| 摘要 |
A method of wastewater treatment employing multistage, partially submerged, rotating contactors wherein at least the attached biological slimes on the surfaces of the contactors in the first two stages are exposed to an oxygen enriched gaseous environment and the slime surfaces on each stage are supplied with wastewater at a filtrate BOD5 loading rate from about 3 to about 10 pounds per day per 1,000 square feet of contactor surface area.
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