BE858574A - Procede de production d'uree et d'epuration d'eau - Google Patents
Procede de production d'uree et d'epuration d'eauInfo
- Publication number
- BE858574A BE858574A BE180806A BE180806A BE858574A BE 858574 A BE858574 A BE 858574A BE 180806 A BE180806 A BE 180806A BE 180806 A BE180806 A BE 180806A BE 858574 A BE858574 A BE 858574A
- Authority
- BE
- Belgium
- Prior art keywords
- urea
- production
- water treatment
- treatment
- water
- 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
- 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
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/06—Treatment of sludge; Devices therefor by oxidation
- C02F11/08—Wet air oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT27024/76A IT1068268B (it) | 1976-09-09 | 1976-09-09 | Procedimento per la produzione di urea e purificazione delle acque |
Publications (1)
Publication Number | Publication Date |
---|---|
BE858574A true BE858574A (fr) | 1978-03-09 |
Family
ID=11220800
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE180806A BE858574A (fr) | 1976-09-09 | 1977-09-09 | Procede de production d'uree et d'epuration d'eau |
Country Status (24)
Country | Link |
---|---|
US (1) | US4314077A (fr) |
JP (1) | JPS6058228B2 (fr) |
AR (1) | AR219502A1 (fr) |
AU (1) | AU511880B2 (fr) |
BE (1) | BE858574A (fr) |
BR (1) | BR7706063A (fr) |
CA (1) | CA1106404A (fr) |
CH (1) | CH625505A5 (fr) |
CS (1) | CS205083B2 (fr) |
DD (1) | DD133091A5 (fr) |
DE (1) | DE2740358C2 (fr) |
DK (1) | DK399577A (fr) |
ES (1) | ES462234A1 (fr) |
FR (1) | FR2364203A1 (fr) |
GB (1) | GB1542371A (fr) |
IE (1) | IE45681B1 (fr) |
IN (1) | IN147029B (fr) |
IT (1) | IT1068268B (fr) |
LU (1) | LU78097A1 (fr) |
MX (1) | MX150529A (fr) |
NL (1) | NL7709968A (fr) |
PL (1) | PL116475B1 (fr) |
SE (1) | SE425972B (fr) |
YU (1) | YU39132B (fr) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1141030B (it) * | 1980-08-29 | 1986-10-01 | Snam Progetti | Procedimento per la produzione di urea |
NL8102391A (nl) * | 1981-05-15 | 1982-12-01 | Unie Van Kunstmestfab Bv | Werkwijze voor het winnen van waardevolle bestanddelen uit de afvalstromen verkregen bij de ureumbereiding. |
IT1211125B (it) * | 1981-10-16 | 1989-09-29 | Ortu Francesco | Composti azotati. processo per la preparazione di |
JPS5867661A (ja) * | 1981-10-16 | 1983-04-22 | Mitsui Toatsu Chem Inc | 尿素合成法 |
JPS61109760A (ja) * | 1984-11-02 | 1986-05-28 | Toyo Eng Corp | 尿素製造法 |
NL8502228A (nl) * | 1985-08-12 | 1987-03-02 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
NL8502227A (nl) * | 1985-08-12 | 1987-03-02 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
JPS63112552A (ja) * | 1986-10-30 | 1988-05-17 | Toyo Eng Corp | 未転化物の分離方法 |
IT1232670B (it) * | 1989-09-15 | 1992-03-02 | Snam Progetti | Procedimento per la purificazione delle acque reflue prodotte dagli impianti di produzione dell'urea. |
IT1232669B (it) * | 1989-09-15 | 1992-03-02 | Snam Progetti | Procedimento per la produzione di urea con elevato rendimento energetico. |
JP2000054950A (ja) * | 1998-06-05 | 2000-02-22 | Hanako Narutomi | 常温度熱機関 |
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 |
NL1019848C2 (nl) * | 2002-01-28 | 2003-07-30 | Dsm Nv | Werkwijze voor de bereiding van ureum. |
US6887449B2 (en) * | 2002-11-21 | 2005-05-03 | The Chemithon Corporation | Method of quantitatively producing ammonia from urea |
US6990691B2 (en) * | 2003-07-18 | 2006-01-31 | Depuy Products, Inc. | Head gear apparatus |
EP1918273A1 (fr) † | 2006-11-04 | 2008-05-07 | Urea Casale S.A. | Procédé et installation pour la production d'urée |
EP2128129A1 (fr) | 2008-05-20 | 2009-12-02 | Urea Casale S.A. | Procédé pour la modernisation d'une installation de production d'urée |
