DE2802642C2 - - Google Patents
Info
- Publication number
- DE2802642C2 DE2802642C2 DE2802642A DE2802642A DE2802642C2 DE 2802642 C2 DE2802642 C2 DE 2802642C2 DE 2802642 A DE2802642 A DE 2802642A DE 2802642 A DE2802642 A DE 2802642A DE 2802642 C2 DE2802642 C2 DE 2802642C2
- Authority
- DE
- Germany
- Prior art keywords
- resin
- groups
- amount
- meq
- basic
- 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
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 30
- 150000001450 anions Chemical class 0.000 claims description 29
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 18
- 239000000243 solution Substances 0.000 claims description 17
- 239000000377 silicon dioxide Substances 0.000 claims description 15
- 229920001577 copolymer Polymers 0.000 claims description 12
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 238000004132 cross linking Methods 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 4
- 125000001453 quaternary ammonium group Chemical group 0.000 claims description 3
- 239000004021 humic acid Substances 0.000 claims description 2
- 125000000524 functional group Chemical group 0.000 claims 1
- 125000001302 tertiary amino group Chemical group 0.000 claims 1
- 239000011347 resin Substances 0.000 description 62
- 229920005989 resin Polymers 0.000 description 62
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 18
- 239000000203 mixture Substances 0.000 description 18
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 16
- 239000000047 product Substances 0.000 description 14
- 230000008929 regeneration Effects 0.000 description 14
- 238000011069 regeneration method Methods 0.000 description 14
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 12
- 239000012458 free base Substances 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 11
- 238000002360 preparation method Methods 0.000 description 10
- 230000008961 swelling Effects 0.000 description 10
- 239000004793 Polystyrene Substances 0.000 description 9
- 239000002253 acid Substances 0.000 description 9
- 150000007513 acids Chemical class 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 229920000642 polymer Polymers 0.000 description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 8
- 238000003756 stirring Methods 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 6
- 238000007265 chloromethylation reaction Methods 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- 238000006116 polymerization reaction Methods 0.000 description 6
- 235000011121 sodium hydroxide Nutrition 0.000 description 6
- 238000010557 suspension polymerization reaction Methods 0.000 description 6
- 230000001588 bifunctional effect Effects 0.000 description 5
- HRQGCQVOJVTVLU-UHFFFAOYSA-N bis(chloromethyl) ether Chemical compound ClCOCCl HRQGCQVOJVTVLU-UHFFFAOYSA-N 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 5
- 239000011541 reaction mixture Substances 0.000 description 5
- -1 silica Chemical class 0.000 description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 4
- 238000005576 amination reaction Methods 0.000 description 4
- 239000011324 bead Substances 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 4
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 3
- DBCAQXHNJOFNGC-UHFFFAOYSA-N 4-bromo-1,1,1-trifluorobutane Chemical compound FC(F)(F)CCCBr DBCAQXHNJOFNGC-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000005115 demineralization Methods 0.000 description 3
- 230000002328 demineralizing effect Effects 0.000 description 3
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Substances CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 description 3
- 238000011068 loading method Methods 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 150000003839 salts Chemical group 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 2
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 2
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical group NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000004042 decolorization Methods 0.000 description 2
- 125000005265 dialkylamine group Chemical group 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 235000017550 sodium carbonate Nutrition 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 150000003512 tertiary amines Chemical class 0.000 description 2
