CA1062999A - Cleaning of hard surfaces - Google Patents
Cleaning of hard surfacesInfo
- Publication number
- CA1062999A CA1062999A CA261,071A CA261071A CA1062999A CA 1062999 A CA1062999 A CA 1062999A CA 261071 A CA261071 A CA 261071A CA 1062999 A CA1062999 A CA 1062999A
- Authority
- CA
- Canada
- Prior art keywords
- dithionite
- weight
- sodium
- composition
- cleaning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000004140 cleaning Methods 0.000 title abstract description 25
- 239000000203 mixture Substances 0.000 claims abstract description 41
- GRWZHXKQBITJKP-UHFFFAOYSA-L dithionite(2-) Chemical compound [O-]S(=O)S([O-])=O GRWZHXKQBITJKP-UHFFFAOYSA-L 0.000 claims abstract description 35
- 239000012190 activator Substances 0.000 claims abstract description 8
- 150000004056 anthraquinones Chemical class 0.000 claims abstract description 3
- 229930192627 Naphthoquinone Chemical class 0.000 claims abstract 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 claims abstract 2
- 150000004054 benzoquinones Chemical class 0.000 claims abstract 2
- 150000002791 naphthoquinones Chemical class 0.000 claims abstract 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical group [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 12
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 11
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical group [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 claims description 11
- 239000002562 thickening agent Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 claims description 7
- 239000004094 surface-active agent Substances 0.000 claims description 7
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 6
- 235000010265 sodium sulphite Nutrition 0.000 claims description 6
- 235000011152 sodium sulphate Nutrition 0.000 claims description 5
- 239000008139 complexing agent Substances 0.000 claims description 4
- 150000004676 glycans Chemical class 0.000 claims description 2
- 229920001282 polysaccharide Polymers 0.000 claims description 2
- 239000005017 polysaccharide Substances 0.000 claims description 2
- 125000004029 hydroxymethyl group Chemical group [H]OC([H])([H])* 0.000 claims 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 26
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 12
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 8
- 229910052708 sodium Inorganic materials 0.000 description 8
- 239000011734 sodium Substances 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 239000000428 dust Substances 0.000 description 7
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 6
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 5
- 229910052783 alkali metal Inorganic materials 0.000 description 5
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 5
- -1 sodium dithionite Chemical class 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 235000006408 oxalic acid Nutrition 0.000 description 4
- 239000011550 stock solution Substances 0.000 description 4
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009972 noncorrosive effect Effects 0.000 description 3
- 239000002736 nonionic surfactant Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 2
- MMNWSHJJPDXKCH-UHFFFAOYSA-N 9,10-dioxoanthracene-2-sulfonic acid Chemical compound C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 MMNWSHJJPDXKCH-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- RGHNJXZEOKUKBD-SQOUGZDYSA-N D-gluconic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 description 2
