Pablo de Olavide University Produces Fat for Biodiesel from Sewage Sludge

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February 9, 2022

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(EFE VERDE) Researchers at Pablo de Olavide University produce fatty matter for biodiesel that does not come from growing plants but from human-generated waste that circulates through urban wastewater treatment plants.

Aware of the serious environmental and economic problem caused by the enormous amount of waste generated by human activity, researchers from the Pablo de Olavide University have carried out a study focused on converting this waste into a future source of resources.

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“The volume of this sludge that is generated in the sewage treatment plants of the cities is enormous, thousands of tons per year and it usually ends up in landfills,” explains the professor.

The proposal made by these UPO researchers is to use this sludge to feed a small nematode worm called Caenorhabiditis elegans and it has turned out to be an excellent food, generating half a kilogram of nematode worms for every kilo of sludge, in less than a week. , because the worm feeds and reproduces.

In this way, this sludge can be quickly reduced and converted into worms, whose fat is the basis for the production of biodiesel. READ MORE

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