Top 10 Wastewater treatment plant Suppliers, Manufacturers, Wholesalers and Traders in Belgium

For over 25 years, AquaTech Solutions has been a cornerstone of Belgium's industrial wastewater treatment scene. What sets them apart? Their obsession with customization. Unlike one-size-fits-all suppliers, AquaTech takes the time to understand each client's unique challenges—whether it's high levels of contaminants in chemical plant runoff or fluctuating flow rates in food processing facilities. Their team of engineers designs tailored systems that not only meet but exceed Belgium's strict environmental standards.

At the heart of their offerings is advanced water process equipment, including membrane bioreactors and dissolved air flotation units, which efficiently remove solids and organic matter. They also specialize in effluent treatment machine equipment that polishes wastewater to near-drinking water quality, allowing clients to reuse water in their operations and reduce reliance on fresh sources. Recent projects include a state-of-the-art system for a major brewery in Flanders, which cut water usage by 40% and eliminated harmful discharge into local waterways.

"We don't just sell equipment—we build partnerships," says CEO Marie Dubois. "Our clients trust us to grow with them, adapting their treatment systems as their needs evolve. That's the AquaTech promise."

EcoFlow Industries has earned its reputation as a versatile powerhouse, serving both municipal authorities and industrial clients with equal expertise. Founded in 1998, the company has expanded from a small local supplier to a national leader, thanks to its focus on innovation and reliability. What makes EcoFlow stand out is its holistic approach: they don't just treat wastewater—they address the entire lifecycle, including air pollution control to ensure no harmful emissions escape during processing.

Their air pollution control system equipment is a game-changer for industrial clients, especially those in manufacturing and chemical production. These systems capture and neutralize volatile organic compounds (VOCs) and particulate matter, ensuring compliance with Belgium's strict air quality regulations. On the wastewater side, their sludge dewatering units are lauded for their efficiency, reducing waste volume by up to 70% and turning sludge into a reusable byproduct (like fertilizer for agriculture).

For municipalities, EcoFlow's modular treatment plants are a hit, as they can be scaled up or down to match population growth. A recent project in Wallonia upgraded a 30-year-old plant to handle 50% more wastewater while using 25% less energy—a testament to their commitment to sustainability.

In a world where water scarcity is becoming a pressing concern, HydroClean Systems is leading the charge for water reuse. This Brussels-based supplier specializes in systems that transform wastewater into a valuable resource, particularly for water-intensive industries like pharmaceuticals and electronics manufacturing. Their tagline—"Wastewater is just water waiting to be reused"—reflects their mission to close the loop on water consumption.

HydroClean's water process equipment includes cutting-edge reverse osmosis and nanofiltration systems that remove even the tiniest contaminants, making recycled water suitable for everything from production lines to cooling towers. They also offer advanced oxidation processes for hard-to-treat wastewater, such as that containing heavy metals or pharmaceutical residues.

One of their most innovative solutions is a solar-powered wastewater treatment system designed for remote industrial sites. By combining renewable energy with efficient treatment technology, HydroClean helps clients reduce both their carbon footprint and water bills. "Sustainability isn't a buzzword for us—it's the core of everything we do," says lead engineer Thomas Vandenberghe. "We want to make water recycling accessible to every business, regardless of size or location."

For businesses facing complex wastewater problems—think textile dye houses with colored effluent or automotive plants with oil-laden runoff—WasteWater Pros is the go-to partner. This Antwerp-based supplier specializes in turnkey treatment plants, handling everything from design and installation to maintenance and staff training. Their end-to-end approach takes the stress out of compliance, allowing clients to focus on their core operations.

At the heart of their offerings is a range of effluent treatment machine equipment, including biological reactors that use naturally occurring bacteria to break down organic pollutants, and chemical precipitation systems for heavy metal removal. They also excel in treating high-salinity wastewater, a common issue in food processing and leather tanning.

A recent success story involves a textile manufacturer in Ghent that was struggling to meet discharge limits for azo dyes. WasteWater Pros designed a custom system combining anaerobic digestion and advanced oxidation, reducing dye levels by 99% and allowing the company to avoid costly fines. "We thrive on challenges," says sales director Sophie Laurent. "The more complex the wastewater, the more we enjoy finding a solution."

GreenStream Technologies proves that environmental responsibility and cost savings can go hand in hand. This Liege-based supplier focuses on energy-efficient wastewater treatment solutions, helping clients reduce their carbon footprint while lowering utility bills. Their systems are designed to minimize energy use without compromising performance—a win-win for both the planet and the bottom line.

One of their standout products is a low-energy aeration system for activated sludge processes, which uses 30% less electricity than traditional systems. They also offer UV disinfection units that require minimal maintenance and have a longer lifespan than chemical disinfection methods. For clients concerned about air quality, GreenStream's air pollution control system equipment includes energy-efficient scrubbers and biofilters that remove odors and pollutants without excessive power consumption.

