KR870003220A - 희토류 광석의 처리방법 - Google Patents
희토류 광석의 처리방법 Download PDFInfo
- Publication number
- KR870003220A KR870003220A KR1019860007537A KR860007537A KR870003220A KR 870003220 A KR870003220 A KR 870003220A KR 1019860007537 A KR1019860007537 A KR 1019860007537A KR 860007537 A KR860007537 A KR 860007537A KR 870003220 A KR870003220 A KR 870003220A
- Authority
- KR
- South Korea
- Prior art keywords
- ore
- equal
- alkali metal
- temperature
- rare earth
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B59/00—Obtaining rare earth metals
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
- C01F17/20—Compounds containing only rare earth metals as the metal element
- C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Measurement Of Force In General (AREA)
- Adjustable Resistors (AREA)
- Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
- Processing Of Solid Wastes (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Meat, Egg Or Seafood Products (AREA)
- General Preparation And Processing Of Foods (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (9)
100~220℃의 온도 및 정압하에서 교반하며 광석을 수산화나트륨/광석의 중량비가 1이하이고 0.5와 같거나 그 이상인 양 또는 수산화칼륨/광석의 중량비가 1.4이하이고 0.7과 같거나 또는 그 이상인 양의 알칼리 금속 수산화물로 처리함을 특징으로 하는, 수산화물 형태의 희토류를 회수하기 위하여 희토류 광석을 진한 알칼리 금속 수산화물 수용액으로 처리하는 방법.
제1항에 있어서, 알칼리 금속 수산화물이 수산화나트륨임을 특징으로 하는 방법.
제2항에 있어서, 수산화나트륨/광석의 중량비가 0.80~0.95임을 특징으로 하는 방법.
제1항에 있어서, 정압이 대기압 3.106과 범위내의 압력임을 특징으로 하는 벙법.
제4항에 있어서, 정압이 대기압임을 특징으로 하는 방법.
제1항에 있어서, 온도가 130~180℃임을 특징으로 하는 방법.
제2항에 있어서, 수산화나트륨 용액의 농도가 20~65중량%임을 특징으로 하는 방법.
제1항에 있어서, 온도를 예비시험에 의해 결정된 최적값으로 결정함을 특징으로 하는 방법.
제5항에 있어서, 방법을 대기압 및 145~165℃ 범위내에서 결정된 온도에서 실시함을 특징으로 하는 방법.
※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR85/13383 | 1985-09-10 | ||
FR8513383A FR2587037A1 (fr) | 1985-09-10 | 1985-09-10 | Procede de traitement de minerais de terres rares |
Publications (1)
Publication Number | Publication Date |
---|---|
KR870003220A true KR870003220A (ko) | 1987-04-16 |
Family
ID=9322760
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019860007537A KR870003220A (ko) | 1985-09-10 | 1986-09-09 | 희토류 광석의 처리방법 |
Country Status (13)
Country | Link |
---|---|
US (1) | US4976939A (ko) |
EP (1) | EP0216688B1 (ko) |
JP (1) | JPS6260834A (ko) |
KR (1) | KR870003220A (ko) |
CN (1) | CN1016709B (ko) |
AT (1) | ATE59063T1 (ko) |
BR (1) | BR8604289A (ko) |
CA (1) | CA1284885C (ko) |
DE (1) | DE3676143D1 (ko) |
FI (1) | FI863611A (ko) |
FR (1) | FR2587037A1 (ko) |
NO (1) | NO863572L (ko) |
ZA (1) | ZA866839B (ko) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2623792B1 (fr) * | 1987-11-27 | 1991-02-15 | Rhone Poulenc Chimie | Procede de separation du thorium et des terres rares d'un concentre de fluorures de ces elements |
BR9104844A (pt) * | 1991-11-06 | 1993-05-11 | Solvay | Processo para a extracao seletiva de cerio de uma solucao aquosa de elementos de terras raras |
KR950013314B1 (ko) * | 1993-05-07 | 1995-11-02 | 주식회사엘지금속 | 폐수중 불소처리 잔사의 재처리방법 |
US5362459A (en) * | 1993-05-17 | 1994-11-08 | Pure-Etch Co. | Neodymium recovery process |
JP5262736B2 (ja) * | 2009-01-15 | 2013-08-14 | 中央電気工業株式会社 | 希土類元素の回収方法 |
KR101058567B1 (ko) | 2009-11-25 | 2011-08-23 | 한국지질자원연구원 | 모나자이트 내 희토류 추출방법 |
CN102051477B (zh) * | 2010-12-15 | 2012-07-04 | 内蒙古科技大学 | 混合型稀土精矿的氟碳铈矿与独居石矿的化学分离方法 |
CN103045851A (zh) * | 2013-01-17 | 2013-04-17 | 中国科学院长春应用化学研究所 | 一种分解包头稀土矿的工艺方法 |