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical group C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- DZCAZXAJPZCSCU-UHFFFAOYSA-K sodium nitrilotriacetate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CN(CC([O-])=O)CC([O-])=O DZCAZXAJPZCSCU-UHFFFAOYSA-K 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- AEQDJSLRWYMAQI-UHFFFAOYSA-N 2,3,9,10-tetramethoxy-6,8,13,13a-tetrahydro-5H-isoquinolino[2,1-b]isoquinoline Chemical compound C1CN2CC(C(=C(OC)C=C3)OC)=C3CC2C2=C1C=C(OC)C(OC)=C2 AEQDJSLRWYMAQI-UHFFFAOYSA-N 0.000 description 1
- HQJLEFDAYKUXSA-UHFFFAOYSA-N 2,3-dihydroxycyclohexa-2,5-diene-1,4-dione Chemical compound OC1=C(O)C(=O)C=CC1=O HQJLEFDAYKUXSA-UHFFFAOYSA-N 0.000 description 1
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- RGHNJXZEOKUKBD-SQOUGZDYSA-M D-gluconate Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O RGHNJXZEOKUKBD-SQOUGZDYSA-M 0.000 description 1
- RGHNJXZEOKUKBD-UHFFFAOYSA-N D-gluconic acid Natural products OCC(O)C(O)C(O)C(O)C(O)=O RGHNJXZEOKUKBD-UHFFFAOYSA-N 0.000 description 1
- PQUCIEFHOVEZAU-UHFFFAOYSA-N Diammonium sulfite Chemical compound [NH4+].[NH4+].[O-]S([O-])=O PQUCIEFHOVEZAU-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- FKHNQSIOGWGQNY-UHFFFAOYSA-L [Na+].[Na+].[O-]S[O-] Chemical compound [Na+].[Na+].[O-]S[O-] FKHNQSIOGWGQNY-UHFFFAOYSA-L 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- IPPWILKGXFOXHO-UHFFFAOYSA-N chloranilic acid Chemical compound OC1=C(Cl)C(=O)C(O)=C(Cl)C1=O IPPWILKGXFOXHO-UHFFFAOYSA-N 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 229960001484 edetic acid Drugs 0.000 description 1
- 229940071106 ethylenediaminetetraacetate Drugs 0.000 description 1
- VEPSWGHMGZQCIN-UHFFFAOYSA-H ferric oxalate Chemical compound [Fe+3].[Fe+3].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O VEPSWGHMGZQCIN-UHFFFAOYSA-H 0.000 description 1
- 229940062993 ferrous oxalate Drugs 0.000 description 1
- 229940050410 gluconate Drugs 0.000 description 1
- 239000000174 gluconic acid Substances 0.000 description 1
- 235000012208 gluconic acid Nutrition 0.000 description 1
- 239000008233 hard water Substances 0.000 description 1
- 229920003063 hydroxymethyl cellulose Polymers 0.000 description 1
- 229940031574 hydroxymethyl cellulose Drugs 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- OWZIYWAUNZMLRT-UHFFFAOYSA-L iron(2+);oxalate Chemical compound [Fe+2].[O-]C(=O)C([O-])=O OWZIYWAUNZMLRT-UHFFFAOYSA-L 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- GUEIZVNYDFNHJU-UHFFFAOYSA-N quinizarin Chemical compound O=C1C2=CC=CC=C2C(=O)C2=C1C(O)=CC=C2O GUEIZVNYDFNHJU-UHFFFAOYSA-N 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- 239000000176 sodium gluconate Substances 0.000 description 1
- 229940005574 sodium gluconate Drugs 0.000 description 1
- 235000012207 sodium gluconate Nutrition 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 239000004291 sulphur dioxide Substances 0.000 description 1
- 235000010269 sulphur dioxide Nutrition 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
- UEUXEKPTXMALOB-UHFFFAOYSA-J tetrasodium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O UEUXEKPTXMALOB-UHFFFAOYSA-J 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/0005—Other compounding ingredients characterised by their effect
- C11D3/0042—Reducing agents
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/24—Cleaning or pickling metallic material with solutions or molten salts with neutral solutions
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB38550/75A GB1496805A (en) | 1975-09-19 | 1975-09-19 | Dithionite composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1062999A true CA1062999A (en) | 1979-09-25 |
Family
ID=10404201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA261,071A Expired CA1062999A (en) | 1975-09-19 | 1976-09-13 | Cleaning of hard surfaces |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4082683A (enExample) |
| AT (1) | AT346665B (enExample) |
| BE (1) | BE846359A (enExample) |
