PL53026B1 - - Google Patents

Info

Publication number

PL53026B1

PL53026B1 PL105566A PL10556664A PL53026B1 PL 53026 B1 PL53026 B1 PL 53026B1 PL 105566 A PL105566 A PL 105566A PL 10556664 A PL10556664 A PL 10556664A PL 53026 B1 PL53026 B1 PL 53026B1

Authority

PL

Poland

Prior art keywords

edta

iii

edta complex

solution

ions

Prior art date

1964-08-26

Links

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• KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 20
• XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 11
• VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 claims description 8
• 150000001875 compounds Chemical class 0.000 claims description 7
• QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
• 150000001768 cations Chemical class 0.000 claims description 5
• -1 iron ions Chemical class 0.000 claims description 5
• 238000000034 method Methods 0.000 claims description 4
• 229910052742 iron Inorganic materials 0.000 claims description 3
• 229910001413 alkali metal ion Inorganic materials 0.000 claims description 2
• 159000000014 iron salts Chemical class 0.000 claims description 2
• 229910052761 rare earth metal Inorganic materials 0.000 claims description 2
• 239000011734 sodium Substances 0.000 claims description 2
• UEUXEKPTXMALOB-UHFFFAOYSA-J tetrasodium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O UEUXEKPTXMALOB-UHFFFAOYSA-J 0.000 claims description 2
• 239000002699 waste material Substances 0.000 claims description 2
• 229960001484 edetic acid Drugs 0.000 claims 4
• JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 claims 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 claims 1
• 229910001431 copper ion Inorganic materials 0.000 claims 1
• 238000005342 ion exchange Methods 0.000 claims 1
• 238000000926 separation method Methods 0.000 claims 1
• 229910052708 sodium Inorganic materials 0.000 claims 1
• 239000000243 solution Substances 0.000 description 15
• HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
• 239000010949 copper Substances 0.000 description 5
• 239000013078 crystal Substances 0.000 description 3
• QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
• RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
• 229910052802 copper Inorganic materials 0.000 description 2
• VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 description 2
• 239000010802 sludge Substances 0.000 description 2
• 238000003756 stirring Methods 0.000 description 2
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
• UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
• GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
• 229910021529 ammonia Inorganic materials 0.000 description 1
• 239000001110 calcium chloride Substances 0.000 description 1
• 229910001628 calcium chloride Inorganic materials 0.000 description 1
• 239000002178 crystalline material Substances 0.000 description 1
• 238000001704 evaporation Methods 0.000 description 1
• 238000010438 heat treatment Methods 0.000 description 1
• 150000002500 ions Chemical class 0.000 description 1
• 239000000203 mixture Substances 0.000 description 1
• 239000012452 mother liquor Substances 0.000 description 1
• 229910017604 nitric acid Inorganic materials 0.000 description 1
• 230000020477 pH reduction Effects 0.000 description 1
• 229920001467 poly(styrenesulfonates) Polymers 0.000 description 1
• ZNNZYHKDIALBAK-UHFFFAOYSA-M potassium thiocyanate Chemical compound [K+].[S-]C#N ZNNZYHKDIALBAK-UHFFFAOYSA-M 0.000 description 1
• 239000002244 precipitate Substances 0.000 description 1
• 150000002910 rare earth metals Chemical class 0.000 description 1
• 239000012047 saturated solution Substances 0.000 description 1
• 239000002002 slurry Substances 0.000 description 1
• 239000000126 substance Substances 0.000 description 1
• 238000005406 washing Methods 0.000 description 1