JPH0580560B2 - - Google Patents
Info
- Publication number
- JPH0580560B2 JPH0580560B2 JP6262784A JP6262784A JPH0580560B2 JP H0580560 B2 JPH0580560 B2 JP H0580560B2 JP 6262784 A JP6262784 A JP 6262784A JP 6262784 A JP6262784 A JP 6262784A JP H0580560 B2 JPH0580560 B2 JP H0580560B2
- Authority
- JP
- Japan
- Prior art keywords
- cleaning
- acid
- membrane
- ultrafiltration
- solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000004140 cleaning Methods 0.000 claims description 43
- 239000012528 membrane Substances 0.000 claims description 26
- 238000004070 electrodeposition Methods 0.000 claims description 23
- 238000000108 ultra-filtration Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 16
- 150000007524 organic acids Chemical class 0.000 claims description 14
- 239000003973 paint Substances 0.000 claims description 13
- 150000007522 mineralic acids Chemical class 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 8
- 125000002091 cationic group Chemical group 0.000 claims description 7
- 150000007529 inorganic bases Chemical class 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 239000000243 solution Substances 0.000 description 20
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 12
- 239000007788 liquid Substances 0.000 description 11
- 239000011347 resin Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000007654 immersion Methods 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 235000011054 acetic acid Nutrition 0.000 description 4
- 125000001931 aliphatic group Chemical group 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 4
- 150000002736 metal compounds Chemical class 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- 238000011001 backwashing Methods 0.000 description 3
- 239000012459 cleaning agent Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 150000002611 lead compounds Chemical class 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 235000021317 phosphate Nutrition 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 229910017053 inorganic salt Inorganic materials 0.000 description 2
- 239000004310 lactic acid Substances 0.000 description 2
- 235000014655 lactic acid Nutrition 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 239000002736 nonionic surfactant Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000011550 stock solution Substances 0.000 description 2
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 1
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- -1 aromatic organic acid Chemical class 0.000 description 1
- 235000019445 benzyl alcohol Nutrition 0.000 description 1
- 229960004217 benzyl alcohol Drugs 0.000 description 1
- HUTDDBSSHVOYJR-UHFFFAOYSA-H bis[(2-oxo-1,3,2$l^{5},4$l^{2}-dioxaphosphaplumbetan-2-yl)oxy]lead Chemical compound [Pb+2].[Pb+2].[Pb+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O HUTDDBSSHVOYJR-UHFFFAOYSA-H 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
- 229910001430 chromium ion Inorganic materials 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 229940028356 diethylene glycol monobutyl ether Drugs 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000009285 membrane fouling Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- JCGNDDUYTRNOFT-UHFFFAOYSA-N oxolane-2,4-dione Chemical compound O=C1COC(=O)C1 JCGNDDUYTRNOFT-UHFFFAOYSA-N 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6262784A JPS60204898A (ja) | 1984-03-29 | 1984-03-29 | 電着塗装ラインにおける限外濾過膜の濾過性能回復方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6262784A JPS60204898A (ja) | 1984-03-29 | 1984-03-29 | 電着塗装ラインにおける限外濾過膜の濾過性能回復方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60204898A JPS60204898A (ja) | 1985-10-16 |
| JPH0580560B2 true JPH0580560B2 (enrdf_load_stackoverflow) | 1993-11-09 |
Family
ID=13205741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6262784A Granted JPS60204898A (ja) | 1984-03-29 | 1984-03-29 | 電着塗装ラインにおける限外濾過膜の濾過性能回復方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60204898A (enrdf_load_stackoverflow) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62151597A (ja) * | 1985-12-25 | 1987-07-06 | Toyota Auto Body Co Ltd | 電着槽の有機酸透過膜の再生方法 |
| DE19938886C1 (de) | 1999-08-17 | 2001-02-01 | Dupont Automotive Coatings Gmb | Reinigungsmittel und Verfahren zur Reinigung von Ultrafiltrationsmembranen in Elektrotauchlackierungsanlagen |
| US7374686B2 (en) | 2006-04-11 | 2008-05-20 | Basf Corporation | Electrocoat manufacturing process |
| US20100133184A1 (en) * | 2007-04-03 | 2010-06-03 | Asahi Kasei Chemicals Corporation | Cleaning agent for separation membrane, process for preparing the cleaning agent, and cleaning method |
| TW202235605A (zh) * | 2020-11-17 | 2022-09-16 | 日商東京應化工業股份有限公司 | 膜洗淨液及膜之洗淨方法 |
-
1984
- 1984-03-29 JP JP6262784A patent/JPS60204898A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60204898A (ja) | 1985-10-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |