Water & Wastewater Treatment Magazine
Issue link: https://fhpublishing.uberflip.com/i/682797
32 | JUNE 2016 | WWT | www.wwtonline.co.uk In the know Research Notes: advanced oxidation one year of continuous use. This is shortened significantly if the lamp is turned on and off frequently, meaning their effectiveness and feasibility is reduced. UV bulbs also contain mercury, which means their disposal must be properly managed. In terms of cost, energy use, degrading performance, and waste, they are not a green solution. also the fact that the LED market is growing rapidly, with many different manufacturers supplying them, so their price is becoming much more competitive. LEDs therefore present a very attractive option. The use of LEDs in water treatment processes would be a real innovation for the sector. At Cranfield University, we are looking into addressing some of the limitations of applying LEDs. Their limitations come from their smaller size and output power, particularly when providing light in the UV light wavelengths. This is being addressed through investigations of new reactor designs. If we can engineer solutions which solve the issues, we can accelerate the development of UV LEDs in oxidation processes. We do still need technology companies to help advance the capabilities of LEDs further, to become a fully scaled-up processes; this would better arm the industry to tackle the micropollutant challenge and help them to achieve some of their ambitious targets, such as zero water quality failures. +49 211 417 9373 | SALES@TSURUMI.EU | WWW.TSURUMI.EU Bring wastewater back down to size. Don't get bogged down with wastewater challenges. Whatever the problem, we have the solution to put things right. LED bulbs potentially offer significant advantages here. They are considerably more energy efficient as they convert less electricity to heat rather than light. They also have a long useful life with no degradation in performance, and they offer the opportunity to be much more flexible in reactor designs and geometry. In addition to these benefits there is Advanced oxidation processes are currently used for meeting the challenge of pesticides AERZEN – RENTAL DIVISION 100% OIL FREE AIR HIRE UNITS EXPECT PERFORMANCE When your biology needs 100% oil free air AERZEN RENTAL DIVISION offers turn-key temporary solu- tions from blower stages up to complete plug-and- play rental packages up to complete treatment systems with aeration plates, piping, power turn-key installed. Try-us! www.aerzenrental.com RENTAL DIVISION Anzeige 86 x 124mm.indd 1 19.12.2014 08:43:34