DE69130179T2 - Entfernung von schweren metallen, insbesondere blei, aus wässerigen, konkurrierende ionen enthaltenden medien durch verwendung von amorphen zinn- und titaniumsilikaten - Google Patents
Entfernung von schweren metallen, insbesondere blei, aus wässerigen, konkurrierende ionen enthaltenden medien durch verwendung von amorphen zinn- und titaniumsilikatenInfo
- Publication number
- DE69130179T2 DE69130179T2 DE69130179T DE69130179T DE69130179T2 DE 69130179 T2 DE69130179 T2 DE 69130179T2 DE 69130179 T DE69130179 T DE 69130179T DE 69130179 T DE69130179 T DE 69130179T DE 69130179 T2 DE69130179 T2 DE 69130179T2
- Authority
- DE
- Germany
- Prior art keywords
- gel
- lead
- solution
- silicate
- titanium
- 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.)
- Expired - Lifetime
Links
- -1 TITANIUM SILICATES Chemical class 0.000 title claims abstract description 40
- 239000010936 titanium Substances 0.000 title claims abstract description 29
- 229910052719 titanium Inorganic materials 0.000 title claims abstract description 29
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 24
- 150000002500 ions Chemical class 0.000 title abstract description 62
- DYWNLSQWJMTVGJ-DKXTVVGFSA-N (1s,2s)-2-amino-1-phenylpropan-1-ol;hydron;chloride Chemical compound Cl.C[C@H](N)[C@@H](O)C1=CC=CC=C1 DYWNLSQWJMTVGJ-DKXTVVGFSA-N 0.000 title 1
- 239000012736 aqueous medium Substances 0.000 title 1
- 238000000034 method Methods 0.000 claims abstract description 57
- 239000011148 porous material Substances 0.000 claims abstract description 43
- 238000003795 desorption Methods 0.000 claims abstract description 23
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 21
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000007864 aqueous solution Substances 0.000 claims abstract description 14
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000011575 calcium Substances 0.000 claims abstract description 12
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 9
- 239000011651 chromium Substances 0.000 claims abstract description 9
- 229910052793 cadmium Inorganic materials 0.000 claims abstract description 7
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims abstract description 7
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052753 mercury Inorganic materials 0.000 claims abstract description 7
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000011701 zinc Substances 0.000 claims abstract description 5
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 5
- 229910052785 arsenic Inorganic materials 0.000 claims abstract 3
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims abstract 3
- 239000000243 solution Substances 0.000 claims description 128
- 239000000499 gel Substances 0.000 claims description 125
- GNKTZDSRQHMHLZ-UHFFFAOYSA-N [Si].[Si].[Si].[Ti].[Ti].[Ti].[Ti].[Ti] Chemical compound [Si].[Si].[Si].[Ti].[Ti].[Ti].[Ti].[Ti] GNKTZDSRQHMHLZ-UHFFFAOYSA-N 0.000 claims description 24
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 17
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 16
- 230000032683 aging Effects 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 15
- 239000004115 Sodium Silicate Substances 0.000 claims description 14
- 229910052710 silicon Inorganic materials 0.000 claims description 14
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 14
- 239000010703 silicon Substances 0.000 claims description 13
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 claims description 3
- 229910021626 Tin(II) chloride Inorganic materials 0.000 claims description 3
- 229910001424 calcium ion Inorganic materials 0.000 claims description 3
- 229910001425 magnesium ion Inorganic materials 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 32
- 239000002184 metal Substances 0.000 abstract description 32
- 230000001186 cumulative effect Effects 0.000 abstract description 14
- 229910052791 calcium Inorganic materials 0.000 abstract description 8
- 150000002739 metals Chemical class 0.000 abstract description 7
- 239000011777 magnesium Substances 0.000 abstract description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052749 magnesium Inorganic materials 0.000 abstract description 5
- 239000011133 lead Substances 0.000 description 122
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 93
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 57
- 238000005342 ion exchange Methods 0.000 description 55
- 239000008367 deionised water Substances 0.000 description 44
- 229910021641 deionized water Inorganic materials 0.000 description 43
- 239000000463 material Substances 0.000 description 36
- 238000012360 testing method Methods 0.000 description 27
- 239000003651 drinking water Substances 0.000 description 26
- 235000020188 drinking water Nutrition 0.000 description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 22
