Pacific place contaminated groundwater treatment facility
Location: Vancouver, B.C.
Owner: B.C. Ministry of Environment, Lands and Parks
Description: This $1.5 million facility is capable of treating 135 L/min of contaminated groundwater, removing primarily BTEX and PAH. Through aeration, pH adjustment, and polymer addition, flocculation and settling, the majority of the contaminants are removed. Polishing of the groundwater is provided by granular activated carbon filters and a self-cleaning sand filter. Included in the design is ammonia removal using superchlorination, dechlorination and carbon filtration, allowing for discharge to the storm sewer. Sludge filter press is provided to dewater the sludge. The facility is automatically controlled by a PLC.
Role: Process consultant, design engineer, commissioning and plant operation.