WO2014113742A2 (en) | 2013-01-18 | 2014-07-24 | Rare Element Resources Ltd. | Extraction of metals from metallic compounds |
DE102013006169A1 (de) * | 2013-04-10 | 2014-10-16 | Ulrich Bruhnke | Aluminiumfreie Magnesiumlegierung |
CN103667709A (zh) * | 2013-12-12 | 2014-03-26 | 江西省钨与稀土产品质量监督检验中心(江西省钨与稀土研究院) | 一种高效回收荧光粉废料中稀土元素的方法 |
CN106145176B (zh) * | 2015-04-21 | 2019-07-16 | 永州市湘江稀土有限责任公司 | 一种碱法处理独居石的工艺 |
CN105543510A (zh) * | 2016-01-04 | 2016-05-04 | 李梅 | 一种混合型稀土精矿或独居石精矿制备氯化稀土的方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE315371C (ko) * | ||||
US2783125A (en) * | 1949-07-21 | 1957-02-26 | Produits Chim Terres Rares Soc | Treatment of monazite |
US2811411A (en) * | 1951-10-16 | 1957-10-29 | George D Calkins | Method of processing monazite sand |
US2838370A (en) * | 1952-04-09 | 1958-06-10 | George D Calkins | Recovery of uranium and thorium from aqueous solutions |
US2815264A (en) * | 1953-10-09 | 1957-12-03 | George D Calkins | Processing of monazite sand |
US3619128A (en) * | 1968-12-05 | 1971-11-09 | Stauffer Chemical Co | Method for processing rare earth fluorocarbonate ores |
JPS5842133B2 (ja) * | 1980-10-07 | 1983-09-17 | 三菱化学株式会社 | 希土類水酸化物の製造法 |
FR2515630B1 (fr) * | 1981-10-30 | 1985-10-04 | Rhone Poulenc Spec Chim | Procede d'extraction et de separation de l'uranium, du thorium et des terres rares par traitement de solutions aqueuses de chlorures de ces elements |
FR2575936B1 (fr) * | 1985-01-15 | 1987-02-13 | Rhone Poulenc Spec Chim | Procede de purification de solutions aqueuses de sels de terres rares par extraction liquide-liquide |
FR2584092B1 (fr) * | 1985-06-27 | 1987-10-23 | Pechiney Uranium | Procede de separation des terres rares et de l'uranium d'un concentre d'uf4 et de leur valorisation |
-
1985
- 1985-09-10 FR FR8513383A patent/FR2587037A1/fr not_active Withdrawn
-
1986
- 1986-09-05 CA CA000517641A patent/CA1284885C/fr not_active Expired - Fee Related
- 1986-09-08 FI FI863611A patent/FI863611A/fi not_active Application Discontinuation
- 1986-09-08 AT AT86401961T patent/ATE59063T1/de not_active IP Right Cessation
- 1986-09-08 NO NO863572A patent/NO863572L/no unknown
- 1986-09-08 BR BR8604289A patent/BR8604289A/pt unknown
- 1986-09-08 JP JP61209767A patent/JPS6260834A/ja active Pending
- 1986-09-08 DE DE8686401961T patent/DE3676143D1/de not_active Expired - Fee Related
- 1986-09-08 EP EP86401961A patent/EP0216688B1/fr not_active Expired - Lifetime
- 1986-09-09 ZA ZA866839A patent/ZA866839B/xx unknown
- 1986-09-09 CN CN86105892A patent/CN1016709B/zh not_active Expired
- 1986-09-09 KR KR1019860007537A patent/KR870003220A/ko not_active Application Discontinuation
-
1990
- 1990-05-03 US US07/518,340 patent/US4976939A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ZA866839B (en) | 1987-05-27 |
BR8604289A (pt) | 1987-05-05 |
DE3676143D1 (de) | 1991-01-24 |
AU590791B2 (en) | 1989-11-16 |
FR2587037A1 (fr) | 1987-03-13 |
AU6243986A (en) | 1987-03-12 |
CN86105892A (zh) | 1987-03-18 |
NO863572D0 (no) | 1986-09-08 |
ATE59063T1 (de) | 1990-12-15 |
FI863611A0 (fi) | 1986-09-08 |
CA1284885C (fr) | 1991-06-18 |
EP0216688B1 (fr) | 1990-12-12 |
NO863572L (no) | 1987-03-11 |
FI863611A (fi) | 1987-03-11 |
JPS6260834A (ja) | 1987-03-17 |
CN1016709B (zh) | 1992-05-20 |
US4976939A (en) | 1990-12-11 |
EP0216688A1 (fr) | 1987-04-01 |
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A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E601 | Decision to refuse application |