Maricopa Community Colleges  WRT218   20036-20046 
Official Course Description: MCCCD Approval: 06/17/03
WRT218 20036-20046 LAB 1 Credit(s) 3 Period(s)
Troubleshooting Membrane Technologies
Troubleshooting reverse osmosis (RO) systems. Hands-on experiences with actual RO systems and membrane technologies. Maintenance, problem solving and cleaning procedures. Prerequisites: WRT160, CHM130 and CHM130LL or permission of department. Corequisites: WRT210.
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MCCCD Official Course Competencies:
 
WRT218   20036-20046 Troubleshooting Membrane Technologies
1. Demonstrate the correct monitoring procedures of reverse osmosis systems and other membrane technologies. (I)
2. Explain problems that could occur in a reverse osmosis system and other membrane technology systems. (II, IV)
3. Perform instrument calibrations on specific membrane technology equipment. (III)
4. Locate specific problems in the reverse osmosis system and other membrane technologies. (II, IV)
5. Describe methods to prevent problems in the reverse osmosis system and other membrane technologies. (II, V)
6. Compare and contrast methods for troubleshooting a reverse osmosis system and other membrane technologies. (VI)
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MCCCD Official Course Outline:
 
WRT218   20036-20046 Troubleshooting Membrane Technologies
    I. Monitoring Procedures
        A. pH
        B. Chlorine
        C. Sulfite
      II. Common Problems
          A. Source of problems
          B. Case studies
          C. Industry concerns
            1. semi-conductor industry
            2. pharmaceutical industry
            3. beverage industry
            4. cosmetics industry
        III. Calibrations
            A. Conductivity
            B. Flow meters
            C. Pressure
            D. pH
            E. Temperature
          IV. Diagnosing Problems
              A. Salt rejection
                1. front end
                2. tail end
                3. isolated
                4. uniform
              B. Differential pressure changes
                1. front end
                2. tail end
                3. random
                4. uniform
            V. Problem Prevention
                A. Salt rejection
                B. Differential pressure changes
                  1. front end
                  2. tail end
                  3. random
                  4. uniform
              VI. Methods of Troubleshooting
                  A. Visual inspection
                  B. Dissolution in acid
                  C. Dye test
                  D. Optical microscopy
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