CONTENTS
Introduction ..................................................................................................................... 1
Background .............................................................................................................. 1
Objective .................................................................................................................. 2
Scope ........................................................................................................................ 2
Experimental methods ..................................................................................................... 3
Pinkwater .................................................................................................................. 3
Freeze concentration experiments ............................................................................ 3
RP-HPLC analysis .................................................................................................... 3
Results ........................................................................................................................... 4
Discussion ........................................................................................................................ 5
Conclusion ....................................................................................................................... 6
Literature cited ................................................................................................................. 6
Appendix A: Freeze concentration data .......................................................................... 7
Abstract .......................................................................................................................... 13
ILLUSTRATIONS
Figure
1.
Drum ice maker ................................................................................................. 2
2.
Bench-scale freeze concentrator ....................................................................... 3
3.
Visual comparison of ice cylinder color and clarity. ......................................... 4
4.
TNT concentration in ice cylinder at each freezing rate ................................... 5
5.
RDX concentration in ice cylinder at each freezing rate .................................. 5
6.
Effect of freezing rate on average TNT concentration in ice column ............... 5
7.
Entrapment coefficients for TNT and RDX as a function of freezing rate ....... 6
TABLES
Table
1.
Conditions during freeze concentration experiments ........................................ 3
2.
Concentrations of TNT and RDX in residuals .................................................. 5
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