Maricopa Community Colleges  WRT230   20006-20035 
Official Course Description: MCCCD Approval: 06/27/00
WRT230 20006-20035 LEC 3 Credit(s) 3 Period(s)
Ion Exchange
Basic theory and function of de-ionization systems. Design, use, element configuration maintenance and record keeping of de-ionization systems. Prerequisites: (WRT160, WRT210, WRT218, CHM130 and CHM130LL), or permission of department.
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MCCCD Official Course Competencies:
 
WRT230   20006-20035 Ion Exchange
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)
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MCCCD Official Course Outline:
 
WRT230   20006-20035 Ion Exchange
    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
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