IL94463A - Process for removing cadmium ions from phosphoric acid obtained in a wet process - Google Patents

Process for removing cadmium ions from phosphoric acid obtained in a wet process

Info

Publication number: IL94463A
Authority: IL; Israel
Prior art keywords: cadmium; weight; process according; ions; extraction
Prior art date: 1989-05-26

Application number

IL9446390A

Other languages

English (en)

Hebrew (he)

Other versions

IL94463A0 (en

Original Assignee

Budenheim Rud A Oetker Chemie

Priority date (The priority date 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 date listed.)

1989-05-26

Filing date

1990-05-22

Publication date

1994-11-11

1990-05-22 Application filed by Budenheim Rud A Oetker Chemie filed Critical Budenheim Rud A Oetker Chemie

1991-03-10 Publication of IL94463A0 publication Critical patent/IL94463A0/xx

1994-11-11 Publication of IL94463A publication Critical patent/IL94463A/en

Links

NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title claims description 118
238000000034 method Methods 0.000 title claims description 106
230000008569 process Effects 0.000 title claims description 97
229910000147 aluminium phosphate Inorganic materials 0.000 title claims description 59
WLZRMCYVCSSEQC-UHFFFAOYSA-N cadmium(2+) Chemical compound [Cd+2] WLZRMCYVCSSEQC-UHFFFAOYSA-N 0.000 title claims description 22
229910052793 cadmium Inorganic materials 0.000 claims description 110
BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims description 90
238000000605 extraction Methods 0.000 claims description 59
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 57
239000000243 solution Substances 0.000 claims description 55
230000002378 acidificating effect Effects 0.000 claims description 51
239000012071 phase Substances 0.000 claims description 49
XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 48
239000007864 aqueous solution Substances 0.000 claims description 41
239000003960 organic solvent Substances 0.000 claims description 36
150000003839 salts Chemical class 0.000 claims description 36
229910052742 iron Inorganic materials 0.000 claims description 31
239000000203 mixture Substances 0.000 claims description 30
239000012074 organic phase Substances 0.000 claims description 29
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 28
238000004821 distillation Methods 0.000 claims description 21
229910052751 metal Inorganic materials 0.000 claims description 20
239000002184 metal Substances 0.000 claims description 20
239000002244 precipitate Substances 0.000 claims description 20
150000001412 amines Chemical class 0.000 claims description 15
125000000129 anionic group Chemical group 0.000 claims description 15
150000002739 metals Chemical class 0.000 claims description 15
238000000926 separation method Methods 0.000 claims description 14
238000000622 liquid--liquid extraction Methods 0.000 claims description 9
238000000638 solvent extraction Methods 0.000 claims description 9
-1 ammonium cations Chemical class 0.000 claims description 8
229930195733 hydrocarbon Natural products 0.000 claims description 7
238000012545 processing Methods 0.000 claims description 7
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
239000004215 Carbon black (E152) Substances 0.000 claims description 6
125000004432 carbon atom Chemical group C* 0.000 claims description 6
PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 claims description 5
239000000706 filtrate Substances 0.000 claims description 5
VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 claims description 4
