Controlling wastewater treatment processes

Liquid purification or separation – Processes – Treatment by living organism

Reexamination Certificate

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C210S604000, C210S620000, C210S739000, C210S143000, C210S220000

Reexamination Certificate

active

07449113

ABSTRACT:
Methods and apparatus for continuing, automated control of wastewater treatment processes. In certain preferred embodiments, method and apparatus for control of aeration in suspended growth biological treatment processes, especially in activated sludge processes.

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