I mined Salt and Magnesite and bath Magnesium Carbonate Powder with Molten Sodium Chloride to get Sodium Carbonate plus Magnesium Chloride. (which I believe is a Salt Metathesis Reaction) I then used Coal Coke plus Sodium Carbonate in a Burner Mixer to get Sodium. Mixing it with Water yields Sodium Hydroxide. You may also Electrolyze Salt with Water to get Sodium Hydroxide. Also, the Magnesium Chloride may be used as a recycled intermediate in Titanium Processing.
While the Sodium Hydroxide is fully recycled in the Autoclave-Bath loop, the Distilled Water isn’t, because some of the Water ends up in Aluminium Hydroxide. You can either supply the Bath with Distilled Water and run the loop with an overall deficiency of Distilled Water, or you can supply the Bath with Water and run the loop with an overall surplus of Distilled Water. (The Autoclave outputs more Distilled Water than what’s required to provide Steam to it)
For Cryolite and Aluminium Trifluoride, I mixed Sulfuric Acid with Fluorite Powder for Hydrofluoric Acid. Then make Fluorosilicic Acid then Aluminium Trifluoride and Cryolite. You only need a small amount of these 2 fluids, but beware that they’re both acidic!
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