CN101939450A - 一种金属离子的沉淀方法 - Google Patents
一种金属离子的沉淀方法 Download PDFInfo
- Publication number
- CN101939450A CN101939450A CN2010800006012A CN201080000601A CN101939450A CN 101939450 A CN101939450 A CN 101939450A CN 2010800006012 A CN2010800006012 A CN 2010800006012A CN 201080000601 A CN201080000601 A CN 201080000601A CN 101939450 A CN101939450 A CN 101939450A
- Authority
- CN
- China
- Prior art keywords
- magnesium
- calcium
- metal ion
- aqueous solution
- intermediate processing
- 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.)
- Granted
Links
- 229910021645 metal ion Inorganic materials 0.000 title claims abstract description 44
- 238000012545 processing Methods 0.000 title claims abstract description 31
- QWDJLDTYWNBUKE-UHFFFAOYSA-L magnesium bicarbonate Chemical compound [Mg+2].OC([O-])=O.OC([O-])=O QWDJLDTYWNBUKE-UHFFFAOYSA-L 0.000 claims abstract description 83
- 229910000022 magnesium bicarbonate Inorganic materials 0.000 claims abstract description 83
- 239000002370 magnesium bicarbonate Substances 0.000 claims abstract description 83
- 235000014824 magnesium bicarbonate Nutrition 0.000 claims abstract description 83
- 239000007864 aqueous solution Substances 0.000 claims abstract description 80
- 238000001556 precipitation Methods 0.000 claims abstract description 52
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 40
- NKWPZUCBCARRDP-UHFFFAOYSA-L calcium bicarbonate Chemical compound [Ca+2].OC([O-])=O.OC([O-])=O NKWPZUCBCARRDP-UHFFFAOYSA-L 0.000 claims abstract description 36
- 229910000020 calcium bicarbonate Inorganic materials 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 35
- 229910052751 metal Inorganic materials 0.000 claims abstract description 30
- 239000002184 metal Substances 0.000 claims abstract description 30
- 238000002360 preparation method Methods 0.000 claims abstract description 25
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000012266 salt solution Substances 0.000 claims abstract description 22
- 230000029087 digestion Effects 0.000 claims abstract description 21
- 238000003763 carbonization Methods 0.000 claims abstract description 19
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims abstract description 16
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000011777 magnesium Substances 0.000 claims abstract description 12
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 11
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 10
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 150000001875 compounds Chemical class 0.000 claims abstract description 9
- 229910052742 iron Inorganic materials 0.000 claims abstract description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 8
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 7
- 150000001455 metallic ions Chemical class 0.000 claims abstract description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 5
- 239000004411 aluminium Substances 0.000 claims abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052802 copper Inorganic materials 0.000 claims abstract description 5
- 239000010949 copper Substances 0.000 claims abstract description 5
- 229910052735 hafnium Inorganic materials 0.000 claims abstract description 5
- 229910052738 indium Inorganic materials 0.000 claims abstract description 5
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims abstract description 5
