BR0114467A - Processo de descontaminação de gesso - Google Patents
Processo de descontaminação de gessoInfo
- Publication number
- BR0114467A BR0114467A BR0114467-7A BR0114467A BR0114467A BR 0114467 A BR0114467 A BR 0114467A BR 0114467 A BR0114467 A BR 0114467A BR 0114467 A BR0114467 A BR 0114467A
- Authority
- BR
- Brazil
- Prior art keywords
- phosphogypsum
- radioactive
- providing
- decontamination solution
- cells
- Prior art date
Links
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
- G21F9/30—Processing
-
- 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
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/46—Sulfates
- C01F11/468—Purification of calcium sulfates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Processing Of Solid Wastes (AREA)
- Detergent Compositions (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US67990000A | 2000-10-05 | 2000-10-05 | |
PCT/US2001/027755 WO2002060817A1 (en) | 2000-10-05 | 2001-10-05 | Gypsum decontamination process |
Publications (2)
Publication Number | Publication Date |
---|---|
BR0114467A true BR0114467A (pt) | 2003-12-30 |
BR0114467B1 BR0114467B1 (pt) | 2010-11-03 |
Family
ID=24728847
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0114467-7A BR0114467B1 (pt) | 2000-10-05 | 2001-10-05 | processo para reduzir um nìvel de radionúcleos em um material de fosfogesso tendo um contaminante radioativo. |
Country Status (6)
Country | Link |
---|---|
US (1) | US7118718B2 (pt) |
AU (1) | AU2002249752B2 (pt) |
BR (1) | BR0114467B1 (pt) |
MA (1) | MA25921A1 (pt) |
MX (1) | MXPA03002981A (pt) |
WO (1) | WO2002060817A1 (pt) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6595723B2 (en) * | 2001-08-31 | 2003-07-22 | Peter J. Ianniello | Conversion of gypsum stacks to waste containment facilities and related construction and business methods |
US7585485B2 (en) | 2006-07-03 | 2009-09-08 | Tripoliven, C.A. | Process for the physiochemical conditioning of chemical gypsum or phospho-gypsum for use in formulation for cement and other construction materials |
US20090050025A1 (en) * | 2007-08-21 | 2009-02-26 | Tetra Tech, Inc. | Use of Encapsulated Water Soluble Material as a Construction Material |
CN101468287B (zh) * | 2007-12-28 | 2011-05-25 | 上海融新能源环境科技有限公司 | 石膏冲洗水箱 |
KR100949671B1 (ko) | 2008-07-22 | 2010-03-29 | 한국원자력연구원 | 인석고 중 라듐핵종의 제염처리 방법 |
US8182698B2 (en) * | 2010-06-30 | 2012-05-22 | Arr-Maz Custom Chemicals, Inc. | Method for improving gypsum/phosphoric acid slurry filtration using carboxymethyl cellulose |
CN113912102B (zh) * | 2021-09-29 | 2024-07-02 | 福建理工大学 | 一种钛石膏高效提纯装置 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2218382C3 (de) * | 1972-04-15 | 1975-08-21 | Gebrueder Giulini Gmbh, 6700 Ludwigshafen | Verfahren zur Herstellung von reinem Calciumsulfat beim Phosphorsäurenaßaufschluß |
US4113835A (en) | 1972-07-06 | 1978-09-12 | Veba-Chemie Aktiengesellschaft | Process for preparing pure synthetic calcium sulfate semihydrate |
JPS5241238A (en) | 1975-09-25 | 1977-03-30 | Ajinomoto Co Inc | Insect attractant composition |
US4146568A (en) | 1977-08-01 | 1979-03-27 | Olin Corporation | Process for reducing radioactive contamination in waste product gypsum |
US4246019A (en) | 1979-02-21 | 1981-01-20 | Sokolov Igor D | Method of producing a complex mineral fertilizer |
DE3003088A1 (de) | 1980-01-29 | 1981-07-30 | Alkem Gmbh, 6450 Hanau | Verfahren zur reinigung einer salpetersauren u/pu-loesung |
DE3021839A1 (de) * | 1980-06-11 | 1981-12-24 | Chemische Werke Hüls AG, 4370 Marl | Verfahren zur verminderung der radioaktivitaet von aus phosphoriten hergestelltem calciumsulfat |
NL8004058A (nl) * | 1980-07-15 | 1982-02-16 | Stamicarbon | Werkwijze voor het bereiden van fosforzuur en calciumsulfaatanhydriet, alsmede fosforzuur en calciumsulfaatanhydriet verkregen volgens deze werkwijze. |
NL8006946A (nl) * | 1980-12-20 | 1982-07-16 | Stamicarbon | Werkwijze voor het winnen van praktisch radiumvrij calciumsulfaat, yttrium en lanthaniden, alsmede calciumsulfaat, yttrium en lanthaniden verkregen volgens deze werkwijze. |
US4388292A (en) * | 1981-12-14 | 1983-06-14 | United States Gypsum Company | Process for reducing radioactive contamination in phosphogypsum |
US4421731A (en) * | 1982-09-29 | 1983-12-20 | United States Gypsum Company | Process for purifying phosphogypsum |
US5045240A (en) | 1989-05-01 | 1991-09-03 | Westinghouse Electric Corp. | Contaminated soil restoration method |
-
2001
- 2001-10-05 AU AU2002249752A patent/AU2002249752B2/en not_active Ceased
- 2001-10-05 WO PCT/US2001/027755 patent/WO2002060817A1/en active IP Right Grant
- 2001-10-05 MX MXPA03002981A patent/MXPA03002981A/es active IP Right Grant
- 2001-10-05 BR BRPI0114467-7A patent/BR0114467B1/pt not_active IP Right Cessation
- 2001-10-05 US US10/240,733 patent/US7118718B2/en not_active Expired - Fee Related
-
2003
- 2003-05-02 MA MA27137A patent/MA25921A1/fr unknown
Also Published As
Publication number | Publication date |
---|---|
BR0114467B1 (pt) | 2010-11-03 |
AU2002249752B2 (en) | 2007-05-17 |
US7118718B2 (en) | 2006-10-10 |
US20030163014A1 (en) | 2003-08-28 |
MXPA03002981A (es) | 2004-12-06 |
MA25921A1 (fr) | 2003-10-01 |
WO2002060817A1 (en) | 2002-08-08 |
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Legal Events
Date | Code | Title | Description |
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B06G | Technical and formal requirements: other requirements [chapter 6.7 patent gazette] |
Free format text: ESCLARECER A DIVERGENCIA ENTRE OS NOMES DOS INVENTORES CITADOS NO FORMULARIO DE DEPOSITO DA FASE NACIONAL E AQUELES 3 (TRES) CITADOS NA PET. 30766 (RJ), DE 06/06/2003, COMO "CEDENDO DIREITOS DO PCT E DA PRIORIDADE US REIVINDICADA", SEM, TODAVIA, FAZEREM PARTE DO ROL DOS INVENTORES CITADOS NO DEPOSITO E NA DOCUMENTACAO INTERNACIONAL. |
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B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 05/10/2001, OBSERVADAS AS CONDICOES LEGAIS. |
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B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE A 15A ANUIDADE. |
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B24D | Patent annual fee: restoration after fee payment | ||
B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
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B24J | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12) |
Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2534 DE 30-07-2019 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |