NO313004B1 - Fremgangsmåte ved behandling av avfallsvannslam inneholdende minst et metall - Google Patents
Fremgangsmåte ved behandling av avfallsvannslam inneholdende minst et metall Download PDFInfo
- Publication number
- NO313004B1 NO313004B1 NO19960733A NO960733A NO313004B1 NO 313004 B1 NO313004 B1 NO 313004B1 NO 19960733 A NO19960733 A NO 19960733A NO 960733 A NO960733 A NO 960733A NO 313004 B1 NO313004 B1 NO 313004B1
- Authority
- NO
- Norway
- Prior art keywords
- precipitate
- sludge
- solution
- phosphate
- heavy metals
- Prior art date
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 102
- 238000000034 method Methods 0.000 title claims abstract description 75
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 57
- 239000002184 metal Substances 0.000 title claims abstract description 57
- 239000002351 wastewater Substances 0.000 title claims description 30
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 115
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 81
- 239000002244 precipitate Substances 0.000 claims abstract description 70
- 229910052742 iron Inorganic materials 0.000 claims abstract description 63
- 238000001556 precipitation Methods 0.000 claims abstract description 58
- 150000002739 metals Chemical class 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000000638 solvent extraction Methods 0.000 claims abstract description 13
- 238000004065 wastewater treatment Methods 0.000 claims abstract description 12
- 239000008346 aqueous phase Substances 0.000 claims abstract description 11
- 239000000701 coagulant Substances 0.000 claims abstract description 10
- 238000000622 liquid--liquid extraction Methods 0.000 claims abstract description 10
- 239000000243 solution Substances 0.000 claims description 95
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 84
- 229910052782 aluminium Inorganic materials 0.000 claims description 75
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 59
- 229910052698 phosphorus Inorganic materials 0.000 claims description 57
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 50
- 239000011574 phosphorus Substances 0.000 claims description 50
- 238000000605 extraction Methods 0.000 claims description 45
- 229910019142 PO4 Inorganic materials 0.000 claims description 42
- 235000021317 phosphate Nutrition 0.000 claims description 39
- 239000000706 filtrate Substances 0.000 claims description 29
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 26
- 239000010452 phosphate Substances 0.000 claims description 25
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 24
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 20
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 16
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 16
- 239000012074 organic phase Substances 0.000 claims description 15
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims description 15
- -1 . a raffinate Substances 0.000 claims description 13
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 12
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 claims description 12
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 11
- 239000004411 aluminium Substances 0.000 claims description 11
- 229910021529 ammonia Inorganic materials 0.000 claims description 11
- 239000007864 aqueous solution Substances 0.000 claims description 11
- 239000001110 calcium chloride Substances 0.000 claims description 11
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 11
- 239000001506 calcium phosphate Substances 0.000 claims description 11
- 229910000389 calcium phosphate Inorganic materials 0.000 claims description 11
- 235000011010 calcium phosphates Nutrition 0.000 claims description 11
- 239000000395 magnesium oxide Substances 0.000 claims description 11
- 235000012245 magnesium oxide Nutrition 0.000 claims description 11
