BR9002521A - Processo e aparelhagem para a producao a partir de ar,um gas que e substancialmente isento de oxigenio nao-combinado,dispositivo para reducao ulterior do teor de oxigenio de ar de teor reduzido de oxigenio e processo de aquecimento de material contendo um metal - Google Patents
Processo e aparelhagem para a producao a partir de ar,um gas que e substancialmente isento de oxigenio nao-combinado,dispositivo para reducao ulterior do teor de oxigenio de ar de teor reduzido de oxigenio e processo de aquecimento de material contendo um metalInfo
- Publication number
- BR9002521A BR9002521A BR909002521A BR9002521A BR9002521A BR 9002521 A BR9002521 A BR 9002521A BR 909002521 A BR909002521 A BR 909002521A BR 9002521 A BR9002521 A BR 9002521A BR 9002521 A BR9002521 A BR 9002521A
- Authority
- BR
- Brazil
- Prior art keywords
- oxygen content
- metal
- gas
- production
- equipment
- Prior art date
Links
Classifications
-
- 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
- B01J19/14—Production of inert gas mixtures; Use of inert gases in general
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Processing Of Solid Wastes (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Separation Of Gases By Adsorption (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA600923 | 1989-05-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9002521A true BR9002521A (pt) | 1991-08-13 |
Family
ID=4140118
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR909002521A BR9002521A (pt) | 1989-05-29 | 1990-05-29 | Processo e aparelhagem para a producao a partir de ar,um gas que e substancialmente isento de oxigenio nao-combinado,dispositivo para reducao ulterior do teor de oxigenio de ar de teor reduzido de oxigenio e processo de aquecimento de material contendo um metal |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0400924A3 (pt) |
JP (1) | JPH0365237A (pt) |
AU (1) | AU628981B2 (pt) |
BR (1) | BR9002521A (pt) |
NO (1) | NO902377L (pt) |
NZ (1) | NZ233848A (pt) |
ZA (1) | ZA904117B (pt) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106801878A (zh) * | 2015-11-26 | 2017-06-06 | 上海华林工业气体有限公司 | 一种节约冷火炬吹扫氮气的hyco系统 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB796890A (en) * | 1955-11-16 | 1958-06-18 | British Oxygen Co Ltd | Controlled atmospheres for the heat treatment of steels |
JPS5989715A (ja) * | 1982-11-15 | 1984-05-24 | Toho Gas Kk | 無酸化熱処理炉に対する無酸化ガス供給量制御装置 |
JPS6210216A (ja) * | 1985-07-08 | 1987-01-19 | Hitachi Ltd | 密閉型圧縮機用電磁鋼板の無酸化焼鈍処理装置 |
US4959100A (en) * | 1987-12-22 | 1990-09-25 | Alcan International Limited | Recovery of non-ferrous metals from dross |
-
1990
- 1990-05-25 EP EP19900305739 patent/EP0400924A3/en not_active Withdrawn
- 1990-05-29 ZA ZA904117A patent/ZA904117B/xx unknown
- 1990-05-29 NO NO90902377A patent/NO902377L/no unknown
- 1990-05-29 JP JP2141242A patent/JPH0365237A/ja active Pending
- 1990-05-29 BR BR909002521A patent/BR9002521A/pt not_active Application Discontinuation
- 1990-05-29 NZ NZ233848A patent/NZ233848A/en unknown
- 1990-05-29 AU AU56086/90A patent/AU628981B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
EP0400924A2 (en) | 1990-12-05 |
AU5608690A (en) | 1990-11-29 |
NZ233848A (en) | 1992-03-26 |
NO902377L (no) | 1990-12-03 |
AU628981B2 (en) | 1992-09-24 |
ZA904117B (en) | 1991-06-26 |
NO902377D0 (no) | 1990-05-29 |
JPH0365237A (ja) | 1991-03-20 |
EP0400924A3 (en) | 1992-04-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD3 | Appl. lapsed due to non-payment of renewal fee |