DE2508246A1 - Verfahren zur entfernung wasserloeslicher ionischer verbindungen aus waessrigen loesungen mittels ultrafiltration - Google Patents
Verfahren zur entfernung wasserloeslicher ionischer verbindungen aus waessrigen loesungen mittels ultrafiltrationInfo
- Publication number
- DE2508246A1 DE2508246A1 DE19752508246 DE2508246A DE2508246A1 DE 2508246 A1 DE2508246 A1 DE 2508246A1 DE 19752508246 DE19752508246 DE 19752508246 DE 2508246 A DE2508246 A DE 2508246A DE 2508246 A1 DE2508246 A1 DE 2508246A1
- Authority
- DE
- Germany
- Prior art keywords
- water
- soluble
- anionic
- cationic
- ionic compounds
- 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.)
- Withdrawn
Links
- 150000008040 ionic compounds Chemical class 0.000 title claims description 26
- 238000000034 method Methods 0.000 title claims description 22
- 238000000108 ultra-filtration Methods 0.000 title claims description 12
- 150000003839 salts Chemical class 0.000 claims description 36
- 239000000975 dye Substances 0.000 claims description 22
- 239000012528 membrane Substances 0.000 claims description 22
- 125000000129 anionic group Chemical group 0.000 claims description 17
- 239000007864 aqueous solution Substances 0.000 claims description 16
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 15
- 125000002091 cationic group Chemical group 0.000 claims description 15
- -1 aromatic sulfonic acids Chemical class 0.000 claims description 9
- 239000007859 condensation product Substances 0.000 claims description 7
- 238000004043 dyeing Methods 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 150000007513 acids Chemical class 0.000 claims description 4
- 150000003856 quaternary ammonium compounds Chemical class 0.000 claims description 4
- 239000004094 surface-active agent Substances 0.000 claims description 4
- 239000002351 wastewater Substances 0.000 claims description 4
- 150000001449 anionic compounds Chemical class 0.000 claims description 3
- 150000001767 cationic compounds Chemical class 0.000 claims description 3
- 239000008139 complexing agent Substances 0.000 claims description 3
- 229920002125 Sokalan® Polymers 0.000 claims description 2
- 229910021645 metal ion Inorganic materials 0.000 claims description 2
- 229920000172 poly(styrenesulfonic acid) Polymers 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 150000004696 coordination complex Chemical class 0.000 claims 1
- 239000004584 polyacrylic acid Substances 0.000 claims 1
- 239000000243 solution Substances 0.000 description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 5
- 239000012466 permeate Substances 0.000 description 5
- 239000000981 basic dye Substances 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000000985 reactive dye Substances 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- ZAMLGGRVTAXBHI-UHFFFAOYSA-N 3-(4-bromophenyl)-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid Chemical compound CC(C)(C)OC(=O)NC(CC(O)=O)C1=CC=C(Br)C=C1 ZAMLGGRVTAXBHI-UHFFFAOYSA-N 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 2
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 150000003863 ammonium salts Chemical class 0.000 description 2
- 239000003945 anionic surfactant Substances 0.000 description 2
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 2
- 150000004056 anthraquinones Chemical class 0.000 description 2