EP2199279A1 (fr) | 2008-12-17 | 2010-06-23 | Urea Casale S.A. | Amélioration d'une boucle haute pression dans un processus pour la synthèse d'urée |
EP2397463A1 (fr) | 2010-06-16 | 2011-12-21 | Urea Casale SA | Procédé de remaniement d'une installation de production d'urée à vaporisation autonome |
EP2502881A1 (fr) | 2011-03-24 | 2012-09-26 | Urea Casale S.A. | Procédé et installation pour la production d'urée-ammoniac |
ITMI20120013A1 (it) | 2012-01-09 | 2013-07-10 | Saipem Spa | Procedimento per la sintesi di urea comprendente un flusso di passivazione a fondo stripper |
EP2784062A1 (fr) | 2013-03-27 | 2014-10-01 | Urea Casale SA | Procédé de modernisation d'une usine de production d'urée à auto-stripage |
WO2017171546A1 (fr) | 2016-03-30 | 2017-10-05 | Stamicarbon B.V. | Production d'urée par synthèse à deux pressions |
US10526281B2 (en) | 2016-05-03 | 2020-01-07 | Stamicarbon B.V. | Controlling biuret in urea production |
WO2017192032A1 (fr) | 2016-05-03 | 2017-11-09 | Stamicarbon B.V. | Production d'urée avec biuret régulé |
JP6862381B2 (ja) | 2018-03-02 | 2021-04-21 | 株式会社東芝 | 半導体装置 |
JP7088770B2 (ja) | 2018-07-26 | 2022-06-21 | 東洋エンジニアリング株式会社 | 尿素製造方法および装置 |
EA202191768A1 (ru) * | 2018-12-21 | 2021-08-11 | Стамикарбон Б.В. | Способ и установка для производства карбамида с интеграцией тепла в секции регенерации низкого давления |
CN113603113B (zh) * | 2021-09-17 | 2024-08-02 | 浙江建业微电子材料有限公司 | 一种适用于电子级氨气与氨水的生产装置及其生产方法 |
WO2024172703A1 (fr) * | 2023-02-16 | 2024-08-22 | Акционерное общество "Научно-исследовательский и проектный институт карбамида и продуктов органического синтеза" (АО "НИИК") | Procédé et installation de production de carbamide |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
LU37505A1 (fr) * | 1958-08-08 | |||
CH468356A (de) * | 1966-04-05 | 1969-02-15 | Inventa Ag | Verfahren zur Aufarbeitung des bei der Synthese von Harnstoff aus Ammoniak und Kohlendioxyd in einem Synthesereaktor bei erhöhtem Druck und erhöhter Temperatur erhaltenen Synthesegemisches |
US3876696A (en) * | 1968-09-03 | 1975-04-08 | Snam Progetti | Process for the production of urea having a low carbamate content |
US4036878A (en) * | 1972-06-12 | 1977-07-19 | Unie Van Kunstmestfabrieken, B.V. | Process for preparing urea |
US3826815A (en) * | 1972-06-21 | 1974-07-30 | I Mavrovic | Recovery of residual ammonia from weak aqueous solutions thereof |
JPS5535378B2 (fr) * | 1973-02-14 | 1980-09-12 | ||
US3922222A (en) * | 1973-02-20 | 1975-11-25 | Cf Ind | Method for treatment of urea crystallizer condensate |
IT1014987B (it) * | 1974-06-12 | 1977-04-30 | Snam Progetti | Procedimento integrato urea am moniaca |
GB1506129A (en) * | 1975-04-23 | 1978-04-05 | Snam Progetti | Formation of ammonium carbamate solution |
AR206244A1 (es) * | 1975-05-06 | 1976-07-07 | Mitsui Toatsu Chemicals | Procedimiento para tratar vapor de agua generado al concentrar una solucion acuosa de urea |
JPS5268129A (en) * | 1975-12-05 | 1977-06-06 | Mitsui Toatsu Chem Inc | Recovery of unreacted material and heat on urea synthesis |
-
1976
- 1976-09-09 IT IT27024/76A patent/IT1068268B/it active
-
1977
- 1977-08-04 CA CA284,053A patent/CA1106404A/fr not_active Expired
- 1977-08-05 AU AU27673/77A patent/AU511880B2/en not_active Expired
- 1977-08-18 IN IN1283/CAL/77A patent/IN147029B/en unknown
- 1977-08-31 CS CS775684A patent/CS205083B2/cs unknown
- 1977-08-31 MX MX170424A patent/MX150529A/es unknown
- 1977-09-01 PL PL1977200608A patent/PL116475B1/pl not_active IP Right Cessation
- 1977-09-02 ES ES462234A patent/ES462234A1/es not_active Expired
- 1977-09-05 JP JP52105969A patent/JPS6058228B2/ja not_active Expired
- 1977-09-06 YU YU02125/77A patent/YU39132B/xx unknown
- 1977-09-07 DE DE2740358A patent/DE2740358C2/de not_active Expired
- 1977-09-07 LU LU78097A patent/LU78097A1/xx unknown
- 1977-09-07 DD DD7700200918A patent/DD133091A5/xx unknown
