Infilco Degremont, Inc.

Suez Groupe S.a.s.

Gregory Matanoski

Harold W Johnson, Jr

Jack H Jessop

John D Dyson

Andy Thruston

Emily Gilbert

Louis U Brittingham, Jr

The present invention is directed to a one-piece cell divider for use in a filter underdrain system that supports a parous plate that supports a filter media for filtering a fluid. The one-piece cell divider includes: a divider portion; a porous plate support portion, including a flange that supports the porous plate; a support member portion, including a flange that attaches the divider to a base. A filter underdrain using a one-piece cell divider may include; at least one porous plate for supporting the filter media for filtering a fluid, the porous plate spanning across at least one of the dividers; the at least two dividers including: one or more one-piece cell dividers; one or more multiple-piece dividers, each multiple-piece cell divider comprising a divider portion and a support member, the support member being directly under the divider portion.

Underdrain system using one-piece cell dividers

The invention is directed to a filter underdrain for supporting a filter media between at least two dividers forming at least one cell, which includes at least one porous plate for supporting the filter media for filtering a fluid, the porous plate spanning across at least one of the dividers; and a plurality of support members beneath the porous plate, the support members containing at least one port for draining the fluid after the fluid passes through the porous plate. The porous plates may be bound together by a lap joint and an end section may be included between at least two of the support members, the end section containing at least one pocket for holding the porous plate.

Filtration system underdrain

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New Kent, VA, United States of America

Gregory Matanoski