- 239000000987 azo dye Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 description 2
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 description 2
- YSVBPNGJESBVRM-UHFFFAOYSA-L disodium;4-[(1-oxido-4-sulfonaphthalen-2-yl)diazenyl]naphthalene-1-sulfonate Chemical compound [Na+].[Na+].C1=CC=C2C(N=NC3=C(C4=CC=CC=C4C(=C3)S([O-])(=O)=O)O)=CC=C(S([O-])(=O)=O)C2=C1 YSVBPNGJESBVRM-UHFFFAOYSA-L 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical compound C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229920002492 poly(sulfone) Polymers 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- NTOOJLUHUFUGQI-UHFFFAOYSA-M sodium;4-(4-acetamidoanilino)-1-amino-9,10-dioxoanthracene-2-sulfonate Chemical compound [Na+].C1=CC(NC(=O)C)=CC=C1NC1=CC(S([O-])(=O)=O)=C(N)C2=C1C(=O)C1=CC=CC=C1C2=O NTOOJLUHUFUGQI-UHFFFAOYSA-M 0.000 description 2
- WNQPPENQFWLADQ-UHFFFAOYSA-J tetrasodium;4-hydroxy-5-[[4-[[4-[(8-hydroxy-3,6-disulfonatonaphthalen-1-yl)diazenyl]-2-methoxy-5-methylphenyl]carbamoylamino]-5-methoxy-2-methylphenyl]diazenyl]naphthalene-2,7-disulfonate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]S(=O)(=O)C1=CC(O)=C2C(N=NC3=C(C)C=C(C(=C3)OC)NC(=O)NC3=CC(C)=C(N=NC=4C5=C(O)C=C(C=C5C=C(C=4)S([O-])(=O)=O)S([O-])(=O)=O)C=C3OC)=CC(S([O-])(=O)=O)=CC2=C1 WNQPPENQFWLADQ-UHFFFAOYSA-J 0.000 description 2
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 1
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical group ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 1
- FFRBMBIXVSCUFS-UHFFFAOYSA-N 2,4-dinitro-1-naphthol Chemical compound C1=CC=C2C(O)=C([N+]([O-])=O)C=C([N+]([O-])=O)C2=C1 FFRBMBIXVSCUFS-UHFFFAOYSA-N 0.000 description 1
- MGADZUXDNSDTHW-UHFFFAOYSA-N 2H-pyran Chemical class C1OC=CC=C1 MGADZUXDNSDTHW-UHFFFAOYSA-N 0.000 description 1
- BCHZICNRHXRCHY-UHFFFAOYSA-N 2h-oxazine Chemical compound N1OC=CC=C1 BCHZICNRHXRCHY-UHFFFAOYSA-N 0.000 description 1
- AGIJRRREJXSQJR-UHFFFAOYSA-N 2h-thiazine Chemical compound N1SC=CC=C1 AGIJRRREJXSQJR-UHFFFAOYSA-N 0.000 description 1
- BTXXTMOWISPQSJ-UHFFFAOYSA-N 4,4,4-trifluorobutan-2-one Chemical compound CC(=O)CC(F)(F)F BTXXTMOWISPQSJ-UHFFFAOYSA-N 0.000 description 1
- BQACOLQNOUYJCE-FYZZASKESA-N Abietic acid Natural products CC(C)C1=CC2=CC[C@]3(C)[C@](C)(CCC[C@@]3(C)C(=O)O)[C@H]2CC1 BQACOLQNOUYJCE-FYZZASKESA-N 0.000 description 1
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- PJANXHGTPQOBST-VAWYXSNFSA-N Stilbene Natural products C=1C=CC=CC=1/C=C/C1=CC=CC=C1 PJANXHGTPQOBST-VAWYXSNFSA-N 0.000 description 1
- RFQSMLBZXQOMKK-UHFFFAOYSA-N [3-[(4,8-diamino-6-bromo-1,5-dioxonaphthalen-2-yl)amino]phenyl]-trimethylazanium;chloride Chemical compound [Cl-].C[N+](C)(C)C1=CC=CC(NC=2C(C3=C(N)C=C(Br)C(=O)C3=C(N)C=2)=O)=C1 RFQSMLBZXQOMKK-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 230000029936 alkylation Effects 0.000 description 1
- 238000005804 alkylation reaction Methods 0.000 description 1
- 125000004103 aminoalkyl group Chemical group 0.000 description 1
- 229960002684 aminocaproic acid Drugs 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000001000 anthraquinone dye Substances 0.000 description 1
- 125000000751 azo group Chemical group [*]N=N[*] 0.000 description 1
- SRSXLGNVWSONIS-UHFFFAOYSA-N benzenesulfonic acid Chemical class OS(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-N 0.000 description 1
