EP1349912A1 - Utilisation de produits a base d'acide percarboxylique, contenant des tensio-actifs et moussant peu pour la desinfection en circuit ferme - Google Patents

Utilisation de produits a base d'acide percarboxylique, contenant des tensio-actifs et moussant peu pour la desinfection en circuit ferme

Info

Publication number
EP1349912A1
EP1349912A1 EP01271432A EP01271432A EP1349912A1 EP 1349912 A1 EP1349912 A1 EP 1349912A1 EP 01271432 A EP01271432 A EP 01271432A EP 01271432 A EP01271432 A EP 01271432A EP 1349912 A1 EP1349912 A1 EP 1349912A1
Authority
EP
European Patent Office
Prior art keywords
acid
peracids
acids
ppm
carbon atoms
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.)
Granted
Application number
EP01271432A
Other languages
German (de)
English (en)
Other versions
EP1349912B1 (fr
Inventor
Siegfried Bragulla
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ecolab Inc
Original Assignee
Ecolab Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ecolab Inc filed Critical Ecolab Inc
Publication of EP1349912A1 publication Critical patent/EP1349912A1/fr
Application granted granted Critical
Publication of EP1349912B1 publication Critical patent/EP1349912B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • C11D3/39—Organic or inorganic per-compounds
    • C11D3/3947—Liquid compositions
    • 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
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10—Objects to be cleaned
    • C11D2111/14—Hard surfaces
    • C11D2111/20—Industrial or commercial equipment, e.g. reactors, tubes or engines

