SU154245A1 - - Google Patents

Info

Publication number

SU154245A1

SU154245A1 SU770268A SU770268A SU154245A1 SU 154245 A1 SU154245 A1 SU 154245A1 SU 770268 A SU770268 A SU 770268A SU 770268 A SU770268 A SU 770268A SU 154245 A1 SU154245 A1 SU 154245A1

Authority

SU

USSR - Soviet Union

Prior art keywords

pulp

water

filtered

subjected

filter

Prior art date

Links

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• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
• 238000000034 method Methods 0.000 description 5
• OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 5
• 229910052939 potassium sulfate Inorganic materials 0.000 description 5
• 235000011151 potassium sulphates Nutrition 0.000 description 5
• 238000001704 evaporation Methods 0.000 description 3
• 230000008020 evaporation Effects 0.000 description 3
• 239000000203 mixture Substances 0.000 description 3
• 239000001120 potassium sulphate Substances 0.000 description 3
• 238000003756 stirring Methods 0.000 description 3
• TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
• 238000002425 crystallisation Methods 0.000 description 2
• 230000008025 crystallization Effects 0.000 description 2
• 239000003337 fertilizer Substances 0.000 description 2
• 229910052602 gypsum Inorganic materials 0.000 description 2
• 239000010440 gypsum Substances 0.000 description 2
• 239000002244 precipitate Substances 0.000 description 2
• 239000013049 sediment Substances 0.000 description 2
• PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
• QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
• 238000009835 boiling Methods 0.000 description 1
• 238000001914 filtration Methods 0.000 description 1
• 229910001629 magnesium chloride Inorganic materials 0.000 description 1
• 239000012452 mother liquor Substances 0.000 description 1
• 238000000746 purification Methods 0.000 description 1
• 238000010992 reflux Methods 0.000 description 1
• 229910052938 sodium sulfate Inorganic materials 0.000 description 1
• 235000011152 sodium sulphate Nutrition 0.000 description 1
• 239000000126 substance Substances 0.000 description 1
• 229910021653 sulphate ion Inorganic materials 0.000 description 1