DRINKING WATER PLANT PROCESS SELECTION


Fundamental Precepts

Experience has taught us the following fundamental precepts in process selection (MWH, 2005):

1. The raw water quality of every source is different.

2. Raw water quality is variable.

3. There is no standard water treatment plant design that is applicable to all sources.

4. For every source, a number of treatment process alternatives are available.

5. Site conditions often limit the types of treatment process that can be used.

6. Retrofitting and upgrading of existing plants requires creative solutions that are not presented in standard textbooks such as this one.

7. Pilot plant testing is highly recommended in the selection of retrofit and upgrade alternatives.

8. Pilot plant testing requires careful planning and execution to obtain useful design and operating criteria.

9. It is essential that the multibarrier concept be a feature of all designs.

10. Operator experience is invaluable in developing a design.

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