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Archive | News

Anaerobic digestion and biogas news and developments, plus general informational articles on the subject.

Landia mixer guide rails at Milton WwTW.

Wastewater Treatment Sludge Mixing Improvements Raise Plant Efficiency

Wastewater Treatment Sludge Mixing Case Study: Landia the leading producer of specialist water treatment pumps, mixers, aeration systems and advanced processes, has drastically lowered sludge disposal costs and is saving valuable landfill space at a large WwTW in the US. In the words of the Superintendent of the Sewer Authority: “The Landia mixers have been […]

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Define Anaerobic Digestion - Meme

Define Anaerobic Digestion: 10 Top Definitions of AD – Listed

“Define Anaerobic Digestion”, said a student to me recently. No doubt because I discovered anaerobic digestion back in the 1990s via my background of environmental biochemistry originally, I quoted the original Wikipedia definition. That one is all about breaking down organic material without oxygen present (ref: 1) and is all about the chemistry involved. I thought […]

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Image of a Landia Chopper Pump showing how knife debris built-up.

Landia Chopper Pump Chops Knives – Robust Pump Survives Knife Attack!

A Landia Chopper Pump when serviced recently was found to have been chopping on knives apparently left in waste-food. Chopper pumps are so named because a rotating “blade” and 3 fixed “knives” (scroll down to see illustration) at the pump casing entry point. These are positioned to chop through fibrous material (even cutting through rope […]

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Article thumbnail which states: "Anaerobic Digestion vs Landfill.

Anaerobic Digestion vs Landfill – Which is the Best?

Assessing the advantages of anaerobic digestion vs landfill as a means of disposing organic waste is an important step. Businesses need to know for sure that if they move from landfill to anaerobic digestion as the means of disposal of their waste there are not known issues which may prove a risk to the reputation of their […]

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Image of a small scale biogas plant.

Small Scale Biogas Plants for Home Cooking Fuel

The use of small scale biogas plants for home cooking fuel is gaining more followers in the developed nations all the time. These small Anaerobic Digestion Plants (or “biogas digesters”) are great for home cooking using the waste food (table scraps) every day from a young family can fuel a gas ring to heat up […]

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