Bayer Process of Aluminium | Purification of Bauxite

The Bayer process is the first stage in the extraction of aluminium. It involves the purification of bauxite to obtain pure anhydrous aluminium oxide, also known as alumina. The Bayer process of aluminium involves the dissolution of bauxite in caustic soda to remove the impurities, the precipitation of aluminium hydroxide from the resulting solution and the thermal decomposition of aluminium hydroxide to obtain pure anhydrous aluminium oxide.
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Ngl I was struggling to comprehend the Bayer Process despite reading articles and watching videos, but this video made me understand immediately - thank you!!

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Wow! We are so humbled by your kind words! Words like these are part of the reasons we don't give up on teaching! God bless you!🙏

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Awwn! The pleasure is always ours! Thank you too for watching!

[@the_arnavz3281]

very easily explained !!! Love it

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Thank you for watching!🙏

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Very nicely explained in detail ❤😊

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Straight up W. Thank you science chef. Clear explanation and very nice presentation of the study material!!!

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Super explanation

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You are welcome! We are always glad to be of help!🙏

[@MUSADEM-so7hu]

Ofcource I learned it better now I was taught but watching the video also improved my understanding thank you so much

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The Science Chef, always raising the bar!

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Thanks for watching!

[@magdaleneeffiong2280]

Wow, thanks science chef, there is an application of precipitation as a separation technique in the Bayer process💃💃💃... Thanks for making complex things so easy to understand.

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You are welcome, Maggie! We are glad that you like it!

[@_REVERIE]

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Aww! That's for the kind words!🙏

[@williamsonuoha1693]

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We are glad that you like it!

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Thanks man! 🙏

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Great lesson!

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Thank you for watching, Eddy!🙏

[@Sandhu.Editz.]

Thank you so much sir please make videos more like this

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[@amittiwari-tt4xr]

Really helpful helped me a lot thnx

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Merci ❤

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this was amazing! thanks!

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[@roll36shivrajbhosale37]

thx a lot i got it now. very helpful

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[@vanshikhadas1157]

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[@mkaila10]

Thanks great video

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[@oraziolongo9159]

thanks

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You are welcome! Thanks for watching!🙏

[@abdurraheem4819]

Please can you guide me the temperature and pressure required in digestion and it is easy to separate impurities from solution

[@mario-lz1nl]

Very informative thanks
Bro i need your help, can you tell me how can i separate pure iron oxide 3 from red mud (silicon oxides and aluminium oxides...), in this bayer process when we add NaOH The silicon oxide and iron oxide precipitated, but was the precipitation mixed or did the iron oxide precipitate at the bottom of the basin Then on top of it is silicon oxide?

[@TheScienceChefAcademy]

What you have in bauxite are trioxosilicates and not necessarily silicon dioxide. Silicon dioxide is soluble in sodium hydroxide, but the silicates are not.
The silicates are less dense than the iron trioxide, so they will float on top of it

[@dorotapalubicka8142]

thanks chef

[@TheScienceChefAcademy]

Thanks for watching!

[@fahadalshammry9667]

Thank you for this helpful video! Could you please suggest a textbook where I can find out more about this process? Please reply 🙏

[@TheScienceChefAcademy]

Thank you. We are glad that you like it. We would recommend you use the site: chemlibretext.com. They are always good with their explanations

[@hashim64]

gallium in bauxite melting low temperature 89 degrees Fahrenheit

[@TheScienceChefAcademy]

Ók... thanks for watching!🙏

[@user-wr8vz6bp4d]

Why does silica not react with sodium hydroxide?

[@TheScienceChefAcademy]

It actually does. It was an overnight and we take full responsibility for the error. It ought to have been INSOLUBLE trioxosilicates

[@lesliesie3506]

silica actually dissolves in the sodium hydroxide

[@TheScienceChefAcademy]

Yea, you are right! It actually does dissolve to form sodium trioxosilicate (IV), Na2SiO3. Kindly ignore, it was an oversight

[@user-wr8vz6bp4d]

@The Science Chef Academy I have researched that silica will not react with dilute sodium hydroxide

[@TheScienceChefAcademy]

Oh, it does? Can you send us the link please? Thanks

[@wealthyfashion1004]

Show us in practical 😜😜😜😜😜

[@TheScienceChefAcademy]

Just follow the procedure stated therein and DIY!