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 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 9
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 8
- 229910001854 alkali hydroxide Inorganic materials 0.000 claims description 8
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 8
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 8
- 239000000347 magnesium hydroxide Substances 0.000 claims description 8
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 8
- 239000003960 organic solvent Substances 0.000 claims description 8
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 7
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 7
- 230000002378 acidificating effect Effects 0.000 claims description 7
- SEGLCEQVOFDUPX-UHFFFAOYSA-N di-(2-ethylhexyl)phosphoric acid Chemical compound CCCCC(CC)COP(O)(=O)OCC(CC)CCCC SEGLCEQVOFDUPX-UHFFFAOYSA-N 0.000 claims description 7
- 239000007800 oxidant agent Substances 0.000 claims description 7
- 230000020477 pH reduction Effects 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 6
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 6
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 6
- SJWFXCIHNDVPSH-UHFFFAOYSA-N octan-2-ol Chemical compound CCCCCCC(C)O SJWFXCIHNDVPSH-UHFFFAOYSA-N 0.000 claims description 6
- 229910052979 sodium sulfide Inorganic materials 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- 239000011575 calcium Substances 0.000 claims description 5
- 239000000920 calcium hydroxide Substances 0.000 claims description 5
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 5
- 239000011368 organic material Substances 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000002585 base Substances 0.000 claims description 4
- 239000000292 calcium oxide Substances 0.000 claims description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- GVALZJMUIHGIMD-UHFFFAOYSA-H magnesium phosphate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O GVALZJMUIHGIMD-UHFFFAOYSA-H 0.000 claims description 4
- 239000004137 magnesium phosphate Substances 0.000 claims description 4
- 229910000157 magnesium phosphate Inorganic materials 0.000 claims description 4
- 229960002261 magnesium phosphate Drugs 0.000 claims description 4
- 235000010994 magnesium phosphates Nutrition 0.000 claims description 4
- 239000012188 paraffin wax Substances 0.000 claims description 4
- HYHCSLBZRBJJCH-UHFFFAOYSA-M sodium hydrosulfide Chemical compound [Na+].[SH-] HYHCSLBZRBJJCH-UHFFFAOYSA-M 0.000 claims description 4
- 239000004215 Carbon black (E152) Substances 0.000 claims description 3
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 claims description 3
- 238000001354 calcination Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 229930195733 hydrocarbon Natural products 0.000 claims description 3
- 150000002430 hydrocarbons Chemical class 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 claims description 3
- 150000007513 acids Chemical class 0.000 claims description 2
- 239000003513 alkali Substances 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 150000002681 magnesium compounds Chemical class 0.000 claims description 2
- 229910021645 metal ion Inorganic materials 0.000 claims description 2
- 231100000989 no adverse effect Toxicity 0.000 claims description 2
- 230000001376 precipitating effect Effects 0.000 claims description 2
- UNHKSXOTUHOTAB-UHFFFAOYSA-N sodium;sulfane Chemical compound [Na].S UNHKSXOTUHOTAB-UHFFFAOYSA-N 0.000 claims description 2
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 claims description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims 2
- LJKDOMVGKKPJBH-UHFFFAOYSA-N 2-ethylhexyl dihydrogen phosphate Chemical compound CCCCC(CC)COP(O)(O)=O LJKDOMVGKKPJBH-UHFFFAOYSA-N 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 claims 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims 1
