New UV disinfection system for industrial process water

Published: 5-Jan-2007


Hanovia's says that its new AF3 amalgam UV disinfection system, designed for industrial and pharmaceutical process water applications, offers a high microbial kill rate with low power consumption and low hydraulic pressure drop.

The AF3's configuration produces an axial flow through an L-shaped, elongated treatment chamber, increasing residency time and improving disinfection performance. It can treat flow rates of up to 50m³/hour.

With a life of up to 16,000 hours, the system's UV lamps produce up to three times the UV output of standard mercury low pressure lamps. A key feature of the lamps is their ability to operate at temperatures up to 40ºC (compared to 18ºC for conventional low pressure lamps) without any significant loss of germicidal output and efficiency.

The AF3 also uses fewer UV lamps and less electrical power to generate a given UV output compared to conventional low pressure UV technology. Optimised for the delivery of drinking water disinfection doses, the germicidal performance satisfies international regulatory requirements.

To ensure the AF3 integrates simply and effectively with a variety of installation requirements, three levels of control are available, all with outputs linkable to building management or SCADA systems. Combining a microprocessor-based control system with an intelligent electronic ballast, the system's Electron controller provides a versatile combination of controls, alarms and clear indicators.

A version of the AF3 built to cGMP requirements for pharmaceutical and sanitary applications is also available. Constructed using highly polished stainless steel with FDA approved seals, all welds are full penetration and 'bug trap' free. Tri-clamp connections also make it simple to disassemble and verify cleanliness.

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