Click here to enlarge imageThe UK company Hanovia installed a Photon UV water disinfection system that destroys any microbiological contamination in boiler feedwater in the power station boiler water treatment plant of Slough Heat and Power (SH&P) Limited, England. A wholly-owned subsidiary of Slough Estates plc, SH&P supplies electricity, water, steam and district heating on the estate.
Feedwater is abstracted from local boreholes, chlorinated at source and treated with UV before delivery to the reverse osmosis (RO) plant. The RO permeate is then polished with a demineralisation unit before use as boiler water. Handling 40 m3/h, the UV system destroys microbiological contamination before it passes through the RO plant, which is vulnerable to biological fouling.
Photon UV series controls provide an interactive microprocessor-driven controlled system. Screen displays include UV dose in mJ/cm2, UV intensity in mW/cm2 or percentage, hours run, water flow rate and temperature. The Hanovia UV monitor is sensitive only to germicidal wavelengths and is immersed directly in the water to avoid problems of condensation on windows.
Hanovia Limited
Slough, Berkshire, England
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Filter system handles high dirt content
The automatic filter HydroFluid allows continuous fine filtration (from 10 µm) of liquids with high dirt content in water, wastewater, industrial water and oil-rich media treatment applications. The automatic filter functions without backflushing or mechanical cleaning.