BE711122A - - Google Patents

Info

Publication number

BE711122A

BE711122A BE711122DA BE711122A BE 711122 A BE711122 A BE 711122A BE 711122D A BE711122D A BE 711122DA BE 711122 A BE711122 A BE 711122A

Authority

BE

Belgium

Prior art keywords

pipe

gypsum

mixture

solution

ammonium sulphate

Prior art date

1968-02-22

Links

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• BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 18
• 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 13
• 235000011130 ammonium sulphate Nutrition 0.000 claims description 13
• 229910052602 gypsum Inorganic materials 0.000 claims description 13
• 239000010440 gypsum Substances 0.000 claims description 13
• 238000000034 method Methods 0.000 claims description 8
• 239000001166 ammonium sulphate Substances 0.000 claims description 7
• 238000002360 preparation method Methods 0.000 claims description 4
• 238000006243 chemical reaction Methods 0.000 description 16
• QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 14
• 239000000203 mixture Substances 0.000 description 13
• 238000002425 crystallisation Methods 0.000 description 9
• 230000008025 crystallization Effects 0.000 description 9
• VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 8
• BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 7
• 229910021529 ammonia Inorganic materials 0.000 description 6
• 239000013078 crystal Substances 0.000 description 5
• 229910000019 calcium carbonate Inorganic materials 0.000 description 4
• 238000001816 cooling Methods 0.000 description 4
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
• 238000005057 refrigeration Methods 0.000 description 3
• 238000000926 separation method Methods 0.000 description 3
• CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
• 239000007789 gas Substances 0.000 description 2
• 238000009434 installation Methods 0.000 description 2
• 239000007788 liquid Substances 0.000 description 2
• 238000002156 mixing Methods 0.000 description 2
• BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
• QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
• 238000013019 agitation Methods 0.000 description 1
• 230000001174 ascending effect Effects 0.000 description 1
• 239000001569 carbon dioxide Substances 0.000 description 1
• 229910002092 carbon dioxide Inorganic materials 0.000 description 1
• 238000005352 clarification Methods 0.000 description 1
• 239000000498 cooling water Substances 0.000 description 1
• 239000000706 filtrate Substances 0.000 description 1
• 238000001914 filtration Methods 0.000 description 1
• 239000008240 homogeneous mixture Substances 0.000 description 1
• 239000011872 intimate mixture Substances 0.000 description 1
• 238000004064 recycling Methods 0.000 description 1
• 238000007790 scraping Methods 0.000 description 1
• 239000007787 solid Substances 0.000 description 1
• 239000000126 substance Substances 0.000 description 1
• 229910021653 sulphate ion Inorganic materials 0.000 description 1
• 239000013589 supplement Substances 0.000 description 1
• 239000000725 suspension Substances 0.000 description 1
• 230000009466 transformation Effects 0.000 description 1
• 238000005406 washing Methods 0.000 description 1