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 20
- 238000003756 stirring Methods 0.000 description 20
- 239000004743 Polypropylene Substances 0.000 description 19
- 229920001155 polypropylene Polymers 0.000 description 19
- 239000008399 tap water Substances 0.000 description 19
- 235000020679 tap water Nutrition 0.000 description 19
- RLJMLMKIBZAXJO-UHFFFAOYSA-N lead nitrate Chemical compound [O-][N+](=O)O[Pb]O[N+]([O-])=O RLJMLMKIBZAXJO-UHFFFAOYSA-N 0.000 description 18
- 238000009826 distribution Methods 0.000 description 15
- 239000000203 mixture Substances 0.000 description 14
- 230000015572 biosynthetic process Effects 0.000 description 13
- 238000003786 synthesis reaction Methods 0.000 description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 12
- 239000002245 particle Substances 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 11
- 229910052757 nitrogen Inorganic materials 0.000 description 11
- 239000011347 resin Substances 0.000 description 11
- 229920005989 resin Polymers 0.000 description 11
- 239000002351 wastewater Substances 0.000 description 11
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 10
- 239000001110 calcium chloride Substances 0.000 description 10
- 235000011148 calcium chloride Nutrition 0.000 description 10
- 229910001628 calcium chloride Inorganic materials 0.000 description 10
- 239000011521 glass Substances 0.000 description 10
- 239000007863 gel particle Substances 0.000 description 9
- 229910052914 metal silicate Inorganic materials 0.000 description 9
- 238000000746 purification Methods 0.000 description 9
- 230000008961 swelling Effects 0.000 description 9
- 238000001914 filtration Methods 0.000 description 8
- 239000003456 ion exchange resin Substances 0.000 description 8
- 229920003303 ion-exchange polymer Polymers 0.000 description 8
- 230000009103 reabsorption Effects 0.000 description 8
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 8
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 7
- 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 6
- 239000000377 silicon dioxide Substances 0.000 description 6
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 6
- 229920001429 chelating resin Polymers 0.000 description 5
- 239000002808 molecular sieve Substances 0.000 description 5
- 231100000331 toxic Toxicity 0.000 description 5
- 230000002588 toxic effect Effects 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 229910003243 Na2SiO3·9H2O Inorganic materials 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 150000001768 cations Chemical class 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910021645 metal ion Inorganic materials 0.000 description 4
- 229910044991 metal oxide Inorganic materials 0.000 description 4
- 150000004706 metal oxides Chemical class 0.000 description 4
- BBTXSTYZFZSWQW-UHFFFAOYSA-N niobium(5+);pentasilicate Chemical compound [Nb+5].[Nb+5].[Nb+5].[Nb+5].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] BBTXSTYZFZSWQW-UHFFFAOYSA-N 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 239000006228 supernatant Substances 0.000 description 4
- 229910003074 TiCl4 Inorganic materials 0.000 description 3
- 239000003463 adsorbent Substances 0.000 description 3
- 239000012670 alkaline solution Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 3
- 229910001410 inorganic ion Inorganic materials 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000010457 zeolite Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 235000013162 Cocos nucifera Nutrition 0.000 description 2
- 244000060011 Cocos nucifera Species 0.000 description 2
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- XIEPJMXMMWZAAV-UHFFFAOYSA-N cadmium nitrate Chemical compound [Cd+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XIEPJMXMMWZAAV-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- PHFQLYPOURZARY-UHFFFAOYSA-N chromium trinitrate Chemical compound [Cr+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O PHFQLYPOURZARY-UHFFFAOYSA-N 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 229910052735 hafnium Inorganic materials 0.000 description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 2
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 2
- RVPVRDXYQKGNMQ-UHFFFAOYSA-N lead(2+) Chemical group [Pb+2] RVPVRDXYQKGNMQ-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 239000010955 niobium Substances 0.000 description 2
- YHBDIEWMOMLKOO-UHFFFAOYSA-I pentachloroniobium Chemical compound Cl[Nb](Cl)(Cl)(Cl)Cl YHBDIEWMOMLKOO-UHFFFAOYSA-I 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 235000019795 sodium metasilicate Nutrition 0.000 description 2
- 238000004611 spectroscopical analysis Methods 0.000 description 2
- 239000011550 stock solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 231100000167 toxic agent Toxicity 0.000 description 2