229940083124 ganglion-blocking antiadrenergic secondary and tertiary amines Drugs 0.000 claims description 4
150000003141 primary amines Chemical class 0.000 claims description 4
150000003863 ammonium salts Chemical class 0.000 claims description 3
150000001450 anions Chemical class 0.000 claims description 3
150000002430 hydrocarbons Chemical class 0.000 claims description 3
229910052757 nitrogen Inorganic materials 0.000 claims description 3
125000004433 nitrogen atom Chemical group N* 0.000 claims description 3
150000003242 quaternary ammonium salts Chemical class 0.000 claims description 3
239000012266 salt solution Substances 0.000 claims description 3
125000000217 alkyl group Chemical group 0.000 claims description 2
239000011260 aqueous acid Substances 0.000 claims description 2
125000001424 substituent group Chemical group 0.000 claims 2
125000001183 hydrocarbyl group Chemical group 0.000 claims 1
235000011007 phosphoric acid Nutrition 0.000 description 63
239000011701 zinc Substances 0.000 description 43
229910052725 zinc Inorganic materials 0.000 description 38
239000002253 acid Substances 0.000 description 28
229910019142 PO4 Inorganic materials 0.000 description 20
235000021317 phosphate Nutrition 0.000 description 20
238000004458 analytical method Methods 0.000 description 19
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 18
NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 18
239000010452 phosphate Substances 0.000 description 18
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 16
239000002585 base Substances 0.000 description 14
239000002904 solvent Substances 0.000 description 14
239000000126 substance Substances 0.000 description 14
125000001453 quaternary ammonium group Chemical group 0.000 description 12
229910001385 heavy metal Inorganic materials 0.000 description 11
238000001556 precipitation Methods 0.000 description 11
238000001914 filtration Methods 0.000 description 9
150000003016 phosphoric acids Chemical class 0.000 description 9
239000007787 solid Substances 0.000 description 9
239000002351 wastewater Substances 0.000 description 9
238000004090 dissolution Methods 0.000 description 8
150000002500 ions Chemical class 0.000 description 8
239000011734 sodium Substances 0.000 description 8
229910052791 calcium Inorganic materials 0.000 description 7
239000011575 calcium Substances 0.000 description 7
ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 7
229910052804 chromium Inorganic materials 0.000 description 7
229910021645 metal ion Inorganic materials 0.000 description 7
238000002360 preparation method Methods 0.000 description 7
229910052708 sodium Inorganic materials 0.000 description 7
150000001338 aliphatic hydrocarbons Chemical class 0.000 description 6
YKYOUMDCQGMQQO-UHFFFAOYSA-L cadmium dichloride Chemical compound Cl[Cd]Cl YKYOUMDCQGMQQO-UHFFFAOYSA-L 0.000 description 6
239000013078 crystal Substances 0.000 description 6
LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 6
239000000725 suspension Substances 0.000 description 6
150000007513 acids Chemical class 0.000 description 5
239000008346 aqueous phase Substances 0.000 description 5
238000009835 boiling Methods 0.000 description 5
150000001768 cations Chemical class 0.000 description 5
230000002349 favourable effect Effects 0.000 description 5
238000006386 neutralization reaction Methods 0.000 description 5
238000003756 stirring Methods 0.000 description 5
230000015572 biosynthetic process Effects 0.000 description 4
