JP6742454B2 - リンならびに鉄およびアルミニウムの少なくとも1つを含む材料からのリン酸化合物の生成 - Google Patents
リンならびに鉄およびアルミニウムの少なくとも1つを含む材料からのリン酸化合物の生成 Download PDFInfo
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- JP6742454B2 JP6742454B2 JP2019002465A JP2019002465A JP6742454B2 JP 6742454 B2 JP6742454 B2 JP 6742454B2 JP 2019002465 A JP2019002465 A JP 2019002465A JP 2019002465 A JP2019002465 A JP 2019002465A JP 6742454 B2 JP6742454 B2 JP 6742454B2
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- Prior art keywords
- solution
- iron
- phosphate
- phosphorus
- aluminum
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims description 345
- 229910052698 phosphorus Inorganic materials 0.000 title claims description 271
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims description 268
- 239000011574 phosphorus Substances 0.000 title claims description 265
- 229910052742 iron Inorganic materials 0.000 title claims description 169
- 229910052782 aluminium Inorganic materials 0.000 title claims description 120
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims description 109
- 238000004519 manufacturing process Methods 0.000 title claims description 25
- 239000000463 material Substances 0.000 title description 21
- 125000002467 phosphate group Chemical class [H]OP(=O)(O[H])O[*] 0.000 title 1
- 239000000243 solution Substances 0.000 claims description 333
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 154
- 238000000034 method Methods 0.000 claims description 140
- 238000001556 precipitation Methods 0.000 claims description 130
- 229910019142 PO4 Inorganic materials 0.000 claims description 124
- 235000021317 phosphate Nutrition 0.000 claims description 124
- 239000010452 phosphate Substances 0.000 claims description 122
- -1 phosphate compound Chemical class 0.000 claims description 93
- 238000004090 dissolution Methods 0.000 claims description 92
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 89
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 89
- 239000004571 lime Substances 0.000 claims description 89
- 230000008569 process Effects 0.000 claims description 82
- 239000010802 sludge Substances 0.000 claims description 78
- 239000002253 acid Substances 0.000 claims description 74
- 238000002386 leaching Methods 0.000 claims description 74
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical class [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 claims description 62
- 239000002585 base Substances 0.000 claims description 59
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 claims description 59
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 55
- 239000001506 calcium phosphate Substances 0.000 claims description 52
- 238000007792 addition Methods 0.000 claims description 51
- 239000007788 liquid Substances 0.000 claims description 50
- 235000014413 iron hydroxide Nutrition 0.000 claims description 49
- 235000011010 calcium phosphates Nutrition 0.000 claims description 47
- 229910000389 calcium phosphate Inorganic materials 0.000 claims description 44
- 239000000203 mixture Substances 0.000 claims description 43
- 239000007787 solid Substances 0.000 claims description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims description 31
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 30
- 238000002156 mixing Methods 0.000 claims description 30
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 26
- 238000000926 separation method Methods 0.000 claims description 25
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 24
- 239000003513 alkali Substances 0.000 claims description 20
- 239000012670 alkaline solution Substances 0.000 claims description 19
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 19
- 239000011707 mineral Substances 0.000 claims description 19
- 238000004064 recycling Methods 0.000 claims description 17
- 239000002994 raw material Substances 0.000 claims description 16
- 238000001914 filtration Methods 0.000 claims description 13
- 239000001569 carbon dioxide Substances 0.000 claims description 12
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 12
