Gravity-Flow Suspended-Particle Media Biological Filtration Reac

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Self-flow suspended-particle-media biological filtration reactor (the “3-Free direct filtration technology): Application scenarios include post-biological treatment sludge–water separation (replacing secondary sedimentation tanks and MBR systems) and denitrification sludge–water separation. The self-flow suspended-particle-media biological filtration reactor is also known as a denitrification biological filtration reactor, commonly referred to as the “3-Free-No” direct filtration unit (Patent: ZL2018 20780799.4).