CA1097605A - Water clarification - Google Patents
Water clarificationInfo
- Publication number
- CA1097605A CA1097605A CA277,389A CA277389A CA1097605A CA 1097605 A CA1097605 A CA 1097605A CA 277389 A CA277389 A CA 277389A CA 1097605 A CA1097605 A CA 1097605A
- Authority
- CA
- Canada
- Prior art keywords
- adsorbent
- coagulant
- water
- separating
- alum
- 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.)
- Expired
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 138
- 238000005352 clarification Methods 0.000 title claims description 10
- 239000000701 coagulant Substances 0.000 claims abstract description 105
- 239000003463 adsorbent Substances 0.000 claims abstract description 100
- 238000000034 method Methods 0.000 claims abstract description 81
- 239000002245 particle Substances 0.000 claims abstract description 73
- 239000000463 material Substances 0.000 claims abstract description 42
- 238000011282 treatment Methods 0.000 claims abstract description 33
- 230000008569 process Effects 0.000 claims abstract description 30
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 18
- 239000011707 mineral Substances 0.000 claims abstract description 18
- 230000008929 regeneration Effects 0.000 claims abstract description 18
- 238000011069 regeneration method Methods 0.000 claims abstract description 18
- 238000004064 recycling Methods 0.000 claims abstract description 17
- 239000000126 substance Substances 0.000 claims abstract description 15
- 239000012535 impurity Substances 0.000 claims abstract description 13
- 239000004927 clay Substances 0.000 claims abstract description 11
- 238000001179 sorption measurement Methods 0.000 claims abstract description 11
- 239000002344 surface layer Substances 0.000 claims abstract description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 87
- 229940037003 alum Drugs 0.000 claims description 48
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 46
- 239000000243 solution Substances 0.000 claims description 30
- 238000002156 mixing Methods 0.000 claims description 23
- 239000003513 alkali Substances 0.000 claims description 20
- 239000007787 solid Substances 0.000 claims description 17
- 239000010410 layer Substances 0.000 claims description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 15
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 14
- 239000011236 particulate material Substances 0.000 claims description 13
- 150000001768 cations Chemical class 0.000 claims description 12
- 238000005406 washing Methods 0.000 claims description 12
- 230000005291 magnetic effect Effects 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims description 11
- 239000000725 suspension Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 239000004576 sand Substances 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- 238000007885 magnetic separation Methods 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 6
- 239000012670 alkaline solution Substances 0.000 claims description 5
- IEECXTSVVFWGSE-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide Chemical group [OH-].[O-2].[Fe+3] IEECXTSVVFWGSE-UHFFFAOYSA-M 0.000 claims description 5
- 229910000000 metal hydroxide Inorganic materials 0.000 claims description 5
- 150000004692 metal hydroxides Chemical group 0.000 claims description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 4
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 4
- 229910000859 α-Fe Inorganic materials 0.000 claims description 4
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 3
- 239000010445 mica Substances 0.000 claims description 3
- 229910052618 mica group Inorganic materials 0.000 claims description 3
- 238000010979 pH adjustment Methods 0.000 claims description 3
- 239000002244 precipitate Substances 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 2
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- 239000001175 calcium sulphate Substances 0.000 claims description 2
- 235000011132 calcium sulphate Nutrition 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims 2
- 229910001748 carbonate mineral Inorganic materials 0.000 claims 1
- 229910001447 ferric ion Inorganic materials 0.000 claims 1
- 229910001448 ferrous ion Inorganic materials 0.000 claims 1
- 229910021506 iron(II) hydroxide Inorganic materials 0.000 claims 1
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 claims 1
- 229910052592 oxide mineral Inorganic materials 0.000 claims 1
- 230000001172 regenerating effect Effects 0.000 claims 1
- 229910052604 silicate mineral Inorganic materials 0.000 claims 1
- 229910052600 sulfate mineral Inorganic materials 0.000 claims 1
- SFKTYEXKZXBQRQ-UHFFFAOYSA-J thorium(4+);tetrahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[Th+4] SFKTYEXKZXBQRQ-UHFFFAOYSA-J 0.000 claims 1
- 238000005345 coagulation Methods 0.000 abstract description 10
- 230000015271 coagulation Effects 0.000 abstract description 10
- 239000007863 gel particle Substances 0.000 description 35
- 239000000084 colloidal system Substances 0.000 description 30
- 235000011121 sodium hydroxide Nutrition 0.000 description 26
- 235000010755 mineral Nutrition 0.000 description 15
- 239000010802 sludge Substances 0.000 description 14
- 239000000203 mixture Substances 0.000 description 11
- 238000002360 preparation method Methods 0.000 description 9
- 239000006228 supernatant Substances 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- 239000006148 magnetic separator Substances 0.000 description 7
- 238000003756 stirring Methods 0.000 description 7
- 238000004040 coloring Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 5
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000746 purification Methods 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- 101100457021 Caenorhabditis elegans mag-1 gene Proteins 0.000 description 4
- 241000195493 Cryptophyta Species 0.000 description 4
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 4
- 101100067996 Mus musculus Gbp1 gene Proteins 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 239000001164 aluminium sulphate Substances 0.000 description 4
- 235000011128 aluminium sulphate Nutrition 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 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 4
- 238000002474 experimental method Methods 0.000 description 4
- 229960005191 ferric oxide Drugs 0.000 description 4
- 238000005189 flocculation Methods 0.000 description 4
- 230000016615 flocculation Effects 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 235000013980 iron oxide Nutrition 0.000 description 4
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 4
- 238000009287 sand filtration Methods 0.000 description 4
- 238000013019 agitation Methods 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 230000001112 coagulating effect Effects 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 3
- 238000010908 decantation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229960004887 ferric hydroxide Drugs 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 240000009108 Chlorella vulgaris Species 0.000 description 2
- 235000007089 Chlorella vulgaris Nutrition 0.000 description 2
- 101150030061 Eloc gene Proteins 0.000 description 2
- 241000700605 Viruses Species 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000003922 charged colloid Substances 0.000 description 2
- 239000002734 clay mineral Substances 0.000 description 2
- 230000003226 decolorizating effect Effects 0.000 description 2
- 238000004042 decolorization Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000005294 ferromagnetic effect Effects 0.000 description 2
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 2
- 238000007429 general method Methods 0.000 description 2
- 239000002198 insoluble material Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 150000004760 silicates Chemical class 0.000 description 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- 101100074187 Caenorhabditis elegans lag-1 gene Proteins 0.000 description 1
- 241000195649 Chlorella <Chlorellales> Species 0.000 description 1
- 229910052776 Thorium Inorganic materials 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 159000000013 aluminium salts Chemical class 0.000 description 1
- 229910000329 aluminium sulfate Inorganic materials 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 239000003957 anion exchange resin Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- WGKPFDMDSUJKFQ-UHFFFAOYSA-L calcium azane dihydroxide Chemical compound N.[OH-].[Ca+2].[OH-] WGKPFDMDSUJKFQ-UHFFFAOYSA-L 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000002509 fulvic acid Substances 0.000 description 1
- 229910001679 gibbsite Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004021 humic acid Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- MGIUUAHJVPPFEV-ABXDCCGRSA-N magainin ii Chemical compound C([C@H](NC(=O)[C@H](CCCCN)NC(=O)CNC(=O)[C@@H](NC(=O)CN)[C@@H](C)CC)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC=1NC=NC=1)C(=O)N[C@@H](CO)C(=O)N[C@@H](C)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)N[C@@H](C)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](C(C)C)C(=O)NCC(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CCSC)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CO)C(O)=O)C1=CC=CC=C1 MGIUUAHJVPPFEV-ABXDCCGRSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- AJCDFVKYMIUXCR-UHFFFAOYSA-N oxobarium;oxo(oxoferriooxy)iron Chemical compound [Ba]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O AJCDFVKYMIUXCR-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- 229920000867 polyelectrolyte Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002195 soluble material Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000011800 void material Substances 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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3202—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the carrier, support or substrate used for impregnation or coating
- B01J20/3204—Inorganic carriers, supports or substrates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
- B01J20/3234—Inorganic material layers
- B01J20/3236—Inorganic material layers containing metal, other than zeolites, e.g. oxides, hydroxides, sulphides or salts
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- 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
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
- C02F1/488—Treatment of water, waste water, or sewage with magnetic or electric fields for separation of magnetic materials, e.g. magnetic flocculation
-
- 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
- C02F1/5227—Processes for facilitating the dissolution of solid flocculants in water
-
- 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
-
- 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
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AUPC5798/76 | 1976-05-03 | ||
| AUPC579876 | 1976-05-03 | ||
| AUPC9576/77 | 1977-03-25 | ||
| AUPC957677 | 1977-03-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1097605A true CA1097605A (en) | 1981-03-17 |
Family
ID=25642122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA277,389A Expired CA1097605A (en) | 1976-05-03 | 1977-05-02 | Water clarification |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS52135553A (enrdf_load_stackoverflow) |
| CA (1) | CA1097605A (enrdf_load_stackoverflow) |
| DE (1) | DE2719529A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2350303A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1583881A (enrdf_load_stackoverflow) |
| MY (1) | MY8200238A (enrdf_load_stackoverflow) |
| NL (1) | NL190840C (enrdf_load_stackoverflow) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2497685B1 (fr) * | 1981-01-09 | 1985-12-20 | Inst Rech Hydrologiques | Procede de traitement d'un liquide par passage a travers un lit de particules solides |
| AU554857B2 (en) * | 1981-04-06 | 1986-09-04 | Commonwealth Scientific And Industrial Research Organisation | Water clarification |
| IE55674B1 (en) * | 1982-09-24 | 1990-12-19 | Blue Circle Ind Plc | Compositions comprising mineral particles in suspension and method of treating aqueous systems therewith |
| ATE87886T1 (de) * | 1986-09-16 | 1993-04-15 | Commw Scient Ind Res Org | Abwasserbehandlung. |
| CA1336020C (en) * | 1987-08-17 | 1995-06-20 | Geoffrey Robert. Browne | Clarification process |
| JPH0234580A (ja) * | 1988-07-22 | 1990-02-05 | Kansai Eng:Kk | 電磁波発生連続多孔体及びその製造方法 |
| EP0585318B1 (en) * | 1991-05-29 | 1996-03-13 | HOEFER, Dawn Annette | Batch process and apparatus |
| ATE149876T1 (de) * | 1992-07-09 | 1997-03-15 | Tech Resources Pty Ltd | Reaktor |
| DE4421455A1 (de) * | 1994-06-18 | 1995-12-21 | Sued Chemie Ag | Verfahren zur Aufbereitung von gebrauchten wäßrigen Alkalibentonit-Suspensionen |
| DE4446122A1 (de) * | 1994-12-22 | 1996-06-27 | Sued Chemie Ag | Verfahren zur Herstellung eines Adsorbens für anionische Verbindungen und dessen Verwendung |
| DE102006038206A1 (de) * | 2006-08-16 | 2008-02-21 | Siemens Ag | Verfahren zur Entfernung von in gelöster Form vorliegenden Fremdstoffen aus Abwasser |
| FR2940647B1 (fr) | 2008-12-26 | 2011-10-07 | Otv Sa | Procede et installation de traitement d'une phase aqueuse contenant un materiau adsorbant usite |
| WO2015044445A1 (en) | 2013-09-30 | 2015-04-02 | Mærsk Olie Og Gas A/S | Method and system for the enhanced recovery of oil, using water that has been depleted in ions using magnetic particles |
| CN105764858A (zh) | 2013-09-30 | 2016-07-13 | 马士基橄榄和气体公司 | 适用于产油井的水处理 |
| US9969943B2 (en) | 2013-09-30 | 2018-05-15 | Maersk Olie Og Gas A/S | Use of magnetic nanoparticles for depletion of aromatic compounds in oil |
| US10150908B2 (en) | 2013-09-30 | 2018-12-11 | Total E&P Danmark A/S | Method and system for the recovery of oil, using water that has been treated using magnetic particles |
| JP7264473B2 (ja) * | 2019-09-09 | 2023-04-25 | 国立大学法人 宮崎大学 | 木材乾燥廃液の無色化方法 |
| CN114014418B (zh) * | 2021-11-28 | 2023-07-07 | 贵州省分析测试研究院 | 一种磁性絮凝剂的制备方法及其在去除铜绿微囊藻中的应用 |
| CN115318243A (zh) * | 2022-08-23 | 2022-11-11 | 江西省水利科学院 | 一种磁性除磷颗粒吸附材料及其制备方法和应用 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE286428C (enrdf_load_stackoverflow) * | ||||
| US2036258A (en) * | 1932-10-05 | 1936-04-07 | Johns Manville | Electropositive composition and method of making the same |
| GB410800A (en) * | 1932-10-13 | 1934-05-14 | Howard Ferguson | Adsorptive agent for use in the treatment of water and process of preparing the same |
| US3233741A (en) * | 1961-06-20 | 1966-02-08 | Johns Manville | Filter aid and method of purifying liquids using the same |
| GB1214532A (en) * | 1967-02-16 | 1970-12-02 | Simonacco Ltd | Improvements in or relating to the treatment of aqueous materials |
| US3499837A (en) * | 1967-11-20 | 1970-03-10 | Johns Manville | Waste water treatment phosphate removal by iron oxide |
| US3876451A (en) * | 1971-08-24 | 1975-04-08 | David M Zall | Activated carbon and the method of making it |
| JPS5011975A (enrdf_load_stackoverflow) * | 1972-11-06 | 1975-02-06 |
-
1977
- 1977-05-02 DE DE19772719529 patent/DE2719529A1/de active Granted
- 1977-05-02 CA CA277,389A patent/CA1097605A/en not_active Expired
- 1977-05-03 NL NL7704854A patent/NL190840C/xx not_active IP Right Cessation
- 1977-05-03 GB GB18565/77A patent/GB1583881A/en not_active Expired
- 1977-05-03 FR FR7713408A patent/FR2350303A1/fr active Granted
- 1977-05-04 JP JP5167277A patent/JPS52135553A/ja active Granted
-
1982
- 1982-12-30 MY MY238/82A patent/MY8200238A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2350303A1 (fr) | 1977-12-02 |
| DE2719529A1 (de) | 1977-11-24 |
| DE2719529C2 (enrdf_load_stackoverflow) | 1990-11-15 |
| NL190840C (nl) | 1994-09-16 |
| NL190840B (nl) | 1994-04-18 |
| NL7704854A (nl) | 1977-11-07 |
| JPS52135553A (en) | 1977-11-12 |
| MY8200238A (en) | 1982-12-31 |
| GB1583881A (en) | 1981-02-04 |
| FR2350303B1 (enrdf_load_stackoverflow) | 1982-10-29 |
| JPS622843B2 (enrdf_load_stackoverflow) | 1987-01-22 |
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