Page 56 - Fundamentals of Water Treatment Unit Processes : Physical, Chemical, and Biological

Water Treatment 11

Lime clarification Filtration Carbon adsorption

Unchlorinated Recarbonation
secondary UV disinfection
effluent Reverse osmosis

Chloramination Air stripping
Ozonation
Ultrafiltration

Potable water reuse
Health effects configuration
(a) (b)

(c) (d)

FIGURE 1.5 Denver Potable Reuse Demonstration Plant, c. 1989. (a) Flow schematic. (b) Lime settling and chemical silos. (c) Pressure
filters. (d) Carbon columns. (Courtesy of Denver Water Department, Denver, CO.)

remove soil sediments and land treatment to remove organic
molecules for sugar beets, to settling and anaerobic ponds
for meat packing, to precipitation of heavy metals for the
electronics industry and metals industry. Many industries,
depending on policies and plant management, take pride in
exceeding legal requirements.

1.4.2.1 Cases
Two cases are reviewed to indicate the variety of circumstan-
ces that influence the selection of unit processes that comprise
treatment trains for industries. The circumstances of industries
are highly variable, and so there is a wide variation in treat-
ment processes.
1.4.2.1.1 Coors Brewery
The Miller-Coors Brewery, formerly Coors Brewery until mer-
ger in 2008, in Golden, Colorado, utilizes biological treatment, FIGURE 1.6 Wastewater treatment at Miller-Coors Brewery, Golden,
Figure 1.6, and had a 30=30 (BOD=TSS) effluent discharge Colorado. Pure-oxygen-activated sludge reactors are in background and
permit for the adjacent Clear Creek that flows to the South underground. (Courtesy of Miller-Coors Brewery, Golden, CO.)