The LightSources Group offers Very High (VH) UV germicidal lamps which produce UV energy at 185nm as well as Low (L) lamps which produce 254nm. Ozone is an extremely effective deodorizer and active oxidizer, destroying microorganisms on contact.
The type of fused quartz used to make the envelope, or the bulb, of the germicidal lamp determines the wavelength of UV emissions.
LightSources and LightTech offer 185nm UV lamps manufactured with high-quality quartz glass. Ozone water disinfection is used worldwide in many applications including ballast water treatment systems for ships which are globally enforced to protect the planet’s oceans. 185 nm lamps are convenient in that ozone may be added to water treatment systems at several points such as during pre-oxidation, intermediate and final disinfection treatment processes. Ozone Oxidation – Powerful Water DisinfectionĪlso provides excellent oxidation in disinfection properties which makes it popular in drinking water treatment systems. Ozone does not add harmful chemicals to the water and eliminates many protozoans the chlorine does not such as Giardia and Cryptosporidium. Ozone provides a very strong oxidizing power and a short reaction time, with stronger germicidal properties then chlorination in many applications. Ozone is proven to be very effective over a wide range of pH environments and reacts quickly with viruses, bacteria and protozoans. Ozone Water Purification – Stronger than Chlorinationġ85 nm lamps are also very common in many water sterilization applications. 185 nm UV light is used in many UV air purification systems to effectively sanitize and clean the air in many HVAC systems. One of the major advantages of ozone disinfection lamps is that ozone is carried through the air to places where UV radiation does not directly reach. Ozone producing 185 nm UV lamps offer additional benefits and are required to oxidize specific organic compounds. Ozone Air Purification – Ozone Carries Through the Air These broadband UVC germicidal lamps produce a bright bluish white light and are common in many industrial water treatment applications due to the intense radiation source. Medium pressure Mercury discharge lamps look very similar to a high intensity discharge (HID) lamps and produce a broadband of UVC radiation rather than a single, narrow band line. Low-pressure Mercury discharge lamps will still produce a visible light due to Mercury radiation bands. This is to allow the optimum wavelength produced by a Mercury arc of either 185nm or 254nm of UV light to pass through unmodified. The glass is also made of either soda lime glass or fused quartz as opposed to an ordinary borosilicate glass in typical fluorescent lamps.
Some low pressure germicidal lamps will look very similar to typical fluorescent lamps although the glass tube does not contain a fluorescent phosphor. The two main types of UV germicidal lamps are low pressure and medium pressure Mercury discharge lamps. Low Pressure and Medium Pressure Germicidal Lamps UV germicidal lamps are proven to be highly effective in many surface, air and water disinfection applications with 185 nm ozone lamps providing many benefits.
These harmful germs including protozoa and algae are unable to reproduce and are considered dead. Ultraviolet radiation is proven to instantly penetrate the cells of harmful, disease causing microorganisms and rearrange the genetic material to render the cell unable to replicate.
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