- 229910001948 sodium oxide Inorganic materials 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 5
- 230000003247 decreasing effect Effects 0.000 abstract description 3
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 abstract 5
- 238000007599 discharging Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 description 12
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 9
- 239000011777 magnesium Substances 0.000 description 9
- 239000003929 acidic solution Substances 0.000 description 7
- 235000012970 cakes Nutrition 0.000 description 7
- 239000011651 chromium Substances 0.000 description 6
- 238000010979 pH adjustment Methods 0.000 description 6
- 150000004763 sulfides Chemical class 0.000 description 6
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 5
- 235000011114 ammonium hydroxide Nutrition 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- MSNWSDPPULHLDL-UHFFFAOYSA-K ferric hydroxide Chemical compound [OH-].[OH-].[OH-].[Fe+3] MSNWSDPPULHLDL-UHFFFAOYSA-K 0.000 description 5
- 230000007062 hydrolysis Effects 0.000 description 5
- 238000006460 hydrolysis reaction Methods 0.000 description 5
- 150000004679 hydroxides Chemical class 0.000 description 5
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 5
- 238000002386 leaching Methods 0.000 description 5
- 239000012071 phase Substances 0.000 description 5
- 238000005191 phase separation Methods 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 238000004064 recycling Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 229910052567 struvite Inorganic materials 0.000 description 5
- 235000011148 calcium chloride Nutrition 0.000 description 4
- 229910052804 chromium Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 235000012254 magnesium hydroxide Nutrition 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- CKMXBZGNNVIXHC-UHFFFAOYSA-L ammonium magnesium phosphate hexahydrate Chemical compound [NH4+].O.O.O.O.O.O.[Mg+2].[O-]P([O-])([O-])=O CKMXBZGNNVIXHC-UHFFFAOYSA-L 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 235000011147 magnesium chloride Nutrition 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 150000002894 organic compounds Chemical class 0.000 description 3
- 239000001488 sodium phosphate Substances 0.000 description 3
- 229910000162 sodium phosphate Inorganic materials 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 229910017958 MgNH Inorganic materials 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- MXZRMHIULZDAKC-UHFFFAOYSA-L ammonium magnesium phosphate Chemical compound [NH4+].[Mg+2].[O-]P([O-])([O-])=O MXZRMHIULZDAKC-UHFFFAOYSA-L 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- FLTRNWIFKITPIO-UHFFFAOYSA-N iron;trihydrate Chemical compound O.O.O.[Fe] FLTRNWIFKITPIO-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003472 neutralizing effect Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 239000010801 sewage sludge Substances 0.000 description 2
- 235000011149 sulphuric acid Nutrition 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- DBGSRZSKGVSXRK-UHFFFAOYSA-N 1-[2-[5-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-1,3,4-oxadiazol-2-yl]acetyl]-3,6-dihydro-2H-pyridine-4-carboxylic acid Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1=NN=C(O1)CC(=O)N1CCC(=CC1)C(=O)O DBGSRZSKGVSXRK-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000004155 Chlorine dioxide Substances 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 239000012028 Fenton's reagent Substances 0.000 description 1
- 229910019440 Mg(OH) Inorganic materials 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 101150107341 RERE gene Proteins 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000005903 acid hydrolysis reaction Methods 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 235000019398 chlorine dioxide Nutrition 0.000 description 1