- 229940088417 precipitated calcium carbonate Drugs 0.000 claims description 8
- 150000003839 salts Chemical class 0.000 claims description 7
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims 1
- 239000002956 ash Substances 0.000 description 192
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 111
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 108
- 239000002244 precipitate Substances 0.000 description 95
- 229910001385 heavy metal Inorganic materials 0.000 description 87
- 239000012527 feed solution Substances 0.000 description 86
- 238000011084 recovery Methods 0.000 description 67
- 239000011575 calcium Substances 0.000 description 58
- 235000011007 phosphoric acid Nutrition 0.000 description 54
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 53
- 229910052791 calcium Inorganic materials 0.000 description 51
- 238000000605 extraction Methods 0.000 description 49
- 239000002904 solvent Substances 0.000 description 49
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 48
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 44
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 38
- 239000010440 gypsum Substances 0.000 description 38
- 229910052602 gypsum Inorganic materials 0.000 description 38
- 239000003960 organic solvent Substances 0.000 description 37
- 239000000047 product Substances 0.000 description 37
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 36
- 239000000499 gel Substances 0.000 description 34
- 238000012545 processing Methods 0.000 description 34
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 description 34
- 239000000126 substance Substances 0.000 description 33
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 description 32
- 229910000398 iron phosphate Inorganic materials 0.000 description 30
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 29
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 27
- 230000015572 biosynthetic process Effects 0.000 description 26
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 24
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 23
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 22
- 150000002500 ions Chemical class 0.000 description 20
- 239000010801 sewage sludge Substances 0.000 description 20
- 238000010586 diagram Methods 0.000 description 18
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 18
- 239000003337 fertilizer Substances 0.000 description 18
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 17
- 235000010755 mineral Nutrition 0.000 description 17
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 15
- 239000001110 calcium chloride Substances 0.000 description 14
- 229910001628 calcium chloride Inorganic materials 0.000 description 14
- 235000011148 calcium chloride Nutrition 0.000 description 14
- 238000000975 co-precipitation Methods 0.000 description 14
- 239000003085 diluting agent Substances 0.000 description 14
- 239000011777 magnesium Substances 0.000 description 14
- 238000004065 wastewater treatment Methods 0.000 description 14
- 238000013459 approach Methods 0.000 description 13
- 230000008901 benefit Effects 0.000 description 13
- 229910052749 magnesium Inorganic materials 0.000 description 13
- 239000003607 modifier Substances 0.000 description 13
- 229910052700 potassium Inorganic materials 0.000 description 11
- 229910052708 sodium Inorganic materials 0.000 description 11
- 239000011734 sodium Substances 0.000 description 11
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 10
- 229940116007 ferrous phosphate Drugs 0.000 description 10
- 239000002198 insoluble material Substances 0.000 description 10
- 229910000155 iron(II) phosphate Inorganic materials 0.000 description 10
- SDEKDNPYZOERBP-UHFFFAOYSA-H iron(ii) phosphate Chemical compound [Fe+2].[Fe+2].[Fe+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O SDEKDNPYZOERBP-UHFFFAOYSA-H 0.000 description 10
- 239000003350 kerosene Substances 0.000 description 10
- 238000000638 solvent extraction Methods 0.000 description 10
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 9
