Organics

High-rate chemical oxidations systems for variable-source odour control

 

By means of a high-voltage applied to an ultra-violet light generating, catalytic wire mesh, molecules in ambient air are split and energised, converting the moisture and air into a flow consisting of a mixture of unstable atoms, ions and radicals, with elevated electron activity levels. These Activated Air molecules may then be injected into a gas carrying target compounds. The result is the high-rate oxidation of odorous molecules.

 

With this relatively simple but extremely potent technology residual odours may be completely eliminated from the offgas of a wide range of processes. The activated air molecules will attack all oxidisable compounds, reducing them to carbon dioxide, water, nitrogen and other such innocuous substances. The reactions involved are irreversible.

 

 

Key features

• highly efficient odour control by means of the high-rate oxidation of target substances
• no moving parts, mechanical wear, no chemical additions required, no water consumption and no waste products
• low energy requirements

 

Key data

• Flow rates available: 2,000 to 20,000 cubic metres per hour of exhaust gas flow. Larger flows may be accommodated with multiple modules
• Energy requirements: 5 kW hr per 1,000 cubic metres
• Space requirements: The largest standard module occupies a space of 1.5 m wide x 1.0 metre deep x 2.4 metres high. Front access is required for access to controls and for servicing

 

Deodorisation with an Activated Air unit is based upon high-speed oxidation. Molecules oxidised by this method cannot be detected by the human nose.

 

An Activated Air unit consists of a stainless steel cabinet containing wide-mesh UV-catalysts. Ambient air is passed through the unit, from atmosphere without any pre-treatment, and radiated.

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