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Archive | News

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

Image featured to explain that renewables industry is asking the government to make the COVID-19 recovery green.s

Make COVID-19 Recovery Green Say Business Leaders

Renewables trade associations have added their voice today to the growing consensus that if society has learned anything from the COVID-19 experience, it must be that human life on this planet is fragile. Making the UK’s COVID-19 recovery green is essential from that point of view, due to the huge risks from climate change, but […]

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Image poses the question: "Is my waste suitable for anaerobic digestion".

Is My Waste Suitable for Anaerobic Digestion?

“Is my waste suitable for anaerobic digestion?”, is a frequent question we receive in our emails. It comes from those considering installing agricultural AD systems, and businesses that produce food waste especially. There are two immediate considerations for any answer, the first is to say that more or less any organic material can be anaerobically […]

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Advantages and DisadvantPages of Anaerobic Wastewater Treatment vs Aerobic

Advantages and Disadvantages of Anaerobic Wastewater Treatment vs Aerobic

The principal advantages and disadvantages of anaerobic wastewater treatment when compared with the aerobic equivalent processes are listed, and then discussed below. Advantages of Anaerobic Treatment Less energy required Less biological sludge produced Lower nutrient demand Methane production: Providing potential energy source with possible revenue both from the sale of the energy, and benefit from […]

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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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