Definitions

  • the present invention relates to the use of low-foam, surfactant-containing percarboxylic acid agents for CIP disinfection.
  • halogen-releasing substances such as monobromacetic acid, oxidative compounds such as chlorine dioxide, peracetic acid, active chlorine and other antimicrobial substances such as isothiazolinones for cleaning and / or disinfecting hard surfaces is known.
  • foaming surfactants it may be that such active ingredients in the cleaning solution promote the formation of foam, which is not desirable, for example, in some of the fields of application of the food-producing industry, but also in the pharmaceutical or cosmetic industry, etc. ,
  • the problem addressed by the present invention was to look for simple means which, when used in disinfection using the ClP method, would achieve a very good disinfection result and, at the same time, wetting properties are positively influenced, without a foaming behavior which would be objectionable for the ClP process being observed.
  • CIP is an abbreviation commonly used in the professional world and stands for cleaning in place.
  • the person skilled in the art understands by CIP that hard surfaces of objects, containers, tanks, such as milk or fermentation tanks in breweries, usually automatically by means of cleaning agents and / or disinfectants stored on site, via devices and devices installed on or in the object to be cleaned, such as pipes, pumps, nozzles, containers, spray heads, are treated.
  • the CIP cleaning is the cleaning and / or disinfection of hard surfaces in a specific process, the ClP process. Due to the turbulent movement of the cleaning and disinfecting solution by pumping, spraying and other processes, agents and solutions that tend to foam are completely unsuitable for the ClP process.
  • agents which contain strongly foaming surfactants such as sulfonic acids or sulfonates, alkylamine oxides, ether carboxylic acids, alkyl ether sulfates, is generally not used in connection with the ClP process.
  • the wetting properties of the agents used are particularly important in the ClP process. Germ problems in CIP disinfection processes often occur when sufficiently effective disinfectants are used, but because of poor wetting they do not reach the surface to be disinfected or do not adhere to this surface for a sufficiently long time. This can have various reasons. On the one hand, it is possible that the devices and devices used for the ClP process are poorly matched to one another, or these are from others Reasons do not work as desired. Examples are that spray nozzles are clogged or the spray pressure generated by the pump is too low or the agent does not reach the surface to be disinfected due to objects which are present due to incorrect planning and which stand in the way of the spray jet and lead to so-called spray shadows.
  • Another disadvantage of common aqueous disinfectant solutions for ClP processes is also that, because of their poor wetting properties, they are unable to get into microscopic gaps, surfaces, scratches and inadequate corners and edges of plant areas made of stainless steel, in order here as well to completely destroy harmful microorganisms.
  • surface-active surfactants are able to compensate for this disadvantage.
  • many surfactants show very strong foaming behavior under application conditions due to their strong wetting action. Foaming disinfectant solutions cannot be used in the area of CIP systems for disinfecting closed circuits. Heavy foam formation would impair the technical function of these systems and lead to unwanted malfunctions. For this reason, the person skilled in the art, especially when using percarboxylic acid-containing agents in the ClP process, dispenses with surfactant components.
  • Surfactants that work with little foam in the CIP area are, for example, substances such as fatty alcohol ethoxylates and propoxylates. These substance classes are forbidden in use because they only become low-foaming at elevated (> 30 ° C) temperatures via the mechanism of the cloud point. Since the percarboxylic acids to be considered according to the present invention are preferably used cold (5 ° C. to 30 ° C.), the mechanism of these surfactants cannot be used. Other tested surfactants, which are already low-foaming even in the cold, have the disadvantage that they are destroyed by the strong oxidizing power of the disinfectant (percarboxylic acid) or that they destroy the disinfectant themselves.
  • the present invention accordingly relates to the use of an agent comprising surfactant components selected from sulfonic acids or sulfonates, alkylamine oxides, ether carboxylic acids and alkyl ether sulfates in a total amount of 0.01 to 1% by weight, preferably 0.05 to 0.5% by weight .-%, loading drew on the entire agent, and one or more percarboxylic acids selected from a) the peracids or salts of peracids with the general formula IR 2 -O 2 C- (CH 2 ) x -C0 3 H (I) wherein R 2 is hydrogen or a Alkyl group of 1 to 4 carbon atoms and x is a number of 1 to 4, and / or b) the phthalimido-percarboxylic acids (II), in which the percarboxylic acid content contains 1 to 18 carbon atoms, and / or c) the compounds of the formula III
  • surfactant components selected from sulfonic
  • the agent to be used according to the invention preferably contains sulfonic acids or sulfonates selected from xylene, octyl, naphthyl and alkylbenzenesulfonic acids or sulfonates, in the latter case the alkyl group containing between 6 and 16 carbon atoms.
  • the agent to be used according to the invention contains alkylbenzenesulfonic acids or sulfonates and / or ether carboxylic acids as surfactants.
  • alkylamine oxides are present as preferred components in the agent to be used according to the invention, these are preferably selected from the trialkylamine oxides with an alkyl group containing 8 to 20 carbon atoms and two alkyl groups with a smaller number of carbon atoms in the alkyl chain, the two shorter alkyl groups being the same or different can be, it being very particularly preferred that the amine oxide (s) selected is tallow fat bis (2-hydroxyethyl) amine oxide, oley bis (2-hydroxyethyl) amine oxide, coconut bis (2-hydroxyethyl) -) - Amine oxide, tetradecyldimethylamine oxide and / or alkyldimethylamine oxide which has 12 to 18 carbon atoms in the alkyl chain.
  • the one or more percarboxylic acids mentioned preferably make up a total of 1 to 40% by weight, particularly preferably 2.5 to 15% by weight, based on the total agent. It is also preferred that a) peracids according to the general formula I are contained, in which R 2 is hydrogen or a methyl group, and / or b) phthalimido peracids are included as peracids, in which the percarboxylic acid content is 1 contains up to 8 carbon atoms, and / or c) peracids according to the general formula III contain peracids with an alkyl or alkenyl group with 1 to 12 carbon atoms.
  • the agent to be used according to the invention is diluted before use in the ClP process to a disinfectant solution which, based on the total disinfectant solution, contains 0.05 ppm to 100 ppm, particularly preferably 0.5 ppm to 50 ppm, of the surfactants mentioned ,
  • the agent to be used according to the invention is diluted before use in the ClP process to a disinfectant solution which contains 10 ppm to 2000 ppm, preferably 50 ppm to 1000 ppm, of the percarboxylic acids mentioned, based on the total disinfectant solution.
  • the agents to be used according to the invention or their diluted solutions for CIP disinfection are preferably used in the food, pharmaceutical or cosmetics industry.
  • Another object of the present invention is a method for cleaning and / or disinfecting systems, in which a) in an earlier step the system is cleaned if necessary by alkaline and / or acidic agents, then b) optionally the surfaces of the system with water are rinsed off, and then c) an agent to be used according to the invention or its solution which is obtainable according to the invention and diluted with water is pumped around in the system manually or in an automatic system, and / or sprayed, the operating temperatures being between 0 and 50 ° C., preferably between 0 and 30 ° C and the pumping or spraying times are between 1 and 120 minutes, preferably between 5 and 60 minutes and, if desired, the system is rinsed with water of drinking water quality after the treatment.
  • the agents to be used according to the invention preferably contain additional components with complex-forming properties.
  • Suitable phosphonic acids are 1-hydroxyethane-1,1-diphosphonic acid, diethylenetriaminepentamethylenephosphonic acid or ethylenediaminetetramethylenephosphonic acid and their alkali metal salts in each case.
  • Preferred forms of application of the agents to be used according to the invention are aqueous solutions, gel, emulsion or paste.
  • agents V1 and E1 were adjusted with water to a concentration of 0.5% by weight and 1% by weight, based on the total solution.
  • the comparison means V1 mentioned and the agent E1 to be used according to the invention are contained in Table 1. It should be noted that the production of E1 and V1 was carried out in such a way that the agent to be used in both cases had about 4.5% by weight of peracetic acid, based on the total agent.
  • Table 1 Means for microbiological analysis (composition in% by weight)
  • a method was chosen to determine the foaming behavior of cleaning and disinfectants in the CIP cycle.
  • foam is generated by means of a pumping process and recorded by measurement.
  • several points must be observed or prepared for the implementation of the method: 1.
  • test soiling (10% by weight malt extract wort)
  • the foam test apparatus is rinsed with 500 mL of the respective solution (circulate for 5 minutes).
  • the apparatus is then filled to a height of 2.5 cm (measuring scale) with the solution and brought to a test temperature of 5 ° C.
  • the solution is then circulated at a flow rate of 115L / h.
  • the resulting foam is read off on the measuring scale after 10 minutes of circulation (foam height in cm). After the pump is switched off, the foam disintegration rate is determined based on the foam height after 1, 3 and 5 minutes.
  • degreased stainless steel sheets were immersed in these solutions.
  • the sheets were removed from the solutions using tweezers. The remaining solution is allowed to drain for 10 seconds. The extent of surface wetting was then assessed visually. It was found that at all three concentrations of E1 the degreased stainless steel sheets were wetted to about 95%. On the other hand, the degreased stainless steel sheets treated with different concentrations of V1 showed a wetting of only about 10% in all cases.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • External Artificial Organs (AREA)

