Lonza Ag

Michael Amrhein

Dominique Roberge

Yves Glatz

A dosage system for feeding a fluid (A) to a static mixer (), said system comprising a tank () containing said fluid (A) at a predetermined pressure, a fluid passage () connecting said container () and tank (), a control valve () provided within said fluid passage () to control the flow of said fluid (A) from said tank into said container; and a controller () for receiving a target flow rate (SP_Q) of said fluid (A), and an actual flow rate (PV_Q) of said fluid (A), and for outputting a control signal (MV_L) to said control valve () indicating a valve position to adjust the flow rate. Further provided is a method for controlling said dosage system.

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Bussigny-près-Lausanne, Switzerland

Michael Amrhein