Landia GasMix Anaerobic Digester Mixing – wastewater sludge

The Landia GasMix system offers a groundbreaking mixing solution for anaerobic digesters in Water Resource Recovery Facilities.

The GasMix system has all its mechanical components located outside the tank, thereby allowing all service and maintenance to be completed without having to empty the tank or enter the sealed digester environment. This provides obvious advantages in terms of safety, and there is also an economic benefit, as production can continue unhindered during any service work.

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How Landia GasMix works for wastewater

The mixing with Landia GasMix works in such a way that a mixture of liquid and biogas is recycled in the tank. This keeps the tank mixed, and at the same time it contributes to a better biogas quality with higher biogas production.

It has been documented that the GasMix system leads to increased sludge reduction, and as a result you even achieve a higher biogas production.

Landia GasMix can be used with most tank types and at tank volumes up to approx. 10,000 m³ and for sludge with DM up to 12%. The mixing effect can be documented with CFD simulation.

Case study about Landia GasMix

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The sensible choice for your system

  • checkReliable equipment with a proven long lifetime of use gives you time to focus on other important things during the workday.
  • checkA safe investment – spare parts and service are always available directly from our US subsidiary located in North Carolina.
  • checkPersonal service guaranteed. We say what we do, and we do what we say.

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Our solutions within wastewater

Case studies - Landia GasMix


Over 43 per cent more gas (!) as Hayley Group wows customer with new AD/Biogas mixing system

A leading food waste-to-energy operation has increased its biogas yields by an average of more than 43% - due to a new digester mixing system.

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Mix to the max at Yorkshire Water’s major new Energy & Recycling Facility

At Yorkshire Water’s new £50M Huddersfield Energy and Recycling Facility (E&RF), the digester mixing system from Whitchurch-based Landia is ensuring that total gas production can reach its anticipated 22,192Nm³/d (normal cubic meter/day).

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A Better Blend

An automated mixing system helps an Illinois treatment plant improve biogas production and increase volatile solids destruction.

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Landia Digester Mixing System increases biogas by 20 percent

At the multi-award-winning Downers Grove Wastewater Treatment Center in Illinois, the Landia’s GasMix digester mixing system has increased biogas production by approximately 20 percent.

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Landia Gasmix System Installed At California Ad Facility

ES Engineering, Irvine, California, has installed Denmark-based Landia’s GasMix system at a food waste-to-energy facility in Chino, California, designed to help boost gas production from the facility’s two anaerobic digesters.

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Luannan agri and biogas projects press ahead with Landia digester mixing systems in China

In Luannan County, which has been committed to significantly developing agriculture in China, Landia has secured a major new order for its biogas digester mixing system.

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Landia and Cambi help deliver big upswing in biogas production for the water industry

Just south of Aberdeen, improvements continue to be made at Scottish Water’s Sludge Treatment Centre (STC) in Nigg – but at a site still approaching its full potential, 0.9~1.0MW per tonne of Dry Solids is already being consistently produced.

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Tire Biyogaz, Turkey

The Tire Biogas Plant has three anaerobic digesters each with a volume of 10,000 m³. The feedstock is dairy cattle manure with a TS concentration of 10%.

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Landia GasMix - Future safety Rybjerggaard

For Rybjerggaard, for many years, focus has been on energy saving and self-sufficiency. Therefore, it was also with the idea that ...

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Jersey's shining sludge plant sets new standards

When Jersey's Department for Infrastructure and Doosan Enpure had to replace Bellozanne sewage treatment works, they seized the opportunity to engineer out longstanding problems.

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A strong partner with extensive experience in wastewater

Landia supplied the first mixers for sewage treatment plants in the 1980s and today you will find Landia products at sewage treatment plants worldwide. The wastewater industry is growing year by year and we are keeping pace. When you contact Landia, you will speak with staff who know the industry, and who knowsand understand the wastewater industry.

This is how we develop the best solution with you