Steel Slag Aggregate

Železiarne Podbrezová

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00:00At Jelesyan Podbrezova, we transform steelmaking slag into valuable artificial metallurgical

00:23aggregate.

00:25In this way, this by-product of metallurgical production gains a new dimension and becomes

00:29a valuable raw material for the construction industry.

00:33During steel production in the electric arc furnace, slag is formed which plays an important

00:38role in the metal purification process.

00:41After tapping, it is collected in special slag pots and then transported to the scrap

00:45yard sand area.

00:48Here begins its second life, the journey from metallurgical waste to construction material.

00:53On the repair line, the slag undergoes crushing and sorting processes.

00:56Modern technologies make it possible to process it into precisely defined fractions.

01:02The production of artificial aggregate reaches 30,000 tons per year in fractions of 0 to 8,

01:088 to 32, 32 to 63 and 63 to 200 millimeters.

01:14Artificial aggregate made from slag is a fully-fledged substitute for natural raw materials.

01:19It is used in the construction of road foundations and embankments.

01:23In the construction of railway subgrades, as well as in concrete floors and the production

01:27of pre-fabricated building elements.

01:31With its properties, it meets strict technical and environmental standards.

01:35Additionally, slag from the pan furnace has a specific chemical composition and is used

01:40as a valuable raw material for the production of high-quality cements.

01:45The aggregate, which is awaiting further use, is temporarily stored in stockpiles.

01:50This method of handling allows for safe management of the material, while also preserving its quality

01:55until it finds its industrial application.

01:59At Gelesiarne Podbrezova, we transform a by-product of steel production into a valuable material

02:04for the construction industry, contributing to a sustainable future.

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