CiDRA wins Chilean mining contract

WALLINGFORD, Conn.– April 13, 2009 - CiDRA Minerals Processing announced today that it has been awarded, through Bechtel Chile Ltda, its third expansion contract to supply SONARtrac process monitoring systems to Minera Los Pelambres in Chile, the world’s fifth largest copper mine. The SONARtrac systems will provide volumetric flow measurements on critical slurry lines within the concentrator plant and work integrally within the Los Pelambres expansion project awarded to Bechtel. Specifically, this win for CiDRA is part of the “Repower 2 Project – Minera Los Pelambres,” scheduled for completion in 2010, will increase the capacity of the mine's concentrator from 145,000 tons (132,000 tonnes) to 175,000 tons (159,000 tonnes) per day.

The project, located in the Andes some 124 miles (200 kilometers) from Chile's capital, Santiago, comprises two main work sites: the mine area and primary crusher at an elevation of 9,800 feet (almost 3,000 meters), and the concentrator at 5,200 feet (1,600 meters). A conveyor transports ore from the crusher to the concentrator. Minera Los Pelambres is considered a star in the Chilean mining industry, having one of the lowest production costs in the industry.

CiDRA’s SONARtrac flow technology is a new class of industrial flowmeter, using measurement principles that are distinct from all other flowmeter technologies operating in the mining industry. SONARtrac non-intrusive flow monitoring systems make no contact with the slurry and can be removed and reinstalled when it is necessary to replace the pipe. As well, SONARtrac systems demonstrate a very stable output in the presence of a variety of ores and demonstrate superior levels of performance. This passive, sonar-based technology enables measurements of single phase and multiphase fluids, as well as slurries, with the same level of accuracy and performance.

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