BR9802845A - Processo e aparelho para produzir uma corrente de produto de nitrogênio livre de oxigênio - Google Patents
Processo e aparelho para produzir uma corrente de produto de nitrogênio livre de oxigênioInfo
- Publication number
- BR9802845A BR9802845A BR9802845-6A BR9802845A BR9802845A BR 9802845 A BR9802845 A BR 9802845A BR 9802845 A BR9802845 A BR 9802845A BR 9802845 A BR9802845 A BR 9802845A
- Authority
- BR
- Brazil
- Prior art keywords
- oxygen
- producing
- stream
- free nitrogen
- nitrogen product
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/76—Adjusting the composition of the atmosphere
- C21D1/763—Adjusting the composition of the atmosphere using a catalyst
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/04—Purification or separation of nitrogen
- C01B21/0405—Purification or separation processes
- C01B21/0411—Chemical processing only
- C01B21/0422—Chemical processing only by reduction
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Catalysts (AREA)
Abstract
"PROCESSO E APARELHO PARA PRODUZIR UMA CORRENTE DE PRODUTO DE NITROGêNIO LIVRE DE OXIGêNIO". Um sistema pequeno para produzir de modo eficiente baixas vazões de uma corrente de nitrogênio ou de nitrogênio / hidrogênio a partir de uma alimentação inicial que também contém oxigênio, empregando uma unidade reatora catalítica definida produtora de produto em velocidades especiais muito elevadas.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/908,166 US6168774B1 (en) | 1997-08-07 | 1997-08-07 | Compact deoxo system |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9802845A true BR9802845A (pt) | 1999-11-03 |
Family
ID=25425307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9802845-6A BR9802845A (pt) | 1997-08-07 | 1998-08-05 | Processo e aparelho para produzir uma corrente de produto de nitrogênio livre de oxigênio |
Country Status (3)
Country | Link |
---|---|
US (2) | US6168774B1 (pt) |
EP (1) | EP0895964A1 (pt) |
BR (1) | BR9802845A (pt) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6526658B1 (en) * | 2000-05-23 | 2003-03-04 | Silverbrook Research Pty Ltd | Method of manufacture of an ink jet printhead having a moving nozzle with an externally arranged actuator |
DE60035618T2 (de) * | 2000-05-24 | 2008-07-03 | Silverbrook Research Pty. Ltd., Balmain | Herstellungsverfahren für einen tintenstrahldruckkopf mit bewegender düse und externem betätiger |
US20030039596A1 (en) * | 2001-08-16 | 2003-02-27 | Johnson Michael Clinton | Gas purification apparatus and process |
US7468173B2 (en) * | 2004-02-25 | 2008-12-23 | Sunstone Corporation | Method for producing nitrogen to use in under balanced drilling, secondary recovery production operations and pipeline maintenance |
EP1859861A1 (en) * | 2005-03-18 | 2007-11-28 | Nippon Shokubai Co.,Ltd. | Catalyst for removing oxygen and method for removing oxygen using the catalyst |
US20070107818A1 (en) * | 2005-11-16 | 2007-05-17 | Bowe Donald J | Deoxygenation of furnaces with hydrogen-containing atmoshperes |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1588258A (en) * | 1926-01-15 | 1926-06-08 | Air Reduction | Production of oxygen-free nitrogen |
US2384065A (en) * | 1941-07-18 | 1945-09-04 | Air Reduction | Purification of gases |
US2582285A (en) | 1948-05-07 | 1952-01-15 | R W Cramer Company Inc | Timer for causing brief actuations at prolonged intervals |
US2582885A (en) * | 1948-08-23 | 1952-01-15 | Baker & Co Inc | Method of removing free oxygen or free hydrogen from a gaseous medium |
US4472528A (en) * | 1982-12-27 | 1984-09-18 | Lloyd Berg | Catalyst for hydrotreating solvent refined coals and lignites |
CA1200540A (en) * | 1983-10-24 | 1986-02-11 | Atomic Energy Of Canada Limited - Energie Atomique Du Canada, Limitee | Method of manufacturing a crystalline silica/platinum catalyst structure |
CN85102710A (zh) * | 1985-04-01 | 1986-09-17 | 中国科学院大连化学物理研究所 | 铂、钯/氧化钛脱氧催化剂 |
JPS6222923A (ja) | 1985-07-22 | 1987-01-31 | Matsushita Seiko Co Ltd | 加湿装置付電気スト−ブ |
US4859435A (en) * | 1988-06-10 | 1989-08-22 | Air Products And Chemicals, Inc. | Deoxygenation of inert gas streams with methanol |
US5202057A (en) * | 1988-09-14 | 1993-04-13 | Air Products And Chemicals, Inc. | Production of ammonia synthesis gas |
US5004482A (en) | 1989-05-12 | 1991-04-02 | Union Carbide Corporation | Production of dry, high purity nitrogen |
US4931070A (en) | 1989-05-12 | 1990-06-05 | Union Carbide Corporation | Process and system for the production of dry, high purity nitrogen |
FR2649123B1 (fr) | 1989-06-30 | 1991-09-13 | Air Liquide | Procede de traitement thermique de metaux |
FR2649124A1 (fr) | 1989-07-03 | 1991-01-04 | Air Liquide | Procede de traitement thermique de metaux sous atmosphere |
WO1991006648A1 (en) * | 1989-10-27 | 1991-05-16 | The Salk Institute For Biological Studies | Glutamate receptor compositions and methods |
US5078798A (en) * | 1989-12-28 | 1992-01-07 | Ciba-Geigy Corporation | Buoyancy mediated control of catalytic reaction |
US5238670A (en) | 1990-04-20 | 1993-08-24 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Process for preparing ultra-pure nitrogen |
US5122355A (en) | 1990-06-06 | 1992-06-16 | Union Carbide Industrial Gases Technology Corporation | Membrane nitrogen process and system |
US5077029A (en) * | 1990-07-23 | 1991-12-31 | Union Carbide Industrial Gases Technology Corporation | Membrane/deoxo control method and system |
US5204075A (en) * | 1991-05-30 | 1993-04-20 | The Boc Group, Inc. | Process for the purification of the inert gases |
JPH06222923A (ja) | 1993-01-27 | 1994-08-12 | Nec Corp | 並行オブジェクト指向言語実行方法および装置 |
US5348592A (en) | 1993-02-01 | 1994-09-20 | Air Products And Chemicals, Inc. | Method of producing nitrogen-hydrogen atmospheres for metals processing |
FR2729583A1 (fr) | 1995-01-25 | 1996-07-26 | Air Liquide | Procede pour l'elimination d'impuretes contenues dans un compose gazeux |
FR2731693B1 (fr) * | 1995-03-16 | 1997-05-23 | Air Liquide | Procede et installation de generation d'azote pour le traitement thermique |
-
1997
- 1997-08-07 US US08/908,166 patent/US6168774B1/en not_active Expired - Fee Related
-
1998
- 1998-08-05 EP EP98114752A patent/EP0895964A1/en not_active Withdrawn
- 1998-08-05 BR BR9802845-6A patent/BR9802845A/pt unknown
-
2000
- 2000-09-18 US US09/664,391 patent/US6274102B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US6168774B1 (en) | 2001-01-02 |
EP0895964A1 (en) | 1999-02-10 |
US6274102B1 (en) | 2001-08-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |