Re: CaCO3 to CaSO4
- From: "Gregg" <nospam1gcrume@xxxxxxxxxxxxxxx>
- Date: Mon, 29 Aug 2005 01:23:12 GMT
"Uncle Al" <UncleAl0@xxxxxxxxxxxxx> wrote in message
news:4312314B.EC69F97A@xxxxxxxxxxxxxxxx
> 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
They also sell CaSO4 (MMtons) from the manufacture of TiO2 pigments - Ca is
used to tie up the SO4 from the process.
Gregg
.
- References:
- CaCO3 to CaSO4
- From: senator . g
- Re: CaCO3 to CaSO4
- From: Uncle Al
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