- 239000003440 toxic substance Substances 0.000 description 2
- DUNKXUFBGCUVQW-UHFFFAOYSA-J zirconium tetrachloride Chemical compound Cl[Zr](Cl)(Cl)Cl DUNKXUFBGCUVQW-UHFFFAOYSA-J 0.000 description 2
- TXUICONDJPYNPY-UHFFFAOYSA-N (1,10,13-trimethyl-3-oxo-4,5,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl) heptanoate Chemical compound C1CC2CC(=O)C=C(C)C2(C)C2C1C1CCC(OC(=O)CCCCCC)C1(C)CC2 TXUICONDJPYNPY-UHFFFAOYSA-N 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010027439 Metal poisoning Diseases 0.000 description 1
- 229910004806 Na2 SiO3.9H2 O Inorganic materials 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229920002274 Nalgene Polymers 0.000 description 1
- 229910019804 NbCl5 Inorganic materials 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229920005372 Plexiglas® Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910010270 TiOCl2 Inorganic materials 0.000 description 1
- 229910021627 Tin(IV) chloride Inorganic materials 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 229910007932 ZrCl4 Inorganic materials 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- FUWMBNHWYXZLJA-UHFFFAOYSA-N [Si+4].[O-2].[Ti+4].[O-2].[O-2].[O-2] Chemical compound [Si+4].[O-2].[Ti+4].[O-2].[O-2].[O-2] FUWMBNHWYXZLJA-UHFFFAOYSA-N 0.000 description 1
- 230000009102 absorption Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical group 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- JGDITNMASUZKPW-UHFFFAOYSA-K aluminium trichloride hexahydrate Chemical compound O.O.O.O.O.O.Cl[Al](Cl)Cl JGDITNMASUZKPW-UHFFFAOYSA-K 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 235000012206 bottled water Nutrition 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000005341 cation exchange Methods 0.000 description 1
- 239000003729 cation exchange resin Substances 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- JIHMVMRETUQLFD-UHFFFAOYSA-N cerium(3+);dioxido(oxo)silane Chemical compound [Ce+3].[Ce+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O.[O-][Si]([O-])=O JIHMVMRETUQLFD-UHFFFAOYSA-N 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- RCJVRSBWZCNNQT-UHFFFAOYSA-N dichloridooxygen Chemical compound ClOCl RCJVRSBWZCNNQT-UHFFFAOYSA-N 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 231100000206 health hazard Toxicity 0.000 description 1
- 239000012456 homogeneous solution Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 208000008127 lead poisoning Diseases 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- LWJROJCJINYWOX-UHFFFAOYSA-L mercury dichloride Chemical compound Cl[Hg]Cl LWJROJCJINYWOX-UHFFFAOYSA-L 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 239000005300 metallic glass Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(II) nitrate Inorganic materials [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005180 public health Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000001119 stannous chloride Substances 0.000 description 1
- 235000011150 stannous chloride Nutrition 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Inorganic materials [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 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
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/08—Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/14—Base exchange silicates, e.g. zeolites
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
-
- 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
- C22B3/42—Treatment or purification of solutions, e.g. obtained by leaching by ion-exchange extraction
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/902—Materials removed
- Y10S210/911—Cumulative poison
- Y10S210/912—Heavy metal
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/902—Materials removed
- Y10S210/911—Cumulative poison
- Y10S210/912—Heavy metal
- Y10S210/913—Chromium
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/902—Materials removed
- Y10S210/911—Cumulative poison
- Y10S210/912—Heavy metal
- Y10S210/914—Mercury
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Geology (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Treatment Of Water By Ion Exchange (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Removal Of Specific Substances (AREA)
Claims (10)
1. Ein Verfahren zur Entfernung von Schwermetallen aus wäßrigen
Lösungen davon, die eines oder mehrere der Schwermetalle sowie
konkurrierende Calcium- und/oder Magnesiumionen enthalten, welches das
Inkontaktbringen der wäßrigen Lösung mit amorphen Gelen, ausgewählt aus
der Gruppe, bestehend aus Titansilicaten und Zinnsilicaten, die durch ein
Molverhältnis von Silicium zu Titan oder Zinn von 1 : 4 bis 1, 9 : 1 und ein
Desorptionsporenvolumen von etwa 0,03 bis etwa 0,25 Kubikzentimeter pro
Gramm gekennzeichnet sind, bis solche Schwermetalle im wesentlichen aus
der wäßrigen Lösung entfernt sind, umfaßt.
