Screens & Grit Removal

Mechanical bar screen being installed in wastewater headworks channel with crane and installation crew

Bar Screen Installation Guide: Site Requirements Before Equipment Arrives

Bar screen installation problems rarely involve the screen. They come from civil structures built to the wrong dimensions, discharge chutes that don’t reach the compactor, and access platforms with no room to work. This guide covers every site requirement that needs confirmation before equipment arrives — and the coordination failures that turn a two-day job into two weeks.

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Cyclonic Grit Chamber Grit Remover Installation Diagram

Grit Classifier & Washer Guide: Selection, Sizing, and Organic Removal

A poorly specified grit classifier produces organic-rich grit that disposal contractors reject or surcharge. This guide covers cut size selection, countercurrent washing, sizing for peak slurry flow, screw flight wear, and the specification parameters that determine whether classified grit is a manageable waste stream or an ongoing operational problem.

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vortex-grit-chamber-vs-aerated-grit

Vortex vs Aerated Grit Chamber: Which One Belongs in Your Headworks?

Vortex and aerated grit chambers both remove grit — but they behave very differently across flow ranges, and the 20-year energy cost difference is significant. This guide compares hydraulic performance, maintenance requirements, capital and lifecycle cost, and the specific conditions where each technology is the right choice.

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Comparison of wastewater bar screen types including coarse bar screen, step screen, and fine screen installations in a WWTP inlet works channel

Wastewater Bar Screen Types: A Complete Comparison Guide

A complete comparison of wastewater bar screen types — manual coarse, mechanised coarse, fine bar screens, step screens, drum screens, and travelling band screens. Covers operating principles, application fit, cleaning mechanism selection, screenings handling, and a practical four-step selection framework for municipal and industrial WWTP design.

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