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Grey Water Recycling System

IP Title: 中水回用系統

Summary: Greywater is a part of domestic wastewater, including wastewater from washing basins, baths, and washing machines, but excluding toilet waste. Due to the continuous development of treatment technologies, greywater and domestic wastewater can now be recycled cost-effectively through advanced techniques. Recently, HKPC developed a recycling system employing Submerged Aerated Filter (SAF) to decompose organic matters in wastewater by special micro-organisms which are retained in the system by micro-filtration (MF). After disinfection, the recycled water is crystal-clear, free of germs and odour, which can be used for toilet flushing, gardening or as cooling tower make-up water. Video Link to Youtube: https://youtu.be/FccbRlFcy5o?list=PL3ubiSM-v1GBtxp1IHrH2Cj7TljFM_hEb

Type of Cooperation: Licensing

Application Date: 13/07/2007

Application No.: HK1095980

Coverage Areas: Green Technology

Country/Region: Hong Kong

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