The document describes a 3-step biological wastewater treatment process used in the cosmetics industry. The process includes 1) pre-treatment where chemicals are added to precipitate solids from the wastewater, 2) a biological stage using a TFR bioreactor, and 3) post-treatment where excess sludge is dewatered. The system is capable of treating wastewater for a small town of 5,000 people and uses 45% less energy than comparable systems.
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