The module that keeps itself clean.

Uniform water velocity between each plate. Channels stay open. You stay out of the tank.

How it works · Datasheet, O&M, and warranty

The air you useBetter cleaning

Every plateSame velocity, same scour

Open channelsEvery plate stays open

Your dayYou stay out of the tank

Short plates41.2 in — the top still cleans

Real spacingNot packed too close

The cassette

Built to drop in

304 stainless frame (316 optional). Dual headers. On-Board Scour on the cassette. Municipal membrane bioreactor service. Built to run submerged.

On-Board Scour cassette. Rendering. — The cassette Rendering. Built to run submerged.

Side elevation of the cassette. — Side Header flanges between tiers.

Cassette close-up, frame and header. — Close-up Frame ribs, header, flange.

Installed

In the tank

Municipal membrane tank. The cassette runs submerged. Rendering.

On-Board Scour cassettes in a membrane tank. Rendering. — Overview Fully submerged. Rendering.

Install options

Quoted with the module

Lifting attachments, guide rails, and adjustable feet are quoted options. The cassette runs submerged. Yard piping meets the headers.

Why it stays clean

Every channel. Short plate. Real spacing.

Uniform water velocity between each plate. Dedicated scour valve. Same velocity, same scour on every plate.

Plates have room to scour. They are 41.2 in (1,047 mm), so the top of the plate stays clean. Channels stay open. You stay out of the tank.

The polypropylene support plate holds the Thermo Fisher PES sheet. The plate is lightened with a blowing agent. PP is a lighter American-made polymer, from American natural gas. BABA MBR module. BABA (Build America, Buy America) compliant. No PFAS.

Polypropylene support plate. American-made. Rendering. — Support plate PP plate that holds the PES sheet. American-made polymer. Rendering.

Full datasheet, O&M, and warranty are on Downloads.

Cleaning in Place

CIP

CIP restores permeability after scour, relaxation, and flux discipline. This is the clean for the polymer flat-sheet PES cassette.

Physical measures first: scour at every module, the relax cycle, flux at the project design, screening, and MLSS. Chemistry comes with a Zyramic-written recipe for that job — agent, concentration, time, and temperature. Recipes are issued in the project submittal or a later O&M revision. This page does not publish a strength or a soak time.

When a recipe is issued, the work is in-tank. Modules stay submerged. The restraint stays on. Follow the recipe on scour during the soak, and record agent, concentration, temperature, duration, and TMP before and after.

CIP is the clean for this sheet. The PES cassette is not backwashed.

Download the CIP note · Full O&M on Downloads.

Air path

See the air path

Conventional bottom plenum on the left. On-Board Scour on the right. Color is water velocity in the channels. Schematic.

Air path Left: velocity uneven — hot spots and dead channels. Right: velocity high and even. Every channel. Schematic, not plant data.

Independent CFD

An independent study compared Zyramic On-Board Scour with a conventional bottom-plenum air scour on identical plate geometry. Near-field liquid shear at the channel base was about four times higher. That is the base, on identical plates. Hydrodynamics. Figures: How it works.