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims abstract description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 4
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052788 barium Inorganic materials 0.000 claims abstract description 4
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052793 cadmium Inorganic materials 0.000 claims abstract description 4
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 4
- 239000010941 cobalt Substances 0.000 claims abstract description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052733 gallium Inorganic materials 0.000 claims abstract description 4
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims abstract description 4
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims abstract description 4
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 4
- 229910052712 strontium Inorganic materials 0.000 claims abstract description 4
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 4
- 239000011701 zinc Substances 0.000 claims abstract description 4
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 4
- 229910001576 calcium mineral Inorganic materials 0.000 claims abstract description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 132
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 92
- 238000006243 chemical reaction Methods 0.000 claims description 67
- 239000000395 magnesium oxide Substances 0.000 claims description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 61
- 229910001868 water Inorganic materials 0.000 claims description 61
- 239000000243 solution Substances 0.000 claims description 57
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 48
- 239000001569 carbon dioxide Substances 0.000 claims description 46
- 238000001914 filtration Methods 0.000 claims description 38
- 239000012452 mother liquor Substances 0.000 claims description 32
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 31
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 28
- 239000007787 solid Substances 0.000 claims description 28
- 241000894007 species Species 0.000 claims description 28
- 239000000347 magnesium hydroxide Substances 0.000 claims description 26
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 26
- 239000000047 product Substances 0.000 claims description 26
- 238000005406 washing Methods 0.000 claims description 24
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 20
- 239000011575 calcium Substances 0.000 claims description 20
- 229910052791 calcium Inorganic materials 0.000 claims description 19
- 238000002156 mixing Methods 0.000 claims description 19
- 239000000292 calcium oxide Substances 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 14
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 13
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 239000000920 calcium hydroxide Substances 0.000 claims description 12
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 12
- 239000010459 dolomite Substances 0.000 claims description 12
- 229910000514 dolomite Inorganic materials 0.000 claims description 12
- 159000000003 magnesium salts Chemical class 0.000 claims description 12
- 239000003513 alkali Substances 0.000 claims description 11
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 11
- 239000012065 filter cake Substances 0.000 claims description 11
- 229940091250 magnesium supplement Drugs 0.000 claims description 11
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 claims description 10