2. Das Verfahren nach Anspruch 1, bei dem das amorphe Gel
Titansilicat ist.
3. Das Verfahren nach Anspruch 1, bei dem das amorphe Gel
Zinnsilicat ist.
4. Das Verfahren nach Anspruch 2, bei dem die Schwermetalle
ausgewählt sind aus der Gruppe, bestehend aus Blei, Cadmium, Zink, Chrom,
Arsen und Quecksilber.
5. Das Verfahren nach Anspruch 3, bei dem die Schwermetalle
ausgewählt sind aus der Gruppe, bestehend aus Blei, Cadmium, Zink, Chrom,
Arsen und Quecksilber.
6. Ein Verfahren zur Entfernung von Schwermetallen aus wäßrigen
Lösungen davon, die eines oder mehrere der Schwermetalle sowie
konkurrierende Calcium- und/oder Magnesiumionen enthalten, welches das
Inkontaktbringen der wäßrigen Lösung mit einem amorphen Titansilicat-
oder Zinnsilicatgel, hergestellt durch die Umsetzung einer
Natriumsilicatlösung, welche eine Konzentration zwischen 0,05 und 1, 4 molar hat, mit
einer 0,3-3,5 molaren Lösung eines Titan- oder Zinnsalzes bei einem pH-
Wert von etwa 4 bis 9, um das amorphe Gel zu bilden, Altern des Gels,
Waschen und Trocknen des Gels, und Fortsetzen des Kontakts mit der
wäßrigen Schwermetallösung, bis solche Schwermetalle im wesentlichen aus
der wäßrigen Lösung entfernt sind, umfaßt.
7. Das Verfahren nach Anspruch 6, bei dem der pH-Wert 7 bis 8 ist.
8. Das Verfahren nach Anspruch 7, bei dem das Gel etwa 24 Stunden
und nicht länger als 96 Stunden gealtert wird.
9. Das Verfahren nach Anspruch 8, bei dem das amorphe Gel
Titansilicat ist.
10. Das Verfahren nach Anspruch 8, bei dem das amorphe Gel
Zinnsilicat ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/625,731 US5053139A (en) | 1990-12-04 | 1990-12-04 | Removal of heavy metals, especially lead, from aqueous systems containing competing ions utilizing amorphous tin and titanium silicates |
| PCT/US1991/005027 WO1992010292A1 (en) | 1990-12-04 | 1991-07-17 | The removal of heavy metals, especially lead, from aqueous systems containing competing ions utilizing amorphous tin and titanium silicates |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69130179D1 DE69130179D1 (de) | 1998-10-15 |
| DE69130179T2 true DE69130179T2 (de) | 1999-05-20 |
Family
ID=24507325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69130179T Expired - Lifetime DE69130179T2 (de) | 1990-12-04 | 1991-07-17 | Entfernung von schweren metallen, insbesondere blei, aus wässerigen, konkurrierende ionen enthaltenden medien durch verwendung von amorphen zinn- und titaniumsilikaten |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US5053139A (de) |
| EP (1) | EP0561998B1 (de) |
| JP (1) | JP3199733B2 (de) |
| KR (1) | KR0167368B1 (de) |
| AT (1) | ATE170776T1 (de) |
| AU (1) | AU8915691A (de) |
| CA (1) | CA2097728C (de) |
| DE (1) | DE69130179T2 (de) |
| MX (1) | MX9100320A (de) |
| WO (1) | WO1992010292A1 (de) |
| ZA (1) | ZA915661B (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004010802B4 (de) * | 2004-03-05 | 2014-12-11 | Peter Greven GmbH & Co KG | Verfahren zur Herstellung von epoxidierten Oleochemikalien |
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|---|---|---|---|---|
| US5192519A (en) * | 1987-09-01 | 1993-03-09 | Exxon Research And Engineering Company | Substituted stannosilicates and preparation thereof |
