Process for producing uranium dioxide

Details Process for producing uranium dioxide Process for producing uranium dioxide

1984-02-14

1987-05-19

Miller, Edward A.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

423261, C01G 43025

Patent

active

046666842

ABSTRACT:
A process and apparatus for separating uranium-containing particulate matter from the off-gas stream of a calciner, without condensation of ammonium fluoride from the gas stream along with the particulate matter, wherein the off-gas is passed through a filter while maintained at a temperature in excess of 340.degree. C. Preferably, the off-gas stream is forced through the filter by an aspirator, located downstream of the filter, and the filter comprises a plurality of filter units in side-by-side relationship, each of said filter units being purged by a nitrogen gas stream while the off-gas stream continues to flow through the remainder of the filter units for a continuous filtering operation.

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