NL8602769A - Werkwijze voor het concentreren van een ureumoplossing en inrichting voor het uitvoeren van de werkwijze. - Google Patents
Werkwijze voor het concentreren van een ureumoplossing en inrichting voor het uitvoeren van de werkwijze. Download PDFInfo
- Publication number
- NL8602769A NL8602769A NL8602769A NL8602769A NL8602769A NL 8602769 A NL8602769 A NL 8602769A NL 8602769 A NL8602769 A NL 8602769A NL 8602769 A NL8602769 A NL 8602769A NL 8602769 A NL8602769 A NL 8602769A
- Authority
- NL
- Netherlands
- Prior art keywords
- pipes
- gas mixture
- urea solution
- heating space
- openings
- Prior art date
Links
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)
- Chemical Kinetics & Catalysis (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Saccharide Compounds (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
- Fertilizers (AREA)
Priority Applications (31)
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. |
US07/006,185 US4866207A (en) | 1986-11-03 | 1987-01-23 | Process for concentrating an urea solution by evaporation |
IN761/MAS/87A IN170336B (xx) | 1986-11-03 | 1987-10-21 | |
MX009005A MX168831B (es) | 1986-11-03 | 1987-10-28 | Procedimiento para concentrar una solucion de urea e instalacion para realizar el procedimiento |
NZ222369A NZ222369A (en) | 1986-11-03 | 1987-10-30 | Process for concentrating a urea solution and installation for carrying out the process |
CA000550625A CA1333912C (en) | 1986-11-03 | 1987-10-30 | Process for concentrating a urea solution and installation for carrying out the process |
BR8705824A BR8705824A (pt) | 1986-11-03 | 1987-10-30 | Processo e instalacao para concentracao de uma solucao de ureia e solucao de ureia obtida pelos mesmos |
EG625/87D EG18504A (en) | 1986-11-03 | 1987-11-01 | Process for concentrating urea |
SU874203645A SU1736335A3 (ru) | 1986-11-03 | 1987-11-02 | Способ концентрировани раствора мочевины и устройство дл его осуществлени |
ZA878213A ZA878213B (en) | 1986-11-03 | 1987-11-02 | Process for concentrating a urea solution and installation for carrying out the process |
IL84340A IL84340A0 (en) | 1986-11-03 | 1987-11-02 | Process and installation for concentrating a urea solution |
AU80582/87A AU604069B2 (en) | 1986-11-03 | 1987-11-02 | Process for concentrating a urea solution and installation for carrying out the process |
MA21340A MA21099A1 (fr) | 1986-11-03 | 1987-11-02 | Procede de concentration d'une solution d'uree et installation pour la mise en oeuvre de ce procede . |
TR87/0748A TR24027A (tr) | 1986-11-03 | 1987-11-02 | Uere coezeltisinin konsantrasyonu islemi ve islem tesisati |
NO874558A NO874558L (no) | 1986-11-03 | 1987-11-02 | Fremgangsmaate ved konsentrering av en ureaopploesning, samt anordning for utfoerelse av fremgangsmaaten. |
BG081639A BG60206B2 (bg) | 1986-11-03 | 1987-11-02 | Метод и инсталация за концентриране на карбамиден разтвор |
FI874808A FI874808A (fi) | 1986-11-03 | 1987-11-02 | Process foer koncentrering av en karbamidloesning och apparatur foer genomfoerande av processen. |
EP87202109A EP0266839A1 (en) | 1986-11-03 | 1987-11-02 | Process for concentrating a urea solution and installation for carrying out the process |