- 229910001902 chlorine oxide Inorganic materials 0.000 description 1
- 229910000151 chromium(III) phosphate Inorganic materials 0.000 description 1
- IKZBVTPSNGOVRJ-UHFFFAOYSA-K chromium(iii) phosphate Chemical compound [Cr+3].[O-]P([O-])([O-])=O IKZBVTPSNGOVRJ-UHFFFAOYSA-K 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 235000021463 dry cake Nutrition 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 229960005191 ferric oxide Drugs 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000004021 humic acid Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 235000014413 iron hydroxide Nutrition 0.000 description 1
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003097 mucus Anatomy 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- YJBMMHPCGWCCOH-UHFFFAOYSA-N octan-3-yl dihydrogen phosphate Chemical compound CCCCCC(CC)OP(O)(O)=O YJBMMHPCGWCCOH-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000000247 postprecipitation Methods 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229910052604 silicate mineral Inorganic materials 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910001388 sodium aluminate Inorganic materials 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/26—Treatment of water, waste water, or sewage by extraction
-
- 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
- C02F11/004—Sludge detoxification
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/902—Materials removed
- Y10S210/911—Cumulative poison
- Y10S210/912—Heavy metal
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
- Treatment Of Sludge (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI933750A FI97288C (fi) | 1993-08-26 | 1993-08-26 | Jätevesilietteen käsittelymenetelmä |
PCT/FI1994/000376 WO1995006004A1 (en) | 1993-08-26 | 1994-08-26 | Treatment method for waste water sludge comprising at least one metal |
Publications (3)
Publication Number | Publication Date |
---|---|
NO960733D0 NO960733D0 (no) | 1996-02-23 |
NO960733L NO960733L (no) | 1996-04-24 |
NO313004B1 true NO313004B1 (no) | 2002-07-29 |
Family
ID=8538484
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO19960733A NO313004B1 (no) | 1993-08-26 | 1996-02-23 | Fremgangsmåte ved behandling av avfallsvannslam inneholdende minst et metall |
Country Status (14)
Country | Link |
---|---|
US (1) | US5720882A (de) |
EP (1) | EP0715603B1 (de) |
KR (1) | KR100341612B1 (de) |
AT (1) | ATE173235T1 (de) |
AU (1) | AU7501294A (de) |
CA (1) | CA2170240C (de) |
CZ (1) | CZ291247B6 (de) |
DE (1) | DE69414580T2 (de) |
DK (1) | DK0715603T3 (de) |
ES (1) | ES2126139T3 (de) |
FI (1) | FI97288C (de) |
NO (1) | NO313004B1 (de) |
PL (1) | PL177487B1 (de) |
WO (1) | WO1995006004A1 (de) |
Families Citing this family (53)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI97289C (fi) * | 1993-08-26 | 1996-11-25 | Kemira Oy | Menetelmä ainakin yhden metallin talteenottamiseksi hapolla käsitellystä jätevesilietteestä |
FI97290C (fi) * | 1994-12-30 | 1996-11-25 | Kemira Chemicals Oy | Menetelmä jätevesilietteen käsittelemiseksi |
SE511166C2 (sv) * | 1997-03-14 | 1999-08-16 | Kemira Kemi Ab | Förfarande för behandling av slam från avloppsvattenrening |
US5948263A (en) * | 1997-06-11 | 1999-09-07 | The United States Of America As Represented By The United States Department Of Energy | Method for separating water soluble organics from a process stream by aqueous biphasic extraction |
EP1175374A1 (de) * | 1999-02-23 | 2002-01-30 | PM Energi A/S | Behandlung von aus der abfallverbrennung stammenden lösungen mit metallen, phospohor und schwermetallenzur wiedergewinnung von metallen und phosphor |
US6464875B1 (en) * | 1999-04-23 | 2002-10-15 | Gold Kist, Inc. | Food, animal, vegetable and food preparation byproduct treatment apparatus and process |