| CA (1) | CA1062999A (enExample) |
| CH (1) | CH624077A5 (enExample) |
| DE (1) | DE2641335A1 (enExample) |
| FR (1) | FR2324731A1 (enExample) |
| GB (1) | GB1496805A (enExample) |
| NL (1) | NL7610230A (enExample) |
| SE (1) | SE413782B (enExample) |
Families Citing this family (71)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2735816C3 (de) * | 1977-08-09 | 1981-08-13 | Basf Ag, 6700 Ludwigshafen | Verfahren zum Entschlichten und Bleichen von Textilgut |
| NZ203201A (en) * | 1982-02-12 | 1985-01-31 | Smith & Nephew Ass | Sulphur dioxide-releasing composition containing hydroquinone |
| US4610728A (en) * | 1982-10-19 | 1986-09-09 | Ram Natesh | Method and composition for dissolving deposits of magnetite |
| US4511407A (en) * | 1982-11-01 | 1985-04-16 | Electric Power Research Institute, Inc. | Method of cleaning corroded metal articles by induction heating |
| DE3406322A1 (de) * | 1984-02-22 | 1985-08-22 | Basf Ag, 6700 Ludwigshafen | Stabilisierte, wasser enthaltende, alkalisch eingestellte natriumdithionitzubereitungen |
| GB8608148D0 (en) * | 1986-04-03 | 1986-05-08 | Procter & Gamble | Liquid cleaner |
| US5078894A (en) * | 1990-04-30 | 1992-01-07 | Arch Development Corporation | Formulations for iron oxides dissolution |
| US5395585A (en) * | 1990-07-24 | 1995-03-07 | Aquarium Pharmaceuticals, Inc. | Method for controlling odor |
| US5211872A (en) * | 1990-07-24 | 1993-05-18 | Aquarium Pharmaceuticals, Inc. | Composition for detoxifying ammonia and chloramine in aquatic environments and method of making the same |
| EP0639665A1 (de) * | 1993-08-20 | 1995-02-22 | Ciba-Geigy Ag | Phosphatfreies Reduktionsbleichmittel |
| NZ336455A (en) | 1996-12-20 | 2001-04-27 | Usf Filtration & Separations | A method for cleaning porous membranes using a gas bubble system |
| DE29703010U1 (de) * | 1997-02-20 | 1997-07-10 | Brauns-Heitmann GmbH & Co KG, 34414 Warburg | Silberbad |
| US6297208B1 (en) | 1999-10-11 | 2001-10-02 | Iron Out, Inc. | Rust stain removal formula |
| AUPR421501A0 (en) * | 2001-04-04 | 2001-05-03 | U.S. Filter Wastewater Group, Inc. | Potting method |
| AUPR692401A0 (en) * | 2001-08-09 | 2001-08-30 | U.S. Filter Wastewater Group, Inc. | Method of cleaning membrane modules |
| EP1312408B1 (en) * | 2001-11-16 | 2006-07-19 | US Filter Wastewater Group, Inc. | Method of cleaning membranes |
| US7247238B2 (en) | 2002-02-12 | 2007-07-24 | Siemens Water Technologies Corp. | Poly(ethylene chlorotrifluoroethylene) membranes |
| AUPS300602A0 (en) | 2002-06-18 | 2002-07-11 | U.S. Filter Wastewater Group, Inc. | Methods of minimising the effect of integrity loss in hollow fibre membrane modules |
| KR101002466B1 (ko) | 2002-10-10 | 2010-12-17 | 지멘스 워터 테크놀로지스 코포레이션 | 역세척 방법 |
| AU2002953111A0 (en) | 2002-12-05 | 2002-12-19 | U. S. Filter Wastewater Group, Inc. | Mixing chamber |
| ES2303051T3 (es) * | 2003-02-15 | 2008-08-01 | Unilever N.V. | Procedimiento de blanqueo. |
| JP4611982B2 (ja) * | 2003-08-29 | 2011-01-12 | シーメンス・ウォーター・テクノロジーズ・コーポレーション | 逆洗方法 |
| US8808540B2 (en) * | 2003-11-14 | 2014-08-19 | Evoqua Water Technologies Llc | Module cleaning method |
| US8758621B2 (en) * | 2004-03-26 | 2014-06-24 | Evoqua Water Technologies Llc | Process and apparatus for purifying impure water using microfiltration or ultrafiltration in combination with reverse osmosis |
| EP2380854A3 (en) * | 2004-04-22 | 2012-07-04 | Siemens Industry, Inc. | Filtration apparatus comprising a membrane bioreactor and a treatment vessel for digesting organic materials |
| CN101052457B (zh) | 2004-08-20 | 2012-07-04 | 西门子工业公司 | 正方形mbr歧管系统 |
| US8790515B2 (en) * | 2004-09-07 | 2014-07-29 | Evoqua Water Technologies Llc | Reduction of backwash liquid waste |
