sludge

Looking out over the green sludge covered in cleaning equipment, speaking over the hum of the generators and the vacuums and the pumps, Hier smiled.

From Slate ● Jun. 19, 2026

That’s when a tank gets so low that drawing hits dregs — an all-but-unusable mix of oil sludge and debris — before a physical bottom is reached.

From MarketWatch ● Jun. 6, 2026

"We can't show directly that that's happening, but we think it's a reasonable way that they could be winding up in the air. Sewage sludge fertilizers have been shown to release similar compounds."

From Science Daily ● Apr. 11, 2026

This was a leader who rolled up his sleeves and stacked sandbags alongside firemen and volunteers, when toxic red sludge from a bauxite mine engulfed a Hungarian valley and threatened the Danube shore in 2010.

From BBC ● Apr. 5, 2026

“This is disgusting,” I say, and promptly dump the whole bowl of sludge into the trash.

From "Wayward Creatures" by Dayna Lorentz

"When sewage sludges are spread across the fields, those toxic compounds could be released into the air," Katz said.

From Science Daily ● Apr. 11, 2026

These little guys live in basically every natural setting in the world, including deserts, soils, and, in particularly unlucky cases, the sludges of the human body.

From Slate ● Mar. 8, 2024

While working in a lab in the Netherlands in the late 2000s, Strous noticed that a type of methane-feeding bacteria often found in lake sediments and wastewater sludges had a strange way of life.

From Scientific American ● Aug. 22, 2023

For players and officials both as the NHL sludges through this pandemic with a human toll being taken nightly at arenas, including one the Kraken calls home.

From Seattle Times ● Dec. 28, 2021

With regard to the manurial value of the resulting sludges, much difference of opinion has existed.

From Manures and the principles of manuring by Aikman, Charles Morton