DD87308579A DD262806A5 (de) | 1986-11-03 | 1987-11-02 | Verfahren zur konzentrierung einer harnstoffloesung und vorrichtung zur durchfuehrung des verfahrens |
HU874917A HUT44949A (en) | 1986-11-03 | 1987-11-02 | Apparatus for concentrating urea solution |
CN87107625A CN1022321C (zh) | 1986-11-03 | 1987-11-02 | 浓缩尿素溶液的方法及其装置 |
AR87309184A AR245383A1 (es) | 1986-11-03 | 1987-11-02 | Procedimiento para concentrar una solucion de urea y aparato para realizar el procedimiento. |
JP62275873A JPS63126858A (ja) | 1986-11-03 | 1987-11-02 | 尿素溶液を濃縮する方法および装置 |
OA59218A OA08770A (en) | 1986-11-03 | 1987-11-03 | Process for concentrating a urea solution and installation for carrying out the process. |
PL26857287A PL268572A1 (en) | 1986-11-03 | 1987-11-03 | The method of urea concentration and the device for its application |
ZW199/87A ZW19987A1 (en) | 1986-11-03 | 1987-11-03 | Process for concentrating a urea solution and installation for carrying out the process |
KR870012304A KR880006176A (ko) | 1986-11-03 | 1987-11-03 | 요소용액의 농축방법 및 그 장치 |
TNTNSN87125A TNSN87125A1 (fr) | 1986-11-03 | 1987-11-03 | Procede de concentration d'une solution d'uree et installation pour la mise en oeuvre de ce procede |
PT86068A PT86068A (pt) | 1986-11-03 | 1987-11-03 | Processo e instalacao para a concentracao de uma solucao de ureia |
LV930298A LV5230A3 (lv) | 1986-11-03 | 1993-05-06 | Urinvielas skiduma koncentresanas panemiens un iekarta ta realizesanai |
LTRP723A LT2204B (lt) | 1986-11-03 | 1993-06-30 | Karbamido tirpalo koncentravimo budas ir jo realizavimo irenginys |
Applications Claiming Priority (2)
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. |
NL8602769 | 1986-11-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL8602769A true NL8602769A (nl) | 1988-06-01 |
Family
ID=19848768
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL8602769A NL8602769A (nl) | 1986-11-03 | 1986-11-03 | Werkwijze voor het concentreren van een ureumoplossing en inrichting voor het uitvoeren van de werkwijze. |
Country Status (29)
Country | Link |
---|---|
US (1) | US4866207A (xx) |
EP (1) | EP0266839A1 (xx) |
JP (1) | JPS63126858A (xx) |
KR (1) | KR880006176A (xx) |
CN (1) | CN1022321C (xx) |
AR (1) | AR245383A1 (xx) |
AU (1) | AU604069B2 (xx) |
BG (1) | BG60206B2 (xx) |
BR (1) | BR8705824A (xx) |
CA (1) | CA1333912C (xx) |
DD (1) | DD262806A5 (xx) |
EG (1) | EG18504A (xx) |
FI (1) | FI874808A (xx) |
HU (1) | HUT44949A (xx) |
IL (1) | IL84340A0 (xx) |
IN (1) | IN170336B (xx) |
MA (1) | MA21099A1 (xx) |
MX (1) | MX168831B (xx) |
NL (1) | NL8602769A (xx) |
NO (1) | NO874558L (xx) |
NZ (1) | NZ222369A (xx) |
OA (1) | OA08770A (xx) |
PL (1) | PL268572A1 (xx) |
PT (1) | PT86068A (xx) |
SU (1) | SU1736335A3 (xx) |
TN (1) | TNSN87125A1 (xx) |
TR (1) | TR24027A (xx) |
ZA (1) | ZA878213B (xx) |
ZW (1) | ZW19987A1 (xx) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH679485A5 (xx) * | 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 |
PL3190101T3 (pl) | 2012-05-03 | 2020-03-31 | Stamicarbon B.V. | Sposób i urządzenie do produkcji mocznika z amoniaku i dwutlenku węgla |
