US 12,243,663 B2
Container for low-to-high level long-lived radioactive waste
Patrice Stengel, Geneva (CH); Mark Kettner, Schriesheim (DE); and Pierre De Loës, Vandoeuvres (CH)
Assigned to GLOBAL TELE MARKETING GTM SA, Geneva (CH)
Filed by GLOBAL TELE MARKETING GTM SA, Geneva (CH)
Filed on Jun. 20, 2022, as Appl. No. 17/844,156.
Application 17/844,156 is a continuation in part of application No. 16/603,414, granted, now 11,367,538, previously published as PCT/EP2018/058753, filed on Apr. 5, 2018.
Claims priority of application No. LU100166 (LU), filed on Apr. 7, 2017.
Prior Publication US 2022/0319728 A1, Oct. 6, 2022
Int. Cl. G21F 5/008 (2006.01); G21F 5/08 (2006.01); G21F 5/12 (2006.01)
CPC G21F 5/008 (2013.01) [G21F 5/08 (2013.01); G21F 5/12 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A radiation and impact-protected radioactive waste cask comprising a container for radioactive waste, said container for radioactive waste comprising:
a steel outer wall;
a steel inner wall;
a layer of lead between the two steel walls;
a steel bottom;
a steel lid;
a volume of quartz sand inside the container at least one inner vessel coated at least partially with quartz sand, the quartz sand disposed between the steel inner wall and a vessel wall;
radioactive waste inside the vessel; and
wherein the radiation and impact-protected radioactive waste cask further comprises:
a removable outer transportation canister, wherein the removable outer transportation canister comprises a hollow cylindrical or polygonal body with a lower end and an upper end, configured for fittingly receiving therein the container for radioactive waste, wherein the lower end is closed by a fixed bottom and the upper is closed with a removable canister cover, wherein the hollow cylindrical or polygonal body, the fixed bottom and the removable canister cover are made of at least three layers, an outer layer made of armor grade steel, an inner layer made of high strength steel, and an intermediate layer between said outer and inner layers, said intermediate layer being made of one or more strati comprising ceramic material, wherein said ceramic material is selected from oxide ceramics, non-oxide ceramics and mixtures thereof.