Encyclopedia of Environmental Science and Engineering, Volume I and II

SMALL FLOW WASTEWATER TREATMENT TECHNOLOGY FOR DOMESTIC AND SPECIAL APPLICATIONS 1087

FIGURE 4

System components of aerobic attached growth biological treatment process. (Adapted from Ref. 2.)

Motor

Effluent PackedMedia

Influent

(a) Uptlow filter

Influent Distributor

Fixed Media

(c) Tricking filter

Effluent to Clarifier or Septic Tank

Pump (b) Rotating Biological contactor

Influent SepticTa n k

TimerControlValve

Clarifier

Motor

Effluent

Sludge

Sludge

Under Drain

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