Efficient Solid-Liquid Separation
The targeted removal of solids from process and wastewater is far more than just a technical necessity. It serves as a reliable preliminary stage for removing contaminants—before subsequent process steps take place or the water is safely discharged. Only this clean foundation ensures compliance with strict limits and protects all of your plant equipment. And what if you want to use a recirculation system? That’s where this efficient particle separation comes into play.
Rising costs and stricter environmental regulations call for intelligent industrial wastewater treatment. Our filtration processes are designed for the highly efficient removal of solids and particles to ensure that your wastewater meets discharge standards. As a crucial step prior to final discharge—or as a safeguard for downstream treatment systems—filtration ensures compliance with the strictest limits and significantly reduces your wastewater fees through targeted removal of contaminants. Depending on the process requirements, this method is also ideally suited for preparing partial streams in a manner that meets the necessary criteria for subsequent recycling.
Filtration acts as a protective shield for your downstream systems. By precisely removing suspended solids, particles, and long-chain organic matter, you can effectively prevent deposits and blockages. The result is noticeably longer maintenance intervals and maximum service life for your valuable plant equipment.
By treating industrial wastewater, you can reduce your fresh water consumption and minimize your wastewater fees at the same time. Returning treated water to the cycle transforms disposal costs into valuable resources and pays for the investment in a short period of time.
Stricter environmental regulations leave no room for leeway: Anyone who discharges wastewater is under close scrutiny. Our filtration system establishes a reliable, physical barrier and safely removes critical contaminants from the water stream before it leaves the facility. This effectively protects you from exceeding limit values, costly fines, and production shutdowns ordered by regulatory authorities.
Every type of industrial wastewater is unique. Whether it’s particles or organic contaminants—our filtration processes step in where standard filters fall short. We develop the right wastewater treatment solution to precisely meet the requirements of your industry.
Using modern industrial separation technology, we transform contaminated water into clean process water. This structured process ensures your facility’s compliance and enables cost-effective reuse and discharge.
Sand, glass, or multimedia filters act as a precise mechanical barrier against plastic particles, sand, and abrasives. As a key component of a treatment process that typically involves multiple stages, these filters come into play precisely where upstream steps such as precipitation, coagulation, or clarification have already optimally prepared the substances. Only this perfect interaction effectively protects downstream high-performance components—such as membrane systems or ion exchangers—from wear and tear and drastically increases their service life.
Dissolved iron and manganese cause sticky deposits and brown discoloration in the plant. While iron oxidizes easily, manganese is chemically extremely inert. Here, we rely on targeted pre-oxidation through aeration, combined with a microbiologically activated dolomite filter material. This acts as a biological catalyst that converts even stubborn manganese into filterable particles and safely removes them.
As a highly selective preliminary treatment step, this process also paves the way for optional downstream modules—such as water softening, for example, if your process water also needs to be treated to remove stubborn limescale.
Non-emulsified oils and fats, as well as floating layers, are separated from the water stream by mechanical separators or coalescing filters. By connecting these separators to flotation systems (DAF) or downstream adsorption stages, we protect sensitive processes from contamination by oils and fats and increase the operational reliability of the entire plant.
Filtration specifically removes the particulate fraction of organic contamination. For best results, we combine this mechanical cleaning with biological treatment to reliably reduce both dissolved and suspended organic loads to levels below the discharge limits.
Complex organic molecules such as pesticides and herbicides are almost completely removed by specialized activated carbon filters. In combination with UV irradiation or advanced oxidation processes, we ensure that even hard-to-degrade environmental toxins are removed without leaving any residue and that your site operates in full compliance with the law.
Pharmaceutical residues are removed from the water through adsorption onto activated carbon. We typically integrate this filtration system as a final stage following biological treatment to prevent critical trace substances from entering the public sewer system uncontrolled.
After chemical precipitation, heavy metals are mechanically separated using filter media or chamber filter presses. We combine chemical treatment and precision filtration in a coordinated process to minimize the pollutant load and meet strict regulatory requirements.
Our filtration processes use mechanical separation to reliably remove solids and suspended solids from the water. Using modern, robust machinery, we optimize this process for demanding industrial sectors. The goal is to achieve highly efficient treatment of your process water and wastewater that dynamically adapts to changing loads. This solution meets the stringent requirements of various industries, guarantees consistently high quality in particle separation, and reliably protects downstream systems and the final discharge from equipment wear.
Before the water reaches the actual filter, dissolved or very fine substances are converted into a form that can be filtered out. When flocculants are added, even the smallest particles, for example, clump together to form larger units. This step ensures that even particles that would otherwise be too small for the filter medium are trapped.
The pretreated water flows through the appropriate filter medium, which is precisely tailored to your particle load. Depending on the process—whether deep filtration in a sand bed or highly efficient surface filtration using special filter cloths—solids, flocs, and the finest particles are reliably retained. As the treated water passes through the barrier, mechanical loads and disruptive suspended solids are effectively removed.
