558A patent/NO874558L/no unknown
- 1987-11-02 FI FI874808A patent/FI874808A/fi not_active Application Discontinuation
- 1987-11-02 IL IL84340A patent/IL84340A0/xx unknown
- 1987-11-02 MA MA21340A patent/MA21099A1/fr unknown
- 1987-11-02 BG BG081639A patent/BG60206B2/bg unknown
- 1987-11-02 JP JP62275873A patent/JPS63126858A/ja active Pending
- 1987-11-02 HU HU874917A patent/HUT44949A/hu unknown
- 1987-11-02 DD DD87308579A patent/DD262806A5/de unknown
- 1987-11-02 AR AR87309184A patent/AR245383A1/es active
- 1987-11-02 AU AU80582/87A patent/AU604069B2/en not_active Ceased
- 1987-11-02 TR TR87/0748A patent/TR24027A/xx unknown
- 1987-11-02 CN CN87107625A patent/CN1022321C/zh not_active Expired - Lifetime
- 1987-11-03 KR KR870012304A patent/KR880006176A/ko not_active Application Discontinuation
- 1987-11-03 PL PL26857287A patent/PL268572A1/xx unknown
- 1987-11-03 TN TNTNSN87125A patent/TNSN87125A1/fr unknown
- 1987-11-03 PT PT86068A patent/PT86068A/pt not_active Application Discontinuation
- 1987-11-03 ZW ZW199/87A patent/ZW19987A1/xx unknown
- 1987-11-03 OA OA59218A patent/OA08770A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EG18504A (en) | 1993-04-30 |
| US4866207A (en) | 1989-09-12 |
| MA21099A1 (fr) | 1988-07-01 |
| IL84340A0 (en) | 1988-04-29 |
| NL8602769A (nl) | 1988-06-01 |
| NZ222369A (en) | 1990-06-26 |
| AU604069B2 (en) | 1990-12-06 |
| CN1022321C (zh) | 1993-10-06 |
| CN87107625A (zh) | 1988-05-11 |
| MX168831B (es) | 1993-06-10 |
| CA1333912C (en) | 1995-01-10 |
| ZA878213B (en) | 1988-04-28 |
| SU1736335A3 (ru) | 1992-05-23 |
| NO874558D0 (no) | 1987-11-02 |
| IN170336B (es) | 1992-03-14 |
| EP0266839A1 (en) | 1988-05-11 |
| FI874808A (fi) | 1988-05-04 |
| TR24027A (tr) | 1991-02-04 |
| ZW19987A1 (en) | 1988-02-03 |
| JPS63126858A (ja) | 1988-05-30 |
| BG60206B2 (bg) | 1993-12-30 |
| PT86068A (pt) | 1988-12-15 |
| AU8058287A (en) | 1988-05-05 |
| DD262806A5 (de) | 1988-12-14 |
| BR8705824A (pt) | 1988-06-28 |
| OA08770A (en) | 1989-03-31 |
| KR880006176A (ko) | 1988-07-21 |
| PL268572A1 (en) | 1988-09-01 |
| AR245383A1 (es) | 1994-01-31 |
| FI874808A0 (fi) | 1987-11-02 |
| HUT44949A (en) | 1988-05-30 |
| TNSN87125A1 (fr) | 1990-01-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4087513A (en) | Method of hydrolyzing urea contained in waste water streams | |
| RU2739768C2 (ru) | Способ совмещенного производства мочевины и мочевино-аммониевого нитрата | |
| NO851044L (no) | Fremgangsmaate ved fremstilling av urea | |
| NO150480B (no) | Fremgangsmaate for gjenvinning av uomsatte materialer og varme fra en urea-syntese | |
| US4801745A (en) | Improved process for the preparation of urea | |
| NO150512B (no) | Fremgangsmaate ved fremstilling av urea | |
| AU592107B2 (en) | Process for the preparation of urea | |
| US4433146A (en) | Process for the preparation of melamine | |
| NO874558L (no) | Fremgangsmaate ved konsentrering av en ureaopploesning, samt anordning for utfoerelse av fremgangsmaaten. | |
| CA2779841C (en) | A urea stripping process for the production of urea | |
| NL1011123C2 (nl) | Werkwijze voor de bereiding van ureum. | |
| US3957868A (en) | Process for preparing urea from ammonia and carbon dioxide | |
| KR870001143B1 (ko) | 요소의 제조방법 | |
| US4138468A (en) | Method and apparatus for producing or recovering alkanolamine from a mixture containing oxazolidone | |
| IL24765A (en) | Process and device for preparing urea | |
| JPS60339B2 (ja) | 尿素溶液を処理する方法及び装置 | |
| UA67718C2 (uk) | Спосіб одержання сечовини, конденсатор та установка для здійснення цього способу | |
| NO890458L (no) | Fremgangsmaate for konsentrering av en urea-opploesning. | |
| EP1289943B1 (en) | Process for decomposing a carbamate aqueous solution coming from the urea recovery section of a urea production plant | |
| US6538157B1 (en) | Method for the preparation of urea | |
| JPS6129943B2 (es) | ||
| RU2811862C1 (ru) | Способ и установка для получения карбамида | |
| US20240262788A1 (en) | Urea and melamine production | |
| US3864091A (en) | Apparatus for the decomposition of ammonium carbamate | |
| PL159061B1 (pl) | Sposób wytwarzania mocznika PL |