- 235000005074 zinc chloride Nutrition 0.000 description 2
- 239000011592 zinc chloride Substances 0.000 description 2
- WVAFEFUPWRPQSY-UHFFFAOYSA-N 1,2,3-tris(ethenyl)benzene Chemical compound C=CC1=CC=CC(C=C)=C1C=C WVAFEFUPWRPQSY-UHFFFAOYSA-N 0.000 description 1
- YKKDJUGGSDWUKX-UHFFFAOYSA-N 1,2-bis(ethenyl)-3-ethylbenzene Chemical compound CCC1=CC=CC(C=C)=C1C=C YKKDJUGGSDWUKX-UHFFFAOYSA-N 0.000 description 1
- LYCAIKOWRPUZTN-NMQOAUCRSA-N 1,2-dideuteriooxyethane Chemical compound [2H]OCCO[2H] LYCAIKOWRPUZTN-NMQOAUCRSA-N 0.000 description 1
- FRIBMENBGGCKPD-UHFFFAOYSA-N 3-(2,3-dimethoxyphenyl)prop-2-enal Chemical compound COC1=CC=CC(C=CC=O)=C1OC FRIBMENBGGCKPD-UHFFFAOYSA-N 0.000 description 1
- 239000004342 Benzoyl peroxide Substances 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 239000004971 Cross linker Substances 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-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
- YIVJZNGAASQVEM-UHFFFAOYSA-N Lauroyl peroxide Chemical compound CCCCCCCCCCCC(=O)OOC(=O)CCCCCCCCCCC YIVJZNGAASQVEM-UHFFFAOYSA-N 0.000 description 1
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 1
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- 150000001350 alkyl halides Chemical class 0.000 description 1
- 230000002152 alkylating effect Effects 0.000 description 1
- 239000003957 anion exchange resin Substances 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- HPXRVTGHNJAIIH-UHFFFAOYSA-N cyclohexanol Chemical compound OC1CCCCC1 HPXRVTGHNJAIIH-UHFFFAOYSA-N 0.000 description 1
- 229960002887 deanol Drugs 0.000 description 1
- 150000008050 dialkyl sulfates Chemical class 0.000 description 1
- VAYGXNSJCAHWJZ-UHFFFAOYSA-N dimethyl sulfate Chemical compound COS(=O)(=O)OC VAYGXNSJCAHWJZ-UHFFFAOYSA-N 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- FFYWKOUKJFCBAM-UHFFFAOYSA-N ethenyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC=C FFYWKOUKJFCBAM-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 125000004005 formimidoyl group Chemical group [H]\N=C(/[H])* 0.000 description 1
- 229940083124 ganglion-blocking antiadrenergic secondary and tertiary amines Drugs 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
- 239000003999 initiator Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 229920006216 polyvinyl aromatic Polymers 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- LFAGQMCIGQNPJG-UHFFFAOYSA-N silver cyanide Chemical compound [Ag+].N#[C-] LFAGQMCIGQNPJG-UHFFFAOYSA-N 0.000 description 1
- 229940098221 silver cyanide Drugs 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000012453 solvate Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 125000005270 trialkylamine group Chemical group 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- 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
- B01J41/00—Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties
- B01J41/04—Processes using organic exchangers
- B01J41/05—Processes using organic exchangers in the strongly basic form
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Treatment Of Water By Ion Exchange (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7700763A NL7700763A (nl) | 1977-01-26 | 1977-01-26 | Werkwijze ter verwijdering van silica uit een waterige oplossing. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2802642A1 DE2802642A1 (de) | 1978-07-27 |
| DE2802642C2 true DE2802642C2 (en, 2012) | 1989-11-09 |
Family
ID=19827843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19782802642 Granted DE2802642A1 (de) | 1977-01-26 | 1978-01-21 | Verfahren zur entfernung einer schwachen saeure aus einer waessrigen loesung |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4177140A (en, 2012) |
| JP (1) | JPS5394288A (en, 2012) |
| BE (1) | BE863285A (en, 2012) |
| CA (1) | CA1095190A (en, 2012) |
| DE (1) | DE2802642A1 (en, 2012) |
| FR (1) | FR2378559A1 (en, 2012) |
| GB (1) | GB1567719A (en, 2012) |
| IT (1) | IT1092354B (en, 2012) |
| NL (1) | NL7700763A (en, 2012) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4372932A (en) * | 1978-05-18 | 1983-02-08 | Union Oil Company Of California | Process for removing SOx and NOx compounds from gas streams |
