Slag Crushing

[@johngraham8893]

My dad said they used slag as fertiliser on the farm in Scotland in the 60's.Said it grew tremendous turnips

[@MrOlgrumpy]

Logical recycling of iron smelting waste ---- road base, concrete etc

[@dad5650]

Used as bedding for railroad tracks also

[@Barabbas7798]

That slag caused a lot of health problems in the town where I live. Copper refinery has killed a many people around here

[@jrkuzel3786]

i like this video they are crushing the slag

[@bainsworth8853]

can slag be turned into asphalt agregate (filler)

[@llee220]

Yes we process slag to make asphalt

[@blingbling574]

Up here in Ontario Canada, slag is only allowed in granular products. The chemical composition is too risky and may not be compatible with the bitumen in asphalt or cement in concrete. We have plenty of natural aggregate sources anyway. Some of the quarries have fantastic physical and chemical properties. A loose term “armour stone” is used when you get that stuff.

[@bainsworth8853]

that amchineatthe 4.50 mark, put some widder cups on the ends for scooping

[@finscreenname]

The used to use it on snow when they ran out of salt around here.

[@randallmason9687]

Looks like fun! Was the bucket that dumps the slag on track's? How heavy is something like that?

[@Trollemharder]

the bucket carries 50 tons

[@louisdebruyn4395]

Pity nobody tells you what the different grades of slag is used for!!

[@WalkerKlondyke]

Dang! Y’all think you can help me find my wedding ring? We’ll just throw my whole house in there and eventually the ring’s bound to turn up. It’ll be worth it, you don’t know my wife 😰😰😰

[@malakiblunt]

keep the house and thro your wife in ;-)

[@CAT972]

What do they do with it after its crushed?

[@danriley9155]

A lot is spread on secondary roads and highways.

[@jaquan123ism]

it has alot of uses from road repair to driveway fill material and aggregate for large asphalt surfaces to even home landscaping

[@ironwolfF1]

@@danriley9155 And support layer for train tracks...remember seeing it on rail lines we used as shortcuts and noted "Odd, that doesn't look like gravel". Well, now I know what it is and where it came from; it'll definitely cut back on all the pit mining for gravel and such.

[@korsu1234]

And how many prosent is there metall left in the slag?😮

[@bainsworth8853]

that was machine at the 4.50 minute

[@paulotobias613]

Trocar as mandíbulas do britador

[@dereksmith3205]

Scrap gold

[@mauriceryton]

Seems odd to try and crush the metal rather than shred it.

[@RovingPunster]

Not so, once you realize "slag" is mostly (but not exclusively) non-ferrous impurities like silicates, calcium, various minerals, other trace metals, etc. Smelting tech and rapid inexpensive mass spectrometry have advanced enough in recent decades to make recycling profitable as well as environmentally desireable, esp if you consider that there is often more metal present in old slag than there are in various lower grades of ore.

[@gregorymalchuk272]

@@RovingPunster Wait, are they crushing it to be fed back into the smelter or used as aggregate in concrete?

[@RovingPunster]

@@gregorymalchuk272 AFAIK it depends. Processing into aggregate for use in concrete or as RCS is probably a simple matter of iterative crushing and sieving to the desired size, whereas recycling for re-smelting is likely much more technically involved - what type of processing is done for the latter depends on lots of factors, including the type and quality of ore/material it came from, the type of smelter that produced it, the types and amounts of impurities present (i.e., phos and/or sulphur, et ), what product was being produced at the time (ex: a blast furnace processing first run ore into pig iron produces different slag than say an Electric Arc Furnace smelting a high alloy from raw materials that were already highly pre-refined and/or recycled). The local demamd/market plays a role as well I imagine. This is all armchair theory for me. Analogy: If life hands you lemons, whether or not you make lemon oil extract, dried lemon zest, lemon juice, lemonade, preserved lemons, food grade citric acid, animal feed, or some subset of all of the above products, depends on a lot of factors ... factors that vary from plant to plant, market to market, and company to company..

[@paulbyers6846]

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[@janasenayouthkudtini2598]

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