- 229910021506 iron(II) hydroxide Inorganic materials 0.000 description 9
- 238000000622 liquid--liquid extraction Methods 0.000 description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 8
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 8
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 8
- 230000001590 oxidative effect Effects 0.000 description 8
- 150000004763 sulfides Chemical class 0.000 description 8
- 239000007864 aqueous solution Substances 0.000 description 7
- 229940125773 compound 10 Drugs 0.000 description 7
- ZLVXBBHTMQJRSX-VMGNSXQWSA-N jdtic Chemical compound C1([C@]2(C)CCN(C[C@@H]2C)C[C@H](C(C)C)NC(=O)[C@@H]2NCC3=CC(O)=CC=C3C2)=CC=CC(O)=C1 ZLVXBBHTMQJRSX-VMGNSXQWSA-N 0.000 description 7
- 239000007800 oxidant agent Substances 0.000 description 7
- 239000012071 phase Substances 0.000 description 7
- 230000001376 precipitating effect Effects 0.000 description 7
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 6
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 6
- 150000001768 cations Chemical class 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 6
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 6
- 239000011593 sulfur Substances 0.000 description 6
- 229910052717 sulfur Inorganic materials 0.000 description 6
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 5
- 150000001450 anions Chemical class 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 5
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 5
- 239000000920 calcium hydroxide Substances 0.000 description 5
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 5
- 239000000701 coagulant Substances 0.000 description 5
- 229960004887 ferric hydroxide Drugs 0.000 description 5
- IEECXTSVVFWGSE-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Fe+3] IEECXTSVVFWGSE-UHFFFAOYSA-M 0.000 description 5
- 239000011572 manganese Substances 0.000 description 5
- 229910052979 sodium sulfide Inorganic materials 0.000 description 5
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 5
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 4
- 125000001931 aliphatic group Chemical group 0.000 description 4
- 150000001412 amines Chemical class 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 4
- 150000001805 chlorine compounds Chemical class 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 238000011109 contamination Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 229940032958 ferric phosphate Drugs 0.000 description 4
- 239000011737 fluorine Substances 0.000 description 4
- 229910052731 fluorine Inorganic materials 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 229910052748 manganese Inorganic materials 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000008929 regeneration Effects 0.000 description 4
- 238000011069 regeneration method Methods 0.000 description 4
- 238000005201 scrubbing Methods 0.000 description 4
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 3
- 239000004254 Ammonium phosphate Substances 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 3
- 235000019739 Dicalciumphosphate Nutrition 0.000 description 3
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 235000019270 ammonium chloride Nutrition 0.000 description 3
- 229910000148 ammonium phosphate Inorganic materials 0.000 description 3
- 235000019289 ammonium phosphates Nutrition 0.000 description 3
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 3
- 238000009388 chemical precipitation Methods 0.000 description 3
- 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 3
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 3
- NEFBYIFKOOEVPA-UHFFFAOYSA-K dicalcium phosphate Chemical compound [Ca+2].[Ca+2].[O-]P([O-])([O-])=O NEFBYIFKOOEVPA-UHFFFAOYSA-K 0.000 description 3
- 229910000390 dicalcium phosphate Inorganic materials 0.000 description 3
- 229940038472 dicalcium phosphate Drugs 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 230000004720 fertilization Effects 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229910052588 hydroxylapatite Inorganic materials 0.000 description 3
