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Sunday, June 26, 2005

Pure Logix - Clean and Safe Water

A purification system that is designed to remove viruses, bacteria, parasites, pesticides and heavy metals from water could provide developing nations with a low-cost, sustainable supply of safe drinking water, its UK maker claims.

Recent data from the World Health Organisation suggests that up to 3,000 children die each day through consumption of polluted water. The Aqualogix, invented by Essex firm Ashton Industrial, can produce 5,000 litres of drinking water daily from surface water sources such as lakes and rivers — enough to sustain 1,000 people.

It can also process brackish water into fresh water for drinking and irrigation. It does not require a power supply or chemicals and can be operated using a foot pump or connected to a vehicle battery or solar power system.

The device uses Ultra-Filtration (UF) to remove impurities. Water is strained through a sieve to capture weeds and coarse matter, then passed through an Active Carbon filter impregnated with tiny amounts of silver to prevent bacterial growth. This improves taste and removes pesticides, herbicides and nitrates.

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