NO121571B - - Google Patents

Info

Publication number

NO121571B

NO121571B NO16712467A NO16712467A NO121571B NO 121571 B NO121571 B NO 121571B NO 16712467 A NO16712467 A NO 16712467A NO 16712467 A NO16712467 A NO 16712467A NO 121571 B NO121571 B NO 121571B

Authority

NO

Norway

Prior art keywords

tank

mass

cloth

liquid

filter

Prior art date

1967-03-03

Links

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• 239000004744 fabric Substances 0.000 claims description 29
• 239000007788 liquid Substances 0.000 claims description 29
• 238000000034 method Methods 0.000 claims description 19
• 239000010865 sewage Substances 0.000 claims description 13
• 238000004062 sedimentation Methods 0.000 claims description 10
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
• BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical compound O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 claims description 8
• 239000010802 sludge Substances 0.000 claims description 8
• 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 7
• 235000011941 Tilia x europaea Nutrition 0.000 claims description 7
• 239000003795 chemical substances by application Substances 0.000 claims description 7
• 239000003295 industrial effluent Substances 0.000 claims description 7
• 239000004571 lime Substances 0.000 claims description 7
• 238000002156 mixing Methods 0.000 claims description 7
• 239000007787 solid Substances 0.000 claims description 7
• 239000000203 mixture Substances 0.000 claims description 6
• 238000003756 stirring Methods 0.000 claims description 6
• ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 claims description 5
• 238000006243 chemical reaction Methods 0.000 claims description 5
• 229910001388 sodium aluminate Inorganic materials 0.000 claims description 5
• 239000000725 suspension Substances 0.000 claims description 5
• 238000004140 cleaning Methods 0.000 claims description 4
• 239000000463 material Substances 0.000 claims description 4
• AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 3
• 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 3
• 235000011116 calcium hydroxide Nutrition 0.000 claims description 3
• 239000000920 calcium hydroxide Substances 0.000 claims description 3
• 230000001112 coagulating effect Effects 0.000 claims description 3
• 239000002245 particle Substances 0.000 claims description 3
• 238000002360 preparation method Methods 0.000 claims description 3
• DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 2
• 230000001427 coherent effect Effects 0.000 claims 2
• TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims 2
• QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims 1
• 229910021653 sulphate ion Inorganic materials 0.000 claims 1
• 239000000701 coagulant Substances 0.000 description 8
• 238000000746 purification Methods 0.000 description 5
• 239000000126 substance Substances 0.000 description 5
• WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 2
• 230000015572 biosynthetic process Effects 0.000 description 2
• ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
• 239000003513 alkali Substances 0.000 description 1
• QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
• 238000010276 construction Methods 0.000 description 1
• 239000000356 contaminant Substances 0.000 description 1
• 238000002474 experimental method Methods 0.000 description 1
• 239000011872 intimate mixture Substances 0.000 description 1
• 229910052760 oxygen Inorganic materials 0.000 description 1
• 239000001301 oxygen Substances 0.000 description 1
• 239000002244 precipitate Substances 0.000 description 1
• 239000013589 supplement Substances 0.000 description 1