- -1 shepardite Substances 0.000 claims description 10
- 239000002002 slurry Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- 230000001376 precipitating effect Effects 0.000 claims description 9
- 230000035484 reaction time Effects 0.000 claims description 9
- 239000003153 chemical reaction reagent Substances 0.000 claims description 8
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 8
- 239000001095 magnesium carbonate Substances 0.000 claims description 8
- 235000014380 magnesium carbonate Nutrition 0.000 claims description 8
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 8
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims description 7
- 229910052684 Cerium Inorganic materials 0.000 claims description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 6
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 5
- 229910052691 Erbium Inorganic materials 0.000 claims description 5
- 229910052693 Europium Inorganic materials 0.000 claims description 5
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 5
- 229910052689 Holmium Inorganic materials 0.000 claims description 5
- 229910052765 Lutetium Inorganic materials 0.000 claims description 5
- 229910052779 Neodymium Inorganic materials 0.000 claims description 5
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 5
- 229910052772 Samarium Inorganic materials 0.000 claims description 5
- 229910052771 Terbium Inorganic materials 0.000 claims description 5
- 229910052775 Thulium Inorganic materials 0.000 claims description 5
- 229910052769 Ytterbium Inorganic materials 0.000 claims description 5
- 229910052746 lanthanum Inorganic materials 0.000 claims description 5
- 229910052727 yttrium Inorganic materials 0.000 claims description 5
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 claims description 4
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 claims description 4
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 claims description 4
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 claims description 4
- KJZYNXUDTRRSPN-UHFFFAOYSA-N holmium atom Chemical compound [Ho] KJZYNXUDTRRSPN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 4
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 4
- OHSVLFRHMCKCQY-UHFFFAOYSA-N lutetium atom Chemical compound [Lu] OHSVLFRHMCKCQY-UHFFFAOYSA-N 0.000 claims description 4
- 235000010755 mineral Nutrition 0.000 claims description 4
- 239000011707 mineral Substances 0.000 claims description 4
- 238000012805 post-processing Methods 0.000 claims description 4
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 claims description 4
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 claims description 4
- 229910052706 scandium Inorganic materials 0.000 claims description 4
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 claims description 4
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 claims description 4
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 4
- 241001131796 Botaurus stellaris Species 0.000 claims description 3
- 235000019738 Limestone Nutrition 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 239000006028 limestone Substances 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 3
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 claims description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 2
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 claims description 2
