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Historically, the re-smelting of iron ore slag was common practice, as improved smelting techniques permitted greater iron yields—in some cases exceeding that which was originally achieved.During the early 20th century, iron ore slag was also ground to a powder and used to make agate glass, also known as slag glass.

The water carries the slag in its slurry format to a large agitation tank, from where it is pumped along a piping system into a number of gravel based filter beds.The filter beds then retain the slag granules, while the water drains away and is returned to the system.When the filtering process is complete, the remaining slag granules, which now give the appearance of coarse beach sand, can be scooped out of the filter bed and transferred to the grinding facility where they are ground into particles that are finer than Portland cement.During the Bronze Age of the Mediterranean there were a vast number of differential metallurgical processes in use., Tinder is the harbinger of today's hookup-fuelled "dating apocalypse." But the truth of the matter is, hooking up isn't anything new (and may in fact be hardwired into our genetics).

And as for Tinder, sure, it can be used for swiftly finding a one-night stand, but there are plenty of other apps that are better suited for that task.Concrete containing ground granulated slag develops strength over a longer period, leading to reduced permeability and better durability.Since the unit volume of Portland cement is reduced, this concrete is less vulnerable to alkali-silica and sulfate attack.This rapid cooling, often from a temperature of around 2,600 °F (1,430 °C), is the start of the granulating process.This process causes several chemical reactions to take place within the slag, and gives the material its cementitious properties.And the great thing is, whether you prefer chatting extensively with your new crush first or a little fantasy in your play, there are diverse options to suit your every whim and desire.