AU2003900241A0 (en) * | 2003-01-21 | 2003-02-06 | Australian Organic Resources Pty Ltd | The extraction and treatment of heavy metals in sewage sludge |
SE525083C2 (sv) * | 2003-04-23 | 2004-11-23 | Kemira Kemi Ab | Sätt att behandla rötslam |
AU2004257891B2 (en) * | 2003-07-16 | 2010-03-04 | Magnesium Tech Pty Ltd | Waste water treatment |
AU2003903646A0 (en) * | 2003-07-16 | 2003-07-31 | Bushwater Holdings Pty Ltd | Waste water treatment |
KR101098796B1 (ko) * | 2003-08-13 | 2011-12-26 | 쇼와 덴코 가부시키가이샤 | 칩형 고체전해 캐패시터 및 이것의 제조방법 |
CN1309667C (zh) * | 2004-01-20 | 2007-04-11 | 郑恒昌 | 金属表面磷化处理制程的废污泥回收法 |
KR100715093B1 (ko) * | 2005-12-30 | 2007-05-07 | (주) 빛과환경 | 오염수의 처리와 동반하여, 응집제로서 첨가된 가수분해성금속화합물로부터 유·무기원소-도핑 금속산화물을 회수하는방법 |
US20080061008A1 (en) * | 2006-09-12 | 2008-03-13 | Kelsey Robert L | Systems and methods for treating metalworking fluids |
CA2678227A1 (en) * | 2007-02-13 | 2008-08-21 | Vrtx Technologies, Llc | Systems and methods for treatment of wastewater |
US20080257828A1 (en) * | 2007-04-18 | 2008-10-23 | Kelsey Robert L | Systems and methods for reduction of metal contaminants in fluids |
US7651621B2 (en) * | 2007-04-18 | 2010-01-26 | Vrtx Technologies, Llc | Methods for degassing one or more fluids |
US20090152212A1 (en) * | 2007-04-18 | 2009-06-18 | Kelsey Robert L | Systems and methods for treatment of groundwater |
US20080257411A1 (en) * | 2007-04-18 | 2008-10-23 | Kelsey Robert L | Systems and methods for preparation of emulsions |
AU2008253545B2 (en) * | 2007-05-21 | 2012-04-12 | Orbite Aluminae Inc. | Processes for extracting aluminum and iron from aluminous ores |
WO2008157411A1 (en) * | 2007-06-14 | 2008-12-24 | Kansas State University Research Foundation | Fluidized bed precipitator |
ATE538074T1 (de) * | 2007-07-05 | 2012-01-15 | Seaborne Epm Ag | Verfahren zur gewinnung von phosphat aus biomasse |
US8043585B2 (en) * | 2008-01-15 | 2011-10-25 | Vale Inco Limited | Liquid and solid effluent treatment process |
SE534505C2 (sv) * | 2009-08-31 | 2011-09-13 | Easymining Sweden Ab | Återvinning av aluminium från fosforinnehållande material |
US10377648B2 (en) | 2009-09-18 | 2019-08-13 | The Texas A&M University System | Selenium removal using aluminum salt at conditioning and reaction stages to activate zero-valent iron (ZVI) in pironox process |
WO2011035263A2 (en) | 2009-09-18 | 2011-03-24 | Yongheng Huang | Zero valent iron/iron oxide mineral/ferrous iron composite for treatment of a contaminated fluid |
EP2686458A4 (de) | 2011-03-18 | 2015-04-15 | Orbite Aluminae Inc | Verfahren zur wiedergewinnung von seltenerdelementen aus aluminiumhaltigen materialien |
EP2701827A1 (de) * | 2011-04-29 | 2014-03-05 | Feralco AB | Verfahren zur behandlung von schlamm aus wasser- und abwasserbehandlungsanlagen mit chemischer behandlung |
EP3141621A1 (de) | 2011-05-04 | 2017-03-15 | Orbite Aluminae Inc. | Verfahren zur wiedergewinnung von seltenerdelementen aus verschiedenen erzen |
RU2013157943A (ru) | 2011-06-03 | 2015-07-20 | Орбит Элюминэ Инк. | Способ получения гематита |
CA2848751C (en) | 2011-09-16 | 2020-04-21 | Orbite Aluminae Inc. | Processes for preparing alumina and various other products |
FR2980788B1 (fr) | 2011-09-30 | 2014-11-07 | Veolia Water Solutions & Tech | Procede de traitement d'un effluent contenant des metaux |
BR112014016732A8 (pt) | 2012-01-10 | 2017-07-04 | Orbite Aluminae Inc | processos para tratar lama vermelha |
WO2013142957A1 (en) | 2012-03-29 | 2013-10-03 | Orbite Aluminae Inc. | Processes for treating fly ashes |
AU2013264775B2 (en) | 2012-05-23 | 2017-08-10 | Wetox Limited | Sludge treatment method |
MY175471A (en) | 2012-07-12 | 2020-06-29 | Orbite Tech Inc | Processes for preparing titanium oxide and various other products |
JP2015535886A (ja) | 2012-09-26 | 2015-12-17 | オーバイト アルミナ インコーポレイテッドOrbite Aluminae Inc. | 種々の材料のHCl浸出によるアルミナおよび塩化マグネシウムを調製するためのプロセス |
