CN102921305A - Cleaning agent and cleaning method for removing residual aromatic amine substances in reverse osmosis membrane - Google Patents
Cleaning agent and cleaning method for removing residual aromatic amine substances in reverse osmosis membrane Download PDFInfo
- Publication number
- CN102921305A CN102921305A CN2012104133003A CN201210413300A CN102921305A CN 102921305 A CN102921305 A CN 102921305A CN 2012104133003 A CN2012104133003 A CN 2012104133003A CN 201210413300 A CN201210413300 A CN 201210413300A CN 102921305 A CN102921305 A CN 102921305A
- Authority
- CN
- China
- Prior art keywords
- acid
- reverse osmosis
- cleaning
- osmosis membrane
- cleaning agent
- 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.)
- Pending
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 77
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 74
- 238000004140 cleaning Methods 0.000 title claims abstract description 59
- 150000004982 aromatic amines Chemical class 0.000 title claims abstract description 44
- 239000012459 cleaning agent Substances 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 43
- 239000000126 substance Substances 0.000 title abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000002253 acid Substances 0.000 claims abstract description 28
- 239000000654 additive Substances 0.000 claims abstract description 23
- 150000001412 amines Chemical class 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 40
- 239000008367 deionised water Substances 0.000 claims description 28
- 229910021641 deionized water Inorganic materials 0.000 claims description 28
- -1 alkyl carbon Chemical compound 0.000 claims description 21
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 21
- 230000000996 additive effect Effects 0.000 claims description 19
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 18
- 229910052799 carbon Inorganic materials 0.000 claims description 17
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 15
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 14
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 14
- 239000004094 surface-active agent Substances 0.000 claims description 14
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 13
- 239000003945 anionic surfactant Substances 0.000 claims description 12
- 125000000217 alkyl group Chemical group 0.000 claims description 10
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 8
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 8
- 239000011734 sodium Substances 0.000 claims description 8
- 235000002639 sodium chloride Nutrition 0.000 claims description 8
- 235000015165 citric acid Nutrition 0.000 claims description 7
- 235000011187 glycerol Nutrition 0.000 claims description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 6
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 6
- 125000002091 cationic group Chemical group 0.000 claims description 6
- 229910021645 metal ion Inorganic materials 0.000 claims description 6
- 235000006408 oxalic acid Nutrition 0.000 claims description 6
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 6
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 claims description 5
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 4
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 4
- 239000002280 amphoteric surfactant Substances 0.000 claims description 4
- 150000001721 carbon Chemical group 0.000 claims description 4
- 238000005660 chlorination reaction Methods 0.000 claims description 4
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 claims description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 4
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims description 4
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 claims description 4
- 239000011780 sodium chloride Substances 0.000 claims description 4
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 4
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 4
- QAIPRVGONGVQAS-DUXPYHPUSA-N trans-caffeic acid Chemical compound OC(=O)\C=C\C1=CC=C(O)C(O)=C1 QAIPRVGONGVQAS-DUXPYHPUSA-N 0.000 claims description 4
- 239000003021 water soluble solvent Substances 0.000 claims description 4
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 claims description 3
- 239000005711 Benzoic acid Substances 0.000 claims description 3
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 3
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 claims description 3
- 235000010233 benzoic acid Nutrition 0.000 claims description 3
- 229960001760 dimethyl sulfoxide Drugs 0.000 claims description 3
- WFKAJVHLWXSISD-UHFFFAOYSA-N isobutyramide Chemical compound CC(C)C(N)=O WFKAJVHLWXSISD-UHFFFAOYSA-N 0.000 claims description 3
- 239000001630 malic acid Substances 0.000 claims description 3
- 235000011090 malic acid Nutrition 0.000 claims description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000004317 sodium nitrate Substances 0.000 claims description 3
- 235000010344 sodium nitrate Nutrition 0.000 claims description 3
- ACEAELOMUCBPJP-UHFFFAOYSA-N (E)-3,4,5-trihydroxycinnamic acid Natural products OC(=O)C=CC1=CC(O)=C(O)C(O)=C1 ACEAELOMUCBPJP-UHFFFAOYSA-N 0.000 claims description 2
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 claims description 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 claims description 2
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims description 2
- OWQGBDSLJUVLKF-UHFFFAOYSA-N 2-dodecylpyridine Chemical compound CCCCCCCCCCCCC1=CC=CC=N1 OWQGBDSLJUVLKF-UHFFFAOYSA-N 0.000 claims description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 2
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 2
- 241001272567 Hominoidea Species 0.000 claims description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical class CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 2
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 claims description 2
- 229910019142 PO4 Inorganic materials 0.000 claims description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- 229930006000 Sucrose Natural products 0.000 claims description 2
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 2
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 2
- 150000008065 acid anhydrides Chemical class 0.000 claims description 2
- 125000001931 aliphatic group Chemical group 0.000 claims description 2
- 150000003973 alkyl amines Chemical class 0.000 claims description 2
- 235000019270 ammonium chloride Nutrition 0.000 claims description 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 2
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 2