- 1977-09-08 GB GB7737615A patent/GB1542371A/en not_active Expired
- 1977-09-08 DK DK399577A patent/DK399577A/da not_active Application Discontinuation
- 1977-09-08 FR FR7727215A patent/FR2364203A1/fr active Granted
- 1977-09-09 IE IE1872/77A patent/IE45681B1/en unknown
- 1977-09-09 NL NL7709968A patent/NL7709968A/xx not_active Application Discontinuation
- 1977-09-09 AR AR269158A patent/AR219502A1/es active
- 1977-09-09 SE SE7710151A patent/SE425972B/xx not_active IP Right Cessation
- 1977-09-09 BE BE180806A patent/BE858574A/fr not_active IP Right Cessation
- 1977-09-09 CH CH1108777A patent/CH625505A5/it not_active IP Right Cessation
- 1977-09-09 BR BR7706063A patent/BR7706063A/pt unknown
-
1980
- 1980-12-15 US US06/216,303 patent/US4314077A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
IN147029B (fr) | 1979-10-27 |
JPS5334721A (en) | 1978-03-31 |
JPS6058228B2 (ja) | 1985-12-19 |
LU78097A1 (fr) | 1978-01-23 |
US4314077A (en) | 1982-02-02 |
AU511880B2 (en) | 1980-09-11 |
BR7706063A (pt) | 1978-06-06 |
SE7710151L (sv) | 1978-03-10 |
DE2740358C2 (de) | 1982-07-01 |
AU2767377A (en) | 1979-05-03 |
IE45681L (en) | 1978-03-09 |
NL7709968A (nl) | 1978-03-13 |
ES462234A1 (es) | 1978-06-01 |
PL116475B1 (en) | 1981-06-30 |
MX150529A (es) | 1984-05-22 |
CH625505A5 (fr) | 1981-09-30 |
PL200608A1 (pl) | 1978-05-22 |
FR2364203B1 (fr) | 1980-03-14 |
FR2364203A1 (fr) | 1978-04-07 |
CA1106404A (fr) | 1981-08-04 |
IT1068268B (it) | 1985-03-21 |
GB1542371A (en) | 1979-03-21 |
YU212577A (en) | 1982-08-31 |
SE425972B (sv) | 1982-11-29 |
DD133091A5 (de) | 1978-12-06 |
DE2740358A1 (de) | 1978-03-16 |
AR219502A1 (es) | 1980-08-29 |
YU39132B (en) | 1984-06-30 |
CS205083B2 (en) | 1981-04-30 |
DK399577A (da) | 1978-03-10 |
IE45681B1 (en) | 1982-10-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BE858574A (fr) | Procede de production d'uree et d'epuration d'eau | |
BE892885A (fr) | Solution et procede de passivation donnant l'aspect du chrome | |
BE857199A (fr) | Catalyseur et procede pour la production de nitro-diphenylamines | |
FR2320165A1 (fr) | Procede et installation d'usinage ultrasonique | |
IT1069277B (it) | Procedimento ed impianto per la depurazione di alogenosilani | |
IT1078665B (it) | Procedimento e impianto per la depurazione di acque di scarico | |
IT7849083A0 (it) | Metodo per l'idrolisi di urea contenuta in acque di scarico | |
FR2302189A1 (fr) | Procede et dispositif d'extrusion pour la fabrication de profiles | |
BE861944A (fr) | Procede d'epuration d'eaux residuaires | |
BE853158A (fr) | Procede de production de cyanure d'acyle | |
BE855399A (fr) | Procede de traitement d'eaux sulfurees | |
RO72421A (fr) | Procede de reduction de l'entree d'eau | |
BE859325A (fr) | Procede pour la chloration dirigee d'alcoylbenzenes | |
FR2305416A1 (fr) | Procede de preparation de tricosene-(9) et d'heneicosene-(9) | |
BE860620A (fr) | Procede de determination d'uree | |
FR2351054A1 (fr) | Procede et installation de production d'ammoniac et d'eau lourde | |
BE858806A (fr) | Procede pour la preparation de glycol-aldehyde et d'ethylene-glycol | |
BE890118A (fr) | Procede de production d'uree | |
BE839182A (fr) | Procede et installation de refrigeration de corps d'animaux de consommation | |
RO78342A (fr) | Procede de preparation des imino-ethers de benzthiazolines et benzoxazolines | |
FR2347337A1 (fr) | Procede de preparation et de purification de la secretine | |
BE843000A (fr) | Procede d'epuration d'eau usees industrielles | |
FR2351053A1 (fr) | Procede et installation de production d'ammoniac et d'eau lourde | |
BE849148A (fr) | Procede d'epuration d'eaux usees | |
BE861743A (fr) | Procede et catalyseur d'ammonoxydation |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: SNAMPROGETTI S.P.A. Effective date: 19870930 |