To ensure that the system maintains consistent performance, the filter medium cleans itself fully automatically, depending on the system type. While sand and gravel filters are backwashed cyclically in a countercurrent flow, cartridge and cloth filter systems use highly effective pulse or continuous cleaning methods. The trapped dirt particles are reliably dislodged and systematically removed. This means the system is immediately ready for the next filtration cycle without any lengthy downtime.
Every industrial process requires different water qualities. With us, you’ll always find exactly the right solution for your wastewater treatment.
Our filtration system serves as the critical barrier against harmful particles and deposits. The system really shows its strengths when used with well water: An integrated pre-oxidation process first converts dissolved iron into filterable particles, which are then reliably removed. This ensures stable system operation and makes you permanently independent of expensive municipal water.
High-quality process water ensures your product quality and protects your infrastructure. Our filtration processes are the crucial first step in this process: They completely remove particles and turbidity to provide optimal protection for downstream systems such as water softening, reverse osmosis (RO), or EDI mixed-bed systems. This coordinated sequence of processes guarantees you the exact level of water purity required for your industrial processes.
Not every application requires drinking-water quality. The water treated using our filtration processes provides the ideal basis for cooling processes, fire suppression systems, or washing applications. This recirculation system allows you to optimize your water balance, sustainably reduce operating costs, and simultaneously meet the strict environmental requirements of modern industrial sites.
Break the cycle right at its source. Using state-of-the-art filtration methods, we treat your wastewater so that it can remain in the process on a permanent basis. The result is a drastic reduction in your wastewater fees and the assurance of your site’s long-term viability through independence from local resources—environmentally sound and highly attractive from an economic standpoint.
Spaleck Wassertechnik GmbH
6 Robert-Bosch Street
46397 Bocholt
Phone: +49 2871 2134 – 0
E-mail: info@spaleck.de
Every industry has its own unique requirements for water treatment—whether due to fluctuating contaminant loads, strict legal discharge limits, or sensitive production processes. We tailor our process engineering modules exactly to your industry’s needs. Discover our customized solutions for maximum process reliability and cost-effectiveness in your industry.
Cooling lubricants, oils, and metal particles place a massive strain on your circulation systems. Our filtration processes guarantee reliable removal of these substances and protect subsequent process stages from sludge buildup. The result is clearly purified water that is ideal for reuse in cooling and production cycles.
High loads of sugar, fats, and proteins pose a challenge to your process chain. Our filtration processes reliably remove these organic substances and solid particles, preparing the water for further treatment. This ensures hygienically clean recirculating water and reliable compliance with strict discharge regulations in food production.
Pigments, resins, and solid residues require high-performance processing. Through the use of specialized filtration processes, these substances are reliably removed to protect subsequent process stages from clogging. In combination with adsorption stages, the water is thus made suitable for further production steps or safely prepared for discharge.
Complex chemical compounds and particulate matter pose the greatest challenges for cleaning. Our filtration processes reliably remove undissolved substances, thereby protecting downstream separation processes from fouling and failures. When combined with adsorption stages, you’ll obtain process-reliable water for subsequent production steps while minimizing costly disposal fees.
Fibers, starch, and fine suspended solids often result in high wastewater loads in paper production. Our filtration processes enable the precise removal of these residues to prevent clogging in the screening sections and increase plant uptime. In combination with additional treatment stages, we thus promote the widespread recycling of water back into the production process and help you maintain a sustainable water balance.
Every production process has its own ecological footprint. Our filtration processes can be flexibly adapted to your specific parameters to reduce particle loads and efficiently reuse water. By combining different types of systems, we design the safest and most cost-effective solution for you—tailored precisely to your industry’s requirements.
If you have any questions about SPALECK water technology, our experts will be happy to assist you.
Here are some questions about SPALECK Wassertechnik filtration systems. If you have any further questions, please feel free to contact us.
Yes, most systems have a modular design. They can be integrated into existing infrastructures to save space, for example to reduce the load on existing biological stages or to extend the service life of membrane systems.
Our modern filtration processes react flexibly. Upstream conditioning stages or the combination of several filter lines allow peak loads to be buffered without jeopardizing the quality of the filtrate.
Our systems are designed for maximum automation. Through sensor-controlled cleaning cycles, the respective filter medium cleans itself automatically as soon as a defined differential pressure is reached. This minimizes the need for manual intervention, prevents Blockages, and ensures consistently high flow rates during continuous operation.
Due to their design, individual filters can usually only handle a specific range of particles. For optimal results, we combine various processes into an intelligent chain: While robust coarse filtration in the first step captures the large solids, downstream fine filtration ensures that even the smallest suspended solids are completely removed. Only through this combination can we achieve consistently high water quality and reliably protect your system.
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