"We believe sustainability shouldn't cost more—it should pay off," says founder Jean-Pierre Lambert. "Our clients see returns on investment within 2–3 years, thanks to lower energy and chemical costs. That's how we've built long-term relationships with businesses across Belgium."

PureWater Belgium is unique in its ability to serve both municipal water authorities and industrial clients, offering a seamless range of solutions from drinking water purification to wastewater treatment. With a network of offices in Brussels, Antwerp, and Charleroi, they're able to provide localized support to clients across the country.

Their water process equipment includes state-of-the-art reverse osmosis systems for desalination, which are critical in coastal areas like West Flanders where saltwater intrusion is a concern. For wastewater treatment, they specialize in compact systems ideal for hotels, hospitals, and small municipalities. These systems combine biological treatment with disinfection, ensuring safe discharge or reuse.

What clients love most about PureWater is their commitment to transparency. They provide detailed energy and water audits before designing a system, so clients know exactly what to expect in terms of performance and costs. "Trust is everything in this industry," says customer service manager Lise Moreau. "We're upfront about what our systems can and can't do, and that honesty has earned us a loyal client base."

Mining, metalworking, and other heavy industries generate some of the most challenging wastewater, often loaded with heavy metals, oils, and suspended solids. IndustrialFlow Systems, based in Hasselt, specializes in equipment that can handle these tough conditions day in and day out. Their rugged, durable systems are built to withstand high temperatures, corrosive chemicals, and variable flow rates.

Their effluent treatment machine equipment includes centrifuges for dewatering sludge, chemical dosing systems for pH adjustment, and ion exchange columns for heavy metal removal. They also offer specialized filtration systems for removing emulsified oils, a common problem in metalworking facilities.

One of their most impressive projects was a treatment plant for a zinc mine in Wallonia, which now processes over 5,000 cubic meters of wastewater daily, removing 99.9% of heavy metals before discharge. "These industries can't afford downtime, so our equipment is designed to be low-maintenance and highly reliable," says technical director Pieter Janssens. "We stand behind our systems, offering 24/7 support to ensure our clients never miss a beat."

CleanWave Engineering is at the forefront of the digital transformation in wastewater treatment. This Ghent-based supplier integrates IoT (Internet of Things) technology into their systems, allowing clients to monitor and control treatment processes in real time, from anywhere in the world. Their smart systems use sensors and AI to detect issues before they become problems, reducing downtime and improving efficiency.

Their AI-driven water process equipment can automatically adjust treatment parameters based on incoming wastewater quality, ensuring optimal performance even when conditions fluctuate. For example, if a food processing plant suddenly discharges a high load of sugars, the system will increase aeration in the biological reactor to prevent a spike in BOD (biological oxygen demand).

CleanWave also offers a user-friendly dashboard that provides insights into energy usage, chemical consumption, and treatment efficiency, helping clients identify areas for improvement. "The future of wastewater treatment is smart," says CEO Elise De Smet. "By combining technology with traditional engineering, we're creating systems that are not just efficient, but intelligent. Our clients can focus on their business while we ensure their water is treated perfectly, every time."

BlueSphere Solutions believes wastewater treatment should be part of a larger circular economy, where waste is minimized and resources are recovered. This Brussels-based supplier specializes in systems that extract valuable materials from wastewater—such as phosphorus, nitrogen, and even rare metals—turning a cost center into a revenue stream for clients.

Their resource recovery systems are particularly popular in agriculture and food processing, where nutrients like nitrogen and phosphorus can be converted into organic fertilizers. They also offer air pollution control system equipment that captures CO2 from treatment processes, which can then be used in greenhouse operations or sold to beverage companies.

One of their most innovative projects is a partnership with a vegetable processing plant in Flanders, where wastewater is treated to recover proteins and fibers for animal feed, while the remaining water is reused in irrigation. "We're not just treating wastewater—we're unlocking its hidden value," says sustainability director Jan Van den Broeck. "The circular economy isn't just good for the environment; it's good for business, too."

Last but certainly not least, WaterWorks Belgium focuses on making high-quality wastewater treatment accessible to small and medium-sized businesses (SMEs) and local governments. Too often, smaller operations are priced out of advanced treatment solutions, but WaterWorks is changing that with compact, affordable systems that don't skimp on performance.

Their modular effluent treatment machines are designed to fit in tight spaces, making them ideal for urban SMEs like restaurants, small factories, and hotels. These systems are easy to install and operate, with plug-and-play components that require minimal technical expertise. WaterWorks also offers flexible financing options, including lease-to-own programs, to help SMEs manage upfront costs.

For local governments, they provide cost-effective municipal systems that can serve communities of 5,000 to 50,000 residents. A recent project in a small town in Wallonia replaced an outdated septic system with a compact treatment plant that now serves 8,000 people, improving water quality in the nearby river and reducing maintenance costs by 30%. "Every business and community deserves access to clean water solutions," says founder Karine Lefèvre. "At WaterWorks, we're on a mission to make that a reality."