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Page Title:
Evaporation |
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|  DOE-HDBK-1002-96
APPENDIX B
B.6 Evaporation
Definition of terms
Description of equipment
-
entrainment
Modes of evaporator operation
-
disengagement section
Control of operating variables
-
reflux
-
fractionation
Recovery of nitric acid from solvent-
extraction waste.
-
thermosiphoning
Purpose
B.7 Ion Exchange
-
distribution coefficient (DC)
Definition of terms
-
decontamination factor (DF)
-
ions
-
anions
Basic chemistry
-
cations
Plutonium purification by ion
exchange
-
valence
Ion-exchange equipment
-
synthetic resins
Operating variables and restrictions
-
diffusion
Safety precautions required.
B.8 Conversion of Uranyl Nitrate to Uranium Hexafluoride
Conversion of uranyl nitrate to uranium
Properties of uranium hexafluoride
trioxide
Equipment used for fluorination
Reduction of uranium trioxide to
Fluorine generation and disposal
uranium dioxide
Hydrofluorination of uranium dioxide
Collection of uranium hexafluoride
Fluorination of uranium tetrafluoride
Purification of Uranium Hexafluoride
and uranium trioxide
Load-out of uranium hexafluoride
product.
B-5
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