MCCCD Official Course Competencies:

WRT230  2005 Spring – 2009 Spring

Ion Exchange Technologies

1.

Describe basic theory and function of de-ionization. (I, II)

2.

Describe theories of operation of de-ionization equipment. (III)

3.

Describe basic ion resin structure. (II)

4.

Explain ion resin selectivity. (II)

5.

Describe theories of operation of equipment. (III)

6.

Explain how pressure to the de-ionization trains is regulated. (IV)

7.

Describe the purposes of the cation and anion resins and the mixed bed. (IV)

8.

Identify reasons for the use of filtration after mixed beds. (V)

9.

Explain the importance for proper record keeping and information that should be contained. (VI)

MCCCD Official Course Outline:

WRT230  2005 Spring – 2009 Spring

Ion Exchange Technologies

I. De-ionization

A. Pressure

B. Cation resin

C. Anion resin

D. Mixed belt

II. Theories of Operation

A. Synthesis of resins

B. Resin bead formation

C. Functional groups or exchange sites

D. Ion exchange resin reactions

E. Selection

III. Equipment for Ion Exchange

A. Ion exchange resin tanks

1. Operation

2. maintenance

B. Distributors and collectors

1. operation

2. maintenance

C. Face piping and valves

1. operation

2. maintenance

D. Bulk chemical storage

1. operation

2. maintenance

E. Degasification

1. operation

2. maintenance

F. Instrumentation

1. operation

2. maintenance

IV. Ion Exchange Cycles

A. Service cycle

B. Backwash cycle

C. Regeneration cycle

D. Displacement rinse

E. Fast rinse

V. Post treatment

A. Filtration

B. Condensate polishing

VI. Record keeping

A. Raw water

B. Regeneration level

C. Rinse gallonage

D. Final effluent