Water and Effluent Treatment Magazine
Issue link: https://read.utilityweek.co.uk/i/867569
SEPTEMBER 2017 WET NEWS 25 THE CONCEPT • The Terminodour ionisation system is ideal for large volume low load applications • he system consumes no water and uses only a fraction of the power requirement of a biofilter • Ambient air is drawn into the Terminodour air handling units • The air is filtered by washable filters and drawn into the reactor section where the air is ionised NEED TO KNOW 1 Odours were of concern due to the proximity of the dairy to local neighbourhoods 2 The dairy owns and contract operates an onsite wastewater facility 3 The dairy's plant is designed to treat 300,000 gallons per day containing high organic loads commonly associated with milk based wastewater THE VERDICT Once operational there was a noticeable improvement in interior air quality, an estimated 90% reduction in odours. The reduced odour load to the scrubber led to fewer carbon medial changes, typically three times a year, now annually resulting in cost savings of approximately $30,000 per year for the dairy. Ambient air is drawn into the air handling unit at Mayfield can also be used on pumping station wet well applications and for the control of corrosion in control rooms. Ionisations systems recently gained Best Available Technology (BAT) status in Europe. Humidity One of the major benefits of the Terminodour system is its very small footprint when compared to extraction technologies. Typically, the system would have a footprint of less than 10% of a biofilter treating the same volume of air. This combined with the fact that the Terminodour system consumes no water and uses only a fraction of the power requirement of a biofilter makes it a very attractive option for space limited sites. Due to high humidity, common in the southern US, the AHU was preceded by an air conditioning (A/C) unit. Very high humidity can inhibit the oxidation process of the ions, so reducing it partially is beneficial to the performance of the Terminodour system. The A/C unit reduces humidity, improving the interior temperature of the building, thus also enhancing the working environment for operations and maintenance personnel. Once operational there was a noticeable improvement in interior air quality, an estimated 90% reduction in odours. The reduced odour load to the scrubber led to fewer carbon medial changes, typically three times a year, now annually resulting in cost savings of approximately $30,000 per year for the dairy. More importantly, odour complaints from neighbours have stopped and the building working environment is much improved. As an added benefit of the ionisation process, specifically the reduction of H2S, plant personnel have noticed a reduction in corrosion of electrical components. Internal differs www.sera-web.com More info: sales.uk@sera-web.com