27 March 2007
Companies Announcements Office
Australian Stock Exchange Limited
Aeris Secures Pivotal Mining Contract
Aeris Technologies Limited (ASX: AEI) today announced that it’s wholly owned subsidiary Aeris Biological Systems has signed an exclusive supply contract with BHP Billiton to provide its patented Multi-Enzyme Biofilm Removal technology and related services for the first of their large coal mines.
The contract value for this first site is over $150,000 per annum (the exact contract value is commercial-in-confidence) and involves the supply and application of the Company’s Multi-Enzyme technology and on-going monitoring of biofilm levels in the mine’s large underground water system.
This contract follows lengthy trials with BHP Billiton during which the Aeris technology was validated on-site and in real working conditions.
The use of the Aeris technology will provide BHP Billiton enhanced productivity and improved management of biological contamination in a 6 kilometre, high volume throughput water circuit.
It is estimated there are in excess of 600 underground coal mines worldwide representing almost two-thirds of all hard coal production.
At the Company’s Annual General Meeting in November 2006 Aeris announced that it had undertaken in-field commercial trials with BHP Billiton since September 2005 on the management of biofilm fouling in the water circuit used for dust retention and fire safety purposes. Arising from these trials the Aeris
system was demonstrated to remediate the biofoulling of filters and to enhance productivity. Aeris has made a significant investment in these validation studies in anticipation of further opportunities not only in BHP Billiton (a very large producer in its own right) but also with other leading global mining corporations.
In related activities Aeris Biological Systems has recently generated encouraging results in on-going trials of its advanced Multi-Enzyme Biofilm Removal technology at a groundwater treatment plant in Australia.
Importantly, Aeris continues to have an active R&D investment program in developing a world-class specialist capability in biofilm removal and believes that this initial technical and commercial success with BHP Billiton (the world's largest diversified resources corporation) is a strong validation of the Company’s investments to date and the commercial potential it has now demonstrated.
Huw Jones
Chief Executive Officer
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