Desuperheaters from Spirax Sarco are saving treated water and improving process control at St Regis’s Wansbrough paper mill in Watchet, Somerset. The two desuperheaters reduce the steam temperature from 420 o C to around 230 o C, so it can be used in the plant’s drying cylinders. St Regis needs its two boilers to produce superheated steam at 600psi because the company generates some of its own power using a steam turbine. However, the supe

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