| DE3001856A1 (de) * | 1980-01-19 | 1981-07-23 | Bayer Ag, 5090 Leverkusen | Anionenaustauscher, verfahren zu ihrer herstellung und ihre verwendung |
| US4597954A (en) * | 1980-05-21 | 1986-07-01 | Union Oil Company Of California | Process for removing sox and nox compounds from gas streams |
| US4448899A (en) * | 1980-05-21 | 1984-05-15 | Union Oil Company Of California | Process for removing SOx and NOx compounds from gas streams |
| US4675169A (en) * | 1980-05-21 | 1987-06-23 | Union Oil Company Of California | Process for removing sox and nox compounds from gas streams |
| US4804522A (en) * | 1980-05-21 | 1989-02-14 | Union Oil Company Of California | Process for removing SOx and NOx compounds from gas streams |
| US4347227A (en) * | 1981-03-11 | 1982-08-31 | Union Oil Company Of California | Process for removing SOx and NOx compounds from gas streams |
| GB2166140B (en) * | 1984-10-27 | 1989-06-07 | Ion Exchange | Novel adsorbents for use in the purification of water and other chemicals and a process for preparing same |
| JP2580117B2 (ja) * | 1985-12-18 | 1997-02-12 | ソニー株式会社 | 再生装置における音場拡大装置 |
| US4684667A (en) * | 1986-04-21 | 1987-08-04 | The Dow Chemical Company | Tertiary amine resins and use thereof |
| JPH0822381B2 (ja) * | 1986-08-20 | 1996-03-06 | 東京有機化学工業株式会社 | 弱塩基性陰イオン交換樹脂の製造方法 |
| US4785020A (en) * | 1987-01-12 | 1988-11-15 | The Dow Chemical Company | Method for preparation of anion exchange resins having very low chlorine content |
| DE3824266A1 (de) * | 1988-07-16 | 1990-01-18 | Bayer Ag | Verfahren zur herstellung von bifunktionellen anionenaustauschharzen, neue bifunktionelle anionenaustauschharze und ihre verwendung |
| BR9904682A (pt) * | 1999-02-24 | 2000-09-26 | Conselho Nacional De Desenvolv | Copolìmero de estireno e divinilbenzeno funcionalizado com elevado grau de grupamentos amino-metìlicos (epm-1) e sua utilização como novo tipo de resina trocadora aniÈnica |
| CN101039744B (zh) * | 2004-08-13 | 2010-05-05 | 麦克马斯特大学 | 包含非交联的胶凝聚合物的复合材料 |
| WO2017095686A1 (en) * | 2015-12-01 | 2017-06-08 | Dow Global Technologies Llc | Chromatographic separation of organic acids using resin having strong and weak base anion exchange capacity |
| WO2018200624A1 (en) * | 2017-04-28 | 2018-11-01 | Dow Global Technologies Llc | Functional resin particles |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2503769A (en) * | 1945-04-14 | 1950-04-11 | Dorr Co | Process for removing silica from water |
| US2664441A (en) * | 1951-07-19 | 1953-12-29 | Harry S Owens | Separation of organic acids |
| US2840533A (en) * | 1954-05-20 | 1958-06-24 | Rohm & Haas | Anion-exchange resins containing weakly and strongly basic functional groups |
| US3001868A (en) * | 1957-02-19 | 1961-09-26 | Nat Res Dev | Recovery of metals from cyanide solution by anion exchange |
| GB954435A (en) * | 1960-08-25 | 1964-04-08 | Nat Res Dev | Anion exchange resins for the recovery of gold and silver from gold and silver bearing aqueous cyanide liquors |
| US3197401A (en) * | 1963-12-27 | 1965-07-27 | Rohm & Haas | Method for regenerating weakly basic anion exchange resin |
-
1977
- 1977-01-26 NL NL7700763A patent/NL7700763A/xx not_active Application Discontinuation
-
1978
- 1978-01-18 GB GB2065/78A patent/GB1567719A/en not_active Expired
- 1978-01-21 DE DE19782802642 patent/DE2802642A1/de active Granted
- 1978-01-25 CA CA295,629A patent/CA1095190A/en not_active Expired
- 1978-01-25 FR FR7802013A patent/FR2378559A1/fr active Granted
- 1978-01-25 JP JP712778A patent/JPS5394288A/ja active Granted
- 1978-01-25 BE BE184608A patent/BE863285A/xx not_active IP Right Cessation
- 1978-01-26 IT IT19672/78A patent/IT1092354B/it active
- 1978-01-27 US US05/872,843 patent/US4177140A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| BE863285A (fr) | 1978-05-16 |
| FR2378559B1 (en, 2012) | 1982-04-23 |
| IT7819672A0 (it) | 1978-01-26 |
| NL7700763A (nl) | 1978-07-28 |
| JPS5394288A (en) | 1978-08-18 |
| IT1092354B (it) | 1985-07-12 |
| JPS6243755B2 (en, 2012) | 1987-09-16 |
| DE2802642A1 (de) | 1978-07-27 |
| FR2378559A1 (fr) | 1978-08-25 |
| US4177140A (en) | 1979-12-04 |
| CA1095190A (en) | 1981-02-03 |
| GB1567719A (en) | 1980-05-21 |
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