- 125000000129 anionic group Chemical group 0.000 claims description 2
- 235000010323 ascorbic acid Nutrition 0.000 claims description 2
- 239000011668 ascorbic acid Substances 0.000 claims description 2
- 229960005070 ascorbic acid Drugs 0.000 claims description 2
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical compound CCCC(O)O CDQSJQSWAWPGKG-UHFFFAOYSA-N 0.000 claims description 2
- 235000004883 caffeic acid Nutrition 0.000 claims description 2
- 229940074360 caffeic acid Drugs 0.000 claims description 2
- 239000001110 calcium chloride Substances 0.000 claims description 2
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 2
- 235000011148 calcium chloride Nutrition 0.000 claims description 2
- 239000004202 carbamide Substances 0.000 claims description 2
- 125000002843 carboxylic acid group Chemical group 0.000 claims description 2
- 150000001768 cations Chemical group 0.000 claims description 2
- 229960001927 cetylpyridinium chloride Drugs 0.000 claims description 2
- YMKDRGPMQRFJGP-UHFFFAOYSA-M cetylpyridinium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCC[N+]1=CC=CC=C1 YMKDRGPMQRFJGP-UHFFFAOYSA-M 0.000 claims description 2
- 239000003153 chemical reaction reagent Substances 0.000 claims description 2
- QAIPRVGONGVQAS-UHFFFAOYSA-N cis-caffeic acid Natural products OC(=O)C=CC1=CC=C(O)C(O)=C1 QAIPRVGONGVQAS-UHFFFAOYSA-N 0.000 claims description 2
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 2
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 2
- 229940043237 diethanolamine Drugs 0.000 claims description 2
- 239000000194 fatty acid Substances 0.000 claims description 2
- 229930195729 fatty acid Natural products 0.000 claims description 2
- 150000002191 fatty alcohols Chemical class 0.000 claims description 2
- 239000012467 final product Substances 0.000 claims description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 claims description 2
- 229960004592 isopropanol Drugs 0.000 claims description 2
- 239000004310 lactic acid Substances 0.000 claims description 2
- 235000014655 lactic acid Nutrition 0.000 claims description 2
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 2
- 235000011147 magnesium chloride Nutrition 0.000 claims description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 125000000962 organic group Chemical group 0.000 claims description 2
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 claims description 2
- UWJJYHHHVWZFEP-UHFFFAOYSA-N pentane-1,1-diol Chemical compound CCCCC(O)O UWJJYHHHVWZFEP-UHFFFAOYSA-N 0.000 claims description 2
- 239000010452 phosphate Substances 0.000 claims description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 2
- 150000003242 quaternary ammonium salts Chemical group 0.000 claims description 2
- 238000010992 reflux Methods 0.000 claims description 2
- 229960004889 salicylic acid Drugs 0.000 claims description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 2
- 235000011152 sodium sulphate Nutrition 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims description 2
- 230000003068 static effect Effects 0.000 claims description 2
- 229960005137 succinic acid Drugs 0.000 claims description 2
- 239000005720 sucrose Substances 0.000 claims description 2
- 239000011975 tartaric acid Substances 0.000 claims description 2
- 235000002906 tartaric acid Nutrition 0.000 claims description 2
- 229960004418 trolamine Drugs 0.000 claims description 2
- MHABMANUFPZXEB-UHFFFAOYSA-N O-demethyl-aloesaponarin I Natural products O=C1C2=CC=CC(O)=C2C(=O)C2=C1C=C(O)C(C(O)=O)=C2C MHABMANUFPZXEB-UHFFFAOYSA-N 0.000 claims 1
- 230000003647 oxidation Effects 0.000 abstract description 12
- 238000007254 oxidation reaction Methods 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000004383 yellowing Methods 0.000 abstract description 3
- 238000003860 storage Methods 0.000 abstract description 2
- 150000007513 acids Chemical class 0.000 abstract 3
- 238000003756 stirring Methods 0.000 description 12
- 239000011521 glass Substances 0.000 description 6
- 238000004506 ultrasonic cleaning Methods 0.000 description 6
- 238000010792 warming Methods 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 3
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 2
- JBIJLHTVPXGSAM-UHFFFAOYSA-N 2-naphthylamine Chemical compound C1=CC=CC2=CC(N)=CC=C21 JBIJLHTVPXGSAM-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- HFACYLZERDEVSX-UHFFFAOYSA-N benzidine Chemical compound C1=CC(N)=CC=C1C1=CC=C(N)C=C1 HFACYLZERDEVSX-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000009881 electrostatic interaction Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 125000001475 halogen functional group Chemical group 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 239000004323 potassium nitrate Substances 0.000 description 1
- 235000010333 potassium nitrate Nutrition 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 229940079827 sodium hydrogen sulfite Drugs 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000006277 sulfonation reaction Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000002211 ultraviolet spectrum Methods 0.000 description 1
Images
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Detergent Compositions (AREA)
Abstract
The invention provides a cleaning agent and a cleaning method for removing residual aromatic amine substances in a reverse osmosis membrane. The cleaning agent comprises one or more water-soluble acids, one or more active additives and water. The one or more active additives can strongly interact with amine. The cleaning agent comprises 0.1 to 30wt% of the one or more water-soluble acids and 0.01 to 50wt% of the one or more active additives, and preferably, the cleaning agent comprises 1 to 10wt% of the one or more water-soluble acids and 0.01 to 20wt% of the one or more active additives. The cleaning method comprises the following steps of 1, cleaning and 2, rinsing. The cleaning agent can be prepared simply and can effectively and specifically remove residual aromatic amine substances in a reverse osmosis membrane in production and use. The cleaning method has strong operationality, can improve cleaning efficiency, can reduce a residual amine substance concentration, can avoid reverse osmosis membrane yellowing caused by oxidation in storage or use, and can improve reverse osmosis membrane performances.
Description
Technical field
The present invention relates to cleaning agent and the cleaning method of residual aromatic amine material in a kind of reverse osmosis membrane, belong to water treatment field.
