SU340148A1 - - Google Patents

Info

Publication number

SU340148A1

SU340148A1 SU1064712A SU1064712A SU340148A1 SU 340148 A1 SU340148 A1 SU 340148A1 SU 1064712 A SU1064712 A SU 1064712A SU 1064712 A SU1064712 A SU 1064712A SU 340148 A1 SU340148 A1 SU 340148A1

Authority

SU

USSR - Soviet Union

Prior art keywords

phosphoric acid

calcium

stage

sulfate

excess

Prior art date

Links

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• NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 18
• OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 13
• 229910000147 aluminium phosphate Inorganic materials 0.000 description 9
• 235000011132 calcium sulphate Nutrition 0.000 description 6
• 238000000034 method Methods 0.000 description 5
• 238000006243 chemical reaction Methods 0.000 description 4
• 229910019142 PO4 Inorganic materials 0.000 description 3
• NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 3
• 239000010452 phosphate Substances 0.000 description 3
• OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
• BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 2
• QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
• QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
• 239000002253 acid Substances 0.000 description 2
• 229910052791 calcium Inorganic materials 0.000 description 2
• 239000011575 calcium Substances 0.000 description 2
• 229910001424 calcium ion Inorganic materials 0.000 description 2
• 238000004519 manufacturing process Methods 0.000 description 2
• 150000007513 acids Chemical class 0.000 description 1
• 239000001175 calcium sulphate Substances 0.000 description 1
• 238000010924 continuous production Methods 0.000 description 1
• 239000013078 crystal Substances 0.000 description 1
• BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
• 239000002367 phosphate rock Substances 0.000 description 1
• OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
• 238000002360 preparation method Methods 0.000 description 1
• 239000002002 slurry Substances 0.000 description 1
• 239000007787 solid Substances 0.000 description 1