| WO2006029456A1 (en) * | 2004-09-14 | 2006-03-23 | Siemens Water Technologies Corp. | Methods and apparatus for removing solids from a membrane module |
| NZ553771A (en) * | 2004-09-15 | 2010-11-26 | Siemens Water Tech Corp | Continuously variable aeration of membrane filtration system and flow control device when used in such application |
| US7591950B2 (en) | 2004-11-02 | 2009-09-22 | Siemens Water Technologies Corp. | Submerged cross-flow filtration |
| EP1838422A4 (en) * | 2004-12-24 | 2009-09-02 | Siemens Water Tech Corp | EASY GAS FLUSHING PROCESS AND APPROPRIATE DEVICE |
| NZ555856A (en) * | 2004-12-24 | 2010-03-26 | Siemens Water Tech Corp | Cleaning in membrane filtration systems |
| JP2008526497A (ja) * | 2005-01-14 | 2008-07-24 | シーメンス・ウォーター・テクノロジーズ・コーポレーション | 濾過システム |
| CN101184548B (zh) * | 2005-04-29 | 2011-10-05 | 西门子水技术公司 | 用于膜滤器的化学清洗剂 |
| SG140229A1 (en) | 2005-08-22 | 2008-03-28 | Siemens Water Tech Corp | An assembly for water filtration using a tube manifold to minimise backwash |
| WO2007044415A2 (en) | 2005-10-05 | 2007-04-19 | Siemens Water Technologies Corp. | Method and apparatus for treating wastewater |
| US7563363B2 (en) | 2005-10-05 | 2009-07-21 | Siemens Water Technologies Corp. | System for treating wastewater |
| NZ568167A (en) * | 2005-12-09 | 2010-04-30 | Siemens Water Tech Corp | Reduced backwash volume process |
| US20090001018A1 (en) * | 2006-01-12 | 2009-01-01 | Fufang Zha | Operating Strategies in Filtration Processes |
| US7455765B2 (en) | 2006-01-25 | 2008-11-25 | Siemens Water Technologies Corp. | Wastewater treatment system and method |
| WO2008025077A1 (en) * | 2006-08-31 | 2008-03-06 | Siemens Water Technologies Corp. | Low pressure backwash |
| WO2008051546A2 (en) * | 2006-10-24 | 2008-05-02 | Siemens Water Technologies Corp. | Infiltration/inflow control for membrane bioreactor |
| AU2008215180A1 (en) * | 2007-02-16 | 2008-08-21 | Siemens Industry, Inc. | Membrane filtration process and design |
| CA2682707C (en) | 2007-04-02 | 2014-07-15 | Siemens Water Technologies Corp. | Improved infiltration/inflow control for membrane bioreactor |
| NZ579779A (en) * | 2007-04-04 | 2012-10-26 | Siemens Industry Inc | Filtration system including fine apertured screen |
| US9764288B2 (en) | 2007-04-04 | 2017-09-19 | Evoqua Water Technologies Llc | Membrane module protection |
| CA2686937A1 (en) * | 2007-05-29 | 2008-12-04 | Siemens Water Technologies Corp. | Membrane cleaning using an airlift pump |
| KR101625172B1 (ko) | 2007-05-29 | 2016-05-27 | 에보쿠아 워터 테크놀로지스 엘엘씨 | 수처리 시스템 |
| EP2158026A4 (en) * | 2007-06-28 | 2011-06-29 | Siemens Industry Inc | CLEANING PROCEDURE FOR SIMPLE FILTRATION SYSTEMS |
| DE502007003883D1 (de) * | 2007-11-12 | 2010-07-01 | Pastaclean Gmbh | Reinigungspaste |
| US8192550B2 (en) * | 2008-02-01 | 2012-06-05 | Ateco Services Ag | Use of an aqueous neutral cleaning solution and method for removing rouging from stainless steel surfaces |
| EP2090676A1 (de) * | 2008-02-01 | 2009-08-19 | Ateco Services AG | Verfahren zur Entfernung von Belägen und Ablagerungen |
| EP2331242B1 (en) | 2008-07-24 | 2018-09-05 | Evoqua Water Technologies LLC | Frame system for membrane filtration modules |
| EP2313172A4 (en) * | 2008-08-14 | 2013-03-13 | Siemens Industry Inc | BLOCK CONFIGURATION FOR DISTILLATION ON LARGE SCALE MEMBRANE |
| EP2315625B1 (en) * | 2008-08-20 | 2018-05-16 | Evoqua Water Technologies LLC | Improved membrane system backwash energy efficiency |
| WO2010141560A1 (en) * | 2009-06-02 | 2010-12-09 | Siemens Water Technologies Corp. | Membrane cleaning with pulsed gas slugs and global aeration |
| WO2010142673A1 (en) * | 2009-06-11 | 2010-12-16 | Siemens Water Technologies Corp. | Methods for cleaning a porous polymeric membrane and a kit for cleaning a porous polymeric membrane |
