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Oil & Gas / Produced Water in Longueuil, Quebec
Industrial Wastewater Canada sizes and supplies oil & gas / produced water for plants in Longueuil, Quebec. Local demand is driven by aerospace, metal finishing, food processing, plastics, discharging under Longueuil's sewer-use rules toward St. Lawrence River. Quote requests with flow rate and effluent type get a sized proposal.
Oil and water separate on their own, given time. The entire discipline of oil and gas wastewater treatment exists because nobody in the industry has that time, and because the last few percent of oil refuses to leave without help. Free oil rises and skims easily. Dispersed droplets need coalescing plates or gas flotation. Emulsified oil, stabilized by production chemicals and shear from pumps, needs chemistry to break before any mechanical device can touch it. Knowing which fraction dominates your stream decides the equipment, which is why we ask for an oil-in-water analysis before we quote anything.
Applications across the value chain
The applications span the value chain. Upstream, produced water from Alberta and Saskatchewan wells carries oil, solids and dissolved salts, and is treated for reinjection, disposal, or reuse in waterfloods, where oil carryover fouls injection formations. Midstream terminals and truck washouts generate slop oil and tank bottoms. Downstream, refineries run API separators as the first line, followed by dissolved gas or air flotation ahead of biological treatment. Gas plants add their own stream: amine and glycol wastes that behave nothing like produced water and should never be mixed with it.
Separators built to API 421
Our equipment for this sector includes API oil water separator packages built to the API 421 gravity-separation design method, corrugated and inclined plate coalescing separators for tighter footprints, induced and dissolved gas flotation units, skimmer systems, and coalescing filter vessels for final polishing where discharge or reinjection specs demand single-digit oil concentrations. For remote batteries and early-production facilities the package arrives skid-mounted and winterized.
Limits differ by regulator
Alberta Energy Regulator directives, Saskatchewan disposal rules and federal offshore regulations each define oil-in-water limits differently, so we design against your specific approval rather than a generic number.
Where your water goes next
Send us the analysis, the flow range and the destination of the water, whether that is disposal well, waterflood or surface discharge. The proposal that comes back will name the separation stages, the expected outlet quality at each, and the turndown behaviour, because oilfield flows never stay at design point for long. A practical note on solids: produced sand and fines shorten the life of every separation stage, so where the well history shows sand production we put hydrocyclones or filtration ahead of the separator rather than letting the API vessel become a settling basin.
Longueuil's aerospace industry gives its wastewater a distinctive chemistry. The surface-treatment shops serving the sector's manufacturers run anodizing, plating and conversion-coating lines whose rinses carry chromates, cyanides and complexed metals, exactly the parameters CMM By-law 2008-47 restricts most severely for the 254,000-resident city's discharge toward the St. Lawrence. Aerospace surface-treatment shops (chromates, cyanides) under CMM 2008-47 metal limits. That is the regulatory backdrop for oil & Gas / Produced Water in Longueuil: equipment gets sized against the local limits on the route to St. Lawrence River, not against a national average.
Location
Longueuil, Quebec
Population 254K
Receiving Water
St. Lawrence River
Pricing
Sized & quoted per project
What's Included in Longueuil
Sizing against Longueuil's sewer-use and surcharge regime (aerospace surface-treatment shops (chromates, cyanides) under CMM 2008-47 metal limits)
Support for direct-discharge projects requiring a ministerial authorization under section 22 of Quebec's Environment Quality Act
Effluent characterization matched to Longueuil's dominant dischargers: aerospace, metal finishing, food processing, plastics
Discharge route review for systems releasing toward St. Lawrence River
Oil & Gas / Produced Water on the ground in Longueuil
Longueuil's aerospace plating shops treat chromates and cyanides under CMM By-law 2008-47 on one side and Nadcap audit scrutiny on the other, so the wastewater system answers to both the inspector and the prime contractor. In Longueuil, the plants asking about oil & Gas / Produced Water are mostly in aerospace, metal finishing, food processing and plastics, and each of those sectors puts a different load on a treatment train. Aerospace surface-treatment shops (chromates, cyanides) under CMM 2008-47 metal limits. Direct discharge toward St. Lawrence River instead requires a ministerial authorization under section 22 of Quebec's Environment Quality Act. In a city of Longueuil's size the industrial dischargers are few enough that the utility knows each one by name, which cuts both ways at permit renewal. Projects in Longueuil tend to be one-of-a-kind rather than repeat configurations, which is exactly the case where sizing from measured effluent data matters most.
FAQ
Frequently Asked Questions
Everything you need to know about our services.
Do you supply oil & Gas / Produced Water in Longueuil?
Yes. Industrial Wastewater Canada sizes and supplies oil & Gas / Produced Water for plants across Longueuil and the surrounding region. Most local demand comes from aerospace, metal finishing, food processing, plastics. Send a quote request with your flow rate and effluent type and a sized proposal follows.
What discharge rules apply to industrial wastewater in Longueuil?
Aerospace surface-treatment shops (chromates, cyanides) under CMM 2008-47 metal limits. Food processors and plastics plants round out the industrial base with more conventional loads. Chromates and cyanides under metro-Montreal limits Metal-finishing wastewater is unforgiving: chromium must be reduced before it can precipitate, cyanide must be oxidized before anything else happens, and mixing the two streams at the wrong point creates problems worse than either alone. 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 & Gas / Produced Water sized for a plant in Longueuil?
From your numbers, not from the city's. We start with measured flow and effluent characterization, then check the result against Longueuil's local limits. A processor in a city of 254K with aerospace as the dominant sector rarely has the same loading profile as its neighbours, so treatability data drives the selection.
What does oil & Gas / Produced Water cost in Longueuil?
There is no list price; every system is sized and quoted per project. The economics are local, though. Compliance in Longueuil therefore starts with segregation at the process line, then staged treatment, chrome reduction, cyanide destruction, hydroxide precipitation, before any combined discharge. Shops here also face aerospace customer audits (Nadcap and OEM flow-downs) that examine effluent handling as part of process control, so the treatment system serves two masters: the CMM inspector and the prime contractor's quality team. Payback in Longueuil 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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