Massive London 'fatberg' to be turned into museum exhibit

By Jacopo Prisco, CNN

Updated 1022 GMT (1822 HKT) January 19, 2018

A giant "fatberg" was removed from these London sewers in late 2017. Most of it was converted to biofuel, but a few fragments will soon be exhibited at the Museum of London.
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A giant "fatberg" was removed from these London sewers in late 2017. Most of it was converted to biofuel, but a few fragments will soon be exhibited at the Museum of London.
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The fatberg, a congealed lump of grease, fat and non-flushable items such as wet wipes and condoms, sticks to sewer walls and can become as hard as concrete.
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The fatberg, a congealed lump of grease, fat and non-flushable items such as wet wipes and condoms, sticks to sewer walls and can become as hard as concrete.
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Thames Water, the municipal utility which performed the removal, says it took nine weeks and that it spends $1.4 million a month to clear blockages in London sewers.
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Thames Water, the municipal utility which performed the removal, says it took nine weeks and that it spends $1.4 million a month to clear blockages in London sewers.
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A sewer technician holds a fatberg in a London sewer in 2014.
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A sewer technician holds a fatberg in a London sewer in 2014.
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Among the components of fatbergs are grease, cooking fats, nappies, wet wipes, but also dangerous materials such as lights bulbs and hypodermic needles.
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Among the components of fatbergs are grease, cooking fats, nappies, wet wipes, but also dangerous materials such as lights bulbs and hypodermic needles.
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Fatbergs form because the fat, cooling down, becomes a solid and lumps around items such as nappies and wet wipes. The mixture then sticks to sewer walls and hardens, which makes removal a tough job.
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Fatbergs form because the fat, cooling down, becomes a solid and lumps around items such as nappies and wet wipes. The mixture then sticks to sewer walls and hardens, which makes removal a tough job.