KR920016348A - 고순도 산화철 및 그 제조방법 - Google Patents
고순도 산화철 및 그 제조방법 Download PDFInfo
- Publication number
- KR920016348A KR920016348A KR1019920001479A KR920001479A KR920016348A KR 920016348 A KR920016348 A KR 920016348A KR 1019920001479 A KR1019920001479 A KR 1019920001479A KR 920001479 A KR920001479 A KR 920001479A KR 920016348 A KR920016348 A KR 920016348A
- Authority
- KR
- South Korea
- Prior art keywords
- wet
- high purity
- iron oxide
- grinding
- magnetic
- Prior art date
Links
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 title claims description 16
- 238000004519 manufacturing process Methods 0.000 title claims 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 238000000034 method Methods 0.000 claims 7
- 239000012535 impurity Substances 0.000 claims 3
- 239000002245 particle Substances 0.000 claims 2
- 239000000843 powder Substances 0.000 claims 2
- 239000007858 starting material Substances 0.000 claims 2
- 238000001238 wet grinding Methods 0.000 claims 2
- 229910004298 SiO 2 Inorganic materials 0.000 claims 1
- 238000009837 dry grinding Methods 0.000 claims 1
- 238000010304 firing Methods 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 238000009736 wetting Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/02—Oxides; Hydroxides
- C01G49/06—Ferric oxide [Fe2O3]
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/0018—Mixed oxides or hydroxides
- C01G49/0036—Mixed oxides or hydroxides containing one alkaline earth metal, magnesium or lead
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/02—Oxides; Hydroxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/42—Magnetic properties
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Compounds Of Iron (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 실시예 1에 있어서의 철광석에서 산화철을 제조하는 공정을 나타낸 도이다. 제2도는, 실시예 2에 있어서의, 철광석에서 산화철을 제조하는 공정을 나타낸 도이다. 제3도는, 실시예 3에 있어서의, 철광석에서 산화철을 제조하는 공정을 나타낸 도이다.
Claims (5)
- 철광석을 출발원료로 하고, 습식 또는 건식의 분쇄, 분급공정을 거쳐서 습식자력 선광수단에 의하여 불순물을 제거하여 얻어진 SiO2함유량 0.15% 이하, Al203함유량 0.1%이하의 고순도 산화철.
- 철광석을 평균입경 20~150㎛의 범위로 분쇄하고, 이어서 미립분을 제거한 후, 1000~15000가우스의 자장 강도를 갖는 습식자력선광 수단에 의하여 불순물을 제거하는 것을 특징으로 하는 고순도 산화철의 제조방법.
- 철광석을 출발원료로 하고, 분쇄-분급-습식자력선광 공정을 경유하고, 이어서, 습식분쇄 수단과 습식 사이클론과의 조합에 의한 제2차 분쇄-분급-처리 공정을 경유하고, 다시 소성 공정을 경유하는 것을 특징으로 하느 미립 고순도 산화철의 제조방법.
- 제3항에 있어서,상기 분쇄-분급-습식 자력선광 공정이, 철광석을 평균입경 20~150㎛의 범위로 분쇄하고, 이어서, 미립분을 제거한후, 1000~15000가우스의 자장강도를 갖는 습식 자력선광 수단에 의하여 불순물을 제거하는 공정인 것을 특징으로 하는 고순도 산화철의 제조방법.
- 제3 또는 4항에 있어서, 상기 제2차 분쇄-분급처리 공정이, 습식분쇄기와, 직경 25~72mm의 습식 사이클론과의 조합에 의하여 실시하는 것이고, 상기 건조소성 공정이 200C이상의 산화분위기에서 실시되는 것을 특징으로 하는 미립 고순도 산화철의 제조방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3100547A JPH04254417A (ja) | 1991-02-05 | 1991-02-05 | 微粒高純度酸化鉄の製造方法 |
JP91-100547 | 1991-02-05 | ||
JP91-100548 | 1991-02-05 | ||
JP3100548A JPH04254418A (ja) | 1991-02-05 | 1991-02-05 | 高純度酸化鉄及びその製造方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR920016348A true KR920016348A (ko) | 1992-09-24 |
Family
ID=26441557
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019920001479A KR920016348A (ko) | 1991-02-05 | 1992-01-31 | 고순도 산화철 및 그 제조방법 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5316746A (ko) |
EP (1) | EP0502612B1 (ko) |
KR (1) | KR920016348A (ko) |
CN (1) | CN1030187C (ko) |
DE (1) | DE69206448T2 (ko) |
TW (1) | TW234725B (ko) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3436447B2 (ja) * | 1995-08-11 | 2003-08-11 | 新東工業株式会社 | 酸化鉄粉の嵩密度向上方法 |
CA2304266A1 (en) | 1999-04-02 | 2000-10-02 | Norman L. Arrison | Apparatus and process for separating fluids and particles |