| US6635796B2 (en) | 1990-03-16 | 2003-10-21 | Sevenson Environmental Services, Inc. | Reduction of leachability and solubility of radionuclides and radioactive substances in contaminated soils and materials |
| US5527982A (en) * | 1990-03-16 | 1996-06-18 | Sevenson Environmental Services, Inc. | Fixation and stabilization of metals in contaminated materials |
| US5232629A (en) * | 1991-04-24 | 1993-08-03 | Calgon Corporation | Synergistic combination of sodium silicate and ortho-phosphate for controlling carbon steel corrosion |
| US5277931A (en) * | 1992-08-21 | 1994-01-11 | Engelhard Corporation | Composite ion-exchange material, preparation and use thereof |
| US5286464A (en) * | 1993-06-14 | 1994-02-15 | Nalco Chemical Company | Silica gel ion exchange resins for the selective removal of lead and cadmium ions from aqueous liquids |
| US5397478A (en) * | 1993-08-13 | 1995-03-14 | Sevenson Environmental Services, Inc. | Fixation and stabilization of chromium in contaminated materials |
| US5795555A (en) * | 1994-11-24 | 1998-08-18 | Alive; Keshavaraja | Micro-meso porous amorphous titanium silicates and a process for preparing the same |
| US5665240A (en) * | 1995-03-24 | 1997-09-09 | University Of Utah | Point-of-use removal of lead in drinking water using phosphate and carbonate minerals |
| US5639550A (en) * | 1995-06-21 | 1997-06-17 | Specialty Media Corporation | Composite particulate material and process for preparing same |
| WO1998036830A1 (en) * | 1997-02-21 | 1998-08-27 | Engelhard Corporation | Composite material based on zeolite and active carbon, preparation and use thereof in water treatment |
| US6183650B1 (en) * | 1998-05-04 | 2001-02-06 | Minerals Technologies Inc. | Synthetic mineral microparticles and retention aid and water treatment systems and methods using such particles |
| WO2000001459A1 (en) * | 1998-07-07 | 2000-01-13 | Kx Industries, L.P. | Small diameter water stable zeolite composite useful as an ion exchange material |
| JP5298397B2 (ja) * | 2001-04-03 | 2013-09-25 | 東レ株式会社 | 水処理装置 |
| GB2381693B (en) * | 2001-11-01 | 2004-07-14 | Zarlink Semiconductor Ltd | Automatic masking of interrupts |
| US7473369B2 (en) * | 2002-02-14 | 2009-01-06 | The Trustees Of The Stevens Institute Of Technology | Methods of preparing a surface-activated titanium oxide product and of using same in water treatment processes |
| US6919029B2 (en) * | 2002-02-14 | 2005-07-19 | Trustees Of Stevens Institute Of Technology | Methods of preparing a surface-activated titanium oxide product and of using same in water treatment processes |
| US6800204B2 (en) * | 2002-02-15 | 2004-10-05 | Clear Water Filtration Systems | Composition and process for removing arsenic and selenium from aqueous solution |
| US6849187B2 (en) | 2002-12-10 | 2005-02-01 | Engelhard Corporation | Arsenic removal media |
| US6863825B2 (en) | 2003-01-29 | 2005-03-08 | Union Oil Company Of California | Process for removing arsenic from aqueous streams |
| EP1670719A1 (de) * | 2003-05-15 | 2006-06-21 | RAJU, Kanumuru Rahul | Funktionelle übergangsmetallsilikate (ftms) |
