slag

Rare earths, harder to separate and less valuable, are generally recycled alongside steel and end up irretrievably lost in a byproduct called slag.

From The Wall Street Journal ● Oct. 24, 2026

"Elevated concentrations of cadmium and nickel in freshwater, and cadmium and arsenic in soil, were largely confined to Deene Quarry and a former slag heap in Weldon," the group added.

From BBC ● Oct. 18, 2026

Copper, steel, aluminum and precious metals can be recovered, but rare-earth metals typically fuse with other byproducts in waste called slag.

From The Wall Street Journal ● Jan. 23, 2026

Among the many sounds and smells of the steelworks, Steve's most notable memory is the smell of "rotten eggs", which comes from the slag that's formed during the steel-making process.

From BBC ● Sep. 22, 2024

For a while they sat without speaking under the shadow of a mound of slag; but foul fumes leaked out of it, catching their throats and choking them.

From "The Two Towers" by J. R. R. Tolkien

Lieberstein previously worked on "The Office" as one of its producers and as Toby, the bland HR representative everyone slagged off on.

From Salon ● Mar. 19, 2023

Executives who didn’t take her calls risked being slagged on Deadline.

From New York Times ● Jan. 21, 2023

"Anyone that we haven't slagged off," jokes Mica.

From BBC ● May 8, 2022

Anyway, you’ll be happy to hear, I fought through my misgivings and slagged the performance—but it struck me that if I was thinking about these questions in this context, these questions have permeated very deep.

From Slate ● Dec. 19, 2018

Hardly big enough so a cat could slip through, and under it is this big pile of coal slagged up against the foundation wall.

From "Freak The Mighty" by Rodman Philbrick

Sam was now slagging one of his original investors, who then became his biggest competitor.

From Slate ● Oct. 5, 2023

Greater Manchester Mayor Andy Burnham has denied "slagging off" London when calling for better treatment for his own region from the government.

From BBC ● Sep. 28, 2021

“This is not about slagging anyone off in this TV series at all,” he said.

From Seattle Times ● Jul. 16, 2021

Fearn doesn’t share the inclination, saying, “I’ve never really been into slagging bands off. It’s just not my thing.”

From Washington Post ● Jan. 21, 2021

Gary Drake and Ross Wilcox might’ve been slagging me off, but the fainter the voices became, the less I wanted to go back.

From "Black Swan Green" by David Mitchell