What does slag do

Multimedia Gallery. Park Passes. Technical Announcements. Employees in the News. Emergency Management. Survey Manual. Outside of the construction industry, it might seem that uses for slag are considered limited. Public domain. Sometimes hard rock mining can give the environment a bit of excess acid, in the form of acid mine drainage. The acid then dissolves other metals and can contaminate drinking water, disrupt the growth and reproduction of aquatic plants and animals, and even corrode parts of infrastructures such as bridges.

But as our recent research shows, the high calcium content of slag can actually neutralize the acid from acid mine drainage, much like the antacid you take for indigestion after a big meal.

When used of women, it can be equivalent to slut. Outside of slang, slag refers to residue from the process of smelting , a method used to separate a metal from raw ore. This slag comes from a German root and has been recorded in English since the s. This sense emerges by the mids, and is considered offensive and sexist.

Another use of slag is as a verb, usually in the verb phrase slag off. This use has been recorded as early as the s. While not as coarse as some slurs or swears, slag is considered offensive. Would he like to slag off anyone in return? Ask me at the end of the year. This content is not meant to be a formal definition of this term. Furnace brick and slag remnants were still to be found in the dirt.

It would be the equivalent of someone trying to slag Halle Berry without mentioning Catwoman. The archetypal Arizonan did not slag the state; he spoke in the language of a real-estate brochure. In the end I might leave one gleaming flake or so amidst the slag heaps for a moment of postmortem sympathy.

As LD slag is harder and more compact than natural rock, roads last longer. And as there is less wear, particulate pollution is reduced. A disadvantage of LD slag is its greater weight compared to natural rock, and this has an impact on logistics and transport costs. Gerhard Gerstmayr was also involved in the new voestalpine image campaign. The use and advantages of slag 3 minutes spent reading.

January Viktoria Steiniger Maternity Leave. Holds editorial responsibility for blog topics, is researching and writing articles. Her stories give insights into the world of the voestalpine Group. About the author Holds editorial responsibility for blog topics, is researching and writing articles.