| WO2005041657A1 (en) * | 2003-10-20 | 2005-05-12 | Framework Therapeutics, L.L.C. | Zeolite molecular sieves for the removal of toxins |
| US7338603B1 (en) | 2005-07-27 | 2008-03-04 | Molycorp, Inc. | Process using rare earths to remove oxyanions from aqueous streams |
| US20080047902A1 (en) | 2006-08-28 | 2008-02-28 | Basf Catalysts Llc | Media for the removal of heavy metals and volatile byproducts from drinking water |
| RU2330816C2 (ru) * | 2006-10-02 | 2008-08-10 | Открытое Акционерное Общество "Корпорация Всмпо-Ависма" | Способ очистки сточных вод титаномагниевого производства |
| US8066874B2 (en) | 2006-12-28 | 2011-11-29 | Molycorp Minerals, Llc | Apparatus for treating a flow of an aqueous solution containing arsenic |
| US8252087B2 (en) | 2007-10-31 | 2012-08-28 | Molycorp Minerals, Llc | Process and apparatus for treating a gas containing a contaminant |
| US8349764B2 (en) | 2007-10-31 | 2013-01-08 | Molycorp Minerals, Llc | Composition for treating a fluid |
| RU2380324C1 (ru) * | 2008-08-20 | 2010-01-27 | Федеральное государственное учреждение "Государственный научно-исследовательский институт промышленной экологии" (ФГУ "ГосНИИЭНП") | Способ очистки сточных вод от ионов свинца |
| JP5516938B2 (ja) * | 2009-02-26 | 2014-06-11 | アイシン精機株式会社 | 弁開閉時期制御装置 |
| WO2010101991A1 (en) * | 2009-03-04 | 2010-09-10 | Basf Se | Method of removing heavy metal from an aqueous solution |
| JP2010227868A (ja) * | 2009-03-27 | 2010-10-14 | Kochi Univ | 除去剤およびその除去方法 |
| KR20140007795A (ko) * | 2010-09-13 | 2014-01-20 | 발레 에스.에이. | 제올라이트를 이용하여 미네랄 처리 플랜트의 공정 용수 또는 기타 스트림으로부터 유기 화학물질 및 유기금속 착물을 제거하기 위한 방법 |
| US9233863B2 (en) | 2011-04-13 | 2016-01-12 | Molycorp Minerals, Llc | Rare earth removal of hydrated and hydroxyl species |
| MY169859A (en) * | 2011-10-13 | 2019-05-23 | Basf Corp | Process for making esters |
| US8883216B2 (en) | 2012-08-27 | 2014-11-11 | Red Lion Chem Tech, Llc | Methods and ceramic nanoparticle compositions for heavy metal removal and for oral delivery of desirable agents |
| RU2664939C2 (ru) * | 2013-01-09 | 2018-08-23 | Басф Корпорейшн | Ионообменные материалы, селективные к стронцию и цезию |
| JP6272986B2 (ja) * | 2013-04-11 | 2018-01-31 | ビーエーエスエフ コーポレーション | スズ酸ケイ酸チタン、その製造法及びその使用 |
| TWI647178B (zh) * | 2013-04-17 | 2019-01-11 | 美商巴斯夫公司 | 第４族金屬矽酸鹽的製備方法及其用途 |
| US9975787B2 (en) | 2014-03-07 | 2018-05-22 | Secure Natural Resources Llc | Removal of arsenic from aqueous streams with cerium (IV) oxide compositions |
| KR101721152B1 (ko) | 2016-08-18 | 2017-03-31 | 주식회사 이맥스아이엔시 | 순수 황산나트륨을 이용한 폐수 중 중금속이온 제거방법 |
| US11484875B2 (en) * | 2019-07-09 | 2022-11-01 | Uop Llc | Process for removing mercury ions from bodily fluids using titanium metallate ion exchange compositions |
| US11577014B2 (en) | 2019-07-09 | 2023-02-14 | Uop Llc | Process for removing strontium ions from bodily fluids using metallate ion exchange compositions |
| US11964266B2 (en) | 2019-07-09 | 2024-04-23 | Uop Llc | Process for removing cobalt, lead, cadmium and chromium ions from bodily fluids using metallate ion exchange compositions |
| US11865597B2 (en) | 2019-08-23 | 2024-01-09 | Seed Health Inc. | Method for bioremediation of lead |