Background technology
Clean reverse osmosis membrane and generally clean with acidic cleaner first, clean with alkaline cleaner again, carry out disinfection at last.For guaranteeing safety, confirming that cleaning is complete, wash more than the 2h again in the disinfectant noresidue situation.The aromatic amine material is to have the substituent amine of armaticity, namely-and NH
2,-NH-or nitrogen-containing group are connected on the aromatic hydrocarbon, usually contain one or more phenyl ring in the structure of its aromatic hydrocarbon; Such material is high boiling liquid or low-melting solid, its molecular proportion is more active, has special smell, toxicity is very large, can suck, eat or absorbing transmission from skin and cause poisoning such as aniline, eating 0.25ml will seriously poison, and and for example beta-naphthylamine and benzidine are the materials that causes malignant tumour.It is generally more weak that aromatic amine has alkalescence, can salt-forming reaction occur with acid, and in addition oxidation, halo, acidylate, sulfonation, the reaction such as nitrated also can occur aromatic amine.Reverse osmosis membrane still can contain residual aromatic amine material after routine is cleaned, directly affected performance and the effect of counter-infiltration, has reduced the security of reverse osmosis membrane.
CN101455945A discloses a kind of acid reverse osmosis membrane cleaning agent, comprises that concentration is 1～4% Citric Acid Mono, oxalic acid or phosphoric acid solution, and pH is 1～4, and cleaning temperature is 30～35 ℃; This scheme is to cooperate with acid reverse osmosis membrane cleaning agent and alkaline reverse osmosis membrane cleaning agent to be used alternatingly, and reverse osmosis membrane is cleaned, and the cleaning agent formula of its use is simple, is common chemicals, can't remove residual aromatic amine material.
CN102553452A discloses a kind of acidic cleaner that cleans reverse osmosis membrane, comprise one or more in hydrochloric acid, oxalic acid, nitric acid, citric acid, the hydrofluoric acid, and sodium hydrogensulfite reducing agent, non oxidizing bactericide and mass concentration are 1～10% sodium chloride, sodium nitrate, potassium chloride or potassium nitrate; Cleaning method described in this scheme for be the pollution problem of reverse-osmosis membrane element in running, the organic and inorganic pollution of its parcel of polyacrylamide base that face is gathered, have clean preferably used; But the cleaning performance to residual aromatic amine is unsatisfactory.
In the prior art, for the cleaning problem of aromatic amine residual in the reverse osmosis membrane production process, up to the present, still there is not preferably processing method.In addition, reverse osmosis membrane after cleaning, store or use procedure in, if run into oxidation environment, the Yellowing of film then easily occurs.
Summary of the invention
The invention provides cleaning agent and the cleaning method of residual aromatic amine material in a kind of reverse osmosis membrane, the cleaning performance that has solved prior art residual aromatic amine in the reverse osmosis membrane production process is not good, and reverse osmosis membrane easy problem because of the oxidation xanthochromia in storage or use procedure.
Technical scheme of the present invention is as described below.
The cleaning agent of residual aromatic amine material in a kind of reverse osmosis membrane is characterized in that: cleaning agent is comprised of water soluble acid, active additive and water, and described active additive refers to have the active additive of pretending firmly with amine; Wherein the mass percent of water soluble acid and active additive is: water soluble acid 0.1～30wt%, be preferably 1～10wt%, and active additive 0.01～50wt% is preferably 0.01～20wt%.
Described water soluble acid refer in sulfuric acid, hydrochloric acid, acetic acid, malic acid, maleic anhydride, salicylic acid, citric acid, butanedioic acid, terephthalic acid (TPA), phthalic acid and acid anhydrides thereof, M-phthalic acid, benzoic acid, caffeic acid, oxalic acid, tartaric acid, citric acid, ascorbic acid and the lactic acid any or several.
Described active additive be in surfactant, water-soluble solvent and the water soluble salt any or several.
Described surfactant refer in anionic surfactant, cationic surface active agent, amphoteric surfactant and the nonionic surface active agent any or several;
Described anionic surfactant has a class material of RCOOM molecular structure special type, and wherein R is alkyl, and the number of carbon is that 8～22, M is metal ion, is Na more definitely
+And K
+Described anionic surfactant has R-SO
3One class material of Na molecular structure special type, wherein R is alkyl or phenyl, the number of alkyl carbon is 8～20; Described anionic surfactant has ROSO
3One class material of M molecular structure special type, wherein R is alkyl or phenyl, the number of alkyl carbon is that 8～18, M is metal ion, more is defined as Na
+And K
+Described anionic surfactant has R
1CONHR
2COOH, R
1Carbon number be 8～18, R
2Aliphatic group for amino; Described anionic surfactant refers to have the phosphate ester salt of following molecular structure special type, and R is alkyl, and 1～10 of carbon number, M are metal ion Na
+And K
+:
Described cationic surface active agent is quaternary ammonium salt, and its molecular structure special type is R
1R
2N
+R
3R
4, R wherein
1, R
2, R
3, R
4Be organic group, wherein any one group contains carbon atom number 1～20, and any three groups contain carbon atom number 1～2.Described cationic surface active agent is Fixanol, and its molecular structure is:
Wherein R is organic group, and the carbon containing number is 1～20, is cetylpyridinium chloride, brocide, chlorination heptadecanoyl picoline, chlorination dodecyl pyridine etc. more specifically;
Described amphoteric surfactant refers to have molecular configuration R-A
+-B
-A class material in any or several, R is non-polar group, is preferably alkyl and aromatic radical; A
+Be cation group, be preferably nitrogen-containing group, B
-Be anionic group, be preferably carboxylic acid group and sulfonic group;
Described nonionic surface active agent refer in polyvinyl alcohol (molecular weight 100～20000), long-chain fatty alcohol APEO, APES, aliphatic acid polyethenoxy ether, polyoxyethylene alkyl amine, polyxyethylated alkylolamides, glycerine, fatty acid glyceride, pentaerythritol fatty ester, Span, sucrose fatty ester, season amylalcohol amine, alkylolamides, urea and the thiocarbamide any or several.
