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Secondary treatment focuses on biological processes to degrade organic matter. This is accomplished through aeration tanks, where microorganisms are introduced to consume organic pollutants. The most commonly used methods in secondary treatment include activated sludge systems and biofilm reactors. These processes can significantly reduce the biochemical oxygen demand (BOD) and total suspended solids in the water.
waste water treatment...
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The Difference Between Silicone Rubber Tape and Rubber Repair Tape
2. Outdoor Furniture Maintenance Whether it's a tear in an outdoor umbrella or a broken patio chair, Flex Tape can help you salvage your outdoor investments without having to replace them entirely.





What is Vulcanizing Tape?