Principles of Water Treatment
DOE-HDBK-1015/2-93
OBJECTIVES
Rev. 0
CH-04
Page v
TERMINAL OBJECTIVE
1.0
Without references, EXPLAIN the concept and application of ion exchange in water
purification.
ENABLING OBJECTIVES
1.1
LIST the three reasons for removing impurities from water prior to use in reactor
systems.
1.2
DEFINE the following terms:
a.
Ion exchange
e.
Polymer
b.
Demineralize
f.
Mixed-bed demineralizer
c.
Cation
g.
Affinity
d.
Anion
h.
Decontamination factor
1.3
DESCRIBE the following:
a.
Resin bead
b.
Cation resin
c.
Anion resin
1.4
DISCUSS the following factors of ion exchange:
a.
Relative affinity
b.
Decontamination factor
1.5
WRITE the reaction for removal of NaCl and CaSO by a mixed-bed ion exchanger such
4
as one containing HOH resin.
1.6
EXPLAIN the three basic methods used to remove dissolved gases from water.
1.7
LIST five filtration mediums used to remove suspended solids from water.
1.8
EXPLAIN how mixed-bed ion exchangers may be used to control pH.
