Grundfos Holding A/s

Bruno Kiilerich

Loreen Ople Villacorte

Martin Hørlück Lyngsø

A control system suppresses biological growth, scale formation and/or corrosion in a recirculating evaporative cooling facility (). The control system is configured to: monitor a value (C) from at least one sensor (-). The value is indicative of an ion concentration in a cooling liquid of the recirculating evaporative cooling facility (). The control system controls at least one flow regulation device () for regulating the hydraulic operation of at least one de-ionising unit () of the recirculating evaporative cooling facility (). The control system is configured to control at least one parameter of hydraulic operation of the at least one de-ionising unit () based on an adaptive target water saving as long as the monitored value (C) does not pass a pre-determined threshold.

Control system and method for suppressing biological growth, scale formation and/or corrosion in a recirculating evaporative cooling facility

The present invention relates to a system and a method for abating the presence of a selected chemical substance in wastewater flowing in a wastewater channel system from an upstream position to a downstream position. The method typically comprising dosing into the wastewater, at the upstream position, chemical agent(s) adapted to abate the presence of said selected chemical substance, wherein the dosing is in an amount set by a dosing set-point, and adjusting the dosing set-point based on determinations of the concentration of the selected chemical substance at the downstream position. The invention involves comparison between a determined concentration and a pre-selected fractile and adjusting a dosing set-point based thereon.

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Bjerringbro, Denmark

Bruno Kiilerich