Described water-soluble solvent refers to N, N--dimethyl formamide (DMF), N, N--dimethylacetylamide (DMAC), N, any in N--dimethyl pyrrolidone, ethanol, ethylene glycol, glycerine, the tert-butyl alcohol, amylalcohol, butanols, acetone, isoamyl glycol, butanediol, pentanediol, methyl-sulfoxide, isopropyl alcohol, diethanol amine, triethanolamine, monoethanolamine, glycerine, acetic acid, triethylamine and the hexamethylene diamine or several.
Described water soluble salt refer in sodium chloride, magnesium chloride, ammonium chloride, calcium chloride, sodium sulphate, ammonium sulfate, sodium nitrate and the ammonium nitrate any or several.
The preparation method of cleaning agent of the present invention is take temperature as 10～90 ℃ water as solvent, adds successively water soluble acid and active additive, is stirred to institute's reagent adding and dissolves fully, and the mass percent of the water soluble acid of adding in cleaning agent is 0.1～30wt%; The mass percent of active additive in cleaning agent that adds is 0.01～50wt%.
The cleaning method of residual aromatic amine material in a kind of reverse osmosis membrane of the present invention is characterized in that: mainly may further comprise the steps:
(1) clean: reverse osmosis membrane is adopted to be statically placed in carry out static rinse in the above-mentioned cleaning agent, perhaps adopt to have in the cleaning process cleaning agent is stirred, replenishes and the dynamic cleaning of reflux cycle, the cleaning agent cleaning temperature is 20～90 ℃, is preferably 60～90 ℃; Reverse osmosis membrane is not less than 1:10 with the cleaner bath of cleaning agent than (weight ratio);
(2) rinsing: the reverse osmosis membrane after the cleaning carries out rinsing with the deionized water that bath raio is not less than 1:20, and the deionized water temperature is 10～90 ℃, is preferably 20～50 ℃, gets final product.
Cleaning process in the described step (1) preferentially adopts dynamic cleaning.
Be not less than 1min the effective time of the middle cleaning of described step (1) reverse osmosis membrane.
Compare with pickling technology traditional in the prior art, the advantage of invention and progressive part are:
(1) adopted the mode of acid with the composite use of active additive, must there be stronger interaction in selected active additive with aromatic amine, such as electrostatic interaction and hydrogen bond action etc.; And can effectively reduce the surface energy of cleaning fluid, these characteristics can effectively promote the aromatic amine material toward speed and the degree of film body external diffusion, reach the effect that improves cleaning performance.
(2) cleaning agent of the present invention for the removal of reverse osmosis membrane aromatic amine material in process of production, preferentially adopts the dynamic cleaning mode, can finish online on production line, does not need the later stage to process again.
(3) cleaning agent of the present invention under the proportioning of specific acid and active additive, both can effectively clean the aromatic amine material, can further promote again the performance of reverse osmosis membrane, such as salt rejection rate or flux; The phenomenon of membrane module xanthochromia in the time of can also effectively improving membrane module and in application process, run into oxidation environment.
Beneficial effect of the present invention: the cleaning agent preparation is simple, can effectively remove targetedly reverse osmosis membrane residual aromatic amine material in production and use procedure, the cleaning method strong operability, can improve cleaning efficiency, reduce residual amine material concentration, avoid reverse osmosis membrane store or use procedure in because of the oxidation xanthochromia, improve the performance of reverse osmosis membrane.
Description of drawings
The oxidation effectiveness figure of Fig. 1 for adopting cleaning agent of the present invention and cleaning method to process behind the reverse osmosis membrane 10 minutes;
The oxidation effectiveness figure of Fig. 2 for adopting the classical acid washing method to process behind the reverse osmosis membrane 10 minutes.
The specific embodiment
In order to deepen that the present invention is understood, the present invention is described in further detail below in conjunction with embodiment, and this embodiment only is used for explaining the present invention, does not consist of the restriction to protection domain of the present invention.
Embodiment 1
Get in 50g oxalic acid and the 80g ethylene glycol solution 870g deionized water, be warming up to 80 ℃ after stirring and dissolving is complete, get reverse osmosis membrane that 50g do not do any cleaning be placed in one (bath raio is 1:10), under stirring, cleans glass bar, clean and to take out diaphragm behind the 10min to place the 1000g bath raio be that the deionized water of 1:20 is carried out rinsing, rinsing three times.For measuring the residual quantity of aromatic amine in reverse osmosis membrane this moment, place the deionized water of 80 ℃ of 500g to carry out ultrasonic cleaning on the diaphragm after the rinsed with deionized water, ultrasonic time 2h thoroughly washes out residual amine in the diaphragm with this.
Embodiment 2
Get 50g malic acid, 30g ethylene glycol and 10gN, N-dimethylacetylamide (DMAC) adds in the 910g deionized water successively, be warming up to 90 ℃ after stirring and dissolving is complete, get reverse osmosis membrane that 50g do not do any cleaning be placed in one (bath raio is 1:20), under stirring, cleans glass bar, clean and to take out diaphragm behind the 10min to place the 1000g bath raio be that the deionized water of 1:30 is carried out rinsing, rinsing number of times three times.For measuring the residual quantity of aromatic amine in reverse osmosis membrane this moment, place the deionized water of 90 ℃ of 500g to carry out ultrasonic cleaning on the diaphragm after the rinsed with deionized water, ultrasonic time 2h thoroughly washes out residual amine in the diaphragm with this.
