Re: CaCO3 to CaSO4



senator.g@xxxxxxxxx wrote:
>
> I am looking for a relatively cheap process to manufacture gypsum from
> calcite. I realize it's not particuarly efficient, however if anyone
> could shed some light, I would be very appreciative.

Gypsum is the byproduct of superphosphate manufacture. The world is
awash with it - especially if you don't mind a little radiation coming
along for the ride. If you are hellbent on manufacture, then oxidize
calcium sulfite from power plant SO2 scrubbers.

--
Uncle Al
http://www.mazepath.com/uncleal/
(Toxic URL! Unsafe for children and most mammals)
http://www.mazepath.com/uncleal/qz.pdf
.



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