Abstract

L'invention concerne l'utilisation pour la désinfection en circuit fermé d'un produit contenant des agents tensioactifs sélectionnés parmi des acides sulfoniques ou des sulfonates, des alkyl-aminoxydes, des acides éther carboxyliques et des sulfates d'alkyl-éther dans une quantité comprise au total entre 0,01 et 1 % en poids, de préférence comprise entre 0,05 et 0,5 % en poids, par rapport au produit total. Le produit selon l'invention contient également un ou plusieurs acides percarboxyliques sélectionnés parmi a) les peracides ou les sels de peracides de formule générale R<2>-O2C-(CH2)X CO3H (I), dans laquelle R<2> représente hydrogène ou un groupe alkyle ayant 1 à 4 atomes de carbone et x est un nombre de 1 à 4, parmi b) les acides phtalimido-percarboxyliques (II), dans lesquels la partie acide percarboxylique contient 1 à 18 atomes de carbone, ou parmi c) les composés de formule R<1>-CO3H (III), dans laquelle R<1> est un groupe alkyle ou alcényle ayant 1 à 18 atomes de carbone.
EP01271432A 2000-12-21 2001-12-12 Utilisation de produits a base d'acide percarboxylique, contenant des tensio-actifs et moussant peu pour la desinfection en circuit ferme Expired - Lifetime EP1349912B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10064372 2000-12-21
DE10064372A DE10064372A1 (de) 2000-12-21 2000-12-21 Verwendung schaumarmer, tensidhaltiger Percarbonsäure-Mittel zur CIP-Desinfektion
PCT/EP2001/014560 WO2002050233A1 (fr) 2000-12-21 2001-12-12 Utilisation de produits a base d'acide percarboxylique, contenant des tensio-actifs et moussant peu pour la desinfection en circuit ferme

