Precision down to the molecular level
With our state-of-the-art membrane processes, we provide physical barriers against the finest particles, germs, and dissolved substances. Whether it’s ultrafiltration, nanofiltration, or reverse osmosis—we achieve the highest levels of purity for the reuse of process water and the protection of your resources.
Membrane filtration is a key component of modern wastewater treatment. Thanks to their defined pore structure, membranes reliably separate even the smallest particles and microorganisms from the water. Whether used as a final purification stage or for targeted substance recovery, our membrane systems ensure consistently high water quality for your process and lay the foundation for flexible water reuse.
As part of our comprehensive solutions, membrane filtration delivers water quality that allows for direct recirculation into your processes. Particles and microorganisms are reliably retained, thereby safeguarding and stabilizing the entire process and wastewater treatment.
Compared to traditional secondary clarification processes, membrane systems require significantly less space. This efficiency allows us to integrate wastewater treatment into your existing infrastructure—even in spaces with limited room—as a high-performance, future-proof, turnkey solution.
Membrane systems are characterized by consistent separation performance, even when the quality of the influent wastewater varies significantly. This ensures reliable plant operation and guarantees that downstream processes are supplied with water of precisely defined quality at all times.
Our membrane systems help you reduce wastewater fees and lower your operating costs in the long term. Thanks to efficient recirculation, the wastewater treatment system pays for itself in no time—both economically and environmentally.
Every process is different. If your wastewater contains specific contaminants that exceed standard parameters, we will design a customized treatment solution. We intelligently combine our membrane technology with other processes to reliably remove even the most complex contaminants.
Whether it’s rare chemical residues or extreme load spikes: We analyze your requirements and provide a water treatment solution that is precisely tailored to your limits. With our comprehensive solutions, you can ensure the efficiency of your plant and the quality of your water—today and in the future.
Fibers and minute plastic particles are precisely separated from the wastewater by the membrane. In our turnkey solutions, we often incorporate mechanical pre-treatment systems to reduce the load on the membranes. This combined treatment protects the system components and produces crystal-clear effluent.
Long-chain hydrocarbons pose particular challenges in wastewater treatment. Conventional separators cannot reliably remove particularly finely emulsified compounds. Only the combination of tailored pretreatment and our high-performance membrane systems can physically and reliably separate even the finest droplets.
Dissolved metal ions require a particularly high degree of selectivity. We often combine precipitation and flocculation with modern reverse osmosis membranes to efficiently filter heavy metals out of wastewater. This enables us to comply with the strictest limits through a multi-stage wastewater treatment process.
For applications that require extremely low conductivity, reverse osmosis is the method of choice. It removes dissolved salts almost completely. When combined with ion exchange, these solutions provide fully demineralized water to permanently prevent corrosion and scale buildup in your industrial process.
Removing “forever chemicals” requires specialized processes such as nanofiltration. Because PFAS molecules are extremely small, they are blocked by these special membranes due to their size and charge. In our comprehensive solutions, we often combine this with activated carbon to completely remove even the most challenging substances from wastewater.
The membrane process creates a physical barrier that reliably removes contaminants from your wastewater. In our turnkey solutions, the membrane is not a standalone component but rather part of an intelligent, integrated system. Depending on your requirements, we use various filtration stages—from ultrafiltration to reverse osmosis—to deliver exactly the water quality your process needs.
Before the water reaches the membrane, it is optimally treated as part of our wastewater treatment process. Depending on the level of contamination, coarse particles are removed mechanically, or organic matter is biologically degraded by oxygen and microorganisms. This preliminary treatment protects the sensitive membranes from clogging and ensures the durability of the entire system.
At the heart of the process, wastewater is forced through the membrane under pressure. The membrane acts as a precise screen: while clean water passes through the pores, contaminants—depending on the process, ranging from ultrafiltration to reverse osmosis—are physically retained. This allows us to reliably separate substances such as bacteria, microplastics, and dissolved salts.
Although the membrane already acts as a barrier against germs, the water undergoes an additional safety check in a final stage. Even the smallest microorganisms and viruses are reliably inactivated. This ensures you receive hygienically flawless water that meets even the strictest hygiene standards. This added safety is the basis for worry-free reuse in sensitive production areas.
