Process and apparatus for producing uranium or a rare earth element

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United States of America Patent

PATENT NO 10894999
APP PUB NO 20180216209A1
SERIAL NO

15762743

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Abstract

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In a process for producing uranium and/or at least one rare earth element selected from the group consisting of cerium, dysprosium, erbium, europium, gadolinium, holmium, lanthanum, lutetium, neodymium, praseodymium, promethium, samarium, scandium, terbium, thulium, ytterbium and yttrium out of an ore, the ore is mixed with sulphuric acid with a concentration of at least 95 wt.-% to a mixture, wherein the mixture is granulated to pellets. The pellets are fed into at least one fluidized bed fluidized by a fluidizing gas for a thermal treatment at temperatures between 200 and 1000° C. The at least one fluidized bed is developed such that it at least partly surrounds a gas supply tube for a gas or a gas mixture fed into the reactor and the gas or gas mixture is used as a heat transfer medium.

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Patent Owner(s)

Patent OwnerAddress
METSO METALS OYRAUHALANPUISTO 9 ESPOO 02230

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Charitos, Alexandros Frankfurt am Main, DE 3 0
Güntner, Jochen Kahl, DE 6 1
Hammerschmidt, Jörg Erlensee, DE 4 1
Wrobel, Maciej Karben, DE 6 1

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