ZA922753B - Removal of radioactivity from zircon - Google Patents
Removal of radioactivity from zirconInfo
- Publication number
- ZA922753B ZA922753B ZA922753A ZA922753A ZA922753B ZA 922753 B ZA922753 B ZA 922753B ZA 922753 A ZA922753 A ZA 922753A ZA 922753 A ZA922753 A ZA 922753A ZA 922753 B ZA922753 B ZA 922753B
- Authority
- ZA
- South Africa
- Prior art keywords
- pct
- silica
- zircon
- radionuclides
- sec
- Prior art date
Links
- 229910052845 zircon Inorganic materials 0.000 title abstract 3
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 title abstract 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 6
- 238000000034 method Methods 0.000 abstract 5
- 239000000377 silicon dioxide Substances 0.000 abstract 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract 2
- 239000000654 additive Substances 0.000 abstract 2
- 238000002386 leaching Methods 0.000 abstract 2
- 239000007787 solid Substances 0.000 abstract 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 150000007513 acids Chemical class 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 230000004907 flux Effects 0.000 abstract 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000011707 mineral Substances 0.000 abstract 1
- 238000006386 neutralization reaction Methods 0.000 abstract 1
- 150000007524 organic acids Chemical class 0.000 abstract 1
- 235000005985 organic acids Nutrition 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 239000007921 spray Substances 0.000 abstract 1
- 230000000087 stabilizing effect Effects 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 238000011282 treatment Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/28—Treating solids
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/28—Treating solids
- G21F9/30—Processing
- G21F9/32—Processing by incineration
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Environmental & Geological Engineering (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Extraction Or Liquid Replacement (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AUPK558691 | 1991-04-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA922753B true ZA922753B (en) | 1992-12-30 |
Family
ID=3775338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA922753A ZA922753B (en) | 1991-04-15 | 1992-04-15 | Removal of radioactivity from zircon |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US5478538A (xx) |
| EP (1) | EP0582598B1 (xx) |
| JP (1) | JPH06506536A (xx) |
| CN (1) | CN1049065C (xx) |
| AT (1) | ATE155277T1 (xx) |
| AU (1) | AU670028B2 (xx) |
| CA (1) | CA2108372C (xx) |
| DE (1) | DE69220790D1 (xx) |
| MY (1) | MY109384A (xx) |
| PH (1) | PH31074A (xx) |
| WO (1) | WO1992018985A1 (xx) |
| ZA (1) | ZA922753B (xx) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1126463A (zh) * | 1993-06-30 | 1996-07-10 | 技术资源有限公司 | 氧化锆基乳浊剂 |
| US7928029B2 (en) * | 2007-02-20 | 2011-04-19 | Corning Incorporated | Refractory ceramic composite and method of making |
| KR101289231B1 (ko) * | 2011-12-16 | 2013-07-29 | 재단법인 포항산업과학연구원 | 방사성 원소 함량이 낮은 지르콘 정광의 제조방법 |
| CN104789392A (zh) * | 2015-04-08 | 2015-07-22 | 武汉网绿环境技术咨询有限公司 | 一种去除放射性核素的清洗剂及其使用方法 |
| CN113429224B (zh) * | 2021-05-14 | 2022-10-04 | 中国工程物理研究院材料研究所 | 一种碳材料的表面刻蚀方法 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2036220A (en) * | 1933-05-27 | 1936-04-07 | Titanium Alloy Mfg Co | Method of producing zirconium silicate |