- 229910002651 NO3 Inorganic materials 0.000 claims description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-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
- 239000002253 acid Substances 0.000 claims description 2
- 230000032683 aging Effects 0.000 claims description 2
- 238000003483 aging Methods 0.000 claims description 2
- 229910001424 calcium ion Inorganic materials 0.000 claims description 2
- 150000001734 carboxylic acid salts Chemical class 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- UEGPKNKPLBYCNK-UHFFFAOYSA-L magnesium acetate Chemical compound [Mg+2].CC([O-])=O.CC([O-])=O UEGPKNKPLBYCNK-UHFFFAOYSA-L 0.000 claims description 2
- 239000011654 magnesium acetate Substances 0.000 claims description 2
- 235000011285 magnesium acetate Nutrition 0.000 claims description 2
- 229940069446 magnesium acetate Drugs 0.000 claims description 2
- 239000004337 magnesium citrate Substances 0.000 claims description 2
- 235000002538 magnesium citrate Nutrition 0.000 claims description 2
- 229960005336 magnesium citrate Drugs 0.000 claims description 2
- 239000004579 marble Substances 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 239000013535 sea water Substances 0.000 claims description 2
- PLSARIKBYIPYPF-UHFFFAOYSA-H trimagnesium dicitrate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O PLSARIKBYIPYPF-UHFFFAOYSA-H 0.000 claims description 2
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 claims 2
- 229910052761 rare earth metal Inorganic materials 0.000 abstract description 7
- 235000010216 calcium carbonate Nutrition 0.000 abstract description 3
- 150000002910 rare earth metals Chemical class 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000001035 drying Methods 0.000 description 13
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 9
- 239000002351 wastewater Substances 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 235000011116 calcium hydroxide Nutrition 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000005352 clarification Methods 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 229910001425 magnesium ion Inorganic materials 0.000 description 4
- UTWHRPIUNFLOBE-UHFFFAOYSA-H neodymium(3+);tricarbonate Chemical compound [Nd+3].[Nd+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O UTWHRPIUNFLOBE-UHFFFAOYSA-H 0.000 description 4
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 3
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 3
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 3
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 3
- 239000001099 ammonium carbonate Substances 0.000 description 3
- GHLITDDQOMIBFS-UHFFFAOYSA-H cerium(3+);tricarbonate Chemical compound [Ce+3].[Ce+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O GHLITDDQOMIBFS-UHFFFAOYSA-H 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910017604 nitric acid Inorganic materials 0.000 description 3
- 235000006408 oxalic acid Nutrition 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000000908 ammonium hydroxide Substances 0.000 description 2
- YKYOUMDCQGMQQO-UHFFFAOYSA-L cadmium dichloride Chemical compound Cl[Cd]Cl YKYOUMDCQGMQQO-UHFFFAOYSA-L 0.000 description 2
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 2
- CHPZKNULDCNCBW-UHFFFAOYSA-N gallium nitrate Chemical compound [Ga+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O CHPZKNULDCNCBW-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- BDAGIHXWWSANSR-NJFSPNSNSA-N hydroxyformaldehyde Chemical compound O[14CH]=O BDAGIHXWWSANSR-NJFSPNSNSA-N 0.000 description 2
