JPS6257576B2 - - Google Patents

Info

Publication number: JPS6257576B2
Authority: JP; Japan
Prior art keywords: alumina; uranium; thorium; mineral acid; particles
Prior art date: 1980-05-01
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

JP5706480A

Other languages

English (en)

Japanese (ja)

Other versions

JPS56155017A (en

Inventor

Shigeaki Shioda

Tsutomu Matsuki

Soichi Kazama

Akira Sakamoto

Kotaro Hirayanagi

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Resonac Holdings Corp

Original Assignee

Showa Denko KK

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1980-05-01

Filing date

1980-05-01

Publication date

1987-12-01

1980-05-01 Application filed by Showa Denko KK filed Critical Showa Denko KK

1980-05-01 Priority to JP5706480A priority Critical patent/JPS56155017A/ja

1981-12-01 Publication of JPS56155017A publication Critical patent/JPS56155017A/ja

1987-12-01 Publication of JPS6257576B2 publication Critical patent/JPS6257576B2/ja

Status Granted legal-status Critical Current

Links

PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 87
229910052500 inorganic mineral Inorganic materials 0.000 claims description 34
239000011707 mineral Substances 0.000 claims description 34
239000002245 particle Substances 0.000 claims description 34
239000002253 acid Substances 0.000 claims description 32
238000004519 manufacturing process Methods 0.000 claims description 13
WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 8
230000002285 radioactive effect Effects 0.000 claims description 8
229910052770 Uranium Inorganic materials 0.000 description 38
JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 38
229910052776 Thorium Inorganic materials 0.000 description 31
235000010755 mineral Nutrition 0.000 description 31
ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 30
238000000034 method Methods 0.000 description 18
239000002994 raw material Substances 0.000 description 14
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
238000010304 firing Methods 0.000 description 11
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 8
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
229910017604 nitric acid Inorganic materials 0.000 description 8
239000004065 semiconductor Substances 0.000 description 8
239000000463 material Substances 0.000 description 7
229910052814 silicon oxide Inorganic materials 0.000 description 7
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
239000000654 additive Substances 0.000 description 6
KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 6
239000004327 boric acid Substances 0.000 description 6
230000008569 process Effects 0.000 description 6
IRPGOXJVTQTAAN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanal Chemical compound FC(F)(F)C(F)(F)C=O IRPGOXJVTQTAAN-UHFFFAOYSA-N 0.000 description 5
KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminum fluoride Inorganic materials F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 5
238000010306 acid treatment Methods 0.000 description 5
230000000996 additive effect Effects 0.000 description 4
238000006243 chemical reaction Methods 0.000 description 4
230000000694 effects Effects 0.000 description 4
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
150000007513 acids Chemical class 0.000 description 3
229910001570 bauxite Inorganic materials 0.000 description 3
238000007654 immersion Methods 0.000 description 3
230000005855 radiation Effects 0.000 description 3
229910052767 actinium Inorganic materials 0.000 description 2
230000005260 alpha ray Effects 0.000 description 2
ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 2
238000004458 analytical method Methods 0.000 description 2
238000001354 calcination Methods 0.000 description 2
239000013078 crystal Substances 0.000 description 2
KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 2
230000010354 integration Effects 0.000 description 2
239000007788 liquid Substances 0.000 description 2
239000000203 mixture Substances 0.000 description 2
229910052863 mullite Inorganic materials 0.000 description 2
239000000843 powder Substances 0.000 description 2
239000000047 product Substances 0.000 description 2
238000007873 sieving Methods 0.000 description 2
239000000377 silicon dioxide Substances 0.000 description 2
229910001388 sodium aluminate Inorganic materials 0.000 description 2
239000000126 substance Substances 0.000 description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
238000004131 Bayer process Methods 0.000 description 1
229910052774 Proactinium Inorganic materials 0.000 description 1
229910004298 SiO 2 Inorganic materials 0.000 description 1
XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
230000002159 abnormal effect Effects 0.000 description 1
QQINRWTZWGJFDB-UHFFFAOYSA-N actinium atom Chemical compound [Ac] QQINRWTZWGJFDB-UHFFFAOYSA-N 0.000 description 1
239000003990 capacitor Substances 0.000 description 1
239000000919 ceramic Substances 0.000 description 1
230000008859 change Effects 0.000 description 1
238000004140 cleaning Methods 0.000 description 1
238000000576 coating method Methods 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
238000001816 cooling Methods 0.000 description 1
238000010908 decantation Methods 0.000 description 1
230000007423 decrease Effects 0.000 description 1
238000001914 filtration Methods 0.000 description 1
230000004992 fission Effects 0.000 description 1
238000001506 fluorescence spectroscopy Methods 0.000 description 1
230000004907 flux Effects 0.000 description 1
239000008187 granular material Substances 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
230000007062 hydrolysis Effects 0.000 description 1
238000006460 hydrolysis reaction Methods 0.000 description 1
230000007246 mechanism Effects 0.000 description 1
238000005065 mining Methods 0.000 description 1
238000002156 mixing Methods 0.000 description 1
238000003947 neutron activation analysis Methods 0.000 description 1
230000000704 physical effect Effects 0.000 description 1
239000011148 porous material Substances 0.000 description 1
239000002244 precipitate Substances 0.000 description 1
229910052705 radium Inorganic materials 0.000 description 1
239000004576 sand Substances 0.000 description 1
238000000926 separation method Methods 0.000 description 1
229910052710 silicon Inorganic materials 0.000 description 1
239000010703 silicon Substances 0.000 description 1
238000002791 soaking Methods 0.000 description 1
235000011121 sodium hydroxide Nutrition 0.000 description 1
239000007787 solid Substances 0.000 description 1
239000004575 stone Substances 0.000 description 1
239000000758 substrate Substances 0.000 description 1
230000009466 transformation Effects 0.000 description 1
239000003039 volatile agent Substances 0.000 description 1
238000005406 washing Methods 0.000 description 1

