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Comment Separation Processes

New clarifier has a large settling area within a small footprint

By Mary Page Bailey and Gerald Ondrey |

The Leopold Texler lamella clarifier (photo) for water treatment uses a series of inclined lamellas designed to fit into rectangular clarification basins, providing a large settling area within a small footprint. With its efficient removal of solids, the clarifier attains very low turbidity levels and improves the filterability of water. The lamella sheets are installed at a 55-deg angle, increasing the treatment capacity by up to 100% compared to conventional sedimentation systems, says the manufacturer. Solids settle without blocking the pathway of the water. The unique trough covers have an integrated weir design to ensure even flow distribution throughout the length of the clarifier. Texler’s lamellas are made from a hydrophobic geotextile high-density polyethylene (HDPE) that has water-repellent and flexible properties to prevent sludge accumulation on the lamella sheets, reducing the need for regular cleaning. — Xylem Inc., Rye Brook, N.Y.

www.xylem.com

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