- 229910001607 magnesium mineral Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- PLDDOISOJJCEMH-UHFFFAOYSA-N neodymium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Nd+3].[Nd+3] PLDDOISOJJCEMH-UHFFFAOYSA-N 0.000 description 2
- 229910000008 nickel(II) carbonate Inorganic materials 0.000 description 2
- ZULUUIKRFGGGTL-UHFFFAOYSA-L nickel(ii) carbonate Chemical compound [Ni+2].[O-]C([O-])=O ZULUUIKRFGGGTL-UHFFFAOYSA-L 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 229910000018 strontium carbonate Inorganic materials 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 description 1
- ROHNDTQNBNXVKU-UHFFFAOYSA-N 2-hydroxypropane-1,2,3-tricarboxylic acid;neodymium Chemical compound [Nd].OC(=O)CC(O)(C(O)=O)CC(O)=O ROHNDTQNBNXVKU-UHFFFAOYSA-N 0.000 description 1
- NECUCYZCESSQJR-UHFFFAOYSA-H C([O-])([O-])=O.[Ce+3].[La+3].C([O-])([O-])=O.C([O-])([O-])=O Chemical compound C([O-])([O-])=O.[Ce+3].[La+3].C([O-])([O-])=O.C([O-])([O-])=O NECUCYZCESSQJR-UHFFFAOYSA-H 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910021380 Manganese Chloride Inorganic materials 0.000 description 1
- GLFNIEUTAYBVOC-UHFFFAOYSA-L Manganese chloride Chemical compound Cl[Mn]Cl GLFNIEUTAYBVOC-UHFFFAOYSA-L 0.000 description 1
- WAEMQWOKJMHJLA-UHFFFAOYSA-N Manganese(2+) Chemical compound [Mn+2] WAEMQWOKJMHJLA-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 description 1
- CNERRGRDMYRHEV-UHFFFAOYSA-H [Cl-].[La+3].[Ce+3].[Cl-].[Cl-].[Cl-].[Cl-].[Cl-] Chemical class [Cl-].[La+3].[Ce+3].[Cl-].[Cl-].[Cl-].[Cl-].[Cl-] CNERRGRDMYRHEV-UHFFFAOYSA-H 0.000 description 1
- HGJSMLMRKBXYJY-UHFFFAOYSA-N [N+](=O)([O-])[O-].[Zr+4].[Hf+4].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-] Chemical compound [N+](=O)([O-])[O-].[Zr+4].[Hf+4].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-] HGJSMLMRKBXYJY-UHFFFAOYSA-N 0.000 description 1
- MIJKIIBNAPRONL-UHFFFAOYSA-N acetic acid;neodymium Chemical compound [Nd].CC(O)=O MIJKIIBNAPRONL-UHFFFAOYSA-N 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 1
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 description 1
- 229910001626 barium chloride Inorganic materials 0.000 description 1
- 229910001422 barium ion Inorganic materials 0.000 description 1
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Inorganic materials [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 1
- CSSYLTMKCUORDA-UHFFFAOYSA-N barium(2+);oxygen(2-) Chemical compound [O-2].[Ba+2] CSSYLTMKCUORDA-UHFFFAOYSA-N 0.000 description 1
- CXKCTMHTOKXKQT-UHFFFAOYSA-N cadmium oxide Inorganic materials [Cd]=O CXKCTMHTOKXKQT-UHFFFAOYSA-N 0.000 description 1
- WLZRMCYVCSSEQC-UHFFFAOYSA-N cadmium(2+) Chemical compound [Cd+2] WLZRMCYVCSSEQC-UHFFFAOYSA-N 0.000 description 1
- CFEAAQFZALKQPA-UHFFFAOYSA-N cadmium(2+);oxygen(2-) Chemical compound [O-2].[Cd+2] CFEAAQFZALKQPA-UHFFFAOYSA-N 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 229940043430 calcium compound Drugs 0.000 description 1
- 150000001674 calcium compounds Chemical class 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
- VYLVYHXQOHJDJL-UHFFFAOYSA-K cerium trichloride Chemical compound Cl[Ce](Cl)Cl VYLVYHXQOHJDJL-UHFFFAOYSA-K 0.000 description 1
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 229910021446 cobalt carbonate Inorganic materials 0.000 description 1
