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Hinkley Point B Nuclear Power Station Water

Process type

Multi-flow softener / reverse osmosis / de-ionisation

RO system

Single pass, polyamide membranes

Plant output

Ultra pure water (demineralised)

Total first year output

400,000t

Guaranteed output rate

55m³/hr

Emergency output (with RO bypassed)

Up to 80m³/hr

Typical station demand

40m³/hr to 45m³/hr

Overall water recovery rate

75%

Service factoring

97%

Feed water hardness

50ppm (as CaCO3)

Conductivity @ 25°C

Less than or equal to 0.08µS/cm

Silica

Less than or equal to 10µg/kg (ppb)

Total Organic Carbons (TOC)

Less than or equal to 200µg/kg (ppb)

Sodium

Less than or equal to 5µg/kg (ppb)

Chloride

Less than or equal to 5µg/kg (ppb)

Sulphate

Less than or equal to 5µg/kg (ppb)

Contract agreement signed

January 2003

Installation commenced

April 2003

Commissioning

May 2003

First year of operation ended

21 May 2004

Nuclear power station owners / operators

British Energy

Water treatment plant owners / operators

Ecolochem International
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