229910001861 calcium hydroxide Inorganic materials 0.000 description 4
239000012065 filter cake Substances 0.000 description 4
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
238000006243 chemical reaction Methods 0.000 description 3
230000001419 dependent effect Effects 0.000 description 3
239000003337 fertilizer Substances 0.000 description 3
238000002156 mixing Methods 0.000 description 3
238000011084 recovery Methods 0.000 description 3
229910052720 vanadium Inorganic materials 0.000 description 3
HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
241000838698 Togo Species 0.000 description 2
150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
150000001661 cadmium Chemical class 0.000 description 2
239000000292 calcium oxide Substances 0.000 description 2
150000001875 compounds Chemical class 0.000 description 2
229910052802 copper Inorganic materials 0.000 description 2
239000010949 copper Substances 0.000 description 2
238000002474 experimental method Methods 0.000 description 2
239000007788 liquid Substances 0.000 description 2
150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
150000003335 secondary amines Chemical class 0.000 description 2
239000007858 starting material Substances 0.000 description 2
150000003512 tertiary amines Chemical class 0.000 description 2
238000012360 testing method Methods 0.000 description 2
239000002699 waste material Substances 0.000 description 2
239000008096 xylene Substances 0.000 description 2
FXZVACQCUNWYEK-UHFFFAOYSA-N 2,6,8-trimethyl-n-(2,6,8-trimethylnonan-4-yl)nonan-4-amine Chemical compound CC(C)CC(C)CC(CC(C)C)NC(CC(C)C)CC(C)CC(C)C FXZVACQCUNWYEK-UHFFFAOYSA-N 0.000 description 1
GUGQEQNOUMNCMN-UHFFFAOYSA-N 2-butyl-n-(2-butyloctyl)octan-1-amine Chemical compound CCCCCCC(CCCC)CNCC(CCCC)CCCCCC GUGQEQNOUMNCMN-UHFFFAOYSA-N 0.000 description 1
QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical class [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
SAIKULLUBZKPDA-UHFFFAOYSA-N Bis(2-ethylhexyl) amine Chemical compound CCCCC(CC)CNCC(CC)CCCC SAIKULLUBZKPDA-UHFFFAOYSA-N 0.000 description 1
RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
YJLYANLCNIKXMG-UHFFFAOYSA-N N-Methyldioctylamine Chemical compound CCCCCCCCN(C)CCCCCCCC YJLYANLCNIKXMG-UHFFFAOYSA-N 0.000 description 1
NKGSHSILLGXYDW-UHFFFAOYSA-N N-undecylundecan-1-amine Chemical compound CCCCCCCCCCCNCCCCCCCCCCC NKGSHSILLGXYDW-UHFFFAOYSA-N 0.000 description 1
229910002651 NO3 Inorganic materials 0.000 description 1
NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical class O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
150000008043 acidic salts Chemical class 0.000 description 1
150000001298 alcohols Chemical class 0.000 description 1
239000003513 alkali Substances 0.000 description 1
150000003973 alkyl amines Chemical class 0.000 description 1
239000007900 aqueous suspension Substances 0.000 description 1
125000003710 aryl alkyl group Chemical group 0.000 description 1
125000003118 aryl group Chemical group 0.000 description 1
238000010533 azeotropic distillation Methods 0.000 description 1
230000008901 benefit Effects 0.000 description 1
125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
230000003139 buffering effect Effects 0.000 description 1
229940065285 cadmium compound Drugs 0.000 description 1
150000001662 cadmium compounds Chemical class 0.000 description 1
BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
239000007795 chemical reaction product Substances 0.000 description 1
239000003153 chemical reaction reagent Substances 0.000 description 1
