NO312158B1 - Fremgangsmåte ved behandling av vandig slam - Google Patents
Fremgangsmåte ved behandling av vandig slam Download PDFInfo
- Publication number
- NO312158B1 NO312158B1 NO19955033A NO955033A NO312158B1 NO 312158 B1 NO312158 B1 NO 312158B1 NO 19955033 A NO19955033 A NO 19955033A NO 955033 A NO955033 A NO 955033A NO 312158 B1 NO312158 B1 NO 312158B1
- Authority
- NO
- Norway
- Prior art keywords
- sludge
- compound
- alunite
- sodium
- iron
- Prior art date
Links
- 239000010802 sludge Substances 0.000 title claims description 117
- 238000000034 method Methods 0.000 title claims description 68
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 110
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 79
- 229910052934 alunite Inorganic materials 0.000 claims description 69
- 239000010424 alunite Substances 0.000 claims description 69
- KPZTWMNLAFDTGF-UHFFFAOYSA-D trialuminum;potassium;hexahydroxide;disulfate Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Al+3].[Al+3].[Al+3].[K+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O KPZTWMNLAFDTGF-UHFFFAOYSA-D 0.000 claims description 67
- 229910052782 aluminium Inorganic materials 0.000 claims description 53
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 48
- 229910052742 iron Inorganic materials 0.000 claims description 45
- 238000001556 precipitation Methods 0.000 claims description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 45
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 42
- 239000000243 solution Substances 0.000 claims description 38
- 239000011734 sodium Substances 0.000 claims description 37
- 239000007787 solid Substances 0.000 claims description 37
- 239000002244 precipitate Substances 0.000 claims description 35
- 239000000701 coagulant Substances 0.000 claims description 33
- 229910052935 jarosite Inorganic materials 0.000 claims description 33
- 238000004090 dissolution Methods 0.000 claims description 29
- 229910052708 sodium Inorganic materials 0.000 claims description 26
- 150000001875 compounds Chemical class 0.000 claims description 23
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 22
- 238000000926 separation method Methods 0.000 claims description 19
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 14
- 238000005406 washing Methods 0.000 claims description 13
- 230000002378 acidificating effect Effects 0.000 claims description 12
- 238000001354 calcination Methods 0.000 claims description 12
- 239000003513 alkali Substances 0.000 claims description 11
- 239000002198 insoluble material Substances 0.000 claims description 11
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 11
- 235000011152 sodium sulphate Nutrition 0.000 claims description 11
- 150000003388 sodium compounds Chemical class 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 7
- 239000003929 acidic solution Substances 0.000 claims description 7
- -1 alunite compound Chemical class 0.000 claims description 7
- 150000007522 mineralic acids Chemical class 0.000 claims description 6
- 150000002506 iron compounds Chemical class 0.000 claims description 5
- 159000000000 sodium salts Chemical class 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 3
- 239000000920 calcium hydroxide Substances 0.000 claims description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000292 calcium oxide Substances 0.000 claims description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 3
- 239000003153 chemical reaction reagent Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 3
- 239000000347 magnesium hydroxide Substances 0.000 claims description 3
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 3
- 239000000395 magnesium oxide Substances 0.000 claims description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 3
- 235000011116 calcium hydroxide Nutrition 0.000 claims 2
- 235000012254 magnesium hydroxide Nutrition 0.000 claims 2
- 229940095643 calcium hydroxide Drugs 0.000 claims 1
- 235000012255 calcium oxide Nutrition 0.000 claims 1
- 229940087373 calcium oxide Drugs 0.000 claims 1
- 229960000816 magnesium hydroxide Drugs 0.000 claims 1
- 229960000869 magnesium oxide Drugs 0.000 claims 1
- 235000012245 magnesium oxide Nutrition 0.000 claims 1
- 239000012535 impurity Substances 0.000 description 25
- 238000002474 experimental method Methods 0.000 description 24