- 239000010842 industrial wastewater Substances 0.000 description 3
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 description 3
- 230000001172 regenerating effect Effects 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical class OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 2
- 239000005955 Ferric phosphate Substances 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 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 2
- 229910052586 apatite Inorganic materials 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- 238000003491 array Methods 0.000 description 2
- YYRMJZQKEFZXMX-UHFFFAOYSA-L calcium bis(dihydrogenphosphate) Chemical compound [Ca+2].OP(O)([O-])=O.OP(O)([O-])=O YYRMJZQKEFZXMX-UHFFFAOYSA-L 0.000 description 2
- 229940043430 calcium compound Drugs 0.000 description 2
- 150000001674 calcium compounds Chemical class 0.000 description 2
- 238000000658 coextraction Methods 0.000 description 2
- 229940125758 compound 15 Drugs 0.000 description 2
- 230000009089 cytolysis Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000006052 feed supplement Substances 0.000 description 2
- 239000011790 ferrous sulphate Substances 0.000 description 2
- 235000003891 ferrous sulphate Nutrition 0.000 description 2
- 239000013067 intermediate product Substances 0.000 description 2
- 150000002506 iron compounds Chemical class 0.000 description 2
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 2
- 229910000358 iron sulfate Inorganic materials 0.000 description 2
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 2
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 2
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 2
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 2
- 239000000347 magnesium hydroxide Substances 0.000 description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 2
- IPJKJLXEVHOKSE-UHFFFAOYSA-L manganese dihydroxide Chemical compound [OH-].[OH-].[Mn+2] IPJKJLXEVHOKSE-UHFFFAOYSA-L 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000150 monocalcium phosphate Inorganic materials 0.000 description 2
- 235000019691 monocalcium phosphate Nutrition 0.000 description 2
- XTAZYLNFDRKIHJ-UHFFFAOYSA-N n,n-dioctyloctan-1-amine Chemical compound CCCCCCCCN(CCCCCCCC)CCCCCCCC XTAZYLNFDRKIHJ-UHFFFAOYSA-N 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000012074 organic phase Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 244000052769 pathogen Species 0.000 description 2
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 150000003016 phosphoric acids Chemical class 0.000 description 2
- 150000003018 phosphorus compounds Chemical class 0.000 description 2
- 238000005185 salting out Methods 0.000 description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000009284 supercritical water oxidation Methods 0.000 description 2
- 239000002352 surface water Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 229910017119 AlPO Inorganic materials 0.000 description 1
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- 229910002553 FeIII Inorganic materials 0.000 description 1
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 1
- 239000005569 Iron sulphate Substances 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 229940009859 aluminum phosphate Drugs 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
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 229960001714 calcium phosphate Drugs 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 150000004683 dihydrates Chemical class 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 239000010840 domestic wastewater Substances 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 229910001447 ferric ion Inorganic materials 0.000 description 1
- 229960002089 ferrous chloride Drugs 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- DKAGJZJALZXOOV-UHFFFAOYSA-N hydrate;hydrochloride Chemical compound O.Cl DKAGJZJALZXOOV-UHFFFAOYSA-N 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000003834 intracellular effect Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 235000013980 iron oxide Nutrition 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910001510 metal chloride Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 239000002367 phosphate rock Substances 0.000 description 1
