Page 258 - Industrial Wastewater Treatment, Recycling and Reuse

232 Industrial Wastewater Treatment, Recycling, and Reuse

H. Bitburger Brewery, Bitburg (Germany)
The excellent results obtained with the combination of Tower Biology and
induced air flotation at the Konigsbacher Brewery in Koblenz prompted the
Bitburger brewery to choose the same system. The plant at Bitburg com-
3
prises a tower ( 20 24 m; V¼7300 m ) and a downstream flotation
unit consisting of two parallel flotation cells, each with a volume of
3
50 m . The plant commenced operation in January 1984 and treats
3
7200 m of effluent daily.
The Tower Biology utilizes mild steel, rubber-lined towers (two tanks of
15 17 m, water level 15 m).
I. Tower Biology in the United States, Bushy Park, Texas
Figure 5.14 shows two-tower biology followed by gravity clarifiers. It is a
3
treatment plant of capacity 5600 m /day.
J. Tower Biology in Mexico, Mexico City
Figure 5.15 shows two-tower biology at a chemical plant in Mexico City.

5.4 SUMMARY OF LOPROX AND TOWER BIOLOGY

The LOPROX process (low pressure wet oxidation) was developed by
Bayer for the separate pretreatment of selected effluent streams containing
high concentrations of organic substances that degrade too slowly in

Figure 5.14 Tower Biology at the Bushy Park site in the USA.