Water Reuse with Ultraviolet Disinfection
The advanced treatment and reuse of wastewater (also called water reclamation), is becoming increasingly common as municipalities address high water demands and shrinking supplies.
Australia, Spain, Italy, California, Texas and Florida are just some of the areas around the world being affected by drought and the need to balance increasing population growth, dry climates and heavy irrigation/agricultural demands with water demands.
Sustaining Water Supplies and UV
Reusing wastewater is an essential strategy for wastewater treatment plants in these regions and UV disinfection is a key element in the treatment scheme.
UV offers the benefits of not producing by-products and replaces a complicated three step chemical disinfection process with a single physical UV process. When a chemical disinfection process is used, the reuse water must be chlorinated, dechlorinated and then aerated if required. For reuse water, high chlorine doses may be required which increases the likelihood of disinfection by-product formation.
UV and High Dose Requirements
Most regions require UV systems to meet high dose requirements (in California it is known as Title 22) based on Ultraviolet Disinfection Guidelines for Drinking Water and Water Reuse published by the National Water Research Institute (NWRI) / American Water Works Association Research Foundation (AwwaRF).
TrojanUV is the Leading Provider of UV and UV-Oxidation Solutions
TrojanUV disinfection systems have been installed in reuse applications around the world. The treated effluents are being reused for recreational and agricultural irrigation, aquifer recharge and to reduce discharge to already-stressed waterways.
In some applications like Indirect Potable Reuse, Trojan provides UV-oxidation systems for chemical contaminant treatment along with high-level disinfection.
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TrojanUV4000PlusThe TrojanUV4000Plus™ is the first commercially-successful, medium-pressure UV lamp system that’s specifically designed for handling high volume and lower quality wastewater.
TrojanUV3000PlusThe TrojanUV3000Plus was designed for medium to large wastewater treatment plants and features the patented ActiClean Cleaning System, an automatic chemical/mechanical wiping system.
TrojanUVFitDepending on site and design conditions,wastewater treatment plants producing filtered effluent sometimes prefer a disinfection solution using closed-vessel or pressurized UV reactors.
TrojanUVSignaChlorine is not the only disinfection option for mid- and large-scale applications. With the TrojanUVSigna™, operators and engineers can confidently choose UV and benefit from its inherent safety features, cost-saving advantages and disinfection performance.