150000001805 chlorine compounds Chemical class 0.000 description 1
229910017052 cobalt Inorganic materials 0.000 description 1
239000010941 cobalt Substances 0.000 description 1
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
239000012141 concentrate Substances 0.000 description 1
230000003750 conditioning effect Effects 0.000 description 1
238000010924 continuous production Methods 0.000 description 1
238000001816 cooling Methods 0.000 description 1
238000002425 crystallisation Methods 0.000 description 1
230000008025 crystallization Effects 0.000 description 1
238000010908 decantation Methods 0.000 description 1
125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
NAPSCFZYZVSQHF-UHFFFAOYSA-N dimantine Chemical compound CCCCCCCCCCCCCCCCCCN(C)C NAPSCFZYZVSQHF-UHFFFAOYSA-N 0.000 description 1
LAWOZCWGWDVVSG-UHFFFAOYSA-N dioctylamine Chemical compound CCCCCCCCNCCCCCCCC LAWOZCWGWDVVSG-UHFFFAOYSA-N 0.000 description 1
230000002708 enhancing effect Effects 0.000 description 1
PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
229910052737 gold Inorganic materials 0.000 description 1
239000010931 gold Substances 0.000 description 1
150000005826 halohydrocarbons Chemical class 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
229910052739 hydrogen Inorganic materials 0.000 description 1
239000012433 hydrogen halide Substances 0.000 description 1
229910000039 hydrogen halide Inorganic materials 0.000 description 1
229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
230000002452 interceptive effect Effects 0.000 description 1
238000002955 isolation Methods 0.000 description 1
239000011133 lead Substances 0.000 description 1
239000007791 liquid phase Substances 0.000 description 1
239000000463 material Substances 0.000 description 1
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
GKBOJAOPTGUUFG-UHFFFAOYSA-M methyl-tri(nonyl)azanium;chloride Chemical compound [Cl-].CCCCCCCCC[N+](C)(CCCCCCCCC)CCCCCCCCC GKBOJAOPTGUUFG-UHFFFAOYSA-M 0.000 description 1
CMRDQNUCQSKFFH-UHFFFAOYSA-M methyl-tris(6-methylheptyl)azanium;chloride Chemical compound [Cl-].CC(C)CCCCC[N+](C)(CCCCCC(C)C)CCCCCC(C)C CMRDQNUCQSKFFH-UHFFFAOYSA-M 0.000 description 1
HUODUPUDSHWBSD-UHFFFAOYSA-M methyl-tris(7-methyloctyl)azanium;chloride Chemical compound [Cl-].CC(C)CCCCCC[N+](C)(CCCCCCC(C)C)CCCCCCC(C)C HUODUPUDSHWBSD-UHFFFAOYSA-M 0.000 description 1
XKBGEWXEAPTVCK-UHFFFAOYSA-M methyltrioctylammonium chloride Chemical compound [Cl-].CCCCCCCC[N+](C)(CCCCCCCC)CCCCCCCC XKBGEWXEAPTVCK-UHFFFAOYSA-M 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
125000001421 myristyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
ZQJAONQEOXOVNR-UHFFFAOYSA-N n,n-di(nonyl)nonan-1-amine Chemical compound CCCCCCCCCN(CCCCCCCCC)CCCCCCCCC ZQJAONQEOXOVNR-UHFFFAOYSA-N 0.000 description 1
WFVLGDMOCAFNNS-UHFFFAOYSA-N n,n-di(tetradecyl)tetradecan-1-amine Chemical compound CCCCCCCCCCCCCCN(CCCCCCCCCCCCCC)CCCCCCCCCCCCCC WFVLGDMOCAFNNS-UHFFFAOYSA-N 0.000 description 1
MXHTZQSKTCCMFG-UHFFFAOYSA-N n,n-dibenzyl-1-phenylmethanamine Chemical compound C=1C=CC=CC=1CN(CC=1C=CC=CC=1)CC1=CC=CC=C1 MXHTZQSKTCCMFG-UHFFFAOYSA-N 0.000 description 1
LYYLWJOKAQADDU-UHFFFAOYSA-N n,n-dihexadecylhexadecan-1-amine Chemical compound CCCCCCCCCCCCCCCCN(CCCCCCCCCCCCCCCC)CCCCCCCCCCCCCCCC LYYLWJOKAQADDU-UHFFFAOYSA-N 0.000 description 1
XTAZYLNFDRKIHJ-UHFFFAOYSA-N n,n-dioctyloctan-1-amine Chemical compound CCCCCCCCN(CCCCCCCC)CCCCCCCC XTAZYLNFDRKIHJ-UHFFFAOYSA-N 0.000 description 1
GMTCPFCMAHMEMT-UHFFFAOYSA-N n-decyldecan-1-amine Chemical compound CCCCCCCCCCNCCCCCCCCCC GMTCPFCMAHMEMT-UHFFFAOYSA-N 0.000 description 1
