KR890008033A - Manufacturing method of high purity iron oxide for soft and ferrite using steel acid washing waste liquid - Google Patents
Manufacturing method of high purity iron oxide for soft and ferrite using steel acid washing waste liquid Download PDFInfo
- Publication number
- KR890008033A KR890008033A KR870013394A KR870013394A KR890008033A KR 890008033 A KR890008033 A KR 890008033A KR 870013394 A KR870013394 A KR 870013394A KR 870013394 A KR870013394 A KR 870013394A KR 890008033 A KR890008033 A KR 890008033A
- Authority
- KR
- South Korea
- Prior art keywords
- iron oxide
- manufacturing
- high purity
- soft
- ferrite
- Prior art date
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Abstract
내용 없음No content
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR870013394A KR890008033A (en) | 1987-11-27 | 1987-11-27 | Manufacturing method of high purity iron oxide for soft and ferrite using steel acid washing waste liquid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR870013394A KR890008033A (en) | 1987-11-27 | 1987-11-27 | Manufacturing method of high purity iron oxide for soft and ferrite using steel acid washing waste liquid |
Publications (1)
Publication Number | Publication Date |
---|---|
KR890008033A true KR890008033A (en) | 1989-07-08 |
Family
ID=68459773
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR870013394A KR890008033A (en) | 1987-11-27 | 1987-11-27 | Manufacturing method of high purity iron oxide for soft and ferrite using steel acid washing waste liquid |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR890008033A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100416665B1 (en) * | 2001-04-16 | 2004-01-31 | 한국지질자원연구원 | Preparation of iron oxide catalyst with iron oxide waste from Iron Steel Company |
-
1987
- 1987-11-27 KR KR870013394A patent/KR890008033A/en not_active Application Discontinuation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100416665B1 (en) * | 2001-04-16 | 2004-01-31 | 한국지질자원연구원 | Preparation of iron oxide catalyst with iron oxide waste from Iron Steel Company |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E601 | Decision to refuse application |