PT86068A - Processo e instalacao para a concentracao de uma solucao de ureia - Google Patents
Processo e instalacao para a concentracao de uma solucao de ureiaInfo
- Publication number
- PT86068A PT86068A PT86068A PT8606887A PT86068A PT 86068 A PT86068 A PT 86068A PT 86068 A PT86068 A PT 86068A PT 8606887 A PT8606887 A PT 8606887A PT 86068 A PT86068 A PT 86068A
- Authority
- PT
- Portugal
- Prior art keywords
- concentration
- installation
- urea solution
- urea
- solution
- 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
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 (1)
| Publication Number | Publication Date |
|---|---|
| PT86068A true PT86068A (pt) | 1988-12-15 |
Family
ID=19848768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT86068A PT86068A (pt) | 1986-11-03 | 1987-11-03 | Processo e instalacao para a concentracao de uma solucao de ureia |
Country Status (29)
| Country | Link |
|---|---|
| US (1) | US4866207A (pt) |
| EP (1) | EP0266839A1 (pt) |
| JP (1) | JPS63126858A (pt) |
| KR (1) | KR880006176A (pt) |
| CN (1) | CN1022321C (pt) |
| AR (1) | AR245383A1 (pt) |
| AU (1) | AU604069B2 (pt) |
| BG (1) | BG60206B2 (pt) |
| BR (1) | BR8705824A (pt) |
| CA (1) | CA1333912C (pt) |
| DD (1) | DD262806A5 (pt) |
| EG (1) | EG18504A (pt) |
| FI (1) | FI874808A (pt) |
| HU (1) | HUT44949A (pt) |
| IL (1) | IL84340A0 (pt) |
| IN (1) | IN170336B (pt) |
| MA (1) | MA21099A1 (pt) |
| MX (1) | MX168831B (pt) |
| NL (1) | NL8602769A (pt) |
| NO (1) | NO874558L (pt) |
| NZ (1) | NZ222369A (pt) |
| OA (1) | OA08770A (pt) |
| PL (1) | PL268572A1 (pt) |
| PT (1) | PT86068A (pt) |
| SU (1) | SU1736335A3 (pt) |
| TN (1) | TNSN87125A1 (pt) |
| TR (1) | TR24027A (pt) |
| ZA (1) | ZA878213B (pt) |
| ZW (1) | ZW19987A1 (pt) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH679485A5 (pt) * | 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 |
| EA034717B1 (ru) | 2012-05-03 | 2020-03-12 | Стамикарбон Б.В. | Способ производства мочевины из аммиака и диоксида углерода |
| UA123548C2 (uk) * | 2016-05-03 | 2021-04-21 | Стамікарбон Б.В. | Виробництво карбаміду з контрольованим біуретом |
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 (pt) * | 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 BR BR8705824A patent/BR8705824A/pt not_active Application Discontinuation
- 1987-10-30 NZ NZ222369A patent/NZ222369A/xx unknown
- 1987-10-30 CA CA000550625A patent/CA1333912C/en not_active Expired - Lifetime
- 1987-11-01 EG EG625/87D patent/EG18504A/xx active
- 1987-11-02 AU AU80582/87A patent/AU604069B2/en not_active Ceased
- 1987-11-02 EP EP87202109A patent/EP0266839A1/en not_active Ceased
- 1987-11-02 TR TR87/0748A patent/TR24027A/xx unknown
- 1987-11-02 JP JP62275873A patent/JPS63126858A/ja active Pending
- 1987-11-02 AR AR87309184A patent/AR245383A1/es active
- 1987-11-02 NO NO874558A patent/NO874558L/no unknown
- 1987-11-02 SU SU874203645A patent/SU1736335A3/ru active
- 1987-11-02 FI FI874808A patent/FI874808A/fi not_active Application Discontinuation
- 1987-11-02 ZA ZA878213A patent/ZA878213B/xx unknown
- 1987-11-02 IL IL84340A patent/IL84340A0/xx unknown
- 1987-11-02 MA MA21340A patent/MA21099A1/fr unknown
- 1987-11-02 HU HU874917A patent/HUT44949A/hu unknown
- 1987-11-02 CN CN87107625A patent/CN1022321C/zh not_active Expired - Lifetime
- 1987-11-02 BG BG81639A patent/BG60206B2/xx unknown
- 1987-11-02 DD DD87308579A patent/DD262806A5/de unknown
- 1987-11-03 OA OA59218A patent/OA08770A/xx unknown
- 1987-11-03 TN TNTNSN87125A patent/TNSN87125A1/fr unknown
- 1987-11-03 KR KR870012304A patent/KR880006176A/ko not_active Application Discontinuation
- 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 PL PL26857287A patent/PL268572A1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| MA21099A1 (fr) | 1988-07-01 |
| JPS63126858A (ja) | 1988-05-30 |
| KR880006176A (ko) | 1988-07-21 |
| AU8058287A (en) | 1988-05-05 |
| SU1736335A3 (ru) | 1992-05-23 |
| EG18504A (en) | 1993-04-30 |
| FI874808A0 (fi) | 1987-11-02 |
| ZA878213B (en) | 1988-04-28 |
| US4866207A (en) | 1989-09-12 |
| BG60206B2 (en) | 1993-12-30 |
| NL8602769A (nl) | 1988-06-01 |
| IN170336B (pt) | 1992-03-14 |
| FI874808A (fi) | 1988-05-04 |
| AU604069B2 (en) | 1990-12-06 |
| PL268572A1 (en) | 1988-09-01 |
| AR245383A1 (es) | 1994-01-31 |
| NZ222369A (en) | 1990-06-26 |
| CN1022321C (zh) | 1993-10-06 |
| ZW19987A1 (en) | 1988-02-03 |
| MX168831B (es) | 1993-06-10 |
| DD262806A5 (de) | 1988-12-14 |
| TR24027A (tr) | 1991-02-04 |
| CN87107625A (zh) | 1988-05-11 |
| TNSN87125A1 (fr) | 1990-01-01 |
| CA1333912C (en) | 1995-01-10 |
| NO874558D0 (no) | 1987-11-02 |
| IL84340A0 (en) | 1988-04-29 |
| EP0266839A1 (en) | 1988-05-11 |
| OA08770A (en) | 1989-03-31 |
| NO874558L (no) | 1988-05-04 |
| HUT44949A (en) | 1988-05-30 |
| BR8705824A (pt) | 1988-06-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FC3A | Refusal |
Effective date: 19940316 |