CN105189357A (zh) | 2012-11-14 | 2015-12-23 | 奥佰特氧化铝有限公司 | 纯化铝离子的方法 |
SE537780C3 (de) * | 2013-05-02 | 2015-12-08 | ||
CN103613695B (zh) * | 2013-11-15 | 2015-10-21 | 天津科鉴基础工程检测有限公司 | 一种低碳可回收凝胶固结废泥浆的制备方法和应用 |
DE102014112108B3 (de) * | 2014-08-25 | 2015-06-18 | Ava-Co2 Schweiz Ag | Verfahren zur Rückgewinnung von in Abwässern gelöstem Phosphor |
WO2016100908A1 (en) | 2014-12-19 | 2016-06-23 | The Texas A&M University System | Activated hybrid zero-valent iron treatment system and methods for generation and use thereof |
CN107116088B (zh) * | 2015-04-28 | 2020-05-01 | 江苏理工学院 | 一种含锌磷化废渣的稳定固化方法 |
KR101571673B1 (ko) * | 2015-04-28 | 2015-11-25 | 명지대학교 산학협력단 | 고순도 스트루바이트의 결정화 방법 및 이를 이용한 폐수 처리 방법 |
KR101980478B1 (ko) * | 2018-01-19 | 2019-05-21 | 신태욱 | 활성백토의 산성 폐수를 이용한 무기응집제의 제조방법 |
CN108862224B (zh) * | 2018-06-27 | 2021-11-12 | 武汉工程大学 | 一种湿法磷酸氨化料浆渣制备磷酸铁的方法 |
CN111377558A (zh) * | 2020-03-17 | 2020-07-07 | 航天凯天环保科技股份有限公司 | 一种同步处理Fenton铁泥并获得FePO4的资源化利用方法 |
CN112960829B (zh) * | 2021-02-20 | 2022-08-23 | 成都明天高新产业有限责任公司 | 一种印制电路板生产含铜废水处理工艺 |
CN113060906A (zh) * | 2021-03-29 | 2021-07-02 | 关向辉 | 一种乳化液的资源化处置新方法 |
CN113072272A (zh) * | 2021-04-19 | 2021-07-06 | 北京石油化工学院 | 一种市政污泥中重金属脱除与磷回收利用方法 |
CN113683235B (zh) * | 2021-09-22 | 2023-02-28 | 浙江吉泰新材料股份有限公司 | 一种含磷硫的强酸性废水资源化利用方法 |
CN114405980A (zh) * | 2022-01-07 | 2022-04-29 | 中原环保股份有限公司 | 一种市政污泥焚烧渣全面资源化利用的方法 |
DE102022109322A1 (de) | 2022-04-14 | 2023-10-19 | Joachim Clemens | Verfahren zur Gewinnung eines phosphathaltigen Produkts |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5246303A (en) * | 1975-10-13 | 1977-04-13 | Furukawa Electric Co Ltd:The | Process for recovering cu< zn< ni, co |
SE405078B (sv) * | 1977-04-15 | 1978-11-20 | Svenska Rayon Ab | Forfarande for att eliminera ytaktiva emnens inverkan pa separationsegenskaperna i vetskeextraktionssystem |
US4284515A (en) * | 1979-12-10 | 1981-08-18 | Stauffer Chemical Company | Process for decreasing elemental phosphorus levels in an aqueous medium |
DE3005635A1 (de) * | 1980-02-15 | 1981-08-20 | Dambach-Industrieanlagen Gmbh, 7560 Gaggenau | Verfahren zum entfernen von metallen aus klaerschlamm |
US4343706A (en) * | 1980-08-04 | 1982-08-10 | Purdue Research Foundation | Method of removing heavy metals from industrial waste streams |
US4348228A (en) * | 1980-09-09 | 1982-09-07 | World Resources Company | Yield of metal values from incinerated sludges |
AT370449B (de) * | 1981-02-10 | 1983-03-25 | Ruthner Industrieanlagen Ag | Verfahren zum aufbereiten verbrauchter, eisenionen enthaltender behandlungsfluessigkeiten oder laugungsfluessigkeiten fuer metallhaeltige werkstoffe oder erze durch fluessig-fluessigextraktion |
DE3127900A1 (de) * | 1981-07-15 | 1983-02-03 | Hoechst Ag, 6000 Frankfurt | Verfahren zur extraktion von schwermetallionen aus waessrigen loesungen |
HU185194B (en) * | 1982-01-14 | 1984-12-28 | Mta Mueszaki Kemiai Kutato Int | Method for detoxication mixing tannery sewage sludges |
EP0072885B1 (de) * | 1982-01-19 | 1986-04-30 | industrie automation Sondertechnik GmbH & Co | Verfahren zur Dekontamination natürlicher und technischer Schlämme |
US4539119A (en) * | 1983-07-26 | 1985-09-03 | Cann Everett D | Process for the treatment of waste and contaminated waters with improved recovery of aluminum and iron flocculating agents |
SE452307B (sv) * | 1983-09-12 | 1987-11-23 | Boliden Ab | Forfarande for rening av fororenade vattenlosningar innehallande arsenik och/eller fosfor |
US4956154A (en) * | 1988-03-09 | 1990-09-11 | Unc Reclamation | Selective removal of chromium, nickel, cobalt, copper and lead cations from aqueous effluent solutions |
US4954168A (en) * | 1989-05-15 | 1990-09-04 | Amax Inc. | Reclaiming of aluminum-chromium waste materials from etching operations |
JP2650065B2 (ja) * | 1989-08-21 | 1997-09-03 | ペルメレック電極株式会社 | 硫酸の回収方法 |