- 239000000047 product Substances 0.000 description 22
- 239000000126 substance Substances 0.000 description 22
- 239000000706 filtrate Substances 0.000 description 19
- 238000006243 chemical reaction Methods 0.000 description 18
- 239000002253 acid Substances 0.000 description 15
- 238000005345 coagulation Methods 0.000 description 15
- 230000015271 coagulation Effects 0.000 description 15
- 238000012360 testing method Methods 0.000 description 13
- 229910001385 heavy metal Inorganic materials 0.000 description 12
- 239000011651 chromium Substances 0.000 description 11
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 10
- 239000003864 humus Substances 0.000 description 9
- 238000004064 recycling Methods 0.000 description 9
- 239000002002 slurry Substances 0.000 description 9
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 8
- 238000001914 filtration Methods 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 239000011368 organic material Substances 0.000 description 8
- 239000007858 starting material Substances 0.000 description 8
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 7
- 238000004458 analytical method Methods 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 7
- 239000003651 drinking water Substances 0.000 description 7
- 235000020188 drinking water Nutrition 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 7
- 238000000746 purification Methods 0.000 description 7
- 239000002351 wastewater Substances 0.000 description 7
- 208000005156 Dehydration Diseases 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 230000018044 dehydration Effects 0.000 description 6
- 238000006297 dehydration reaction Methods 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 5
- 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 description 5
- 238000010586 diagram Methods 0.000 description 5
- 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 description 5
- 238000009826 distribution Methods 0.000 description 5
- 239000011790 ferrous sulphate Substances 0.000 description 5
- 235000003891 ferrous sulphate Nutrition 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229920000867 polyelectrolyte Polymers 0.000 description 5
- 239000000523 sample Substances 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 239000002585 base Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 239000005416 organic matter Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000035484 reaction time Effects 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 230000008719 thickening Effects 0.000 description 4
- 229910052804 chromium Inorganic materials 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 3
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 235000011149 sulphuric acid Nutrition 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 239000012065 filter cake Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910021506 iron(II) hydroxide Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000000 metal hydroxide Inorganic materials 0.000 description 2
- 150000004692 metal hydroxides Chemical class 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 229910021653 sulphate ion Inorganic materials 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 239000007832 Na2SO4 Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000061 acid fraction Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 1
- 229910001570 bauxite Inorganic materials 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 150000001767 cationic compounds Chemical class 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000012297 crystallization seed Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- 229960004887 ferric hydroxide Drugs 0.000 description 1
- 229960002089 ferrous chloride Drugs 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 229910001679 gibbsite Inorganic materials 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 1
- 235000014413 iron hydroxide Nutrition 0.000 description 1