| HUE045642T2 (hu) | 2010-04-30 | 2020-01-28 | Evoqua Water Tech Llc | Folyadékáramlás elosztó készülék |
| CN101949019A (zh) * | 2010-07-30 | 2011-01-19 | 刘思波 | 一种血液透析机液路系统除锈剂 |
| WO2012040412A1 (en) | 2010-09-24 | 2012-03-29 | Siemens Industry, Inc. | Fluid control manifold for membrane filtration system |
| CA2850522C (en) | 2011-09-30 | 2021-03-16 | Evoqua Water Technologies Llc | Shut-off valve for isolation of hollow fiber membrane filtration module |
| AU2013200833B2 (en) | 2011-09-30 | 2015-09-17 | Evoqua Water Technologies Llc | Improved manifold arrangement |
| KR102108593B1 (ko) | 2012-06-28 | 2020-05-29 | 에보쿠아 워터 테크놀로지스 엘엘씨 | 포팅 방법 |
| DE112013004713T5 (de) | 2012-09-26 | 2015-07-23 | Evoqua Water Technologies Llc | Membransicherungsvorrichtung |
| US9962865B2 (en) | 2012-09-26 | 2018-05-08 | Evoqua Water Technologies Llc | Membrane potting methods |
| EP2900356A1 (en) | 2012-09-27 | 2015-08-05 | Evoqua Water Technologies LLC | Gas scouring apparatus for immersed membranes |
| HUE061765T2 (hu) | 2013-10-02 | 2023-08-28 | Rohm & Haas Electronic Mat Singapore Pte Ltd | Berendezés membrán filtrációs modul javítására |
| CN107847869B (zh) | 2015-07-14 | 2021-09-10 | 罗门哈斯电子材料新加坡私人有限公司 | 用于过滤系统的通气装置 |
| DE102015114481B4 (de) | 2015-08-31 | 2018-05-09 | Nikolay Tzvetkov Tzvetkov | Wässrig-neutrale derouging-, entrostungs-, passivierungs- und dekontaminierungslösungen und verfahren zu ihrer verwendung |
| DE102016107681A1 (de) * | 2016-04-26 | 2017-10-26 | Kerona Gmbh | Substanz zum Lösen von Korrosionsschichten |
| US10830093B2 (en) * | 2017-06-13 | 2020-11-10 | General Electric Company | System and methods for selective cleaning of turbine engine components |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA644507A (en) * | 1962-07-10 | Nalco Chemical Company | Cleaning compositions and methods | |
| NL74023C (enExample) * | 1946-06-27 | |||
| GB977112A (en) * | 1960-03-03 | 1964-12-02 | Rohm & Haas | Removal of iron oxide |
| US3183191A (en) * | 1960-04-19 | 1965-05-11 | Hach Chemical Co | Stain and rust removing composition |
| CA689395A (en) * | 1961-05-26 | 1964-06-23 | Colgate-Palmolive Company | Compositions for and processes of removing stains |
| DE1926279A1 (de) * | 1969-05-22 | 1970-11-26 | Elma Ohg Chem Fab Dr Lehmann & | Waschhilfsmittel |
| US3732171A (en) * | 1970-09-14 | 1973-05-08 | Morton Int Inc | Composition and method for iron removal |
| US3773679A (en) * | 1972-01-14 | 1973-11-20 | Virginia Chemicals Inc | Sodium dithionite solution stabilization |
-
1975
- 1975-09-19 GB GB38550/75A patent/GB1496805A/en not_active Expired
-
1976
- 1976-09-10 US US05/722,254 patent/US4082683A/en not_active Expired - Lifetime
- 1976-09-13 CA CA261,071A patent/CA1062999A/en not_active Expired
- 1976-09-14 DE DE19762641335 patent/DE2641335A1/de not_active Ceased
- 1976-09-15 NL NL7610230A patent/NL7610230A/xx not_active Application Discontinuation
- 1976-09-16 SE SE7610293A patent/SE413782B/xx unknown
- 1976-09-16 CH CH1175476A patent/CH624077A5/de not_active IP Right Cessation
- 1976-09-17 FR FR7628056A patent/FR2324731A1/fr active Granted
- 1976-09-17 BE BE170755A patent/BE846359A/xx not_active IP Right Cessation
- 1976-09-17 AT AT691276A patent/AT346665B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2324731B1 (enExample) | 1982-06-04 |
| SE413782B (sv) | 1980-06-23 |
| US4082683A (en) | 1978-04-04 |
| GB1496805A (en) | 1978-01-05 |
| ATA691276A (de) | 1978-03-15 |
| CH624077A5 (enExample) | 1981-07-15 |
| NL7610230A (nl) | 1977-03-22 |
| SE7610293L (sv) | 1977-03-20 |
| FR2324731A1 (fr) | 1977-04-15 |
| BE846359A (fr) | 1977-03-17 |
| AT346665B (de) | 1978-11-27 |
| DE2641335A1 (de) | 1977-03-24 |
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