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There's no Net Zero without Biogas: ending waste, delivering the circular economy, tackling the climate crisis.

Anaerobic Digestion

Image of egg-shaped anaerobic digesters at night.

Egg Shaped Anaerobic Digesters – Strange Looking Tanks Explained

Egg Shaped Anaerobic Digesters; Enormous eggs! Whatever next! Have you ever wondered what those huge “strangely other-world like” not quite “spherical” tanks are that you sometimes see? They are anaerobic digestion process digesters, and very useful they are too! They make sewage sludge much more wholesome and in particular they reduce sludge odour, but best […]

Image of teh Weltec Laboratory where the new anaerobic digestion testing takes place.

Quick Test for Inhibitors in Biogas Substrates – New Weltec Biogas Inhibition Test Progress

A quick test for identifying inhibitors in Biogas Substrates is badly needed by the commercial biogas plant industry. Existing methods such as the Diary Farmer’s “Aerobic Plate Count” inhibitor test are not directly applicable to anaerobic biogas conditions, so a New Biogas Inhibition Test Method is badly needed. A major biogas plant systems provider WELTEC […]

Ductor™ anaerobic digestion pre-treatment process

Anaerobic Digestion of Manure – Technology Breakthrough! – AD Plant Productivity Doubled In Tests

Anaerobic Digestion of Manure: There has been a breakthrough in the throughput of manure-fed AD Plants! A new pre-treatment process development by Ductor™, raises new hope for super-efficient on-farm manure fed biogas plants. The Problem With Anaerobic Digestion of Manure Almost all organic materials such as manure are good feedstock materials for biogas production. Farm manures, […]

anaerobic digestion UK powers 1 million

Anaerobic Digestion UK Capacity Enough to Power 1 Million Homes – Future Doubts Continue

In the UK anaerobic digestion capacity has grown rapidly to the point that the energy supply is large enough to have significance (and could power a million UK  homes if that was it’s sole use), but unexpectedly steep government subsidy reduction has thrown the future of the industry back into doubt. This was the overwhelming […]

WELTEC anaerobic digestion in Korea

Why I Had to Look Twice at Weltec’s 2nd Biogas Plant in South Korea

When I received the press release which follows below, from Weltec I read the title quickly and took it to mean, that their new biogas plant was only the second in all of South Korea. Korea is an advanced nation I thought! How can that be correct? Yes. I was Wrong! Of course it isn’t […]

Weltec Biopower Anaerobic Digestion

Weltec Biopower Awarded 1.1 MW Piddlehinton AD Plant Extension

WELTEC BIOPOWER has announced that it has received an order for the 1.1 MW extension of a food waste anaerobic digestion plant in Dorset, South West England. The existing award-winning AD plant processes food waste to energy will be extended: Weltec Biopower (UK) Ltd, based in Stoneleigh, Warwickshire, has been granted the contract to extend […]


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