US5102556A (en) * | 1990-03-30 | 1992-04-07 | Union Oil Company Of California | Method for rendering ferric hydroxide sludges recyclable |
DE4024769C1 (en) * | 1990-08-02 | 1992-02-06 | Noell Gmbh, 8700 Wuerzburg, De | Treatment of sludge contg. toxic heavy metals - comprises treating with excess hydrochloric acid, concentrating by thermal evapn. and distilling |
US5051191A (en) * | 1990-10-31 | 1991-09-24 | Green Environmental Systems Ltd. | Method to detoxify sewage sludge |
EP0530396A1 (de) * | 1991-09-04 | 1993-03-10 | INDUSTRIE AUTOMATION SONDERTECHNIK GmbH & CO KOMMANDITGESELLSCHAFT | Verfahren zur Phosphatfällung mit Eisenhydroxid |
-
1993
- 1993-08-26 FI FI933750A patent/FI97288C/fi active
-
1994
- 1994-08-26 CA CA 2170240 patent/CA2170240C/en not_active Expired - Fee Related
- 1994-08-26 DE DE69414580T patent/DE69414580T2/de not_active Expired - Lifetime
- 1994-08-26 EP EP94924899A patent/EP0715603B1/de not_active Expired - Lifetime
- 1994-08-26 KR KR1019960700952A patent/KR100341612B1/ko not_active IP Right Cessation
- 1994-08-26 AT AT94924899T patent/ATE173235T1/de not_active IP Right Cessation
- 1994-08-26 CZ CZ1996550A patent/CZ291247B6/cs not_active IP Right Cessation
- 1994-08-26 AU AU75012/94A patent/AU7501294A/en not_active Abandoned
- 1994-08-26 DK DK94924899T patent/DK0715603T3/da active
- 1994-08-26 ES ES94924899T patent/ES2126139T3/es not_active Expired - Lifetime
- 1994-08-26 US US08/601,054 patent/US5720882A/en not_active Expired - Lifetime
- 1994-08-26 WO PCT/FI1994/000376 patent/WO1995006004A1/en active IP Right Grant
- 1994-08-26 PL PL94313139A patent/PL177487B1/pl not_active IP Right Cessation
-
1996
- 1996-02-23 NO NO19960733A patent/NO313004B1/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ATE173235T1 (de) | 1998-11-15 |
DE69414580T2 (de) | 1999-04-08 |
ES2126139T3 (es) | 1999-03-16 |
KR960703807A (ko) | 1996-08-31 |
WO1995006004A1 (en) | 1995-03-02 |
PL313139A1 (en) | 1996-06-10 |
CA2170240A1 (en) | 1996-03-02 |
PL177487B1 (pl) | 1999-11-30 |
FI933750A (fi) | 1995-02-27 |
CZ55096A3 (en) | 1996-07-17 |
US5720882A (en) | 1998-02-24 |
KR100341612B1 (ko) | 2002-11-29 |
DK0715603T3 (da) | 1999-07-26 |
EP0715603A1 (de) | 1996-06-12 |
NO960733D0 (no) | 1996-02-23 |
DE69414580D1 (de) | 1998-12-17 |
FI933750A0 (fi) | 1993-08-26 |
FI97288C (fi) | 1996-11-25 |
FI97288B (fi) | 1996-08-15 |
CA2170240C (en) | 2002-05-28 |
AU7501294A (en) | 1995-03-21 |
CZ291247B6 (cs) | 2003-01-15 |
EP0715603B1 (de) | 1998-11-11 |
NO960733L (no) | 1996-04-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NO313004B1 (no) | Fremgangsmåte ved behandling av avfallsvannslam inneholdende minst et metall | |
AU2014282527B2 (en) | Hematite manufacturing method and hematite manufactured by same | |
JP3284275B2 (ja) | 廃水スラッジの処理方法 | |
TWI746818B (zh) | 回收鋰之程序 | |
WO2014199771A1 (ja) | 排水処理方法 | |
CA2934215C (en) | Method for recovering ash from waste incineration | |
CN1155519A (zh) | 处理含砷废水的方法 | |
JP6288217B1 (ja) | 硫酸、フッ素及び重金属イオン含有廃水の処理方法および処理装置 | |
CN116745240A (zh) | 从磷灰石矿物回收商业物质 | |
US6010630A (en) | Method for recovering at least one metal from an acidified waste water sludge | |
CN112279538B (zh) | 一种焙烧-酸浸联用提取石膏渣中污染物的方法 | |
WO2014061037A1 (en) | Treatment of hazardous solid waste generated in copper manufacturing process | |
CN116848063A (zh) | 污水污泥灰的化学处理 | |
JP7351199B2 (ja) | ヒ素含有廃水の処理方法 | |
WO2003046232A1 (en) | Integration processes of the treatments of zinc silicate concentrates or zinc silicate ore and roasted concentrates of zinc sulphides | |
JP3780358B2 (ja) | 石油系燃焼灰の処理方法 | |
Nyombolo, BM, Neale, JW & Van Staden | Neutralization of bioleach liquors | |
JP2000334472A (ja) | 排水の処理方法 | |
CN116813145A (zh) | 一种矿用废水的回收利用方法 | |
JPH0244772B2 (de) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM1K | Lapsed by not paying the annual fees |