Embodiment 3
Get 50g acetic acid, 30g sodium chloride and 10gN, N--dimethyl formamide (DMF) adds in the 910g deionized water successively, be warming up to 20 ℃ after stirring and dissolving is complete, get reverse osmosis membrane that 50g do not do any cleaning be placed in one (bath raio is 1:30), under stirring, cleans glass bar, clean and to take out diaphragm behind the 10min to place the 1000g bath raio be that the deionized water of 1:40 is carried out rinsing, rinsing number of times three times.For measuring the residual quantity of aromatic amine in reverse osmosis membrane this moment, place the deionized water of 10 ℃ of 500g to carry out ultrasonic cleaning on the diaphragm after the rinsed with deionized water, ultrasonic time 2h thoroughly washes out residual amine in the diaphragm with this.
Embodiment 4
Get 50g benzoic acid, the 30g tert-butyl alcohol and 10gN, the N-dimethyl pyrrolidone adds in the 910g deionized water successively, be warming up to 70 ℃ after stirring and dissolving is complete, get reverse osmosis membrane that 50g do not do any cleaning be placed in one (bath raio is 1:40), under stirring, cleans glass bar, clean and to take out diaphragm behind the 10min to place the 1000g bath raio be that the 1:50 deionized water is carried out rinsing, rinsing number of times three times.For measuring the residual quantity of aromatic amine in reverse osmosis membrane this moment, place the deionized water of 20 ℃ of 500g to carry out ultrasonic cleaning on the diaphragm after the rinsed with deionized water, ultrasonic time 2h thoroughly washes out residual amine in the diaphragm with this.
Embodiment 5
Getting 50g citric acid, 30g glycerine and 10g methyl-sulfoxide adds in the 910g deionized water successively, be warming up to 50 ℃ after stirring and dissolving is complete, get reverse osmosis membrane that 50g do not do any cleaning be placed in one (bath raio is 1:50), under stirring, cleans glass bar, clean take out behind the 10min diaphragm place 1000g with than carrying out rinsing for the 1:60 deionized water, rinsing number of times three times.For measuring the residual quantity of aromatic amine in reverse osmosis membrane this moment, place the deionized water of 50 ℃ of 500g to carry out ultrasonic cleaning on the diaphragm after the rinsed with deionized water, ultrasonic time 2h thoroughly washes out residual amine in the diaphragm with this.
Get 6 reverse osmosis membranes of not doing any cleaning, its aromatic amine content of material is done mensuration, the results are shown in Table 1; Its 1 is adopted the classical acid washing method to process as a comparison case, and remaining 5 by the embodiment of the invention 1～5 described cleaning agent and cleaning method processing; Clean complete after, respectively the aromatic amine content of material of 6 reverse osmosis membranes is measured with the ultraviolet spectra detection method, the results are shown in Table 1.
Comparative Examples is processed by following classical acid washing method:
Getting 50g oxalic acid is dissolved in the 950g deionized water, be warming up to 80 ℃ after stirring and dissolving is complete, get reverse osmosis membrane that 50g do not do any cleaning be placed in one (bath raio 20), under stirring, cleans glass bar, the taking-up diaphragm places the 1000g deionized water to carry out rinsing after cleaning 10min, rinsing number of times three times.For measuring the residual quantity of aromatic amine in reverse osmosis membrane this moment, place the deionized water of 80 ℃ of 500g to carry out ultrasonic cleaning on the diaphragm after the rinsed with deionized water, ultrasonic time 2h thoroughly washes out residual amine in the diaphragm with this.
Get a reverse osmosis membrane of not making any cleaning treatment, in two.Wherein half is processed with cleaning agent and the cleaning method of the embodiment of the invention 4, and second half is to process such as the described classical acid washing method of Comparative Examples.Wash and completely be placed in the oxidation environment 10 minutes, the oxidation effectiveness figure that obtains adopting cleaning agent of the present invention and cleaning method to process behind the reverse osmosis membrane 10 minutes sees Fig. 1; And the oxidation effectiveness figure that adopts the classical acid washing method to process behind the reverse osmosis membrane 10 minutes, see Fig. 2.
Aromatic amine content of material before and after table 1 reverse osmosis membrane cleans
The aromatic amine content of material that is cleaned front and back by reverse osmosis membrane in the table 1 contrasts as can be known, and after the employing described cleaning agent of various embodiments of the present invention and cleaning method were processed reverse osmosis membrane, the aromatic amine content of material in the reverse osmosis membrane had obviously reduced a lot; Compared to the Comparative Examples that adopts the conventional method pickling processes, the embodiment of the invention wants excellent a lot of to the cleaning performance of aromatic amine material.
As shown in Figure 1 and Figure 2, reverse osmosis membrane among Fig. 1 and Fig. 2 is taken from same reverse osmosis membrane before cleaning, after cleaning, under same environmental condition, resulting cleaning performance is different: the reverse osmosis membrane cleaning performance among Fig. 1 is good, and obviously has Yellowing to exist on the reverse osmosis membrane among Fig. 2.By above result as can be known, the present invention is better than the classical acid washing method to the cleaning performance of aromatic amine material in the reverse osmosis membrane; The phenomenon of xanthochromia easily occurs in the time of can effectively improving membrane module run into oxidation environment in application process.
Claims (10)
1. the cleaning agent of residual aromatic amine material in the reverse osmosis membrane is characterized in that: be comprised of water soluble acid, active additive and water, described active additive refers to have with amine pretends active additive firmly; Wherein the mass percent of water soluble acid and active additive is: water soluble acid 0.1～30wt%, be preferably 1～10wt%, and active additive 0.01～50wt% is preferably 0.01～20wt%.