MJCJUDJQDGGKOX-UHFFFAOYSA-N n-dodecyldodecan-1-amine Chemical compound CCCCCCCCCCCCNCCCCCCCCCCCC MJCJUDJQDGGKOX-UHFFFAOYSA-N 0.000 description 1
MFHKEJIIHDNPQE-UHFFFAOYSA-N n-nonylnonan-1-amine Chemical compound CCCCCCCCCNCCCCCCCCC MFHKEJIIHDNPQE-UHFFFAOYSA-N 0.000 description 1
230000007935 neutral effect Effects 0.000 description 1
230000003472 neutralizing effect Effects 0.000 description 1
150000002823 nitrates Chemical class 0.000 description 1
125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
150000002897 organic nitrogen compounds Chemical class 0.000 description 1
229910052762 osmium Inorganic materials 0.000 description 1
SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 1
229910052763 palladium Inorganic materials 0.000 description 1
125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
238000005191 phase separation Methods 0.000 description 1
238000000053 physical method Methods 0.000 description 1
229910052697 platinum Inorganic materials 0.000 description 1
230000001376 precipitating effect Effects 0.000 description 1
238000003672 processing method Methods 0.000 description 1
239000000047 product Substances 0.000 description 1
238000000746 purification Methods 0.000 description 1
230000009467 reduction Effects 0.000 description 1
229910052707 ruthenium Inorganic materials 0.000 description 1
239000011877 solvent mixture Substances 0.000 description 1
125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
231100000331 toxic Toxicity 0.000 description 1
230000002588 toxic effect Effects 0.000 description 1
UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 description 1
SBHRWOBHKASWGU-UHFFFAOYSA-M tridodecyl(methyl)azanium;chloride Chemical compound [Cl-].CCCCCCCCCCCC[N+](C)(CCCCCCCCCCCC)CCCCCCCCCCCC SBHRWOBHKASWGU-UHFFFAOYSA-M 0.000 description 1
SWZDQOUHBYYPJD-UHFFFAOYSA-N tridodecylamine Chemical compound CCCCCCCCCCCCN(CCCCCCCCCCCC)CCCCCCCCCCCC SWZDQOUHBYYPJD-UHFFFAOYSA-N 0.000 description 1
UMMDBKGUDMBUSR-UHFFFAOYSA-M tris-decyl(methyl)azanium;chloride Chemical compound [Cl-].CCCCCCCCCC[N+](C)(CCCCCCCCCC)CCCCCCCCCC UMMDBKGUDMBUSR-UHFFFAOYSA-M 0.000 description 1
125000002948 undecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
238000005406 washing Methods 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
- C01B25/234—Purification; Stabilisation; Concentration
- C01B25/237—Selective elimination of impurities
- C01B25/238—Cationic impurities, e.g. arsenic compounds
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/46—Preparation involving solvent-solvent extraction
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G11/00—Compounds of cadmium
- C01G11/003—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
- 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
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/28—Amines
- C22B3/282—Aliphatic amines
- 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)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Geochemistry & Mineralogy (AREA)
Geology (AREA)
Environmental & Geological Engineering (AREA)
Manufacturing & Machinery (AREA)
Life Sciences & Earth Sciences (AREA)
General Life Sciences & Earth Sciences (AREA)
Metallurgy (AREA)
Extraction Or Liquid Replacement (AREA)
Manufacture And Refinement Of Metals (AREA)
Physical Water Treatments (AREA)
Processing Of Solid Wastes (AREA)
Soil Conditioners And Soil-Stabilizing Materials (AREA)
Preventing Corrosion Or Incrustation Of Metals (AREA)
Inorganic Compounds Of Heavy Metals (AREA)

