MCCCD Official Course Competencies:

WRT218  2009 Summer I – 2012 Fall

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)

MCCCD Official Course Outline:

WRT218  2009 Summer I – 2012 Fall

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