Mineral composition capable of trapping hydrogen, preparation method and uses
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01J-027/057
B01J-027/25
B01J-027/02
B01J-023/00
B01J-023/40
B01J-023/42
C01B-019/00
C01B-025/14
C01B-019/04
C01B-017/00
C01B-017/32
C01B-017/42
H01M-004/58
C01B-003/02
B01D-053/22
B01D-053/56
C01D-003/00
C08L-095/00
C09D-004/00
C09D-101/00
C09D-201/00
B65D-085/00
B65D-003/00
출원번호
US-0518116
(2007-12-11)
등록번호
US-8093175
(2012-01-10)
우선권정보
FR-06 55437 (2006-12-12)
국제출원번호
PCT/EP2007/063739
(2007-12-11)
§371/§102 date
20091215
(20091215)
국제공개번호
WO2008/071716
(2008-06-19)
발명자
/ 주소
Riglet-Martial, Chantal
출원인 / 주소
Commissariat a l'Energie Atomique
대리인 / 주소
Miles & Stockbridge P.C.
인용정보
피인용 횟수 :
0인용 특허 :
4
초록▼
The invention relates to a composition capable of trapping hydrogen comprising: (a) at least one mineral compound of formula (I) below: MX(OH) (I) in which: M represents a divalent transition element;O represents an oxygen atom;X represents an atom chosen from S, Se, Te, Po; andH represents a hydro
The invention relates to a composition capable of trapping hydrogen comprising: (a) at least one mineral compound of formula (I) below: MX(OH) (I) in which: M represents a divalent transition element;O represents an oxygen atom;X represents an atom chosen from S, Se, Te, Po; andH represents a hydrogen atom; and(b) at least one nitrate salt of formula (II) below: ZNO3 (II)in which Z is a monovalent cation. Use of these compositions either in pulverulent form for trapping gaseous hydrogen by direct interaction, or in the form of an adjuvant in a containment material for, for example, trapping hydrogen released by radiolysis in radioactive waste packages.
대표청구항▼
1. A composition capable of trapping hydrogen comprising: (a) at least one mineral compound of formula MX(OH) wherein M represents a divalent transition element;O represents an oxygen atom;X represents an atom chosen from S, Se, Te, and Po; andH represents a hydrogen atom; and(b) at least one nitrat
1. A composition capable of trapping hydrogen comprising: (a) at least one mineral compound of formula MX(OH) wherein M represents a divalent transition element;O represents an oxygen atom;X represents an atom chosen from S, Se, Te, and Po; andH represents a hydrogen atom; and(b) at least one nitrate salt of formula ZNO3 wherein Z is a monovalent cation. 2. The composition according to claim 1, in which M is chosen from the group consisting of Co and Ni. 3. The composition according to claim 1, in which M is Co. 4. The composition according to claim 1, in which X is S. 5. The composition according to claim 1, in which Z is chosen from the group consisting of Li+, Na+or K+. 6. The composition according to claim 1, in which Z is Na+. 7. The composition according to claim 1, in which a NO3/M ratio is greater than 0.5. 8. A method of preparing a composition as defined in claim 1, comprising: a step of preparing at least one mineral compound of formula MX(OH),wherein M represents a divalent transition element;O represents an oxygen atom;X represents an atom chosen from S, Se, Te, and Po; andH represents a hydrogen atom; anda step of supplying with at least one compound of formula ZNO3,wherein Z is a monovalent cation. 9. The method of preparing a composition according to claim 8, in which the step of preparing the at least one mineral compound comprises mixing, in aqueous solution, a dissolved salt of X (i.e. X2−) and a dissolved salt of M (i.e. M2+). 10. The method of preparing a composition according to claim 9, in which the mixing of the dissolved salt of X and of the dissolved salt of M is carried out in air for a sufficient time to obtain pH stabilization. 11. The method of preparing a composition according to claim 9, in which the dissolved salt of X is chosen from among Na2X, (NH4)2X, Li2X, and K2X, or a mixture of these compounds. 12. The method of preparing a composition according to claim 9, in which the dissolved salt of M is chosen from among MSO4, M(ClO4)2 and MCl2. 13. The method of preparing a composition according to claim 8, in which M is Co or Ni. 14. The method of preparing a composition according to claim 8, in which X is S. 15. The method of preparing a composition according to claim 8, in which Z is Na+. 16. The method of preparing a composition according to claim 8, wherein said step of supplying with at least one compound of formula ZNO3 is performed before said step of preparing at least one mineral compound of formula MX(OH). 17. The method of preparing a composition according to claim 8, wherein said step of supplying with at least one compound of formula ZNO3 is performed substantially simultaneously with said step of preparing at least one mineral compound of formula MX(OH). 18. The method of preparing a composition according to claim 8, wherein said step of supplying with at least one compound of formula ZNO3 is performed after said step of preparing at least one mineral compound of formula MX(OH). 19. A method of encapsulating a solid waste, said method successively comprising the following steps: encapsulation using an organic encapsulation material, liquefied beforehand by heating the solid waste to be encapsulated, and a composition capable of trapping hydrogen; andcooling and solidification of the encapsulant obtained in the preceding step,wherein said composition capable of trapping hydrogen comprises (a) at least one mineral compound of formula MX(OH)wherein M represents a divalent transition element;O represents an oxygen atom;X represents an atom chosen from S, Se, Te, and Po; andH represents a hydrogen atom; and(b) at least one nitrate salt of formula ZNO3 wherein Z is a monovalent cation. 20. The encapsulation method according to claim 19, in which the organic material is a bitumen. 21. The encapsulation method according to claim 19, in which the solid waste is radioactive. 22. An organic material for encapsulating radioactive waste comprising: an organic encapsulation material; andat least one composition capable of trapping the hydrogen comprising (a) at least one mineral compound of formula MX(OH)wherein M represents a divalent transition element;O represents an oxygen atom;X represents an atom chosen from S, Se, Te, and Po; andH represents a hydrogen atom; and(b) at least one nitrate salt of formula ZNO3 wherein Z is a monovalent cation. 23. The organic encapsulation material according to claim 22, in which the organic encapsulation material is a bitumen. 24. A method of absorbing hydrogen, comprising: absorbing hydrogen using a hydrogen trapping composition,wherein the hydrogen trapping composition comprises (a) at least one mineral compound of formula MX(OH)wherein M represents a divalent transition element;O represents an oxygen atom;X represents an atom chosen from S, Se, Te, and Po; andH represents a hydrogen atom; and(b) at least one nitrate salt of formula ZNO3 wherein Z is a monovalent cation.
Bugga Ratnakumar V. ; Fultz Brent ; Bowman Robert ; Surampudi Subra Rao ; Witham Charles K. ; Hightower Adrian, LaNi.sub.5 is-based metal hydride electrode in Ni-MH rechargeable cells.
Buddemeyer Bruce D. (Kansas City MO) Neville William A. (Kansas City MO) Rozzo Nancy A. (Kansas City MO) Bourne Richard G. (Kansas City MO), Mineral enrichment composition and method of preparing same.
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