- 229910001429 cobalt ion Inorganic materials 0.000 description 1
- 229910000361 cobalt sulfate Inorganic materials 0.000 description 1
- 229940044175 cobalt sulfate Drugs 0.000 description 1
- XLJKHNWPARRRJB-UHFFFAOYSA-N cobalt(2+) Chemical compound [Co+2] XLJKHNWPARRRJB-UHFFFAOYSA-N 0.000 description 1
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 description 1
- ZOTKGJBKKKVBJZ-UHFFFAOYSA-L cobalt(2+);carbonate Chemical compound [Co+2].[O-]C([O-])=O ZOTKGJBKKKVBJZ-UHFFFAOYSA-L 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229940116318 copper carbonate Drugs 0.000 description 1
- 229910001431 copper ion Inorganic materials 0.000 description 1
- GEZOTWYUIKXWOA-UHFFFAOYSA-L copper;carbonate Chemical compound [Cu+2].[O-]C([O-])=O GEZOTWYUIKXWOA-UHFFFAOYSA-L 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- AJNVQOSZGJRYEI-UHFFFAOYSA-N digallium;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Ga+3].[Ga+3] AJNVQOSZGJRYEI-UHFFFAOYSA-N 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229940044658 gallium nitrate Drugs 0.000 description 1
- 229910001195 gallium oxide Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009854 hydrometallurgy Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910001449 indium ion Inorganic materials 0.000 description 1
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 235000014413 iron hydroxide Nutrition 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- NKYRSWOOAHEKSC-UHFFFAOYSA-L magnesium hydrogen carbonate hydrate Chemical compound C([O-])(O)=O.[OH-].C(O)(O)=O.[Mg+2] NKYRSWOOAHEKSC-UHFFFAOYSA-L 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000011565 manganese chloride Substances 0.000 description 1
- 235000002867 manganese chloride Nutrition 0.000 description 1
- 229940099607 manganese chloride Drugs 0.000 description 1
- 229910001437 manganese ion Inorganic materials 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- ATINCSYRHURBSP-UHFFFAOYSA-K neodymium(iii) chloride Chemical compound Cl[Nd](Cl)Cl ATINCSYRHURBSP-UHFFFAOYSA-K 0.000 description 1
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- RGRFMLCXNGPERX-UHFFFAOYSA-L oxozirconium(2+) carbonate Chemical compound [Zr+2]=O.[O-]C([O-])=O RGRFMLCXNGPERX-UHFFFAOYSA-L 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 150000004965 peroxy acids Chemical class 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- BHXBZLPMVFUQBQ-UHFFFAOYSA-K samarium(iii) chloride Chemical compound Cl[Sm](Cl)Cl BHXBZLPMVFUQBQ-UHFFFAOYSA-K 0.000 description 1
- DVMZCYSFPFUKKE-UHFFFAOYSA-K scandium chloride Chemical compound Cl[Sc](Cl)Cl DVMZCYSFPFUKKE-UHFFFAOYSA-K 0.000 description 1
- NYMLCLICEBTBKR-UHFFFAOYSA-H scandium(3+);tricarbonate Chemical compound [Sc+3].[Sc+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O NYMLCLICEBTBKR-UHFFFAOYSA-H 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910001631 strontium chloride Inorganic materials 0.000 description 1
- AHBGXTDRMVNFER-UHFFFAOYSA-L strontium dichloride Chemical compound [Cl-].[Cl-].[Sr+2] AHBGXTDRMVNFER-UHFFFAOYSA-L 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 0.000 description 1
- 229960001763 zinc sulfate Drugs 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/06—Oxides, Hydroxides
- C04B22/062—Oxides, Hydroxides of the alkali or alkaline-earth metals
- C04B22/064—Oxides, Hydroxides of the alkali or alkaline-earth metals of the alkaline-earth metals