2. the cleaning agent of residual aromatic amine material in a kind of reverse osmosis membrane according to claim 1 is characterized in that: described water soluble acid refer in sulfuric acid, hydrochloric acid, acetic acid, malic acid, maleic anhydride, salicylic acid, citric acid, butanedioic acid, terephthalic acid (TPA), phthalic acid and acid anhydrides thereof, M-phthalic acid, benzoic acid, caffeic acid, oxalic acid, tartaric acid, citric acid, ascorbic acid and the lactic acid any or several.
3. the cleaning agent of residual aromatic amine material in a kind of reverse osmosis membrane according to claim 1 is characterized in that: described active additive be in surfactant, water-soluble solvent and the water soluble salt any or several.
4. the cleaning agent of residual aromatic amine material in a kind of reverse osmosis membrane according to claim 3 is characterized in that: described surfactant refer in anionic surfactant, cationic surface active agent, amphoteric surfactant and the nonionic surface active agent any or several;
Described anionic surfactant has a class material of RCOOM molecular structure special type, and wherein R is alkyl, and the number of carbon is that 8～22, M is metal ion, is Na more definitely
+And K
+Described anionic surfactant has R-SO
3One class material of Na molecular structure special type, wherein R is alkyl or phenyl, the number of alkyl carbon is 8～20; Described anionic surfactant has ROSO
3One class material of M molecular structure special type, wherein R is alkyl or phenyl, the number of alkyl carbon is that 8～18, M is metal ion, more is defined as Na
+And K
+Described anionic surfactant has R
1CONHR
2COOH, R
1Carbon number be 8～18, R
2Aliphatic group for amino; Described anionic surfactant refers to have the phosphate ester salt of following molecular structure special type, and R is alkyl, and 1～10 of carbon number, M are metal ion Na
+And K
+:
Described cationic surface active agent is quaternary ammonium salt, and its molecular structure special type is R
1R
2N
+R
3R
4, R wherein
1, R
2, R
3, R
4Be organic group, wherein any one group contains carbon atom number 1～20, and any three groups contain carbon atom number 1～2.Described cationic surface active agent is Fixanol, and its molecular structure is:
Wherein R is organic group, and the carbon containing number is 1～20, is cetylpyridinium chloride, brocide, chlorination heptadecanoyl picoline, chlorination dodecyl pyridine etc. more specifically;
Described amphoteric surfactant refers to have molecular configuration R-A
+-B
-A class material in any or several, R is non-polar group, is preferably alkyl and aromatic radical; A
+Be cation group, be preferably nitrogen-containing group, B
-Be anionic group, be preferably carboxylic acid group and sulfonic group;
Described nonionic surface active agent refer in polyvinyl alcohol (molecular weight 100～20000), long-chain fatty alcohol APEO, APES, aliphatic acid polyethenoxy ether, polyoxyethylene alkyl amine, polyxyethylated alkylolamides, glycerine, fatty acid glyceride, pentaerythritol fatty ester, Span, sucrose fatty ester, season amylalcohol amine, alkylolamides, urea and the thiocarbamide any or several.
5. the cleaning agent of residual aromatic amine material in a kind of reverse osmosis membrane according to claim 3, it is characterized in that: described water-soluble solvent refers to N, N--dimethyl formamide (DMF), N, N--dimethylacetylamide (DMAC), N, any in N--dimethyl pyrrolidone, ethanol, ethylene glycol, glycerine, the tert-butyl alcohol, amylalcohol, butanols, acetone, isoamyl glycol, butanediol, pentanediol, methyl-sulfoxide, isopropyl alcohol, diethanol amine, triethanolamine, monoethanolamine, glycerine, acetic acid, triethylamine and the hexamethylene diamine or several.
6. the cleaning agent of residual aromatic amine material in a kind of reverse osmosis membrane according to claim 3 is characterized in that: described water soluble salt refer in sodium chloride, magnesium chloride, ammonium chloride, calcium chloride, sodium sulphate, ammonium sulfate, sodium nitrate and the ammonium nitrate any or several.
7. the cleaning agent of residual aromatic amine material in a kind of reverse osmosis membrane according to claim 3, it is characterized in that: its preparation method is as solvent take temperature as 10～90 ℃ water, add successively water soluble acid and active additive, be stirred to institute's reagent adding and dissolve fully, the mass percent of the water soluble acid of adding in cleaning agent is 0.1～30wt%; The mass percent of active additive in cleaning agent that adds is 0.01～50wt%.
8. the cleaning method of residual aromatic amine material in the reverse osmosis membrane is characterized in that: mainly may further comprise the steps:
(1) clean: the weighting profit requires each described cleaning agent of 1～7, reverse osmosis membrane adopted to be statically placed in carry out static rinse in the cleaning agent, perhaps adopt to have in the cleaning process cleaning agent is stirred, replenishes and the dynamic cleaning of reflux cycle, the cleaning agent cleaning temperature is 20～90 ℃, be preferably 60～90 ℃, reverse osmosis membrane is not less than 1:10 with the cleaner bath of cleaning agent than (weight ratio);
(2) rinsing: the reverse osmosis membrane after the cleaning carries out rinsing with the deionized water that bath raio is not less than 1:20, and the deionized water temperature is 10～90 ℃, is preferably 20～50 ℃, gets final product.
9. the cleaning method of residual aromatic amine material in a kind of reverse osmosis membrane according to claim 7, the cleaning process in the described step (1) preferentially adopts dynamic cleaning.
