TABLE 2.2 Effectiveness and Typical Costs of Treatment for Water Containing Various Classes of Contaminants

 

Inorganic Compounds

Organic Compounds

Treatment Process

TDS

NO3-, SO42

Volatile (TCE, PCE)

Novolatile (DBCP)

Cost Range ($/acre-foot)

Facility Capacity Range (MGD)

GAC

+

150-110

2-12

Air stripping

+

130-50

0.5-7

Ion exchange

+

130-60

1-15

Reverse osmosis

+

+

400-250

1-6

In situ bioremediation

+

Varies

Varies

 

SOURCE: Orange County Water District, 1996.



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