Ultraviolet is chosen as the advance non-chemical disinfectant option for Municipal water and wastewater treatment because it is a highly effective method of destroying microorganisms.

The effectiveness of germicidal UV in such an environment depends on a number of factors: the length of time a micro-organism is exposed to UV, power fluctuations of the UV source that impact the EM wavelength, the presence of particles that can protect the micro-organisms from UV, and a micro-organism’s ability to withstand UV during its exposure.

Theory of UV Disinfection

• DNA adsorbs UV energy between 250 and 265 nm
• UV energy alters genetic structure of microorganism
• UV energy stops the reproductive process
• Microorganism is considered:
• Inactivated
• Noninfective
• Microbiologically dead

Greendex has the experience of supplying small UV installation for Irrigation applications to large UV installation in wastewater treatment plants.

Installation Pictures