- 125000006297 carbonyl amino group Chemical group [H]N([*:2])C([*:1])=O 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 125000002843 carboxylic acid group Chemical group 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- OIQPTROHQCGFEF-UHFFFAOYSA-L chembl1371409 Chemical compound [Na+].[Na+].OC1=CC=C2C=C(S([O-])(=O)=O)C=CC2=C1N=NC1=CC=C(S([O-])(=O)=O)C=C1 OIQPTROHQCGFEF-UHFFFAOYSA-L 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- 125000000332 coumarinyl group Chemical class O1C(=O)C(=CC2=CC=CC=C12)* 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- CZZYITDELCSZES-UHFFFAOYSA-N diphenylmethane Chemical compound C=1C=CC=CC=1CC1=CC=CC=C1 CZZYITDELCSZES-UHFFFAOYSA-N 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- FPVGTPBMTFTMRT-UHFFFAOYSA-L disodium;2-amino-5-[(4-sulfonatophenyl)diazenyl]benzenesulfonate Chemical compound [Na+].[Na+].C1=C(S([O-])(=O)=O)C(N)=CC=C1N=NC1=CC=C(S([O-])(=O)=O)C=C1 FPVGTPBMTFTMRT-UHFFFAOYSA-L 0.000 description 1
- HOSFCSQXJQXSIQ-ZPZFBZIMSA-L disodium;5-[(4,6-dianilino-1,3,5-triazin-2-yl)amino]-2-[(e)-2-[4-[(4,6-dianilino-1,3,5-triazin-2-yl)amino]-2-sulfonatophenyl]ethenyl]benzenesulfonate Chemical compound [Na+].[Na+].C=1C=C(\C=C\C=2C(=CC(NC=3N=C(NC=4C=CC=CC=4)N=C(NC=4C=CC=CC=4)N=3)=CC=2)S([O-])(=O)=O)C(S(=O)(=O)[O-])=CC=1NC(N=C(NC=1C=CC=CC=1)N=1)=NC=1NC1=CC=CC=C1 HOSFCSQXJQXSIQ-ZPZFBZIMSA-L 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000019233 fast yellow AB Nutrition 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 150000002357 guanidines Chemical class 0.000 description 1
- ZRALSGWEFCBTJO-UHFFFAOYSA-O guanidinium Chemical compound NC(N)=[NH2+] ZRALSGWEFCBTJO-UHFFFAOYSA-O 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- OAKJQQAXSVQMHS-UHFFFAOYSA-O hydrazinium(1+) Chemical compound [NH3+]N OAKJQQAXSVQMHS-UHFFFAOYSA-O 0.000 description 1
- 239000002563 ionic surfactant Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000434 metal complex dye Substances 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- NYGZLYXAPMMJTE-UHFFFAOYSA-M metanil yellow Chemical group [Na+].[O-]S(=O)(=O)C1=CC=CC(N=NC=2C=CC(NC=3C=CC=CC=3)=CC=2)=C1 NYGZLYXAPMMJTE-UHFFFAOYSA-M 0.000 description 1
- 125000001434 methanylylidene group Chemical group [H]C#[*] 0.000 description 1
- VMGAPWLDMVPYIA-HIDZBRGKSA-N n'-amino-n-iminomethanimidamide Chemical compound N\N=C\N=N VMGAPWLDMVPYIA-HIDZBRGKSA-N 0.000 description 1
- PKALEBFTSZCHGU-UHFFFAOYSA-M n,n-diethyl-4-[2-(1,3,3-trimethylindol-1-ium-2-yl)ethenyl]aniline;chloride Chemical compound [Cl-].C1=CC(N(CC)CC)=CC=C1\C=C\C1=[N+](C)C2=CC=CC=C2C1(C)C PKALEBFTSZCHGU-UHFFFAOYSA-M 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 150000004714 phosphonium salts Chemical class 0.000 description 1
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical class N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
- 239000001007 phthalocyanine dye Substances 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- JUJWROOIHBZHMG-UHFFFAOYSA-O pyridinium Chemical compound C1=CC=[NH+]C=C1 JUJWROOIHBZHMG-UHFFFAOYSA-O 0.000 description 1
- BOLDJAUMGUJJKM-LSDHHAIUSA-N renifolin D Natural products CC(=C)[C@@H]1Cc2c(O)c(O)ccc2[C@H]1CC(=O)c3ccc(O)cc3O BOLDJAUMGUJJKM-LSDHHAIUSA-N 0.000 description 1
- 230000003381 solubilizing effect Effects 0.000 description 1
