excellent. There's a similar presentation from the 1950's that is very entertaining (HOW IT'S MADE: Aluminum) and gives some personality to the process. This is great, though, thanks!
At about 5.00 the ingot caster is shown. At my plant we had electromagnetic casting molds which were fascinating to study. We also had older direct chill molds. I was told that the use of EMC eliminated the need to use a scarfing saw to prep the ingot sides prior to hot rolling. DCC would cause unwanted surface defects that the saw would remove. Nice animation.
Thanks for the info. Using this as quest inspiration for my DF tabletop game. Just need to find out what happens if the process fails during the acid treatment or if the alumina isn't allowed to be in electrolysis long enough now.
Very awesome video, if any person who has learnt about aluminum properties, application , uses, can he is qualified to apply for internship for professional learning, manufacturing pure aluminum from bauxite, silica and iron oxide bonded compound, ........can we get aluminium powder, silica sand segregated from, sodium oxide filtered out before formation of bauxite crystal.. pls respnd
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Didn't see that in the video leading up to the point of the reduction cells process. Only seen that alumina is fed into the cell using the electrolysis of the anodes and cathodes with the solution separating oxygen from the aluminum then created co2 that deteriorates the carbon blocks or anodes. Recycle and reuse must be a huge part of the process also.
Yes right, the toxic byproduct are not been recycled, they end in an big hole, which forms a lake, and finally ends in the sea.... go and check the Alcoa factory in Spain, San Ciprian. Go and google Earth 43º42’03”N 7º29’19W (O alto de Lago)
() is silver-white metal, very lightweight yet relatively strong and ductile thatit can be drawn into wires or pressed into sheets or foil. The name was derived from n, the Latin name for alum (an aluminum sulfate mineral). It is the most abundant metallic element and the third most abundant of all elements in the earth’s crust, making up 8% of the crust by weight. Aluminum does not occur in the metallic state in nature because aluminum metal reacts with water and air to form powdery oxides and hydroxides.
Hi, if you want to know a detailed description of the Hall Héroult process, you can go to the following link: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-CL7-GBcRMTc.html It is in Spanish language for latino students of metallurgy.
its really hard to listen to it and do something else when you're forced to read text. put some smooth posh British guys voice in it and it would be great.
the video graphics, design and some chemical parts are all well made, although there are some very nasty mistakes in fundamental chemistry and process names... first, Hall-Héroult is a refining process of bauxite, and not the electrolysis process. second, What are those electrons flowing from the anode (+) to the cathode (-)? it's not a galvanic cell (e.g. battery), but the opposite (electrolytic cell) Also, from the way it's presented, it seems that carbon is a must reagent from the reaction, to take the lone Oxygen atoms away... for a better chemical explanation of this part: minute 2:05 at ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-NW1k4wNEq14.html from Royal Society of Chemistry. (sorry for any bad English ...)
Wait what? Hall-Héroult is the electrolysis process. The Bayer process is the first refining step. en.wikipedia.org/wiki/Hall%E2%80%93H%C3%A9roult_process
@@xxxbobmarleyxxx I see one mistake of which I`m sure. In the video, they should have made the electrons flow in the opposite direction, from cathode to anode.