| US20220096962A1 (en) * | 2020-09-30 | 2022-03-31 | Uop Llc | Process for removing lead, mercury, potassium, and ammonium ions from bodily fluids using rare-earth silicate ion exchange compositions |
| JP7756019B2 (ja) * | 2022-02-25 | 2025-10-17 | 株式会社シナネンゼオミック | 重金属吸着剤 |
| WO2023215755A2 (en) * | 2022-05-03 | 2023-11-09 | Graver Technologies Llc | Sorbent for removal of ions from liquid streams and method of making the same |
| KR102556598B1 (ko) | 2022-08-22 | 2023-07-17 | 시나넨 제오믹 가부시키가이샤 | 중금속 흡착제, 정수재 및 중금속 흡착제의 제조 방법 |
| CN116889857B (zh) * | 2023-07-11 | 2024-04-02 | 四川农业大学 | 原位选择性监测铅有效态的薄膜梯度扩散方法 |
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|---|---|---|---|---|
| US1584716A (en) * | 1924-10-01 | 1926-05-18 | Internat Filter Co | Adsorbent material and process of making same |
| US2165578A (en) * | 1935-04-29 | 1939-07-11 | Johns Manville | Hydrous silicate gel and method of making the same |
| US2653089A (en) * | 1949-11-07 | 1953-09-22 | Phillips Petroleum Co | Recovery of heavy metals |
| US4711718A (en) * | 1987-01-20 | 1987-12-08 | Sanitech, Inc. | Ion-selective water filter |
| US4746439A (en) * | 1987-05-15 | 1988-05-24 | Manville Corporation | Process for removal of heavy metal contamination in waste water |
| EP0372132B1 (de) * | 1988-12-06 | 1993-01-13 | Engelhard Corporation | Kleinporige kristalline Titan-Molekularsieb-Zeolithen |
| US4994191A (en) * | 1989-10-10 | 1991-02-19 | Engelhard Corporation | Removal of heavy metals, especially lead, from aqueous systems containing competing ions utilizing wide-pored molecular sieves of the ETS-10 type |
-
1990
- 1990-12-04 US US07/625,731 patent/US5053139A/en not_active Expired - Lifetime
-
1991
- 1991-07-17 AT AT92902570T patent/ATE170776T1/de not_active IP Right Cessation
- 1991-07-17 AU AU89156/91A patent/AU8915691A/en not_active Abandoned
- 1991-07-17 KR KR1019930701601A patent/KR0167368B1/ko not_active Expired - Lifetime
- 1991-07-17 DE DE69130179T patent/DE69130179T2/de not_active Expired - Lifetime
- 1991-07-17 WO PCT/US1991/005027 patent/WO1992010292A1/en not_active Ceased
- 1991-07-17 EP EP92902570A patent/EP0561998B1/de not_active Expired - Lifetime
- 1991-07-17 CA CA002097728A patent/CA2097728C/en not_active Expired - Lifetime
- 1991-07-17 JP JP50061592A patent/JP3199733B2/ja not_active Expired - Lifetime
- 1991-07-18 ZA ZA915661A patent/ZA915661B/xx unknown
- 1991-07-22 MX MX9100320A patent/MX9100320A/es not_active Application Discontinuation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004010802B4 (de) * | 2004-03-05 | 2014-12-11 | Peter Greven GmbH & Co KG | Verfahren zur Herstellung von epoxidierten Oleochemikalien |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2097728A1 (en) | 1992-06-05 |
| JP3199733B2 (ja) | 2001-08-20 |
| EP0561998A1 (de) | 1993-09-29 |
| EP0561998B1 (de) | 1998-09-09 |
| MX9100320A (es) | 1992-08-10 |
| CA2097728C (en) | 2002-10-08 |
| WO1992010292A1 (en) | 1992-06-25 |
| ZA915661B (en) | 1992-05-27 |
| KR0167368B1 (ko) | 1999-01-15 |
| DE69130179D1 (de) | 1998-10-15 |
| US5053139A (en) | 1991-10-01 |
| AU8915691A (en) | 1992-07-08 |
| ATE170776T1 (de) | 1998-09-15 |
| JPH06504714A (ja) | 1994-06-02 |
| KR930703209A (ko) | 1993-11-29 |
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