Canadian Mining Journal


WATER: FilterBoxx to supply treatment plant for Brucejack project

CALGARY – FilterBoxx Packaged Water Solutions of Calgary has won the contract to supply a permanent sanitary wastewater treatment plant for a mining camp in northwestern British Columbia.

The project in question is Brucejack mine and mill belonging to Pretium Resources. Located 65 km north of Stewart, the site is 1,515 metres above sea level and has the second highest snowfall rating in Canada. With ice roads as the primary method of travel in and out of the camp, access and to and from the site is very limited. In addition to the challenges of a remote site, a plant that produces treated water effluent that meets ministry of environment’s discharge limits of BOD <5.0 mg/l and TSS <5.0 mg/l was essential.

“FilterBoxx became involved with the project in mid-2014 with the supply of a temporary wastewater treatment plant. The plant supported the existing on-site work camp and treated 75 m3/d of wastewater. The membrane bioreactor (MBR) plant was supplied completely pre-assembled, tested and commissioned prior to shipping. This unit was designed to withstand the harsh Canadian climate that would be expected atop the glacier,” commented FilterBoxx CEO Larry Novachis. “FilterBoxx was responsible for complete plant operations and performed routine plant maintenance during this time period.”

During mid-2015, following regulatory approvals and financing at Brucejack, FilterBoxx began pre-design on a plant expansion for a permanent installation. The permanent plant was awarded to FilterBoxx based on the standard pre-engineered design in September 2015, and will be delivered to site in Q1 2016.

The permanent treatment system will continue to utilize MBR technology to meet the strict discharge regulations for surface water. The system capacity was expanded to 150 m3/d and now includes a sludge dewatering and drying system. Overall footprint of the permanent plant, including sludge dewatering and drying equipment, will be three modular buildings each measuring roughly 3.0 by 15.0 metres.

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