10. the cleaning method of residual aromatic amine material in a kind of reverse osmosis membrane according to claim 7 is not less than 1min the effective time of the middle cleaning of described step (1) reverse osmosis membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104133003A CN102921305A (en) | 2012-10-25 | 2012-10-25 | Cleaning agent and cleaning method for removing residual aromatic amine substances in reverse osmosis membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104133003A CN102921305A (en) | 2012-10-25 | 2012-10-25 | Cleaning agent and cleaning method for removing residual aromatic amine substances in reverse osmosis membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102921305A true CN102921305A (en) | 2013-02-13 |
Family
ID=47636316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104133003A Pending CN102921305A (en) | 2012-10-25 | 2012-10-25 | Cleaning agent and cleaning method for removing residual aromatic amine substances in reverse osmosis membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102921305A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103341325A (en) * | 2013-06-18 | 2013-10-09 | 吴章锋 | Dual-purpose film cleaning agent and its preparation method and use |
| CN104815561A (en) * | 2015-04-15 | 2015-08-05 | 湖南沁森环保高科技有限公司 | Reverse osmosis membrane cleaning method and cleaning fluid |
| CN105858919A (en) * | 2016-04-25 | 2016-08-17 | 苏州能华节能环保科技有限公司 | Environment-friendly scale inhibitor for waste water treatment device and preparation method thereof |
| CN105879694A (en) * | 2016-05-10 | 2016-08-24 | 钱友静 | RO (reverse osmosis) membrane cleaning agent |
| CN106345299A (en) * | 2016-08-28 | 2017-01-25 | 贵阳时代沃顿科技有限公司 | Method for increasing performance of reverse osmosis membrane |
| CN108993163A (en) * | 2018-08-24 | 2018-12-14 | 中海油天津化工研究设计院有限公司 | A kind of cleaning agents of membrane suitable for the water process containing Active dye waste |
| CN109364764A (en) * | 2018-12-19 | 2019-02-22 | 苏州瑞欧纳米设备开发有限公司 | Reverse osmosis membrane or cleaning method and system in nanofiltration membrane preparation process |
| EP3329983A4 (en) * | 2015-07-27 | 2019-03-13 | Kurita Water Industries Ltd. | Reverse osmosis membrane cleaning agent, cleaning liquid, and cleaning method |
| CN109632678A (en) * | 2018-11-16 | 2019-04-16 | 蓝星（杭州）膜工业有限公司 | A kind of detection method of polyamide composite film piece residual amine content |
| CN110139703A (en) * | 2017-03-07 | 2019-08-16 | 栗田工业株式会社 | The cleaning method for the treatment of chemicals and its modulator approach and polyamide-based reverse osmosis membrane |
| CN110408475A (en) * | 2019-07-23 | 2019-11-05 | 杭州上拓环境科技股份有限公司 | A kind of cleaning combination of the membranous system for the dirt containing polyacrylamide, preparation method and application |
| CN112588120A (en) * | 2020-12-25 | 2021-04-02 | 上海丰信环保科技有限公司 | Reverse osmosis membrane repairing agent and repairing method |
| CN114082305A (en) * | 2021-11-11 | 2022-02-25 | 西安热工研究院有限公司 | Reverse osmosis cleaning agent for microorganism and organic matter pollution and preparation method thereof |
| CN114712941A (en) * | 2022-04-12 | 2022-07-08 | 聚创(广东)智能装备有限公司 | Method for cleaning monoammonium phosphate filter cloth |
| CN115155320A (en) * | 2022-08-03 | 2022-10-11 | 澳斯康生物(南通)股份有限公司 | Ultrafiltration membrane cleaning method and ultrafiltration method for protein solution |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5820205A (en) * | 1981-07-31 | 1983-02-05 | Kurita Water Ind Ltd | Method for washing membrane separation apparatus |
| CN101254412A (en) * | 2007-12-12 | 2008-09-03 | 沈阳晟豪化工有限公司 | Acidic hyperfiltration membrane cleaning agent |
| CN101721916A (en) * | 2008-10-24 | 2010-06-09 | 中国石油化工股份有限公司 | Chemical cleaning method of reverse osmosis membrane |
| CN102553452A (en) * | 2012-01-10 | 2012-07-11 | 蓝星环境工程有限公司 | Membrane cleaning agent for cleaning reverse osmosis membrane and application method |
-
2012
- 2012-10-25 CN CN2012104133003A patent/CN102921305A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5820205A (en) * | 1981-07-31 | 1983-02-05 | Kurita Water Ind Ltd | Method for washing membrane separation apparatus |
| CN101254412A (en) * | 2007-12-12 | 2008-09-03 | 沈阳晟豪化工有限公司 | Acidic hyperfiltration membrane cleaning agent |
| CN101721916A (en) * | 2008-10-24 | 2010-06-09 | 中国石油化工股份有限公司 | Chemical cleaning method of reverse osmosis membrane |
| CN102553452A (en) * | 2012-01-10 | 2012-07-11 | 蓝星环境工程有限公司 | Membrane cleaning agent for cleaning reverse osmosis membrane and application method |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103341325A (en) * | 2013-06-18 | 2013-10-09 | 吴章锋 | Dual-purpose film cleaning agent and its preparation method and use |
| CN103341325B (en) * | 2013-06-18 | 2015-01-07 | 吴章锋 | Dual-purpose film cleaning agent and its preparation method and use |
| CN104815561A (en) * | 2015-04-15 | 2015-08-05 | 湖南沁森环保高科技有限公司 | Reverse osmosis membrane cleaning method and cleaning fluid |
