MX9206142A - Proceso y equipo para la hidrolisis de urea residual en agua proveniente de plantas de sintesis - Google Patents
Proceso y equipo para la hidrolisis de urea residual en agua proveniente de plantas de sintesisInfo
- Publication number
- MX9206142A MX9206142A MX9206142A MX9206142A MX9206142A MX 9206142 A MX9206142 A MX 9206142A MX 9206142 A MX9206142 A MX 9206142A MX 9206142 A MX9206142 A MX 9206142A MX 9206142 A MX9206142 A MX 9206142A
- Authority
- MX
- Mexico
- Prior art keywords
- hydrolysis
- equipment
- water
- residual urea
- synthesis plants
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/006—Baffles
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/025—Thermal hydrolysis
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C237/00—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups
- C07C237/02—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atoms of the carboxamide groups bound to acyclic carbon atoms of the carbon skeleton
- C07C237/04—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atoms of the carboxamide groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton being acyclic and saturated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00105—Controlling the temperature by indirect heating or cooling employing heat exchange fluids part or all of the reactants being heated or cooled outside the reactor while recycling
- B01J2219/0011—Controlling the temperature by indirect heating or cooling employing heat exchange fluids part or all of the reactants being heated or cooled outside the reactor while recycling involving reactant liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00761—Details of the reactor
- B01J2219/00763—Baffles
- B01J2219/00765—Baffles attached to the reactor wall
- B01J2219/00777—Baffles attached to the reactor wall horizontal
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Physical Water Treatments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH308791 | 1991-10-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX9206142A true MX9206142A (es) | 1993-05-01 |
Family
ID=4248336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX9206142A MX9206142A (es) | 1991-10-23 | 1992-10-23 | Proceso y equipo para la hidrolisis de urea residual en agua proveniente de plantas de sintesis |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5399755A (es) |
| EP (1) | EP0538848A1 (es) |
| CN (1) | CN1073152A (es) |
| CA (1) | CA2081294A1 (es) |
| MX (1) | MX9206142A (es) |
| RU (1) | RU2056408C1 (es) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2168993C (en) | 1995-10-27 | 2007-01-02 | Giorgio Pagani | Hydrolysis reactor for removal of urea, ammonia and carbon dioxide from a liquid phase comprising urea in aqueous solution |
| AU2598797A (en) * | 1996-04-01 | 1997-10-22 | United States Filter Corporation | Two-stage separation process |
| US6093380A (en) * | 1998-10-16 | 2000-07-25 | Siirtec Nigi, S.P.A. | Method and apparatus for pollution control in exhaust gas streams from fossil fuel burning facilities |
| US6511644B1 (en) | 2000-08-28 | 2003-01-28 | The Chemithon Corporation | Method for removing contaminants in reactors |
| US6761868B2 (en) * | 2001-05-16 | 2004-07-13 | The Chemithon Corporation | Process for quantitatively converting urea to ammonia on demand |
| US20030211024A1 (en) * | 2002-05-10 | 2003-11-13 | Wojichowski David Lee | Methods of converting urea to ammonia for SCR, SNCR and flue gas conditioning |
| US6887449B2 (en) * | 2002-11-21 | 2005-05-03 | The Chemithon Corporation | Method of quantitatively producing ammonia from urea |
| US20080267837A1 (en) * | 2007-04-27 | 2008-10-30 | Phelps Calvin E | Conversion of urea to reactants for NOx reduction |
| ITMI20072206A1 (it) * | 2007-11-21 | 2009-05-22 | Snam Progetti | Metodo per il recupero di ammoniaca da una corrente gassosa in un processo di sintesi di urea |
| JP6634342B2 (ja) * | 2016-05-24 | 2020-01-22 | 東洋エンジニアリング株式会社 | 尿素水溶液の処理方法および装置 |
| EP3665152A1 (en) * | 2017-08-11 | 2020-06-17 | Nouryon Chemicals International B.V. | Process for converting cyclic alkylene ureas into their corresponding alkylene amines |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4341640A (en) * | 1976-09-27 | 1982-07-27 | Standard Oil Company | Urea hydrolysis |
| NL8006477A (nl) * | 1980-11-28 | 1982-06-16 | Unie Van Kunstmestfab Bv | Werkwijze voor het verwijderen van ureum, ammoniak en kooldioxide uit verdunde waterige oplossing. |
| NL8100989A (nl) * | 1981-02-28 | 1982-09-16 | Unie Van Kunstmestfab Bv | Werkwijze voor het verwijderen van ureum, ammoniak en kooldioxide uit verdunde waterige oplossingen. |
| US4552979A (en) * | 1984-08-27 | 1985-11-12 | James Chemical Engineering Inc. | Process for treatment of urea plant process condensate |
| US5223238A (en) * | 1992-01-16 | 1993-06-29 | The M. W. Kellogg Company | Method for treating ammonia and urea condensates |
-
1992
- 1992-10-22 EP EP92118068A patent/EP0538848A1/en not_active Withdrawn
- 1992-10-22 RU RU9292004374A patent/RU2056408C1/ru active
- 1992-10-23 CN CN92113060.0A patent/CN1073152A/zh active Pending
- 1992-10-23 CA CA002081294A patent/CA2081294A1/en not_active Abandoned
- 1992-10-23 US US07/965,741 patent/US5399755A/en not_active Expired - Fee Related
- 1992-10-23 MX MX9206142A patent/MX9206142A/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US5399755A (en) | 1995-03-21 |
| EP0538848A1 (en) | 1993-04-28 |
| CA2081294A1 (en) | 1993-04-24 |
| CN1073152A (zh) | 1993-06-16 |
| RU2056408C1 (ru) | 1996-03-20 |
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