convert the raw material to manufacture Sodium Chlorite, into Chlorine Dioxide, then use a Reducing Agent (acid) to react & neutralize.

and Calcium Hypochlorite as an alternative.

Alkalizing Benefits of Chlorine Dioxide (CLO2) in Human Health

https://www.drrobertyoung.com/post/the-alkalizing-benefits-of-chlorine-dioxide-clo2-in-human-health

https://educate-yourself.org/mms/chlorinedioxidebasics004sep12.shtml

chlorine dioxide
reducing agent acid

Chloride
Sulphur
Nitrogen

Potassium
Magnesium

Carbonyl (C=O)