Mechanical vapor recompression applied to acid rinse water recovery at Nexans’ copper rod mill

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Nexans’ Montreal copper rod mill installed a Mechanical Vapor Recompression system to separate and recover sulfuric acid and water from the acid-pickling rinse circuit. This was the first installation of its kind in North America. This highly efficient technology increased the rinse water flow rate while recovering the acid-copper solution. This paper describes the installation and performance of this innovative technology.

Description

Nexans’ Montreal copper rod mill installed a Mechanical Vapor Recompression system to separate and recover sulfuric acid and water from the acid-pickling rinse circuit. This was the first installation of its kind in North America. This highly efficient technology increased the rinse water flow rate while recovering the acid-copper solution. This paper describes the installation and performance of this innovative technology.

Additional information

Author(s)

Andre-Claude Lessard, Nexans Canada, Inc., Canada

Publication/Event/Pages

Paper presented at WAI International Technical Conference, Montreal, Quebec, Canada. Paper published in the Wire Journal International, July 2003, pg. 86.

Year

2002