Aeration with jet aerators

The Landia AirJet is a jet aerator, which works by automatically aspirating the air into the ejector and subsequently mixing it with the wastewater during combined mixing and aeration. The Landia AirJet offers efficient oxygen transfer rates even in liquids with high solids contents, which makes it an extremely attractive solution for sewage and sludge applications.

Chopper pump with ejector system

The AirJet consists in all its simplicity of a chopper pump that has been fitted with an ejector system. Compared to most other aeration systems, the AirJet is extremely easy to install and operate. There is no need for compressors, bottom-mounted diffusers and advanced controls.
The Landia AirJet can be installed in both existing and new tanks. In some cases, there is no need to empty the tank before the system is installed. The AirJet is available as a submersible dry-installed and floating mounted on a pontoon.

Photo: Roquette

AirJet – easy and efficient

With the Landia AirJet you get a simple and efficient aeration system. It can be your primary source of aeration in EQ basins, sludge holding tanks, or aerobic digesters. The AirJet can also be added for supplemental aeration in an activated sludge tank to handle peak organic loading, or as a replacement for worn-out rotors or surface aerators in oxidation ditches. 

The AirJet is ideal for heavily polluted wastewater and, since the system does not clog with solids, the AirJet provides a constantly high oxygen transfer efficiency – unlike most other types of aeration.

The oxygen transfer levels are always maintained, even when we get a higher concentration of solids, so our wastewater is always aerated properly and never goes septic.

- Operations Manager James Blodgett, East Cedar Creek Fresh Water Supply District

 

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Case studies - wastewater

IndustrialWastewater

New wastewater mixers reduce maintenance and improve health & safety

Following a highly successful upgrade to its wastewater process, Glatfelter, the leading global supplier of engineered materials, has made further investments in mixers made by Landia.

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Wastewater

Stalwart Submersible Mixers help Montana WWTP make big energy savings

When the small team at Daffy Hills Lane selected their new mixers as part of plant upgrade in 2004, they chose very wisely indeed – and not just because those same mixers are still dutifully working away today.

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IndustrialWastewater

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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Wastewater

Greaseballs gone as new pumps get to work

Situated approximately halfway between two of America’s largest cities, Madisonville (population 4396) might not deal with the same mega volumes of wastewater that are treated in Dallas and Houston, but for its highly dedicated team, there is never any let up in their commitment to their city’s treatment plant.

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Wastewater

Forward dive for long-lasting Landia mixers at St Andrews

Following an intricate diving operation, ESD (the joint venture involving Galliford Try, MWH Treatment and Black & Veatch) has completed the successful upgrade of its mixing operation at Scottish Water’s Wastewater Treatment Plant (WWTP) in St Andrews, Fife.

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IndustrialWastewater

MSE Systems bring in Landia pumps & mixers to help treat potato effluent

Following the successful installation two years ago of Landia Chopper Pumps and a Landia Aeration System, MSE Systems is set to install a further three units from Landia for one of the UK’s leading supplier of potatoes.

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IndustrialWastewater

Poultry wastewater aerated as MSA bring Landia’s aeration equipment to Saudi Arabia

In the Kingdom of Saudi Arabia, Landia’s AirJet is playing a key role in the success of the aeration and wastewater system for a major poultry processor.

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Wastewater

Straight-Shooting Chopper Pumps Hit the Target in Gun Barrel City

At the wastewater treatment plant in Gun Barrel City, Texas, sewage first enters an equalization tank before it actually goes to the site’s bar screens.

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IndustrialWastewater

New Poultry Wastewater installation taken care of by Watermark Projects and Landia 

Watermark Projects (part of leading engineering services company, W.A Cooke & Sons) has introduced a Landia mixing system to help handle wastewater at an expanding organic poultry producer in South Wales.

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Wastewater

This pump solution helped a utility conquer problems with rags, debris and grease

A chopper pump helps a Texas community solve a persistent problem with debris and grease buildup in a lift station.

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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

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