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Oil Water Separators in Montreal, Quebec
Industrial Wastewater Canada sizes and supplies oil water separators for plants in Montreal, Quebec. Local demand is driven by aerospace, food & beverage, pharmaceuticals, petrochemicals, discharging under Montreal's sewer-use rules toward St. Lawrence River. Quote requests with flow rate and effluent type get a sized proposal.
Every vehicle wash bay, machine shop, fuel depot and refinery in Canada faces the same line item in its sewer-use bylaw: oil and grease, typically capped somewhere between 15 and 100 mg/L depending on the municipality. An oil water separator is the standard way to meet that cap. It exploits the density difference between oil and water: flow slows inside the vessel, droplets rise and coalesce into a surface layer that gets skimmed, and cleaned water leaves from below.
Two designs, one choice
The choice that matters is between the two main designs. A gravity API separator is a long rectangular basin sized to Stokes' law, built to let droplets of roughly 150 microns and larger rise out. It is robust, tolerant of solids and easy to maintain, which is why refineries still standardize on it. A coalescing-plate separator adds inclined plate packs or oleophilic media that intercept far smaller droplets, down to about 20 to 60 microns, so it reaches better effluent quality in a fraction of the footprint. Our coalescing configurations hold effluent under 10 ppm oil and grease in free-oil service, and many sites pair an API basin with a coalescing polishing stage.
Above-grade, below-grade and API 421
We quote both, in above-grade and below-grade tanks, with API 421 compliant configurations where the specification calls for it. Options include oil-stop valves that close automatically when the oil layer reaches capacity, high-level alarms, and sludge baffles for streams that carry grit. What a separator will not do is remove chemically emulsified or dissolved oil; if your stream carries surfactants from a wash process, we will tell you plainly that you need chemical treatment or flotation ahead of the separator, because selling you a tank that cannot meet your limit helps neither of us.
Sizing from your real flows
Sizing depends on flow rate, droplet size distribution and oil type, which is why the search term oil water separator, at 480 searches a month in Canada, so often ends in a mis-sized purchase from a catalogue. Send us your flow, a recent lab analysis or a description of the process, and your discharge destination. We return a sized configuration, budget price and delivery timeline, reviewed by a process engineer before it reaches you, for any site in Canada. Installation support and commissioning are quoted per project, and replacement plate packs and media remain available for the life of the vessel. Below-grade installations ship with traffic-rated covers where the separator sits in a drive lane, and we keep skimmer parts and alarm components on the shelf so a maintenance call does not become a compliance gap.
An industrial discharger in Montreal answers to two regulators at once. The metropolitan community's By-law 2008-47 governs what the city's sewers will accept, while Quebec's environment ministry (MELCCFP) issues the industrial attestations that direct dischargers to the St. Lawrence must hold. Quebec MELCCFP industrial discharge attestations; CMM By-law 2008-47 governs sewer discharge across the metro. That is the regulatory backdrop for oil Water Separators in Montreal: equipment gets sized against the local limits on the route to St. Lawrence River, not against a national average.
Location
Montreal, Quebec
Population 1,763K
Receiving Water
St. Lawrence River
Pricing
Sized & quoted per project
What's Included in Montreal
Sizing against Montreal's sewer-use and surcharge regime (quebec MELCCFP industrial discharge attestations; CMM By-law 2008-47 governs sewer discharge across the metro)
Support for direct-discharge projects requiring a ministerial authorization under section 22 of Quebec's Environment Quality Act
Effluent characterization matched to Montreal's dominant dischargers: aerospace, food & beverage, pharmaceuticals, petrochemicals
Discharge route review for systems releasing toward St. Lawrence River
Oil Water Separators on the ground in Montreal
Montreal industrial wastewater lives under a double layer of regulation, CMM By-law 2008-47 for the sewer and MELCCFP attestations for the St. Lawrence, and every compliance file has to stand up in French. In Montreal, the plants asking about oil Water Separators are mostly in aerospace, food & beverage, pharmaceuticals and petrochemicals, and each of those sectors puts a different load on a treatment train. Quebec MELCCFP industrial discharge attestations; CMM By-law 2008-47 governs sewer discharge across the metro. Direct discharge toward St. Lawrence River instead requires a ministerial authorization under section 22 of Quebec's Environment Quality Act. A metro of Montreal's size runs enough industrial flow that the municipal plant polices its intake closely, and surcharge invoices arrive on schedule. We quote oil Water Separators in Montreal often, and the sizing conversation usually starts from a surcharge bill or a compliance letter rather than from a catalogue.
FAQ
Frequently Asked Questions
Everything you need to know about our services.
Do you supply oil Water Separators in Montreal?
Yes. Industrial Wastewater Canada sizes and supplies oil Water Separators for plants across Montreal and the surrounding region. Most local demand comes from aerospace, food & beverage, pharmaceuticals, petrochemicals. Send a quote request with your flow rate and effluent type and a sized proposal follows.
What discharge rules apply to industrial wastewater in Montreal?
Quebec MELCCFP industrial discharge attestations; CMM By-law 2008-47 governs sewer discharge across the metro. Aerospace surface-treatment shops, food and beverage plants, pharmaceutical manufacturers and the east-end petrochemical corridor all navigate this double layer. Two regulators, one discharge point The practical consequence is paperwork with teeth: a pretreatment system here has to be documented in French, matched to the attestation's specific parameter list, and able to prove itself with composite sampling rather than grab samples. Plants discharging to the municipal sewer answer to that regime; anything released directly toward St. Lawrence River needs a ministerial authorization under section 22 of Quebec's Environment Quality Act. We size equipment against whichever limit governs your outfall.
How is oil Water Separators sized for a plant in Montreal?
From your numbers, not from the city's. We start with measured flow and effluent characterization, then check the result against Montreal's local limits. A processor in a city of 1,763K with aerospace as the dominant sector rarely has the same loading profile as its neighbours, so treatability data drives the selection.
What does oil Water Separators cost in Montreal?
There is no list price; every system is sized and quoted per project. The economics are local, though. Aerospace platers worry about chromium and cyanide limits measured in the hundreds of micrograms per litre; a brewery worries about BOD surcharges instead. We build the treatment train around the specific attestation or by-law schedule a plant holds, then set up the sampling and reporting so the compliance file writes itself. Payback in Montreal is usually calculated against those surcharge and compliance costs, and the quote spells that comparison out.
Send the flow rate. Get the system.
Flow, contaminants, discharge limit. An engineer replies with a sized treatment train and a quote — no obligation.
In this city
Equipment available here.
Industrial Wastewater Treatment Systems→Oil Water Separators→Dissolved Air Flotation (DAF) Systems→Membrane Bioreactor (MBR) Systems→MBBR Systems (Moving Bed Biofilm Reactors)→Lamella Clarifiers→Sludge Dewatering Screw Presses→Dewatering Centrifuges→Industrial Reverse Osmosis Systems→Wastewater Evaporators & ZLD Systems→Belt Filter Presses→Coalescing Filters→Industrial Bag & Cartridge Filtration→Food & Beverage Processing→Dairy Processing→Breweries & Distilleries→Meat & Poultry Processing→Pulp & Paper→Pharmaceutical & Biotech→Textile & Dyeing→Mining & Mineral Processing→Oil & Gas / Produced Water→Metal Finishing & Plating→Chemical Manufacturing→Power, Boilers & Cooling Towers→
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