- IEECXTSVVFWGSE-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Fe+3] IEECXTSVVFWGSE-UHFFFAOYSA-M 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- 238000010169 landfilling Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 239000010841 municipal wastewater Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-O oxonium Chemical compound [OH3+] XLYOFNOQVPJJNP-UHFFFAOYSA-O 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- 238000011020 pilot scale process Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- ZMRUPTIKESYGQW-UHFFFAOYSA-N propranolol hydrochloride Chemical compound [H+].[Cl-].C1=CC=C2C(OCC(O)CNC(C)C)=CC=CC2=C1 ZMRUPTIKESYGQW-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000013074 reference sample Substances 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 238000002076 thermal analysis method Methods 0.000 description 1
- 230000009974 thixotropic effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000003828 vacuum filtration Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
- C02F11/143—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using inorganic substances
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
- C02F11/143—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using inorganic substances
- C02F11/145—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using inorganic substances using calcium compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Treatment Of Sludge (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI932798A FI97291C (fi) | 1993-06-17 | 1993-06-17 | Menetelmä alumiinin talteenottamiseksi vedenkäsittelylietteestä |
| PCT/FI1994/000262 WO1995000446A1 (en) | 1993-06-17 | 1994-06-16 | Method for the treatment of water treatment sludge |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO955033D0 NO955033D0 (no) | 1995-12-12 |
| NO955033L NO955033L (no) | 1996-02-16 |
| NO312158B1 true NO312158B1 (no) | 2002-04-02 |
Family
ID=8538158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO19955033A NO312158B1 (no) | 1993-06-17 | 1995-12-12 | Fremgangsmåte ved behandling av vandig slam |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US5674402A (de) |
| EP (1) | EP0703874B1 (de) |
| JP (1) | JP3192427B2 (de) |
| KR (1) | KR100216012B1 (de) |
| CA (1) | CA2165168C (de) |
| DE (1) | DE69415526T2 (de) |
| ES (1) | ES2126875T3 (de) |
| FI (1) | FI97291C (de) |
| NO (1) | NO312158B1 (de) |
| WO (1) | WO1995000446A1 (de) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2100123B1 (es) * | 1995-04-26 | 1998-01-01 | Depuracion Y Reciclaje S L | Nuevo procedimiento para la depuracion de vertidos con alto contenido de materia organica. |
| FI103034B (fi) * | 1996-04-16 | 1999-04-15 | Kemira Oyj | Menetelmä ferrirautaa sisältävien vedenpuhdistusliuosten valmistamisek si sekä saatujen tuotteiden käyttö |
| GR1003419B (el) * | 1999-04-19 | 2000-09-01 | - | Μεθοδος απομακρυνσης αλουμινιου και/η χρωμιου απο θειικα διαλυματα νικελιου και/η κοβαλτιου σε ατμοσφαιρικη πιεση |
| JP4186523B2 (ja) * | 2002-06-26 | 2008-11-26 | 株式会社日立製作所 | 排水浄化装置および排水浄化システム |
| US8071055B2 (en) * | 2002-12-04 | 2011-12-06 | Blue Water Technologies, Inc. | Water treatment techniques |
| US8080163B2 (en) * | 2002-12-04 | 2011-12-20 | Blue Water Technologies, Inc. | Water treatment method |
| EP1673307A1 (de) * | 2003-10-17 | 2006-06-28 | Feralco AB | Verfahren zur behandlung von schlamm |
| KR100757518B1 (ko) * | 2005-02-24 | 2007-09-11 | 조영봉 | 폐산, 폐알칼리 및 슬러지의 처리 및 자원화 방법 |
| CN101272837B (zh) * | 2005-09-30 | 2012-02-22 | 科学与工业研究委员会 | 用于制备具有高纯度和高洁白度的晒制盐的低成本工艺 |
| KR100715093B1 (ko) * | 2005-12-30 | 2007-05-07 | (주) 빛과환경 | 오염수의 처리와 동반하여, 응집제로서 첨가된 가수분해성금속화합물로부터 유·무기원소-도핑 금속산화물을 회수하는방법 |
| FR2898889B1 (fr) * | 2006-03-27 | 2008-09-05 | Veolia Eau Cie Generale Des Ea | Procede d'obtention d'un produit coagulant, produit destine a fabriquer ledit coagulant et procede de traitement des eaux usees et/ou industrielles utilisant ledit coagulant |
| US8741154B2 (en) | 2008-10-17 | 2014-06-03 | Remembrance Newcombe | Water denitrification |
| US20110084029A1 (en) * | 2009-10-08 | 2011-04-14 | Dominick O' Reilly | Waste treatment system |
| US20110089097A1 (en) * | 2009-10-19 | 2011-04-21 | O'reilly Dominick | Attachment and system for dewatering material |
| US20110094395A1 (en) * | 2009-10-26 | 2011-04-28 | O'reilly Dominick | Method and attachment for dewatering logs |
| FR3050993B1 (fr) | 2016-05-09 | 2020-01-31 | Arkema France | Composition de poly-(aryl-ether-cetone) (paek) a faible taux de composes volatils et son utilisation dans un procede de frittage |
| WO2018039411A1 (en) * | 2016-08-24 | 2018-03-01 | Heritage Research Group | Treatment of sludges and flocculants using insoluble magnesium hydroxide colloidal suspensions |