IL9446390A 1989-05-26 1990-05-22 Process for removing cadmium ions from phosphoric acid obtained in a wet process IL94463A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE3917189		1989-05-26

Publications (2)

Publication Number	Publication Date
IL94463A0 IL94463A0 (en)	1991-03-10
IL94463A true IL94463A (en)	1994-11-11

Family

ID=6381457

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IL9446390A IL94463A (en)	1989-05-26	1990-05-22	Process for removing cadmium ions from phosphoric acid obtained in a wet process

Country Status (12)

Country	Link
US (1)	US5068094A (fr)
EP (1)	EP0399521B1 (fr)
JP (1)	JPH0388704A (fr)
DE (2)	DE4010778A1 (fr)
DK (1)	DK0399521T3 (fr)
ES (1)	ES2057269T3 (fr)
FI (1)	FI90652C (fr)
IL (1)	IL94463A (fr)
MA (1)	MA21853A1 (fr)
NO (1)	NO902245L (fr)
OA (1)	OA09450A (fr)
TN (1)	TNSN90070A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5405588A (en) *	1994-07-11	1995-04-11	The United States Of America As Represented By The United States Department Of Energy	Process for removing cadmium from scrap metal
JP4758708B2 (ja) *	2005-01-24	2011-08-31	財団法人電力中央研究所	カドミウム測定方法
CN115287466B (zh) *	2022-08-09	2024-06-04	云南奥宇环保科技有限公司	一种溶剂萃取回收镉的方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1053929A (fr) *	1962-12-06
US3367749A (en) *	1963-02-20	1968-02-06	Monsanto Co	Purifying phosphoric acid using an amine extractant
US3258307A (en) *	1963-05-20	1966-06-28	Little Inc A	Process for separating cadmium and zinc from mixtures thereof
US3558288A (en) *	1965-04-15	1971-01-26	Ashland Oil Inc	Extraction of metal ions from acidic aqueous solution using an amine and a carboxylic acid
US4012481A (en) *	1975-11-07	1977-03-15	Pgp Industries, Inc.	Process for the separation of platinum group metals
DE3134847A1 (de) *	1981-09-03	1983-03-17	Hoechst Ag, 6000 Frankfurt	"verfahren zur gewinnung cadmium-freier rohphosphorsaeure"
DE3202658A1 (de) *	1982-01-28	1983-08-04	Hoechst Ag, 6230 Frankfurt	Verfahren zur entfernung von schwermetallionen aus nassverfahrensphosphorsaeure
DE3327394A1 (de) *	1982-05-18	1985-02-14	Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim	Verfahren zum entfernen von cadmium aus sauren, insbesondere p(pfeil abwaerts)2(pfeil abwaerts)o(pfeil abwaerts)5(pfeil abwaerts)-haltigen loesungen
DE3218599A1 (de) *	1982-05-18	1983-12-01	Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim	Verfahren zum entfernen von cadmium aus sauren, insbesondere p(pfeil abwaerts)2(pfeil abwaerts)0(pfeil abwaerts)5(pfeil abwaerts)-haltigen loesungen
DE3330224A1 (de) *	1983-08-22	1985-03-14	Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim	Verfahren zur entfernung von cadmium und zink aus sauren phosphat- und nitrathaltigen loesungen
DE3341073A1 (de) *	1983-11-12	1985-05-23	Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim	Verfahren zur gleichzeitigen abtrennung von cadmium-ii- und uran iv- ionen aus phosphorsaeure durch gemeinsame extraktion
DE3342211A1 (de) *	1983-11-23	1985-05-30	Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim	Verfahren zur extraktion von cadmium aus sauren loesungen

1990
- 1990-04-04 DE DE4010778A patent/DE4010778A1/de not_active Withdrawn
- 1990-05-22 NO NO90902245A patent/NO902245L/no unknown
- 1990-05-22 FI FI902518A patent/FI90652C/fi not_active IP Right Cessation
- 1990-05-22 IL IL9446390A patent/IL94463A/en not_active IP Right Cessation
- 1990-05-22 MA MA22119A patent/MA21853A1/fr unknown
- 1990-05-23 DK DK90109860.8T patent/DK0399521T3/da active
- 1990-05-23 EP EP90109860A patent/EP0399521B1/fr not_active Expired - Lifetime
- 1990-05-23 DE DE59006556T patent/DE59006556D1/de not_active Expired - Fee Related
- 1990-05-23 ES ES90109860T patent/ES2057269T3/es not_active Expired - Lifetime
- 1990-05-25 US US07/529,193 patent/US5068094A/en not_active Expired - Fee Related
- 1990-05-25 OA OA59795A patent/OA09450A/xx unknown
- 1990-05-25 TN TNTNSN90070A patent/TNSN90070A1/fr unknown
- 1990-05-25 JP JP2136894A patent/JPH0388704A/ja active Pending