- PJANXHGTPQOBST-UHFFFAOYSA-N stilbene Chemical compound C=1C=CC=CC=1C=CC1=CC=CC=C1 PJANXHGTPQOBST-UHFFFAOYSA-N 0.000 description 1
- 235000021286 stilbenes Nutrition 0.000 description 1
- 125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 229920001864 tannin Polymers 0.000 description 1
- 235000018553 tannin Nutrition 0.000 description 1
- 239000001648 tannin Substances 0.000 description 1
- ILJSQTXMGCGYMG-UHFFFAOYSA-N triacetic acid Chemical compound CC(=O)CC(=O)CC(O)=O ILJSQTXMGCGYMG-UHFFFAOYSA-N 0.000 description 1
- AAAQKTZKLRYKHR-UHFFFAOYSA-N triphenylmethane Chemical compound C1=CC=CC=C1C(C=1C=CC=CC=1)C1=CC=CC=C1 AAAQKTZKLRYKHR-UHFFFAOYSA-N 0.000 description 1
- 229920006163 vinyl copolymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
- PEAGNRWWSMMRPZ-UHFFFAOYSA-L woodstain scarlet Chemical compound [Na+].[Na+].OC1=CC=C2C=C(S([O-])(=O)=O)C=C(S([O-])(=O)=O)C2=C1N=NC(C=C1)=CC=C1N=NC1=CC=CC=C1 PEAGNRWWSMMRPZ-UHFFFAOYSA-L 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/16—Feed pretreatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/145—Ultrafiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/04—Specific process operations in the feed stream; Feed pretreatment
Landscapes
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752508246 DE2508246A1 (de) | 1975-02-26 | 1975-02-26 | Verfahren zur entfernung wasserloeslicher ionischer verbindungen aus waessrigen loesungen mittels ultrafiltration |
| GB4532275A GB1503764A (en) | 1975-02-26 | 1975-10-31 | Process for removing water-soluble ionic compounds from aqueous solutions by means of ultrafiltration |
| IN159/CAL/76A IN142701B (enExample) | 1975-02-26 | 1976-01-28 | |
| CH214576A CH617911A5 (en) | 1975-02-26 | 1976-02-20 | Process for removing water-soluble ionic compounds from aqueous solutions by ultrafiltration |
| JP1854776A JPS51110483A (ja) | 1975-02-26 | 1976-02-24 | Gengairokanyorisuiyoseiionseikagobutsuosuiyoekikarajokyosuruhoho |
| BE164630A BE838926A (fr) | 1975-02-26 | 1976-02-25 | Procede pour eliminer de leurs solutions aqueuses a l'aide d'une ultra-filtration, des colorants ioniques hydrosolubles |
| BR7601184A BR7601184A (pt) | 1975-02-26 | 1976-02-25 | Processo para a remocao de compostos ionicos hidrossoluveis de solucoes aquosas por meio de ultrafiltracao |
| ES445507A ES445507A1 (es) | 1975-02-26 | 1976-02-25 | Procedimiento para retirar compuestos ionicos hidrosolubles de soluciones acuosas. |
| FR7605385A FR2302122A1 (fr) | 1975-02-26 | 1976-02-26 | Procede pour elimine |
| NL7601995A NL7601995A (nl) | 1975-02-26 | 1976-02-26 | Werkwijze voor het verwijderen van in water oplos- bare ionische verbindingen uit waterige oplossin- gen door middel van ultrafiltratie. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752508246 DE2508246A1 (de) | 1975-02-26 | 1975-02-26 | Verfahren zur entfernung wasserloeslicher ionischer verbindungen aus waessrigen loesungen mittels ultrafiltration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2508246A1 true DE2508246A1 (de) | 1976-09-09 |
Family
ID=5939831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752508246 Withdrawn DE2508246A1 (de) | 1975-02-26 | 1975-02-26 | Verfahren zur entfernung wasserloeslicher ionischer verbindungen aus waessrigen loesungen mittels ultrafiltration |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS51110483A (enExample) |
