Resources Contact Us Home
Method of removing phosphorus impurities from yellowcake
T102906 Method of removing phosphorus impurities from yellowcake
Patent Drawings:

Inventor: Brown, et al.
Date Issued: April 5, 1983
Application: 06/210,063
Filed: November 24, 1980
Inventors: Brown; Richard A. (Trenton, NJ)
Winkley; Donald C. (Corpus Christi, TX)
Primary Examiner:
Assistant Examiner:
Attorney Or Agent:
U.S. Class: 423/16
Field Of Search:
International Class:
U.S Patent Documents:
Foreign Patent Documents:
Other References:

Abstract: Phosphorus impurities are removed from yellowcake by dissolving it in hydrochloric or sulfuric acid to a U.sub.3 O.sub.8 assay of at least 150 g/l at a pH of 2; precipitating uranium peroxide with hydrogen peroxide while keeping the pH between 2.2 and 2.6 and recovering the uranium peroxide from the phosphorus impurities remaining in solution.
  Recently Added Patents
Method for fabricating a nitrided silicon-oxide gate dielectric
Attribute information providing system
Means to securely fixate pacing leads and/or sensors in vessels
Image forming apparatus acquiring image processing time detected when the acquired time is longer that the previously set time and to correct output image density using generated patch pattern
Ventilated vacuum commutation structure
Method and system for providing geohazard information to customers
Plants and seeds of hybrid corn variety CH336383
  Randomly Featured Patents
Composition and process for preparing high molecular weight polyester
Control system for internal combustion engine
Strategy game with dynamic playing board
Thermal siphon adapter
Transverse device array radiator ESA
Attachable trimmer/edger for a lawnmower
Dual lever type derailleur gear unit for a bicycle
Network equipment system
Optical head apparatus and optical disk apparatus
Electron gun with photocathode and folded coolant path