Odour Control System - Multi-stage Wet Chemical Scrubber With Plc Automation | 99% H₂s Abatement, Online Monitoring, Optimized Chemical Consumption, Small Footprint

Odour Control System

Wet Chemical Scrubbing is a very effective system for abating large air volumes with high and or variable odour challenges that are difficult for biological systems to treat. A wet chemical scrubber will normally have either 2 or 3 chemical stages depending on the odour make up.

Where ammonia or amines are likely to be present in the gas stream a first stage acid stage scrubber would be used followed by a two stage alkaline process for the removal of acidic gases such as Hydrogen Sulphide (H₂S). Otherwise gas streams that are predominately acidic in nature will be passed through a two stage scrubbing process with the first stage using an aqueous solution of Sodium Hypochlorite to oxidise the load and a second caustic polishing stage to remove chlorinated products or chlorine.

If both alkaline and acidic gasses are present a three stage system will be used consisting of all of the above stages. Chemical consumption is the critical operational cost and therefore our control system designs minimise dosing rates whilst maximising abatement efficiency.

We offer full PLC based Human Machine Interface panels linked to on-line inlet and outlet odour monitoring to maintain system efficiency.

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