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Swim-bed Biofringe is a highly effective versatile contact material that keeps a high volume of bacteria internally and externally, and never releases bacteria all at once. Furthermore, this material is made of a special textile and can maintain a food chain, therefore sludge yield is dramatically reduced

　 ●Increases capacity two to five times. Less space.
　　No need for additional space.
　 ●Reduces sludge yield to one-fifth to one-tenth.
　　No sludge dewatering is needed.
　 ●No need for coagulation pretreatment even for high
　　concentrations of oil and suspended solids because of
　　the longer sludge retention time (SRT)
　 ●A BF system operates at Mixed liquor suspended solids
　　(MLSS) of 20,000 mg/l or more, and the system capacity
　　can be increased even when Biofringe is partially installed,
　　since the size of sludge peeled off from BF is larger than
　　that achieved with a normal system.
　 ●Possible to process within a short period of time
　 ●Fast nitrification and denitrification.
　 ●Possible to nitrify with organic matter.
　 ●A BF system can operate for a long period of time
　　(over 15 years) with low maintenance.
　　So Q.C.P(Quality and Cost Performance is extremely hih.

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