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Note: aSouth of 40° north latitude, these figures can be reduced by 25%; and north of 45° north latitude, they should be increased by 25%.

Note: aSouth of 40° north latitude, these figures can be reduced by 25%; and north of 45° north latitude, they should be increased by 25%.

TABLE 7.54.2 SLUDGE DRYING BED AREA NEEDED FOR DEWATERING DIGESTED SLUDGE—RANGE OF VALUES

Area ((t2/capita)a

Type o( Sludge

Open Beds

Covered Beds

Type o( Sludge

Open Beds

Covered Beds