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Upper Left: Activated carbon filters.
Lower Left: Sludge filter press in foreground, a flocculation
tank and inclined plate settler in the back.
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Upper Right: Treatment Plant Building
Lower Right: Polymer makedown system being adjusted
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| PROJECT: 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. |