| US10626031B2 (en) | 2016-08-24 | 2020-04-21 | Heritage Research Group | Treatment of sludges and flocculants using insoluble mineral colloidal suspensions |
| CN109292938A (zh) * | 2018-12-09 | 2019-02-01 | 安徽航天环境工程有限公司 | 一种含铝酸洗污泥再利用方法 |
| CN109292937A (zh) * | 2018-12-09 | 2019-02-01 | 安徽航天环境工程有限公司 | 一种含铁酸洗污泥再利用方法 |
| CN110937772A (zh) * | 2019-12-11 | 2020-03-31 | 中冶华天工程技术有限公司 | 污泥有机/无机成分分离方法 |
| CN114275924A (zh) * | 2021-07-14 | 2022-04-05 | 湖南省煤炭科学研究院有限公司 | 一种酸性矿山废水治理及资源化利用的方法 |
| KR20240124685A (ko) * | 2023-02-09 | 2024-08-19 | 에스케이이노베이션 주식회사 | 폐수 내 알루미늄 폐기물을 제거하는 공정 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1517730C3 (de) * | 1964-06-30 | 1975-03-13 | Erhardt Dr. 6230 Frankfurt Baer | Verfahren zur Reinigung von Wässern |
| US3268443A (en) * | 1965-05-05 | 1966-08-23 | Everett D Cann | Process for the treatment of waste liquors with flocculating agent recovery |
| US4176160A (en) * | 1971-06-23 | 1979-11-27 | Societe De Prayon | Process for purifying a zinc sulfate solution |
| GB1409688A (en) * | 1973-11-05 | 1975-10-15 | Nittetsu Mining Co Ld | Production of crystalline aluminium sulphate |
| NO740247L (de) * | 1974-01-28 | 1975-08-25 | Apothekernes Lab | |
| US3959133A (en) * | 1974-09-11 | 1976-05-25 | Metcalf & Eddy, Inc. | Alum recovery and waste disposal in water treatment |
| US4038180A (en) * | 1974-11-22 | 1977-07-26 | Agway, Inc. | Process of dewatering sewage sludge |
| JPS5224190A (en) * | 1975-08-20 | 1977-02-23 | Toyo Soda Mfg Co Ltd | Recovery of aluminum compound from aluminum-sludge including iron or m angan ese compound |
| US4024087A (en) * | 1975-11-06 | 1977-05-17 | Jury Abramovich Lainer | Method of preparing coagulant for purification of water from mechanical admixtures |
| US4293915A (en) * | 1979-04-16 | 1981-10-06 | Pacific Technology, Inc. | Programmable electronic real-time load controller |
| US4448696A (en) * | 1982-02-23 | 1984-05-15 | U.S. Environmental Products, Inc. | Process for recovering and recycling coagulant present in water treatment sludges |
| JPS61184038A (ja) * | 1985-02-08 | 1986-08-16 | Sanyo Electric Co Ltd | 通信システム |
| EP0195297B1 (de) * | 1985-03-06 | 1991-05-02 | Karl Clemens Käuffer | Verfahren und Vorrichtung zum Schliessen der Kreisläufe bei der Reinigung von Wasser und Abwasser |
| JPS62270416A (ja) * | 1986-05-16 | 1987-11-24 | Yoshida Kogyo Kk <Ykk> | 水酸化アルミニウムスラツジから硫酸アルミニウム水溶液を連続的に合成する方法およびそのための装置 |
| JPS63253816A (ja) * | 1987-04-09 | 1988-10-20 | 株式会社東芝 | 閉鎖配電盤制御装置 |
| JP2751400B2 (ja) * | 1989-05-19 | 1998-05-18 | 松下電器産業株式会社 | 機器制御装置 |
| DK173458B1 (da) * | 1998-12-14 | 2000-11-27 | Danmarks Og Groenlands Geol Un | Separeringsrobust, selvnivellerende, selvkomprimerende beton med 'High Performance' egenskaber |
-
1993
- 1993-06-17 FI FI932798A patent/FI97291C/fi active
-
1994
- 1994-06-16 EP EP95904343A patent/EP0703874B1/de not_active Expired - Lifetime
- 1994-06-16 WO PCT/FI1994/000262 patent/WO1995000446A1/en active IP Right Grant
- 1994-06-16 ES ES95904343T patent/ES2126875T3/es not_active Expired - Lifetime
- 1994-06-16 CA CA002165168A patent/CA2165168C/en not_active Expired - Fee Related
- 1994-06-16 KR KR1019950705746A patent/KR100216012B1/ko not_active IP Right Cessation
- 1994-06-16 JP JP50246795A patent/JP3192427B2/ja not_active Expired - Fee Related
- 1994-06-16 DE DE69415526T patent/DE69415526T2/de not_active Expired - Fee Related
- 1994-06-16 US US08/564,212 patent/US5674402A/en not_active Expired - Lifetime
-
1995
- 1995-12-12 NO NO19955033A patent/NO312158B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0703874A1 (de) | 1996-04-03 |
| FI97291C (fi) | 1996-11-25 |
| CA2165168A1 (en) | 1995-01-05 |
| DE69415526D1 (de) | 1999-02-04 |
| CA2165168C (en) | 2002-05-28 |
| DE69415526T2 (de) | 1999-05-20 |
| EP0703874B1 (de) | 1998-12-23 |
| KR100216012B1 (ko) | 1999-08-16 |
| FI932798A0 (fi) | 1993-06-17 |
| US5674402A (en) | 1997-10-07 |
| KR960703093A (ko) | 1996-06-19 |
| WO1995000446A1 (en) | 1995-01-05 |
| JP3192427B2 (ja) | 2001-07-30 |
| JPH09503693A (ja) | 1997-04-15 |
| FI97291B (fi) | 1996-08-15 |
| NO955033D0 (no) | 1995-12-12 |
| NO955033L (no) | 1996-02-16 |
| FI932798A (fi) | 1994-12-18 |
| ES2126875T3 (es) | 1999-04-01 |
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