CA2453005A1 (fr) * | 2003-12-17 | 2005-06-17 | Fermag Inc. | Procede hydrometallurgique de separation des poussieres d`acieries utilisant un four a arc et pigments obtenus par le procede |
US8016935B2 (en) * | 2005-06-17 | 2011-09-13 | Ferrinov Inc. | Anti-corrosion pigments coming from dust of an electric arc furnace and containing sacrificial calcium |
BR112012005618B1 (pt) * | 2009-10-28 | 2020-03-10 | Magglobal, Llc | Dispositivo de separação magnética |
WO2012145658A1 (en) | 2011-04-20 | 2012-10-26 | Magnetation, Inc. | Iron ore separation device |
AU2013334500C1 (en) | 2012-10-26 | 2019-03-07 | Vale S.A. | Iron ore concentration process with grinding circuit, dry desliming and dry or mixed (dry and wet) concentration |
JP5772869B2 (ja) * | 2013-04-24 | 2015-09-02 | 住友金属鉱山株式会社 | 製鉄用ヘマタイトの製造方法 |
JP5679372B2 (ja) | 2013-07-03 | 2015-03-04 | 住友金属鉱山株式会社 | 製鉄用ヘマタイトの製造方法 |
JP5776913B2 (ja) | 2014-01-17 | 2015-09-09 | 住友金属鉱山株式会社 | 製鉄用ヘマタイトの製造方法 |
CN103949339A (zh) * | 2014-05-12 | 2014-07-30 | 长沙矿冶研究院有限责任公司 | 一种回收钒钛磁铁矿中铁和钛的方法 |
CN105399143B (zh) * | 2015-12-15 | 2018-05-11 | 上海宝钢磁业有限公司 | 一种磷酸铁锂用氧化铁红及其制备方法及应用 |
CN106634830A (zh) * | 2016-11-21 | 2017-05-10 | 贵州三山研磨有限公司 | 一种棕刚玉磨料生产方法及其段砂装置 |
US11103876B2 (en) * | 2017-07-18 | 2021-08-31 | Best Process Solutions, Inc. | Incinerator ash wet processing |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3007775A (en) * | 1958-11-14 | 1961-11-07 | Int Nickel Co | Production of ferric oxide |
US3672579A (en) * | 1970-08-10 | 1972-06-27 | Univ Minnesota | Process for beneficiating magnetite iron ore |
US4133677A (en) * | 1976-04-05 | 1979-01-09 | Toda Kogyo Corp. | Process for producing acicular magnetic metallic particle powder |
JPS5676510A (en) * | 1979-11-28 | 1981-06-24 | Tdk Corp | Manufacture of magnetic recording material |
JPS5686646A (en) * | 1979-12-18 | 1981-07-14 | Tomio Ino | Refining method of molding sand |
US4319988A (en) * | 1980-05-05 | 1982-03-16 | Halomet, Incorporated | Separation of high grade magnetite from fly ash |
DE3022875A1 (de) * | 1980-06-19 | 1982-01-14 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von eisenoxidpigmenten mit verbesserter reinheit sowie deren verwendung |
JPS57181554A (en) * | 1981-04-30 | 1982-11-09 | Kanto Denka Kogyo Kk | Magnetic powder for electrophotographic magnetic toner and its manufacture |
JPS57205324A (en) * | 1981-06-10 | 1982-12-16 | Shoei Insatsu Kk | Manufacture of powder of hard oxide-base magnetic material |
JPS6125157A (ja) * | 1984-07-13 | 1986-02-04 | Hitachi Metals Ltd | 静電荷像現像剤用キヤリア |
JPS6236025A (ja) * | 1985-08-07 | 1987-02-17 | Sumitomo Metal Ind Ltd | フェライト用酸化鉄の製造方法 |
JPS61238901A (ja) * | 1985-04-15 | 1986-10-24 | Kawasaki Steel Corp | 強磁性粉末 |
JP2672985B2 (ja) * | 1988-10-17 | 1997-11-05 | ケミライト工業株式会社 | 鉄とマンガンを含有する精製溶液およびその製造方法 |
-
1992
- 1992-01-31 KR KR1019920001479A patent/KR920016348A/ko not_active Application Discontinuation
- 1992-02-03 CN CN92101423A patent/CN1030187C/zh not_active Expired - Fee Related
- 1992-02-04 EP EP92300958A patent/EP0502612B1/en not_active Expired - Lifetime
- 1992-02-04 DE DE69206448T patent/DE69206448T2/de not_active Expired - Fee Related
- 1992-02-11 TW TW081100932A patent/TW234725B/zh active
-
1993
- 1993-04-16 US US08/048,968 patent/US5316746A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0502612A2 (en) | 1992-09-09 |
EP0502612A3 (en) | 1993-05-19 |
DE69206448D1 (de) | 1996-01-18 |
EP0502612B1 (en) | 1995-12-06 |
CN1030187C (zh) | 1995-11-01 |
DE69206448T2 (de) | 1996-08-01 |
CN1064853A (zh) | 1992-09-30 |
US5316746A (en) | 1994-05-31 |
TW234725B (ko) | 1994-11-21 |
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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 |