Advanced Grit Management

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Challenge convention on wastewater grit removal.

Our research inspires new ways of thinking that revolutionise industry processes.

At least 50% of influent grit will be lost in a sedimentation basin due to becoming neutrally buoyant

Conventional design guidelines target removal of grit larger than 210 µm but grit can be as small as 50 µm

Wastewater treatment plants have been measured removing as little as 10% of grit from influent

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Understanding Grit

The science of grit and grit behaviour.

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Grit removal technologies to protect wastewater treatment plants.

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Cost of Grit Calculator

Use the Advanced Grit Management Cost Of Grit calculator to assess your current system and find out how much you could save.

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Wastewater grit removal

Keith Hutchings, Group Wastewater Product Manager for Hydro International, examines why attitudes to grit are slow to change, why this is hindering water management projects, and why wastewater tre

Topics: Best practice,The Cost Of Grit,News & Opinion

Technical paper

An introduction to vortex flows and their implications on solid-liquid separation

There is often ambiguity in what constitutes vortex behaviour, and common descriptions are qualitative in nature and therefore necessarily limited. It has become common to identify quantitative...

10 October 2016

Topics: Separation,Scientific Analysis

News & Opinion

North America regional grit gradation data now available

New grit gradation data available Following comprehensive testing, grit gradation data is now available at a regional level to help North American wastewater engineers, owners and operators to...

3 October 2016

Topics: Scientific Analysis