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Mining and primary metals

Pre-operational maintenance at the largest aluminium production complex in Quebec


Applications :
Pre-operational maintenance, compressed air system

Background :
One of the largest producers of primary aluminium in the world spent 2.2 billion US dollars to build this state-of-the-art smelter complex. Construction began in 1998 and concluded in 2001. Aluminium production began towards the end of the year 2000. Pre-operational cleaning was planned, especially for compressed air piping. The Compressed Air Center must provide dry, filtered, oil-free air for the whole production complex. After construction, the inner piping surface was covered by cutting fluids and preservative oil, which allowed particles to stick to the surfaces. Contamination caused by welding also had to be removed.

Results :

GOTAR Technologies contributed its expertise to one of the biggest construction sites in North America. The effectiveness and value of GotarTM products was demonstrated once again in the degreasing of compressed air lines throughout the complex.

Approximately seven kilometres of 4 to 12 inch piping were treated with Gotar-DG, removing all contaminants within the system. This translates into approximately 300,000 litres of product (80,000 US gallons or 66,000 imperial gallons). 

The entire construction project was under the management of Bechtel and SNC-Lavalin, which approved GotarTM products and application procedures for the cleaning of the compressed air lines. The efficiency of the process instrumentation connected to the air lines was also protected by the pre-operational cleaning.
 


Products :
Gotar-DG (Gotar-DG500)

Keywords :
Compressed air system, pre-operational maintenance, piping, Alcan, degreasing, decontamination Aluminum, aluminium, biodegradable, non-toxic, Bechtel, SNC-Lavalin, Alma
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