METHOD FOR CONTROLLING A TREATMENT APPARATUS ARRANGEMENT

According to a first aspect the invention relates to a method for controlling a treatment apparatus arrangement (3) in a treatment plant (1), the treatment plant (1) comprising a basin (2) housing a liquid comprising solid matter, the operating condition in said basin (2) being anoxic and/or anaerob...

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Format: Patent
Sprache:eng
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Zusammenfassung:According to a first aspect the invention relates to a method for controlling a treatment apparatus arrangement (3) in a treatment plant (1), the treatment plant (1) comprising a basin (2) housing a liquid comprising solid matter, the operating condition in said basin (2) being anoxic and/or anaerobic, and said treatment apparatus arrangement (3) that comprises at least one mixer machine (4) located in said basin (2) and a variable speed drive (5) operatively connected to said mixer machine (4). The variable speed drive (5) operates the mixer machine (4) alternately in a Normal Operation Mode , in which an operational speed of the mixer machine (4) is at least the highest of a suspension speed and a process speed, and a Reduced Operation Mode , in which the operational speed of the mixer machine (4) is below said suspension speed. According to a second aspect the invention also relates to a treatment apparatus arrangement and a treatment plant, respectively.