The result of the treatment is purified water of a specified quality. This water can either be discharged directly into the sewer system or recirculated into your system as high-quality process water. This form of water treatment not only minimizes your wastewater fees but also makes your production independent of external water resources.
Every industrial process requires different water qualities. With us, you’ll always find exactly the right solution for your wastewater treatment.
The efficiency of your wastewater treatment depends on the quality of the influent. Our membrane processes protect the biological system and prevent particles from blocking the oxygen supply. As a complete solution, this also allows you to use well water: You protect your equipment from deposits and save on expensive municipal water.
High-quality process water protects your infrastructure. By using precise membrane systems downstream of the biological treatment stage, we ensure that conductivity and purity meet your exact requirements. This provides you with perfectly treated water that is optimally tailored to your process and guarantees that your equipment retains its value.
Not every application requires drinking-water quality. By using targeted membrane processes, we make treated wastewater usable as process water for cooling or washing applications. With these turnkey solutions, you can optimize your water balance, sustainably reduce operating costs, and meet environmental standards for your process at the same time.
Close the loop right at the source. By combining biological treatment stages with specialized filtration systems, we treat your wastewater so that it remains in the process permanently. This comprehensive solution drastically reduces your wastewater fees and secures your site by making it independent of local resources—ecologically sound and highly attractive from an economic standpoint.
Spaleck Wassertechnik GmbH
Robert-Bosch-Str. 6
46397 Bocholt
Phone: +49 2871 2134 – 0
Email: info@spaleck.de
Membrane technology, combined with targeted oxygenation, offers a reliable solution for contaminated wastewater. Through the use of ultrafiltration or reverse osmosis, pollutants are not only biologically degraded but also physically and reliably separated. This comprehensive solution optimally prepares your water for reuse or safe discharge into the process.
Long-chain hydrocarbons place a massive burden on wastewater and can clog conventional systems. Our membrane processes, particularly ultrafiltration, act as a physical barrier that reliably separates even the finest emulsions. In combination with our turnkey solutions, we reliably reduce contaminants and deliver clearly treated water that is ideal for reuse in cooling and production loops.
High concentrations of sugar, proteins, and starch require precise treatment. Through the use of ultra-fine membrane filtration, these organic loads and microorganisms are physically and completely removed following biological degradation. Our comprehensive solutions drastically reduce COD/BOD levels and ensure hygienically clean recirculating water for your process, as well as reliable compliance with strict discharge regulations.
Pigments, solvents, and resins require high-performance treatment. Through a combination of biological degradation and fine-pore filtration, even the smallest residues are physically separated, and the chemical oxygen demand is specifically reduced. This comprehensive solution makes your water suitable for subsequent production steps or safely prepares it for discharge.
Complex organic compounds require precise separation. In our turnkey solutions, we combine aerobic processes with high-performance membrane filtration to physically retain these structures. This ensures you receive water with process reliability, minimizes costly disposal fees, and guarantees purity for your subsequent production steps.
Every production process has its own environmental footprint. Our comprehensive solutions combine flexible membrane processes—from microfiltration to reverse osmosis—with biological treatment stages to specifically reduce environmental impacts. We design the safest and most cost-effective treatment solution for you, enabling you to reuse your water in the process exactly as needed.
If you have any questions about SPALECK water technology, our experts will be happy to assist you.
Here you’ll find some questions about SPALECK Wassertechnik’s membrane processes. If you still have questions, just send us a message.
Very small, dissolved gases or certain extremely short-chain solvents can pass through simple membranes. Here we combine membrane technology in our complete solutions with biological oxygen processes or activated carbon to eliminate these substances completely.
While reverse osmosis requires energy due to the high operating pressure, ultrafiltration is very economical. We optimize our systems in such a way that the energy costs are usually amortized within a short time due to the savings in fresh water and wastewater consumption.
Yes, massively. Filtration makes the wastewater so clean that it either remains in the cycle as process water (zero liquid discharge approaches) or safely falls below the limit values for direct discharge, which eliminates heavy pollutant surcharges.
Fouling or scaling is prevented by intelligent pre-treatment. In our complete solutions, we often install aerobic stages or mechanical filters upstream to reduce the organic load and solids before the water reaches the membrane.
Ultrafiltration physically retains particles, bacteria and viruses. Reverse osmosis goes one step further: using high pressure, it also removes dissolved salts and the smallest organic molecules, resulting in virtually distilled water.
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