CLEARSTREAM WATER TREATMENT GMBH
About
CLEARSTREAM WATER TREATMENT GmbH, based in Florsheim-Dalsheim, Germany, and operating under the ROWE Holding group, develops modular fourth purification stage (4. Reinigungsstufe) systems for eliminating trace substances and micropollutants from municipal wastewater — a requirement driven by Germany's Kommunale Abwasser-Richtlinie (KARL) directive. The company's STP-Prime Basic and STP-Advanced systems achieve elimination rates of 90–99.8% for key pharmaceuticals and persistent organic compounds, including benzotriazole (99.8%), candesartan (99.6%), diclofenac (99.4%), hydrochlorothiazide (99.0%), metoprolol (98.7%), methylbenzotriazole (98.1%), carbamazepine (95.7%), irbesartan (94.6%), venlafaxine (94.4%), amisulpride (93.2%), clarithromycin (90.1%), and citalopram (79.1%) — all measured below the 0.025 µg/L detection limit. A key differentiator is that CLEARSTREAM's modular technology requires no new clarification basins or additional land, significantly reducing planning and construction timelines compared to conventional fourth-stage installations. The company also offers the SZ 4D-REACT proprietary reaction technology and a range of SZ-branded water filtration products for household and commercial drinking water treatment. Originally founded as SZ Water Treatment System GmbH, the rebranded CLEARSTREAM provides distribution, service, installation, and contract manufacturing services for system manufacturers in water treatment and electrical engineering.
Key Products
Modular fourth-stage wastewater treatment system for elimination of trace substances and micropollutants from municipal effluent; no new basins required, scalable design.
Enhanced fourth-stage wastewater treatment system with higher elimination rates for pharmaceuticals and persistent micropollutants including diclofenac, benzotriazole, and carbamazepine.
Proprietary 4-dimensional reaction technology for advanced water treatment and filtration applications in household and commercial settings.
Filtration products for household and commercial drinking water treatment, removing sediment, chlorine, taste, odor, and bacteria down to 0.1 micron.
Treatment system platform referenced in product documentation, likely a multi-stage filtration or reaction technology for water treatment applications.
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