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PT. Cipta Kawan Teknik Abadi provides ultraviolet light that serves as a disinfectant, TOC reduction, and eliminates ozone content. But generally used as a disinfectant, both in the pharmaceutical , food and beverages company.

UV Lamputilize germicidal ultraviolet lamps that produce short wave radiation lethal to bacteria, viruses and other microorganisms present in water. Ultraviolet water treatment purification is a unique and rapid method of water disinfection without the use of heat or chemicals.

Through the years ultraviolet technology has become well established as a method of choice for effective and economical water disinfection.

Since UV radiation is energy in the form of electromagnetic waves, its effectiveness is not limited by chemical water quality parameters. For instance, it appears that pH, temperature, alkalinity, and total inorganic carbon do not impact the overall effectiveness of UV disinfection (AWWA and ASCE,1990). However, hardness may cause problems with keeping the lamp sleeves clean and functional.

The presence, or addition, of oxidants (e.g., ozone and/or hydrogen peroxide) enhance UV radiation effectiveness. The presence of some dissolved or suspended matter may shield microorganisms fromthe UV radiation.

The presence of some dissolved or suspended matter may shield microorganisms from the UV radiation. As a result, specific “design” parameters vary for individual waters and should be determined empirically for each application. UV demand of water is measured by a spectrophotometer set at a wavelength of 254 nm using 1 cm thick layer of water. The resulting measurement represents the absorption of energy per unit depth, or absorbance. Percent transmitter is a parameter cammonly used to determine the suitability of UV radiation for disinfection.

For instance The presence of some dissolved or suspended matter may shield microorganisms from tha UV radiation.

Continuous wave UV radiation at doses and wavelengths typically employed in drinking waterapplications, does not significantly change the chemistry of water nor does it significantly interact with any of the chemicals within the water (USEPA, 1996).

Therefore, no natural physiochemical features of the water are changed and no chemical agents are introduced into the water. In addition, UV radiation does not produce a residual. As a result, formation of THM or other DBPs with UV disinfection is minimal.

Advantageof UV Lamp:

1. Effective

Virtually all microorganisms are susceptible to Pure Aqua ultraviolet disinfection.

2. Economical

Hundreds of gallons are purified for each penny of operating cost.

3. Safe

No danger of overdosing, no addition of chemicals.

4. Fast

Water is ready for use as soon as it leaves the purifier – no further contact time required.

5. Easy

Simple installation and maintenance. Compact units require minimum space.

6. Automatic

Provides continuous or intermittent disinfection without special attention or measurement.

7. Chemical Free

No chlorine taste or corrosion problems.