Encyclopedia of Environmental Science and Engineering, Volume I and II

WATER TREATMENT 1327

CONTACTOR 1

(TYP.) UNDERDRAINSYSTEM(TYP.)

RATE OF FLOWCONTROL VALVE (TYP.)

BACKWASH WASTE TOSANITARY SEWER

TO DISTRIBUTION/STORAGE

CHLORINE

WELL PUMP (TYPICAL)

RAW WATER

CYLINDER OPERATEDBUTTERFLY VALVE (TYP.)

POLISHING FILTER

CONTACTOR 3

CONTACTOR 2

APPROX. 9.5 FT

CARBON DEPTH

CARBON REFILLCONNECTION (TYP.)

SCHEMATIC FOR CENTRALIZEDGRANULAR ACTIVATED CARBON

TREATMENT FACILITY

10' DIA.

NOTE: CONCEPTUAL SCHEMA

TIC ARRANGEMENT SHOWN IS FOR P

ARALLEL

OPERATION. ADDITIONAL VAL

VING W

OULD BE REQUIRED FOR

SERIES OPERATION.

FIGURE B

C023_006_r03.indd 1327C023_006_r03.indd 1327 11/18/2005 1:32:37 PM11/18/2005 1:32:37 PM