CA3022952C (en) * | 2016-05-03 | 2022-10-11 | Stamicarbon B.V. | Urea production with controlled biuret |
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 (xx) * | 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. |
ATE37868T1 (de) * | 1984-05-19 | 1988-10-15 | Ammonia Casale Sa | Verfahren zur herstellung von harnstoff. |
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 NZ NZ222369A patent/NZ222369A/xx unknown
- 1987-10-30 CA CA000550625A patent/CA1333912C/en not_active Expired - Lifetime
- 1987-10-30 BR BR8705824A patent/BR8705824A/pt not_active Application Discontinuation
- 1987-11-01 EG EG625/87D patent/EG18504A/xx active
- 1987-11-02 HU HU874917A patent/HUT44949A/hu unknown
- 1987-11-02 NO NO874558A patent/NO874558L/no unknown
- 1987-11-02 AR AR87309184A patent/AR245383A1/es active
- 1987-11-02 DD DD87308579A patent/DD262806A5/de unknown
- 1987-11-02 BG BG081639A patent/BG60206B2/bg unknown
- 1987-11-02 CN CN87107625A patent/CN1022321C/zh not_active Expired - Lifetime
- 1987-11-02 IL IL84340A patent/IL84340A0/xx unknown
- 1987-11-02 MA MA21340A patent/MA21099A1/fr unknown
- 1987-11-02 FI FI874808A patent/FI874808A/fi not_active Application Discontinuation
- 1987-11-02 JP JP62275873A patent/JPS63126858A/ja active Pending
- 1987-11-02 EP EP87202109A patent/EP0266839A1/en not_active Ceased
- 1987-11-02 TR TR87/0748A patent/TR24027A/xx unknown
- 1987-11-02 SU SU874203645A patent/SU1736335A3/ru active
- 1987-11-02 ZA ZA878213A patent/ZA878213B/xx unknown
- 1987-11-02 AU AU80582/87A patent/AU604069B2/en not_active Ceased
- 1987-11-03 OA OA59218A patent/OA08770A/xx unknown
- 1987-11-03 PL PL26857287A patent/PL268572A1/xx unknown
- 1987-11-03 ZW ZW199/87A patent/ZW19987A1/xx unknown
- 1987-11-03 PT PT86068A patent/PT86068A/pt not_active Application Discontinuation
- 1987-11-03 TN TNTNSN87125A patent/TNSN87125A1/fr unknown
- 1987-11-03 KR KR870012304A patent/KR880006176A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
SU1736335A3 (ru) | 1992-05-23 |
DD262806A5 (de) | 1988-12-14 |
EG18504A (en) | 1993-04-30 |
PT86068A (pt) | 1988-12-15 |
CN1022321C (zh) | 1993-10-06 |
AU8058287A (en) | 1988-05-05 |
AR245383A1 (es) | 1994-01-31 |
ZA878213B (en) | 1988-04-28 |
JPS63126858A (ja) | 1988-05-30 |
ZW19987A1 (en) | 1988-02-03 |
PL268572A1 (en) | 1988-09-01 |
EP0266839A1 (en) | 1988-05-11 |
FI874808A (fi) | 1988-05-04 |
FI874808A0 (fi) | 1987-11-02 |
TR24027A (tr) | 1991-02-04 |
BR8705824A (pt) | 1988-06-28 |
BG60206B2 (bg) | 1993-12-30 |
MA21099A1 (fr) | 1988-07-01 |
US4866207A (en) | 1989-09-12 |
NO874558L (no) | 1988-05-04 |
CA1333912C (en) | 1995-01-10 |
HUT44949A (en) | 1988-05-30 |
OA08770A (en) | 1989-03-31 |
AU604069B2 (en) | 1990-12-06 |
CN87107625A (zh) | 1988-05-11 |
NZ222369A (en) | 1990-06-26 |
NO874558D0 (no) | 1987-11-02 |
IL84340A0 (en) | 1988-04-29 |
TNSN87125A1 (fr) | 1990-01-01 |
KR880006176A (ko) | 1988-07-21 |
MX168831B (es) | 1993-06-10 |
IN170336B (xx) | 1992-03-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1B | A search report has been drawn up | ||
BV | The patent application has lapsed |