BR8301109A - Processo de passivar superficie de separadores de instalacoes de producao de ureia - Google Patents
Processo de passivar superficie de separadores de instalacoes de producao de ureiaInfo
- Publication number
- BR8301109A BR8301109A BR8301109A BR8301109A BR8301109A BR 8301109 A BR8301109 A BR 8301109A BR 8301109 A BR8301109 A BR 8301109A BR 8301109 A BR8301109 A BR 8301109A BR 8301109 A BR8301109 A BR 8301109A
- Authority
- BR
- Brazil
- Prior art keywords
- separators
- production facilities
- urea production
- passivating surface
- passivating
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S203/00—Distillation: processes, separatory
- Y10S203/09—Plural feed
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT21666/82A IT1157946B (it) | 1982-06-03 | 1982-06-03 | Metodo per eliminare la corrosione delle apparecchiature di strippaggio usate negli impianti per la produzione di urea |
IT22962/82A IT1196422B (it) | 1982-08-25 | 1982-08-25 | Metodo per eliminare la corrosione delle apparecchiature di strippaggio usate negli impianti per la produzione di urea |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8301109A true BR8301109A (pt) | 1983-11-22 |
Family
ID=26327963
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8301109A BR8301109A (pt) | 1982-06-03 | 1983-03-07 | Processo de passivar superficie de separadores de instalacoes de producao de ureia |
Country Status (8)
Country | Link |
---|---|
US (1) | US4758311A (pt) |
EP (1) | EP0096151B1 (pt) |
AR (1) | AR240839A1 (pt) |
BR (1) | BR8301109A (pt) |
CA (1) | CA1211689A (pt) |
DE (1) | DE3364579D1 (pt) |
ES (1) | ES519891A0 (pt) |
PT (1) | PT76639B (pt) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0404788A4 (en) * | 1988-03-17 | 1991-04-17 | Comalco Limited | Metallic surface protection |
CH679485A5 (pt) * | 1989-12-29 | 1992-02-28 | Ammonia Casale Sa | |
IT1251524B (it) * | 1991-03-18 | 1995-05-16 | Vincenzo Lagana | Metodo per la passivazione delle superfici metalliche interessate da condizioni e agenti promotori di corrosione |
DE4424638A1 (de) * | 1994-07-13 | 1996-04-11 | Univ Dresden Tech | Verfahren zur Herstellung von oxidischen Korrosionsschutzschichten auf hoch chromlegierten Stählen |
DE19544224B4 (de) * | 1995-11-28 | 2004-10-14 | Alstom | Chemische Fahrweise eines Wasser/Dampf-Kreislaufes |
US6334886B1 (en) | 2000-05-12 | 2002-01-01 | Air Products And Chemicals, Inc. | Removal of corrosive contaminants from alkanolamine absorbent process |
GB0124846D0 (en) * | 2001-10-16 | 2001-12-05 | Unilever Plc | Corrosion protection process |
NL1027697C2 (nl) * | 2004-12-09 | 2006-06-12 | Dsm Ip Assets Bv | Werkwijze voor het verhogen van de capaciteit van een bestaand ureumproces. |
CN102017457B (zh) * | 2008-04-10 | 2014-06-04 | 诺基亚公司 | 用于处理两个信号并且确定下一处理信号的装置和方法 |
JPWO2014192823A1 (ja) | 2013-05-28 | 2017-02-23 | 東洋エンジニアリング株式会社 | 尿素合成方法 |
CN112154138A (zh) * | 2018-04-13 | 2020-12-29 | 东洋工程株式会社 | 尿素的制造方法 |
CN115354270A (zh) * | 2022-08-16 | 2022-11-18 | 广东思泉热管理技术有限公司 | 一种均热板钝化剂及其应用 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE625397A (pt) * | ||||