- 150000003017 phosphorus Chemical class 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000247 postprecipitation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 229910001388 sodium aluminate Inorganic materials 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000012607 strong cation exchange resin Substances 0.000 description 1
- 239000011885 synergistic combination Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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Description
溶媒−水溶液から抽出可能な溶質種を優先的に溶解する、典型的に有機である、液相。
抽出剤−抽出を可能にする溶媒の典型的に有機の活性成分。
液液抽出−少なくとも1つの相が典型的には有機液体である非混和性相間の物質移動による、混合物からの1つ以上の溶質の分離。
希釈剤−抽出剤および改良剤が溶解され、溶媒が形成される、典型的に有機である液体。
改良剤−抽出剤、抽出剤の塩、または抽出またはストリッピングに由来するイオン種の溶解度を増加させるために溶媒に添加される物質。エマルジョン形成を抑制するためにも添加される。
ストリッピング−ロードされた溶媒からの溶出。
スクラビング−ストリッピング前のロードされた溶媒からの不純物の選択的除去。
ラフィネート−溶質が抽出により除去された水相。
1)鉄(III)に基づく沈殿化学薬品、例えば塩化鉄(FeCl3)または硫酸鉄(Fe2(SO4)3)、
2)鉄(II)に基づく沈殿化学薬品、例えば硫酸鉄(FeSO4)または塩化鉄(FeCl2)、および
3)アルミニウムに基づく沈殿化学薬品、例えば塩化アルミニウム(AlCl3)または硫酸アルミニウム(Al2(SO4)3)。
2Fe2++H2O2+2H+→2Fe3++2H2O
Claims (8)
- リン酸化合物の生成のための方法であって、
リン、アルミニウムおよび鉄を含むスラッジ灰を含む原料を少なくとも塩酸を含む液体に溶解する(405)工程と、
溶解工程からの不溶性残留物を分離し(410)、第一次浸出溶液を形成させる工程と、
前記不溶性残留物を分離する(410)工程後に、水酸化鉄を含む塩基を前記第一次浸出溶液に添加し(420)、前記一次浸出溶液から鉄およびアルミニウムを含むリン酸化合物の沈殿を引き起こす工程と、
前記沈殿したリン酸化合物を前記第一次浸出溶液から除去する(425)工程と、
前記リン酸化合物をアルカリ溶液により第2の浸出溶液中に溶解する工程と、
第2の浸出溶液から水酸化鉄を濾過する(304)工程と、
前記水酸化鉄を濾過する工程後に、石灰を前記第2の浸出溶液中に添加し(306)、リン酸カルシウムの沈殿を引き起こす工程と、
沈殿したリン酸カルシウムを前記第2の浸出溶液から分離する(308)工程と、
前記沈殿したリン酸カルシウムを分離する工程後に前記浸出溶液をリサイクルし(310)、アルカリ溶液によりリン酸化合物を溶解する工程において使用させる工程と
を含む、リン酸化合物の生成のための方法。 - 塩基を添加する前記工程(420)において使用される前記水酸化鉄の少なくとも一部が、前記第2の浸出溶液から水酸化鉄を濾過する前記工程(304)により得られた濾過された前記水酸化鉄の少なくとも一部を含むことを特徴とする、請求項1に記載の方法。
- 前記沈殿したリン酸カルシウムを分離する工程後に、前記第2の浸出溶液の少なくとも外れた部分に酸を添加し(312)、水酸化アルミニウムの沈殿を引き起こす工程と、
前記第2の浸出溶液の前記外れた部分から、前記沈殿した水酸化アルミニウムを分離する(314)工程と、
をさらに含むことを特徴とする、請求項1または2に記載の方法。 - 前記第2の浸出溶液の前記外れた部分に酸を添加する工程において使用される前記酸は、炭酸またはガス状二酸化炭素を含み、
前記沈殿した水酸化アルミニウムを分離する工程後に、前記浸出溶液の前記外れた部分に石灰を添加し(316)、炭酸カルシウムの沈殿を引き起こす工程と、
前記浸出溶液の前記外れた部分から前記沈殿した炭酸カルシウムを分離する(318)工程と、
前記沈殿した炭酸カルシウムの前記分離(318)後に前記第2の浸出溶液の前記外れた部分をリサイクルし(320)、リン酸化合物をアルカリ溶液により溶解する(302)工程において使用させる工程と、
をさらに含むことを特徴とする、請求項3に記載の方法。 - リン酸化合物の生成のためのシステムであって、
リン、鉄およびアルミニウム含むスラッジ灰(29)を含む原料(4)を受理するための入口(21)と、鉱酸(523)を含む酸を溶解するための入口(20)と、を備える
灰リーチング反応器(20)と、
前記灰リーチング反応器(20)は、前記原料(4)を前記鉱酸(523)に溶解させるために構成されており、
前記灰リーチング反応器の出口(22)に接続され、前記灰リーチング反応器から不溶性残留物(8)を分離し、第一次浸出溶液が形成されるために構成された残留物セパレータ(25)と、
前記残留物セパレータ(25)の出口後に接続され、少なくとも水酸化鉄(506)を含む塩基を入口(41)を通して前記第一次浸出溶液に添加するために構成された塩基混合配列(40)と、
前記塩基混合配列(40)の出口(42)に接続され、沈殿したリン酸化合物(181)を前記第一次浸出溶液から沈殿したリン酸化合物出口(44)を通して除去するために構成されたリン酸塩セパレータ(45)と、
前記リン酸塩セパレータ(45)は、残りの前記第一次浸出溶液(546)が出る、出口(47)を備え、
前記沈殿したリン酸化合物(181)をアルカリ溶液に溶解し第2の浸出溶液とするために構成された溶解反応器(182)と、
前記溶解反応器(182)に接続され、前記第2の浸出溶液から残留物(185)を分離するために構成された第1の固体/液体セパレータ(184)と、
前記第1の固体/液体セパレータ(184)に接続され、石灰を前記第2の浸出溶液中に添加し、リン酸カルシウムの沈殿を引き起こすために構成された混合ボリューム(187)と、
前記混合ボリューム(187)に接続され、前記混合ボリューム(187)において沈殿した前記リン酸カルシウムを前記第2の浸出溶液から分離するために構成された第2の固体/液体セパレータ(189)と、
前記混合ボリューム(187)と前記溶解反応器(182)との間に接続され、前記第2の浸出溶液の少なくとも一部を前記第2の固体/液体セパレータ(189)後にリサイクルし、前記溶解反応器(182)において前記アルカリ溶液の少なくとも一部として使用させるために構成されたリサイクリング配列と、
を含む、リン酸化合物の生成のためのシステム。 - 前記塩基混合配列(40)に添加される前記水酸化鉄の少なくとも一部は、前記第1の固体/液体セパレータ(184)で得られた前記第2の浸出溶液からの前記残留物(185)中の水酸化鉄の少なくとも一部を含む、請求項5に記載のシステム。
- 前記第2の固体/液体セパレータ(189)に接続され、前記第2の固体/液体セパレータ(189)後に前記第2の浸出溶液の少なくともブリード(193)を受理し、酸(195)を添加し、水酸化アルミニウムの沈殿を引き起こすために構成されたアルミニウム除去ボリューム(194)と、
前記沈殿した水酸化アルミニウム(197)を前記ブリード(193)から分離するために配列された第3の固体/液体セパレータ(196)と、
をさらに含むことを特徴とする、請求項5または6に記載のシステム。 - 前記アルミニウム除去ボリューム(194)において使用される前記酸(195)が、炭酸またはガス状二酸化炭素を含み、
前記第3の固体/液体セパレータ(196)に接続され、石灰(199)を中和されたブリード溶液(198)に添加するために構成された混合ボリューム(176)と、
沈殿した炭酸カルシウム(178)を分離するために構成された第4の固体/液体セパレータ(177)と、
をさらに含み、
前記第4の固体/液体セパレータ(177)及び前記溶解反応器(182)は、沈殿した炭酸カルシウム(178)の分離後の溶液(179)を、アルカリ源としてリサイクルするために構成されている、ことを特徴とする、請求項7に記載のシステム。
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