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/06—Oxides, Hydroxides
- C04B22/066—Magnesia; Magnesium hydroxide
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B59/00—Obtaining rare earth metals
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Catalysts (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Description
Claims (1)
- 权利要求1、 一种金属离子的沉淀方法, 其特征在于:以碳酸氢镁或 /和碳酸氢钙水溶液 作为沉淀剂, 与金属盐溶液混合沉淀, 控制沉淀母液 pH值为 4.5〜8, 使金属离 子沉淀, 并经过后处理得到金属碳酸盐、 氢氧化物和碱式碳酸盐中的至少一种。2、 一种金属离子的沉淀方法,其特征在于: 将金属盐溶液与饱和二氧化碳的 碳酸氢镁或 /和碳酸氢钙水溶液混合沉淀, 反应温度为 0°C〜95°C, 反应时间为 0.5 〜5小时, 沉淀母液 pH值为 5〜7, 使金属离子沉淀, 经过陈化、 过滤、 洗涤、 烘干步骤中的至少一步后处理, 得到金属碳酸盐、 氢氧化物和碱式碳酸盐中的至 少一种。3、 根据权利要求 1或 2所述的一种金属离子的沉淀方法, 其特征在于: 所 述金属碳酸盐、 氢氧化物、 碱式碳酸盐或其混合物在 600〜1100°C下焙烧 0.5〜12 小时, 得到金属氧化物产品。4、 根据权利要求 1或 2所述的一种金属离子的沉淀方法, 其特征在于: 所 述金属盐溶液中的金属离子为镧、 铈、 镨、 钕、 钐、 铕、 钆、 铽、 镝、 钬、 铒、 铥、 镱、 镥、 钇、 钪、 镍、 钴、 铁、 铝、 镓、 铟、 锰、 镉、 锆、 铪、 锶、 钡、 铜 和锌中的至少一种。5、 根据权利要求 1或 2所述的一种金属离子的沉淀方法, 其特征在于: 所 述金属盐溶液中的金属离子为镧、 铈、 镨、 钕、 钐、 铕、 钆、 铽、 镝、 钬、 铒、 铥、 镱、 镥、 钇中的至少一种。6、 根据权利要求 1所述的一种金属离子的沉淀方法, 其特征在于: 所述碳 酸氢镁或 /和碳酸氢钙水溶液中氧化镁和 /或氧化钙含量为 5— 100 g/L, 其用量为 理论用量的 101wt%〜150wt%, Fe重量的含量小于 5ppm, A1重量的含量小于 5ppm。7、 根据权利要求 1所述的一种金属离子的沉淀方法, 其特征在于: 所述碳 酸氢镁或 /和碳酸氢钙水溶液中氧化镁和 /或氧化钙含量为 5— 30 g/L, 其用量为理 论用量的 105wt%〜130wt% Fe重量的含量小于 2ppm A1重量的含量小于 2ppm。8、 根据权利要求 1所述的一种金属离子的沉淀方法, 其特征在于: 所述金 属盐溶液为氯化物溶液、 硝酸盐溶液、 硫酸盐溶液、 醋酸盐溶液、 羧酸盐溶液、 环垸酸盐溶液、 柠檬酸盐溶液或其混合溶液, 其金属离子浓度为 0.01~2.0 mol/L。9、 根据权利要求 1所述的一种金属离子的沉淀方法, 其特征在于: 碳酸氢 镁或 /和钙与金属离子反应过程中产生的二氧化碳气体经过捕收,返回用于碳酸氢 镁或 /和碳酸氢钙水溶液的制备。10、 根据权利要求 1所述的一种金属离子的沉淀方法, 其特征在于: 所述碳 酸氢镁或 /和钙水溶液由含镁或 /和钙矿物经过焙烧、 消化和碳化过程制备。11、 根据权利要求 10所述的一种金属离子的沉淀方法, 其特征在于: 所述 碳酸氢镁水溶液由菱镁矿、 水镁石、 白云石和碳酸镁中的至少一种矿物经过焙 烧、 消化和碳化过程制备。12、 根据权利要求 10所述的一种金属离子的沉淀方法, 其特征在于: 所述 的焙烧过程是将矿物在 700~1000°C焙烧 1~5小时;所述的消化过程是在焙烧后将 得到的氧化镁或 /和钙加水在 50~95°C进行消化 0.5~5小时,按水和氧化镁或 /和钙 重量计算液固比为 1~5:1, 再加水调浆, 按水和氧化镁或 /和钙重量计算液固比为 10-200:1; 所述的碳化过程是在消化过程之后通入二氧化碳气体进行碳化, 反应 温度控制在 0~50°C, 反应时间为 0.1~5小时, 经过滤, 得到纯净的碳酸氢镁或 / 和碳酸氢钙水溶液。13、 根据权利要求 3或 10所述的一种金属离子的沉淀方法, 其特征在于: 所述焙烧过程产生的二氧化碳气体经过捕收 返回用于碳酸氢镁或 /和碳酸氢钙水 溶液的制备。14、 根据权利要求 1所述的一种金属离子的沉淀方法, 其特征在于: 所述碳 酸氢镁水溶液的制备方法为将氧化镁加水在 50~95°C进行消化 0.5~5小时, 按水 和氧化镁重量计算液固比为 1~5:1再加水调浆, 或将氢氧化镁用水调浆, 按水和 氧化镁重量计算液固比为 10~200: 1, 然后通入二氧化碳气体进行碳化, 反应温 度控制在 0~50°C, 反应时间为 0.1~5小时, 经过滤, 得到纯净的碳酸氢镁水溶液。15、 根据权利要求 1所述的一种金属离子的沉淀方法, 其特征在于: 所述碳 酸氢镁水溶液的制备方法为: 以镁盐为原料制备碳酸氢镁溶液, 其具体步骤为: 1 ) 氢氧化镁的制备: 将镁盐溶液或者固体镁盐用水溶解配制成溶液, 加入 比氢氧化镁碱性强的液态或固态碱性化合物, 反应得到氢氧化镁浆料或过滤得到 氢氧化镁滤饼;2)碳酸氢镁溶液制备: 步骤 1 )得到的氢氧化镁浆料或滤饼用水调浆并通入 二氧化碳进行碳化, 得到碳酸氢镁溶液。16、 根据权利要求 15所述的一种金属离子的沉淀方法, 其特征在于, 步骤 1)的固体镁盐为氯化镁或硝酸镁中的至少一种。17、 根据权利要求 15所述的一种金属离子的沉淀方法, 其特征在于, 所述 镁盐溶液为含氯化镁、 硝酸镁、 醋酸镁、 柠檬酸镁中的至少一种水溶液, 或是卤 水和海水中的至少一种, 所述镁盐溶液浓度以氧化镁计为 10~300g/L。18、 根据权利要求 15所述的一种金属离子的沉淀方法, 其特征在于, 所述 镁盐溶液浓度以氧化镁计为 10~200g/L。19、根据权利要求 15所述的一种金属离子的沉淀方法,其特征在于,步骤 1 ) 所述碱性化合物为氢氧化钙、 氢氧化钠、 氢氧化钾、 氧化钙消化得到的氢氧化钙 和轻烧白云石消化得到的氢氧化钙与氢氧化镁的混合物中的至少一种。2α 根据权利要求 15所述的一种金属离子的沉淀方法, 其特征在于, 步骤 1 ) 所述碱性化合物为氧化钙消化得到的氢氧化钙或轻烧白云石消化得到的氢氧化 钙与氢氧化镁的混合物。21、根据权利要求 15所述的一种金属离子的沉淀方法, 其特征在于, 步骤 1 ) 所述碱性化合物加入量为理论化学计量的 1~1.5倍, 反应温度为 15~95°C, 反应 时间 10~180min。22、 根据权利要求 15所述的一种金属离子的沉淀方法, 其特征在于, 步骤 2)中所述的氢氧化镁浆料或滤饼用水调浆过程中, 按水和氧化镁重量计算液固比 为 10~200: 1, 在通入二氧化碳进行连续碳化过程中, 反应温度控制在 0~35°C, 经过滤得到纯净的碳酸氢镁水溶液, 溶液中氧化镁含量为 5~30g/L。23、 根据权利要求 1所述的一种金属离子的沉淀方法, 其特征在于: 碳酸氢 钙水溶液的制备方法为由碳酸钙、 石灰石、 大理石和白云石中至少一种直接喷水 并通入二氧化碳进行碳化, 得到纯净的碳酸氢钙水溶液。
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CN201080000601.2A CN101939450B (zh) | 2009-02-09 | 2010-02-09 | 一种金属离子的沉淀方法 |
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