Light is pure - Expert in Water purification

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Drinking water for domestic use

UV light offers a solution to the problems posed by contaminated water. Home UV systems, integrated into the plumbing, and portable UV filters for traveling allow people the access to clean water.

Waste water

The PURITEC technology exhibited by OSRAM is an innovative disinfection method for the purification of water using ultraviolet light.

Swimming Pool

The UV-C radiation moves at a wavelength range between 200 nanometers (nm) and 280 nanometers. This gives the radiation a cell-destroying effect that is ideal for highly effective water cleaning.

Aquarium

Aquarium water pumped through the UV chamber is exposed to this light and irradiated. Free-floating microorganisms are affected by the UV light and are no longer able to multiply.

OSRAM UV lamps

Off-Grid Kenya

Kenya's natural water resources do not provide adequate water delivery to the vast regions of the country. Therefore, most of the population lacks access to clean drinking water.

In 2008, OSRAM launched a unique project —Off-Grid Lighting—on Lake Victoria, Kenya, designed to produce light independently from a grid-based power supply. Recognizing Kenya’s drinking water supply problem, OSRAM put the Off-Grid Lighting project to work for water purification. Integrated units were installed, which filter rain and groundwater to provide pure drinking water. This is achieved by treating the water with OSRAM UV lamps so that bacteria and viruses are eliminated. Up to 3000 litres can be purified to drinking water quality every day.

www.osram.com/offgrid

PURITEC HNS UV-C lamps

Low-pressure Hg discharge lamp

RoHS compliant

With UV-C transparent long-life coating

Soft glas tube
Single UV-C peak @ 254nm
Not generating ozone
High efficiency (30% UV-C output)

OSRAM PURITEC HNS Compact S

OSRAM PURITEC HNS Compact L

OSRAM PURITEC HNS Linear lamps

What is healthy drinking water?

There are currently three authoritative and representative international standards for drinking water quality:

WHO’s Guidelines for Drinking Water Quality,
EC’s Drinking Water Directive, and
USEPA’s National Drinking Water Regulations.

These three standards are the basis for most national or regional drinking water standards. The standards assert drinking water should be sterile and free of toxic and hazardous substances, contain minerals required for human health, and have high permeability and solubility.

How can we ensure healthy drinking water?

Drinking water must be sterilized to ensure safety. The aim of drinking water sterilization is to kill or inactivate pathogenic microorganisms. Standard methods include sterilization with chlorine, chloramines, ozone, and ultraviolet light.

The smell of disinfectant in tap water currently indicates to people that their water is sterile; however, this smell is often the result of harmful chemical by-products, such as chloroform, dichloroacetic acid, nitrile chloride, bromate, formaldehyde, and chlorite. Chemicals do not need to be used in the purification process at all.

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