Maximize the capabilities of activated carbon to solve water treatment challenges.
From measures against organic substances such as COD, n-Hex, and TOC, to measures against PFAS (per- and polyfluoroalkyl substances). We propose a supply and adsorption system using activated carbon to respond to the diversifying challenges of water treatment. ________________________________________ ACF (50% wet powdered activated carbon supply system) Widely adopted in small to medium-sized water purification plants. Stable and continuous supply of activated carbon. In recent years, the problem of musty odors has become apparent in various regions due to decreased precipitation. ACF is a supply system that slurries 50% wet powdered activated carbon and enables continuous injection. ________________________________________ RFC (granular activated carbon adsorption system) For PFAS measures and organic substance removal. New type of activated carbon adsorption system. RFC is a high-performance adsorption device that uses granular activated carbon. It can address organic fluorinated compounds (PFAS), including PFOS and PFOA. What is PFAS? PFAS (per- and polyfluoroalkyl substances) are a group of organic compounds that are resistant to decomposition.
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basic information
ACF (50% Wet Powder Activated Carbon Supply Device) 【Features of ACF】 • Stable continuous supply • Uniform injection through slurry • Numerous adoption records in small to medium-sized water purification plants • Effective against musty odors and organic substances • Flexible design according to site conditions RFC (Granular Activated Carbon Adsorption Device) 【Features of RFC】 • Addresses PFAS issues • Adopts fine bubble cleaning mechanism • Extends the lifespan of activated carbon replacement • High-efficiency adsorption using granular activated carbon • Reduces maintenance costs • Compact design without the need for backwash tanks • Reduces ancillary equipment and saves space
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Applications/Examples of results
ACF (50% wet powder activated carbon supply device) 【Adsorption Targets】 • Mold odor (e.g., "Geosmin," "2-Methylisoborneol (2-MIB)") • COD (Chemical Oxygen Demand) • n-Hex (Normal hexane extractable substances) • TOC (Total Organic Carbon) RFC (Granular Activated Carbon Adsorption Device) 【Examples of PFOS Applications】 • Anti-reflective agents for semiconductors • Resist materials • Metal plating treatment agents • Foam extinguishing agents 【Examples of PFOA Applications】 • Processing aids for fluoropolymer resins (e.g., PTFE) • Surfactants • Raw materials for water-repellent and oil-repellent agents 【Regulatory Values】 Combined value of PFOS and PFOA Below 50 ng/L 【Adsorption Targets】 • COD (Chemical Oxygen Demand) • n-Hex (Normal hexane extractable substances) • TOC (Total Organic Carbon) • PFOS / PFOA and other PFAS components • Color components (organic) • Odor components
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Company information
Let's eliminate pollution in rivers and oceans and restore a rich and pure water environment. We, Koyo Giken, are an environmental engineering company that plans, develops, and sells various equipment with the theme of the irreplaceable water that sustains life on Earth. Utilizing our outstanding technology and experience, along with various wisdoms that care for the Earth and nature, we strive to create products that contribute to water activation and recycling. We are confident that the water treatment equipment we have developed will demonstrate excellent performance in building environmental management systems and will significantly contribute to the environmental activities of the ISO 14000 series.