| US2387046A (en) * | 1941-07-31 | 1945-10-16 | Titanium Alloy Mfg Co | Preparation of zirconium dioxide |
| US2294431A (en) * | 1941-07-31 | 1942-09-01 | Titanium Alloy Mfg Co | Purification of zirconium compounds |
| US2578748A (en) * | 1946-03-25 | 1951-12-18 | Sylvester & Company | Recovery of metallic oxides such as zirconia |
| US2721117A (en) * | 1951-09-29 | 1955-10-18 | Zirconium Corp Of America | Production of calcium zirconate |
| DE1294947B (de) * | 1962-05-08 | 1969-05-14 | Degussa | Verfahren zum Aufschliessen von Zirkonsand |
| US3413082A (en) * | 1962-11-13 | 1968-11-26 | Pittsburgh Plate Glass Co | Process for recovering zr-values from ores |
| US4067953A (en) * | 1972-02-15 | 1978-01-10 | Etienne Roux | Process for upgrading ores containing baddeleyite |
| US3832441A (en) * | 1973-07-16 | 1974-08-27 | R Schoenlaub | Method of manufacturing zirconium oxide and salts |
| DE2554651C2 (de) * | 1975-12-05 | 1983-07-14 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zum Abtrennen radioaktiver Verunreinigungen aus Baddeleyit |
| DE2613537A1 (de) * | 1976-03-30 | 1977-10-13 | Wiederaufarbeitung Von Kernbre | Verfahren zur konditionierung von metallischen, aus zirkonium oder zirkoniumlegierungen bestehenden huelsenabfaellen aus der aufarbeitung bestrahlter kernreaktor-brennelemente zur umweltschuetzenden endlagerung |
| US4146568A (en) * | 1977-08-01 | 1979-03-27 | Olin Corporation | Process for reducing radioactive contamination in waste product gypsum |
| ZA899462B (en) * | 1988-12-19 | 1990-09-26 | Wimmera Ind Minerals Proprieta | Improving the quality of heavy mineral concentrates |
| US5039336A (en) * | 1988-12-30 | 1991-08-13 | Westinghouse Electric Corp. | Recovery of scandium, yttrium and lanthanides from zircon sand |
| JP2633000B2 (ja) * | 1989-01-28 | 1997-07-23 | 動力炉・核燃料開発事業団 | 高放射性廃棄物の処理方法 |
-
1992
- 1992-04-14 MY MYPI92000634A patent/MY109384A/en unknown
- 1992-04-15 DE DE69220790T patent/DE69220790D1/de not_active Expired - Lifetime
- 1992-04-15 JP JP4508371A patent/JPH06506536A/ja active Pending
- 1992-04-15 CN CN92102659A patent/CN1049065C/zh not_active Expired - Fee Related
- 1992-04-15 EP EP92908991A patent/EP0582598B1/en not_active Expired - Lifetime
- 1992-04-15 AT AT92908991T patent/ATE155277T1/de active
- 1992-04-15 CA CA002108372A patent/CA2108372C/en not_active Expired - Lifetime
- 1992-04-15 AU AU16612/92A patent/AU670028B2/en not_active Expired
- 1992-04-15 WO PCT/AU1992/000168 patent/WO1992018985A1/en not_active Ceased
- 1992-04-15 ZA ZA922753A patent/ZA922753B/xx unknown
- 1992-11-15 US US08/133,209 patent/US5478538A/en not_active Expired - Lifetime
-
1993
- 1993-01-07 PH PH45534A patent/PH31074A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0582598A1 (en) | 1994-02-16 |
| CA2108372C (en) | 2002-06-11 |
| JPH06506536A (ja) | 1994-07-21 |
| EP0582598B1 (en) | 1997-07-09 |
| WO1992018985A1 (en) | 1992-10-29 |
| EP0582598A4 (xx) | 1994-03-23 |
| CA2108372A1 (en) | 1992-10-16 |
| CN1049065C (zh) | 2000-02-02 |
| US5478538A (en) | 1995-12-26 |
| PH31074A (en) | 1998-02-05 |
| CN1068213A (zh) | 1993-01-20 |
| DE69220790D1 (de) | 1997-08-14 |
| ATE155277T1 (de) | 1997-07-15 |
| AU1661292A (en) | 1992-11-17 |
| AU670028B2 (en) | 1996-07-04 |
| MY109384A (en) | 1997-01-31 |
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