Also Published As

Publication number	Publication date
FI90652B (fi)	1993-11-30
EP0399521A2 (fr)	1990-11-28
DE59006556D1 (de)	1994-09-01
EP0399521B1 (fr)	1994-07-27
NO902245L (no)	1990-11-27
FI902518A0 (fi)	1990-05-22
ES2057269T3 (es)	1994-10-16
FI90652C (fi)	1994-03-10
EP0399521A3 (fr)	1991-01-09
TNSN90070A1 (fr)	1991-03-05
IL94463A0 (en)	1991-03-10
JPH0388704A (ja)	1991-04-15
MA21853A1 (fr)	1990-12-31
OA09450A (en)	1992-10-15
US5068094A (en)	1991-11-26
DE4010778A1 (de)	1990-11-29
DK0399521T3 (da)	1994-08-22
NO902245D0 (no)	1990-05-22

Legal Events

Date	Code	Title	Description
1997-02-18	RH	Patent void

Publication	Publication Date	Title
US5039496A (en)	1991-08-13	Process for selective extraction of contaminant elements from mixtures of electrolytes in solution
EP0333489B1 (fr)	1994-06-22	Procédé d'élimination d'ions de métaux lourds d'acide phosphorique
US20040179984A1 (en)	2004-09-16	Process for removing metal impurities from wet process phosphoric acid and compositions thereof
DE3854499T2 (de)	1996-03-07	Trennung und gewinnung von nickel und kobalt in ammoniakalen systemen.
CN116745240A (zh)	2023-09-12	从磷灰石矿物回收商业物质
US10704120B2 (en)	2020-07-07	Method for recovering scandium
ES2261944T3 (es)	2006-11-16	Un proceso para la recuperacion de uranio de alta pureza a partir de acido fosforico debil de calidad fertilizante.
US3576595A (en)	1971-04-27	Recovery of molybdenum values from alkali molybdate solutions
US3206276A (en)	1965-09-14	Process for recovery of pure v2o5 from vanadium bearing materials
US3320024A (en)	1967-05-16	Process of recovering high purity vanadium compositions
US5068094A (en)	1991-11-26	Process for the removal of cadmium ions from phosphoric acid resulting from a wet process
US3700415A (en)	1972-10-24	Vanadium recovery from wet process phosphoric acid using neutral organophosphorus extractants
KR20240169644A (ko)	2024-12-03	MnSO4 용액의 정제
CA1214650A (fr)	1986-12-02	Extraction de cadmium et d'autres metaux d'une solution
US3206277A (en)	1965-09-14	Process for recovering pure vanadium oxide
US2801152A (en)	1957-07-30	Process of recovering tungstic oxide substantially free of molybdenum compounds
FI65813C (fi)	1984-07-10	Hydrometallurgisk metod foer behandling av nickelskaersten
US3297401A (en)	1967-01-10	Process for refining phosphoric acid preparations
US4492680A (en)	1985-01-08	Removal of cadmium from acidic phosphatic solutions
EP0032184B1 (fr)	1984-09-12	Procédé pour la récupération d'uranium ou de composés d'uranium à partir d'acide phosphorique
KR102793410B1 (ko)	2025-04-09	고순도 알루미늄 소재의 생산 공정
US4427640A (en)	1984-01-24	Sequential process for extraction and recovery of vanadium and uranium from wet process acids
DE102023205544A1 (de)	2023-12-21	Verfahren für die Co-Produktion von Eisenphosphat über ein Phosphatnitratdüngergerät, Produkt und System
EP0031460B1 (fr)	1984-09-12	Procédé d'extraction d'uranium ou de composés d'uranium à partir d'acide phosphorique
DE2645130A1 (de)	1977-04-14	Verfahren zur entfernung von angereichertem eisen aus di-(aethylhexyl)-phosphorsaeure enthaltenden organischen fluessig-fluessig-extrakten