US1986973A (en) * | 1930-11-17 | 1935-01-08 | Du Pont | Prevention of corrosion in urea synthesis |
BE527914A (pt) * | 1953-04-15 | |||
AT187917B (de) * | 1953-04-15 | 1956-12-10 | Stamicarbon | Verfahren zur Verhinderung der Korrosion bei der Herstellung von Harnstoff aus NH3 und CO2 |
US3488293A (en) * | 1964-10-16 | 1970-01-06 | Allied Chem | Prevention of corrosion due to urea fertilizer effluent |
CH498811A (de) * | 1967-05-22 | 1970-11-15 | Chemical Construction Corp | Verfahren zur Herstellung von Harnstoff aus Ammoniak und Kohlendioxyd |
US3954861A (en) * | 1968-02-05 | 1976-05-04 | Snamprogetti S.P.A | Process for producing urea |
DE1800755A1 (de) * | 1968-10-03 | 1970-06-11 | Union Rheinische Braunkohlen | Verfahren zur Verhinderung der Korrosion durch Syntheseprodukte in Anlagen zur Synthese von Harnstoff |
US3574738A (en) * | 1968-12-26 | 1971-04-13 | Ivo Mavrovic | Process of synthesizing urea |
IL36465A (en) * | 1970-04-02 | 1974-07-31 | Zardi U | Process for the production of urea |
NL164328C (nl) * | 1970-04-02 | 1980-12-15 | Stamicarbon | Werkwijze voor het verhogen van de weerstand tegen cor- rosie van austenitische chroom-nikkelstalen, alsmede werkwijze voor de bereiding van ureum in apperatuur waarvan de weerstand tegen corrosie aldus is verhoogd. |
SU739047A1 (ru) * | 1977-01-03 | 1980-06-05 | Предприятие П/Я В-8585 | Способ разделени углеводородных смесей |
NL174548C (nl) * | 1977-05-05 | 1988-05-16 | Montedison Spa | Werkwijze voor het bereiden van ureum door reaktie van ammoniak en kooldioxyde. |
JPS542380U (pt) * | 1977-06-07 | 1979-01-09 | ||
IT1174366B (it) * | 1978-07-24 | 1987-07-01 | Ortu Francesco | Decompositore di carbammato per produzione industriale di urea |
JPS5811432B2 (ja) * | 1979-10-08 | 1983-03-02 | 三井東圧化学株式会社 | 尿素合成法 |
JPS56128749A (en) * | 1980-03-13 | 1981-10-08 | Mitsui Toatsu Chem Inc | Stripping of unreacted material in urea preparation process |
IT1141030B (it) * | 1980-08-29 | 1986-10-01 | Snam Progetti | Procedimento per la produzione di urea |
US4311856A (en) * | 1980-12-31 | 1982-01-19 | Toyo Engineering Corp. | Process for synthesizing urea |
-
1983
- 1983-02-08 EP EP83101198A patent/EP0096151B1/en not_active Expired
- 1983-02-08 DE DE8383101198T patent/DE3364579D1/de not_active Expired
- 1983-02-18 ES ES519891A patent/ES519891A0/es active Granted
- 1983-02-23 CA CA000422202A patent/CA1211689A/en not_active Expired
- 1983-02-28 AR AR292243A patent/AR240839A1/es active
- 1983-03-07 BR BR8301109A patent/BR8301109A/pt not_active IP Right Cessation
- 1983-05-04 PT PT76639A patent/PT76639B/pt not_active IP Right Cessation
-
1987
- 1987-05-11 US US07/048,458 patent/US4758311A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0096151B1 (en) | 1986-07-23 |
PT76639A (en) | 1983-06-01 |
PT76639B (en) | 1986-01-27 |
DE3364579D1 (en) | 1986-08-28 |
AR240839A2 (es) | 1991-02-28 |
CA1211689A (en) | 1986-09-23 |
ES8403531A1 (es) | 1984-04-01 |
US4758311A (en) | 1988-07-19 |
ES519891A0 (es) | 1984-04-01 |
EP0096151A1 (en) | 1983-12-21 |
AR240839A1 (es) | 1991-02-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Lapse due to non-payment of fees (art. 50) |