Landscapes

Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

JP5706480A 1980-05-01 1980-05-01 Preparation of alumina having extremely low content of radioactive element Granted JPS56155017A (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP5706480A JPS56155017A (en)	1980-05-01	1980-05-01	Preparation of alumina having extremely low content of radioactive element

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP5706480A JPS56155017A (en)	1980-05-01	1980-05-01	Preparation of alumina having extremely low content of radioactive element

Publications (2)

Publication Number	Publication Date
JPS56155017A JPS56155017A (en)	1981-12-01
JPS6257576B2 true JPS6257576B2 (de)	1987-12-01

Family

ID=13045008

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP5706480A Granted JPS56155017A (en)	1980-05-01	1980-05-01	Preparation of alumina having extremely low content of radioactive element

Country Status (1)

Country	Link
JP (1)	JPS56155017A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP7406444B2 (ja) *	2020-04-22	2023-12-27	株式会社アドマテックス	球状粒子材料の製造方法
CN115947361A (zh) *	2022-11-21	2023-04-11	江苏联瑞新材料股份有限公司	一种低放射性氧化铝粉及其制备方法
CN116924441A (zh) *	2023-07-31	2023-10-24	江苏联瑞新材料股份有限公司	一种pop封装用低放射性球形氧化铝及其制备方法

1980
- 1980-05-01 JP JP5706480A patent/JPS56155017A/ja active Granted

Also Published As

Publication number	Publication date
JPS56155017A (en)	1981-12-01

Publication	Publication Date	Title
AU2023206234B2 (en)	2025-02-27	Composition and method for the processing of hazardous sludges and ion exchange media
Smith	1963	Estimation of Mercury in Biological Material by Neutron Activation Analysis.
Fried et al.	1950	The Preparation and Identification of Some Pure Actinium Compounds1
JPH07509279A (ja)	1995-10-12	チタン含有物質の処理
JPS6257576B2 (de)	1987-12-01
JPS5844610B2 (ja)	1983-10-04	放射性元素の含有量が極めて低いアルミナの製造方法
CN109701482B (zh)	2021-08-06	裂变型锝[99mTc]发生器用吸附剂γ-氧化铝的制备工艺
US5478538A (en)	1995-12-26	Removal of radioactivity from zircon
JP3015593B2 (ja)	2000-03-06	放射性廃棄物の処理方法
US2819144A (en)	1958-01-07	Separation of plutonium from uranium and fission products by adsorption
US4366090A (en)	1982-12-28	Process for the preparation of adsorbent materials
US2689165A (en)	1954-09-14	Process for producing uranium tetrafluoride
CA1328728C (en)	1994-04-26	Alumina adapted for use as semiconductor memory cell package and process for preparing the same
Fairhall	1960	The radiochemistry of beryllium
JPS5924731B2 (ja)	1984-06-12	ウランまたは／およびトリウムを含む液からのウランまたは／およびトリウムの除去回収法
RU2034345C1 (ru)	1995-04-30	Способ включения высокоактивного концентрата трансплутониевых и редкоземельных элементов в керамику
US3532460A (en)	1970-10-06	Purification of alumina
JP2549532B2 (ja)	1996-10-30	超ウラン元素の沈澱分離法
US2823978A (en)	1958-02-18	Precipitation method of separating plutonium from contaminating elements
JPS6261539B2 (de)	1987-12-22
JPS5817130B2 (ja)	1983-04-05	超高純度アルミナの製造法
US3092452A (en)	1963-06-04	Production of low-soda alumina
JPS6153121A (ja)	1986-03-17	高純度二酸化ジルコニウム粉の製造方法
JPS5930719A (ja)	1984-02-18	放射性元素含量の低いアルミニウム水酸化物又は酸化物の製造方法
Kirby	1969	Residue adsorption—III: Mutual separation of 227Ac, 227Th and 223Ra