JPS56149330A - Manufacture of very fine iron oxide powder - Google Patents
Manufacture of very fine iron oxide powderInfo
- Publication number
- JPS56149330A JPS56149330A JP5169280A JP5169280A JPS56149330A JP S56149330 A JPS56149330 A JP S56149330A JP 5169280 A JP5169280 A JP 5169280A JP 5169280 A JP5169280 A JP 5169280A JP S56149330 A JPS56149330 A JP S56149330A
- Authority
- JP
- Japan
- Prior art keywords
- contg
- exhaust gas
- gas
- iron oxide
- flame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
PURPOSE: To efficiently manufacture very finely powdered iron oxide by introducing iron chloride vapor into an oxyhydrogen flame generated from an oxyhydrogen burner to hydrolyze the vapor at a high temp., introducing an H2-contg. gas into the combustion exhaust gas in a predetermined temp. range, and cooling the exhaust gas.
CONSTITUTION: An O2-contg. gas and H2-contg. fuel are fed to a burner, ignited, and burned to generate an oxyhydrogen flame. Iron chloride vapor is introduced into the flame and hydrolyzed in a hot state with H2O produced in the flame. When the combustion exhaust gas contg. the resulting ferric oxide and gaseous Cl2 is cooled to 550W350°C, an H2-contg. gas is introduced into the exhaust gas to convert the gaseous Cl2 into HCl. Thus, the iron oxide is not chlorinated with gaseous Cl2 and is obtd. in a very finely powdered state. It is then separated and collected by an ordinary method with a bag filter or the like.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5169280A JPS5951497B2 (en) | 1980-04-21 | 1980-04-21 | Method for producing ultrafine iron oxide powder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5169280A JPS5951497B2 (en) | 1980-04-21 | 1980-04-21 | Method for producing ultrafine iron oxide powder |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56149330A true JPS56149330A (en) | 1981-11-19 |
JPS5951497B2 JPS5951497B2 (en) | 1984-12-14 |
Family
ID=12893945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5169280A Expired JPS5951497B2 (en) | 1980-04-21 | 1980-04-21 | Method for producing ultrafine iron oxide powder |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5951497B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4765920A (en) * | 1986-07-14 | 1988-08-23 | Cabot Corporation | High temperature process for producing fine magnetic particles of M-phase structure |
US4777031A (en) * | 1986-07-14 | 1988-10-11 | Cadot Corporation | High temperature process for making fine magnetic particles |
US8062406B2 (en) | 2004-12-22 | 2011-11-22 | Taiyo Nippon Sanso Corporation | Process for producing metallic ultrafine powder |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01297240A (en) * | 1988-05-26 | 1989-11-30 | Daicel Chem Ind Ltd | Hygroscopic laminated film |
-
1980
- 1980-04-21 JP JP5169280A patent/JPS5951497B2/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4765920A (en) * | 1986-07-14 | 1988-08-23 | Cabot Corporation | High temperature process for producing fine magnetic particles of M-phase structure |
US4777031A (en) * | 1986-07-14 | 1988-10-11 | Cadot Corporation | High temperature process for making fine magnetic particles |
US8062406B2 (en) | 2004-12-22 | 2011-11-22 | Taiyo Nippon Sanso Corporation | Process for producing metallic ultrafine powder |
Also Published As
Publication number | Publication date |
---|---|
JPS5951497B2 (en) | 1984-12-14 |
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