Maricopa Community Colleges  WRT238   19986-20035 
Official Course Description: MCCCD Approval: 05/26/98
WRT238 19986-20035 LAB 1 Credit(s) 3 Period(s)
TROUBLESHOOTING DE-IONIZATION
Troubleshooting operational problems of a de-ionization system, in a hands-on environment. Calibration of de-ionization instruments. Methods of maintenance, problem solving and cleaning de-ionization systems. Prerequisites: WRT160 or permission of department. Corequisites: WRT230 or permission of department.
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MCCCD Official Course Competencies:
 
WRT238   19986-20035 TROUBLESHOOTING DE-IONIZATION
1. Demonstrate monitoring methods for specific water parameters. (I)
2. Explain problems that could occur in a de-ionization system. (II, IV)
3. Perform instrument calibrations on de-ionization instruments and equipment. (III)
4. Identify the cause of specific problems in the de-ionization system. (II, IV)
5. Describe methods to prevent problems in the de-ionization system. (II, V)
6. Compare and contrast methods of troubleshooting a de- ionization system. (VI)
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MCCCD Official Course Outline:
 
WRT238   19986-20035 TROUBLESHOOTING DE-IONIZATION
    I. Parameter Monitoring
        A. pH
        B. Chlorine
        C. Sulfite
      II. Case studies
          A. Semi-conductor industry
          B. Pharmaceutical industry
          C. Beverage industry
          D. Cosmetics industry
        III. Instrument Calibrations
            A. Flow meters
            B. Temperature indicators
            C. Conductivity
            D. pH meters
            E. Level controls
            F. Specific monitoring
            G. Interlock system
            H. Pressure
            I. Timers and switches
          IV. Diagnosing Problems
              A. Tables and charts
              B. instrumentation and monitoring
              C. Pre-treatment
              D. Ion exchange
            V. Problem Prevention
                A. Cleaning
                B. Maintenance
              VI. Methods of Troubleshooting
                  A. Working upstream
                  B. Shotgun approach
                  C. Starting at source of water supply
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