| BE (1) | BE838926A (enExample) |
| BR (1) | BR7601184A (enExample) |
| CH (1) | CH617911A5 (enExample) |
| DE (1) | DE2508246A1 (enExample) |
| ES (1) | ES445507A1 (enExample) |
| FR (1) | FR2302122A1 (enExample) |
| GB (1) | GB1503764A (enExample) |
| IN (1) | IN142701B (enExample) |
| NL (1) | NL7601995A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7597721B2 (en) * | 2003-12-04 | 2009-10-06 | Clariant Finance (Bvi) Limited | Concentrated aqueous compositions of dyestuffs |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2619727A1 (fr) * | 1987-09-01 | 1989-03-03 | Univ Paris Curie | Procede de filtration membranaire d'une solution contenant des particules ioniques de faibles dimensions |
| DE4008262A1 (de) * | 1990-03-15 | 1991-09-19 | Bayer Ag | Verfahren zur herstellung lagerstabiler farbstoffloesungen |
| FR2683811B1 (fr) * | 1991-11-20 | 1994-05-20 | Armines | Procede de desionisation d'un liquide aqueux et application. |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3519558A (en) * | 1968-02-15 | 1970-07-07 | Abcor Inc | Separation of similar solutes using a semipermeable membrane |
| DE1945749A1 (de) * | 1968-09-27 | 1970-04-02 | Monsanto Co | Verfahren zum Entfernen von Phenolen und/oder Metallen aus einem waessrigen Medium |
| DE2203008B1 (de) * | 1972-01-22 | 1973-05-17 | Hager & Elsaesser | Verfahren und vorrichtung zum aufbereiten von abwaessern |
| GB1424702A (en) * | 1972-04-27 | 1976-02-11 | Kanebo Ltd | Method of decolourizing waste coloured aqueous liquid |
| CH572449A5 (enExample) * | 1972-06-23 | 1976-02-13 | Ciba Geigy Ag | |
| DE2303081A1 (de) * | 1973-01-23 | 1974-07-25 | Ernst Prof Dr Bayer | Verfahren zur anreicherung und abtrennung von metallionen an loeslichen polymeren |
| CH566798A5 (enExample) * | 1973-05-29 | 1975-09-30 | Battelle Memorial Institute | |
| JPS5745633B2 (enExample) * | 1973-12-08 | 1982-09-29 | ||
| DE2503169B1 (de) * | 1975-01-27 | 1976-06-16 | Bayer Ag | Abwasser-entfaerbungsverfahren |
-
1975
- 1975-02-26 DE DE19752508246 patent/DE2508246A1/de not_active Withdrawn
- 1975-10-31 GB GB4532275A patent/GB1503764A/en not_active Expired
-
1976
- 1976-01-28 IN IN159/CAL/76A patent/IN142701B/en unknown
- 1976-02-20 CH CH214576A patent/CH617911A5/de not_active IP Right Cessation
- 1976-02-24 JP JP1854776A patent/JPS51110483A/ja active Pending
- 1976-02-25 BR BR7601184A patent/BR7601184A/pt unknown
- 1976-02-25 ES ES445507A patent/ES445507A1/es not_active Expired
- 1976-02-25 BE BE164630A patent/BE838926A/xx unknown
- 1976-02-26 FR FR7605385A patent/FR2302122A1/fr not_active Withdrawn
- 1976-02-26 NL NL7601995A patent/NL7601995A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7597721B2 (en) * | 2003-12-04 | 2009-10-06 | Clariant Finance (Bvi) Limited | Concentrated aqueous compositions of dyestuffs |
Also Published As
| Publication number | Publication date |
|---|---|
| ES445507A1 (es) | 1977-06-01 |
| BR7601184A (pt) | 1976-09-14 |
| BE838926A (fr) | 1976-08-25 |
| NL7601995A (nl) | 1976-08-30 |
| FR2302122A1 (fr) | 1976-09-24 |
| JPS51110483A (ja) | 1976-09-30 |
| IN142701B (enExample) | 1977-08-13 |
| GB1503764A (en) | 1978-03-15 |
| CH617911A5 (en) | 1980-06-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8130 | Withdrawal |