CA2025210A1 - Methode pour obtenir des precipites grossiers a partir de solutions ou de suspensions epaisses renfermant des acides ou des sels metalliques - Google Patents
Methode pour obtenir des precipites grossiers a partir de solutions ou de suspensions epaisses renfermant des acides ou des sels metalliquesInfo
- Publication number
- CA2025210A1 CA2025210A1 CA 2025210 CA2025210A CA2025210A1 CA 2025210 A1 CA2025210 A1 CA 2025210A1 CA 2025210 CA2025210 CA 2025210 CA 2025210 A CA2025210 A CA 2025210A CA 2025210 A1 CA2025210 A1 CA 2025210A1
- Authority
- CA
- Canada
- Prior art keywords
- precipitant
- precipitate
- floccules
- flocculant
- slurry
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 239000002244 precipitate Substances 0.000 title claims abstract description 52
- 239000002002 slurry Substances 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 23
- 229910052751 metal Chemical class 0.000 title claims abstract description 14
- 239000002184 metal Chemical class 0.000 title claims abstract description 14
- 150000003839 salts Chemical class 0.000 title claims abstract description 12
- 239000002253 acid Substances 0.000 title claims abstract description 9
- 150000007513 acids Chemical class 0.000 title claims abstract description 7
- 239000007787 solid Substances 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 238000013019 agitation Methods 0.000 claims abstract description 7
- 239000011362 coarse particle Substances 0.000 claims abstract description 6
- 238000000926 separation method Methods 0.000 claims abstract description 6
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 5
- 239000000920 calcium hydroxide Substances 0.000 claims abstract description 5
- 235000011116 calcium hydroxide Nutrition 0.000 claims abstract description 5
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract description 5
- 230000003311 flocculating effect Effects 0.000 claims abstract description 4
- 239000000243 solution Substances 0.000 claims description 28
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 10
- 239000000701 coagulant Substances 0.000 claims description 9
- 150000001450 anions Chemical class 0.000 claims description 7
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 6
- 239000002775 capsule Substances 0.000 claims description 6
- 150000001768 cations Chemical class 0.000 claims description 6
- 229920002401 polyacrylamide Polymers 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 5
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 claims description 5
- 239000001506 calcium phosphate Substances 0.000 claims description 4
- 229910000389 calcium phosphate Inorganic materials 0.000 claims description 4
- 235000011010 calcium phosphates Nutrition 0.000 claims description 4
- 239000003153 chemical reaction reagent Substances 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- 229910019142 PO4 Inorganic materials 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 239000011575 calcium Substances 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010459 dolomite Substances 0.000 claims description 2
- 229910000514 dolomite Inorganic materials 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 229910052745 lead Inorganic materials 0.000 claims 1
- 239000011435 rock Substances 0.000 claims 1
- 239000002245 particle Substances 0.000 abstract description 9
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 21
- 235000011941 Tilia x europaea Nutrition 0.000 description 21
- 239000004571 lime Substances 0.000 description 21
- 125000000129 anionic group Chemical group 0.000 description 8
- 239000004576 sand Substances 0.000 description 7
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 6
- 239000008394 flocculating agent Substances 0.000 description 5
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 4
- 239000000084 colloidal system Substances 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 238000005189 flocculation Methods 0.000 description 4
- 230000016615 flocculation Effects 0.000 description 4
- 150000004692 metal hydroxides Chemical group 0.000 description 4
- 238000006386 neutralization reaction Methods 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 239000001175 calcium sulphate Substances 0.000 description 3
- 235000011132 calcium sulphate Nutrition 0.000 description 3
- 229910000000 metal hydroxide Inorganic materials 0.000 description 3
- 229920000867 polyelectrolyte Polymers 0.000 description 3
- 159000000000 sodium salts Chemical class 0.000 description 3
- PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 238000003914 acid mine drainage Methods 0.000 description 2
- 235000010216 calcium carbonate Nutrition 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 229940047670 sodium acrylate Drugs 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- MUZDXNQOSGWMJJ-UHFFFAOYSA-N 2-methylprop-2-enoic acid;prop-2-enoic acid Chemical group OC(=O)C=C.CC(=C)C(O)=O MUZDXNQOSGWMJJ-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229920006322 acrylamide copolymer Polymers 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M acrylate group Chemical group C(C=C)(=O)[O-] NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- -1 aluminum salts Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229940043430 calcium compound Drugs 0.000 description 1
- 150000001674 calcium compounds Chemical class 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 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 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 159000000014 iron salts Chemical class 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000002367 phosphate rock Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2025210 CA2025210A1 (fr) | 1990-09-12 | 1990-09-12 | Methode pour obtenir des precipites grossiers a partir de solutions ou de suspensions epaisses renfermant des acides ou des sels metalliques |
| US07/983,024 US5238579A (en) | 1990-09-12 | 1992-11-30 | Method for generating coarse precipitates from solutions or slurries containing ionic species |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2025210 CA2025210A1 (fr) | 1990-09-12 | 1990-09-12 | Methode pour obtenir des precipites grossiers a partir de solutions ou de suspensions epaisses renfermant des acides ou des sels metalliques |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2025210A1 true CA2025210A1 (fr) | 1992-03-13 |
Family
ID=4145958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2025210 Abandoned CA2025210A1 (fr) | 1990-09-12 | 1990-09-12 | Methode pour obtenir des precipites grossiers a partir de solutions ou de suspensions epaisses renfermant des acides ou des sels metalliques |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2025210A1 (fr) |
-
1990
- 1990-09-12 CA CA 2025210 patent/CA2025210A1/fr not_active Abandoned
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Dead |