| TWI764864B (en) * | 2015-07-27 | 2022-05-21 | 日商栗田工業股份有限公司 | Detergent, cleaning solution and cleaning method for reverse osmosis membrane |
| US10780400B2 (en) | 2015-07-27 | 2020-09-22 | Kurita Water Industries Ltd. | Agent, liquid, and method for cleaning reverse osmosis membrane |
| EP3329983A4 (en) * | 2015-07-27 | 2019-03-13 | Kurita Water Industries Ltd. | Reverse osmosis membrane cleaning agent, cleaning liquid, and cleaning method |
| CN105858919A (en) * | 2016-04-25 | 2016-08-17 | 苏州能华节能环保科技有限公司 | Environment-friendly scale inhibitor for waste water treatment device and preparation method thereof |
| CN105879694A (en) * | 2016-05-10 | 2016-08-24 | 钱友静 | RO (reverse osmosis) membrane cleaning agent |
| CN106345299A (en) * | 2016-08-28 | 2017-01-25 | 贵阳时代沃顿科技有限公司 | Method for increasing performance of reverse osmosis membrane |
| CN110139703A (en) * | 2017-03-07 | 2019-08-16 | 栗田工业株式会社 | The cleaning method for the treatment of chemicals and its modulator approach and polyamide-based reverse osmosis membrane |
| CN110139703B (en) * | 2017-03-07 | 2020-08-07 | 栗田工业株式会社 | Water treatment chemical, method for preparing same, and method for cleaning polyamide reverse osmosis membrane |
| CN108993163A (en) * | 2018-08-24 | 2018-12-14 | 中海油天津化工研究设计院有限公司 | A kind of cleaning agents of membrane suitable for the water process containing Active dye waste |
| CN109632678A (en) * | 2018-11-16 | 2019-04-16 | 蓝星（杭州）膜工业有限公司 | A kind of detection method of polyamide composite film piece residual amine content |
| CN109364764A (en) * | 2018-12-19 | 2019-02-22 | 苏州瑞欧纳米设备开发有限公司 | Reverse osmosis membrane or cleaning method and system in nanofiltration membrane preparation process |
| CN110408475A (en) * | 2019-07-23 | 2019-11-05 | 杭州上拓环境科技股份有限公司 | A kind of cleaning combination of the membranous system for the dirt containing polyacrylamide, preparation method and application |
| CN112588120A (en) * | 2020-12-25 | 2021-04-02 | 上海丰信环保科技有限公司 | Reverse osmosis membrane repairing agent and repairing method |
| CN114082305A (en) * | 2021-11-11 | 2022-02-25 | 西安热工研究院有限公司 | Reverse osmosis cleaning agent for microorganism and organic matter pollution and preparation method thereof |
| CN114712941A (en) * | 2022-04-12 | 2022-07-08 | 聚创(广东)智能装备有限公司 | Method for cleaning monoammonium phosphate filter cloth |
| CN115155320A (en) * | 2022-08-03 | 2022-10-11 | 澳斯康生物(南通)股份有限公司 | Ultrafiltration membrane cleaning method and ultrafiltration method for protein solution |
| CN115155320B (en) * | 2022-08-03 | 2024-10-29 | 澳斯康生物(南通)股份有限公司 | Method for cleaning ultrafiltration membrane and method for ultrafiltration of protein solution |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102921305A (en) | Cleaning agent and cleaning method for removing residual aromatic amine substances in reverse osmosis membrane | |
| CN102242023B (en) | Laundry liquid with washing and caring functions | |
| CN104479899A (en) | Super-concentration fabric cleaning agent formula and preparing method thereof | |
| CN105386066B (en) | A kind of carbon steel pickling liquid and its application | |
| CN101735897A (en) | Separation film washing agent and using method thereof | |
| CN103469228A (en) | Environmentally-friendly water-based metal cleaner | |
| CN103469239A (en) | Metal cleaner | |
| CN103194328B (en) | Cosolvent-free high-power concentrated detergent and preparation method thereof | |
| CN105542999B (en) | A kind of antibacterial type clothes detergent | |
| CN104928061A (en) | Machining product cleaning agent | |
| JP2007262258A (en) | Deodorizing agent composition for cip and cleaning and deodorizing method using the same | |
| CN104164315A (en) | Multifunctional detergent | |
| CN107653085A (en) | A kind of scale remover | |
| DE1944904A1 (en) | Enzymatic washing agent to remove tea- - stains | |
| US2593259A (en) | Acid cleaner and detergent | |
| CN106085645A (en) | A kind of weaving rust remover and preparation method thereof | |
| JP2007209874A (en) | Dissolved chlorine capturing agent and detergent composition containing the same | |
| US3424689A (en) | Heavy-duty liquid detergent composition | |
| CN105419969A (en) | Preparation method of industrial heavy oil stain cleaner | |
| CN102533476A (en) | Oil tank cleaning agent and preparation method thereof | |
| CN105133310A (en) | Fabric rust remover | |
| CN106318670A (en) | Water-reducible cleaning agent for integrated circuit board scaling powder | |
| CN1117840C (en) | Detergent for milk products working equipment | |
| CN103275825A (en) | Mild and efficient washing powder | |
| JPS6153395A (en) | Foamable detergent composition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liang Songmiao Inventor after: Wu Zongce Inventor after: Jin Yan Inventor after: Cai Zhiqi Inventor after: Tao Jian Inventor after: Xu Guoyang Inventor before: Liang Songmiao Inventor before: Wu Zongce Inventor before: Jin Yan Inventor before: Cai Zhiqi Inventor before: Tao Jian Inventor before: Xu Guoyang |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130213 |