Posts Tagged ‘tallow’

Fatberg

A ‘fatberg’ in the sewers? What a waste

For much of history, the fat found in a giant ball clogging London sewers would have been put to a surprising array of uses

The fatberg – a 15-tonne lump of fat and other debris – coagulated inside a London sewer. Photograph: AP

A colossal “fatberg” of wet-wipes, sanitary products and food fat clogging a Kingston sewer threatened to send raw sewage spurting into London streets and homes in late July. Looking like some kind of B-movie monster, this 15-tonne abomination reminds us that waste is getting harder to keep underground.

But for most of history, a fatberg would have been a valuable commodity. Rather than shooting high-powered water-jets at the monster, the green solution would have been to make it into tallow candles – the chief source of light for most people before gas or electricity. Hence the job of “grease-dealer” – a person who made their living by collecting the grease of domestic kitchens, scraping it into a tub, and presently re-selling it. Once, you made energy from anything you could – including, sometimes, your pets: “My old dog Quon was killed … and baked for his grease, of which he yielded 11 pounds,” wrote a Dorset farmer in 1698.

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