Publications (2)

Publication Number Publication Date
EP1349912A1 true EP1349912A1 (fr) 2003-10-08
EP1349912B1 EP1349912B1 (fr) 2005-03-02

Family

ID=7668517

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01271432A Expired - Lifetime EP1349912B1 (fr) 2000-12-21 2001-12-12 Utilisation de produits a base d'acide percarboxylique, contenant des tensio-actifs et moussant peu pour la desinfection en circuit ferme

Country Status (5)

Country Link
US (1) US7226898B2 (fr)
EP (1) EP1349912B1 (fr)
AT (1) ATE290062T1 (fr)
DE (2) DE10064372A1 (fr)
WO (1) WO2002050233A1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7887641B2 (en) * 2004-01-09 2011-02-15 Ecolab Usa Inc. Neutral or alkaline medium chain peroxycarboxylic acid compositions and methods employing them
DE102004022392B4 (de) * 2004-05-06 2009-04-02 Gerhard Ruff Gmbh Desinfektionsmittel-Zusammensetzung enthaltend zumindest eine Persäure-Verbindung und deren Verwendung zur Raum- und Luftdesinfektion
US7641395B2 (en) 2004-06-22 2010-01-05 Halliburton Energy Serives, Inc. Fiber optic splice housing and integral dry mate connector system
US7470655B2 (en) * 2004-08-06 2008-12-30 Ecolab Inc. Method of inactivating prions
US8114222B2 (en) 2004-08-27 2012-02-14 Ecolab Usa Inc. Method for cleaning industrial equipment with pre-treatment
US8398781B2 (en) * 2004-08-27 2013-03-19 Ecolab Usa Inc. Methods for cleaning industrial equipment with pre-treatment
US7594763B2 (en) 2005-01-19 2009-09-29 Halliburton Energy Services, Inc. Fiber optic delivery system and side pocket mandrel removal system
CN101505604B (zh) 2006-04-27 2012-03-21 森特尼尔投资有限公司 低发泡的增强的杀生物过氧化氢组合物
US20090074881A1 (en) * 2006-05-02 2009-03-19 Bioneutral Laboratories Corporation Usa Antimicrobial cidality formulations with residual efficacy, uses thereof, and the preparation thereof
US20090288683A1 (en) * 2008-05-21 2009-11-26 Ecolab Inc. Alkaline peroxygen food soil cleaner
US9752105B2 (en) 2012-09-13 2017-09-05 Ecolab Usa Inc. Two step method of cleaning, sanitizing, and rinsing a surface
US9994799B2 (en) 2012-09-13 2018-06-12 Ecolab Usa Inc. Hard surface cleaning compositions comprising phosphinosuccinic acid adducts and methods of use
US20140308162A1 (en) 2013-04-15 2014-10-16 Ecolab Usa Inc. Peroxycarboxylic acid based sanitizing rinse additives for use in ware washing
US8871699B2 (en) 2012-09-13 2014-10-28 Ecolab Usa Inc. Detergent composition comprising phosphinosuccinic acid adducts and methods of use

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US5567444A (en) * 1993-08-30 1996-10-22 Ecolab Inc. Potentiated aqueous ozone cleaning and sanitizing composition for removal of a contaminating soil from a surface
US5861366A (en) * 1994-08-31 1999-01-19 Ecolab Inc. Proteolytic enzyme cleaner
AU695776B2 (en) 1995-07-12 1998-08-20 Novozymes A/S Cleaning-in-place with a solution containing a protease and a lipase
US6326032B1 (en) * 1998-11-18 2001-12-04 Ecolab Inc. Beverage manufacture and cold aseptic bottling using peroxyacid antimicrobial composition
US6436445B1 (en) * 1999-03-26 2002-08-20 Ecolab Inc. Antimicrobial and antiviral compositions containing an oxidizing species
US6627593B2 (en) * 2001-07-13 2003-09-30 Ecolab Inc. High concentration monoester peroxy dicarboxylic acid compositions, use solutions, and methods employing them
US6679274B2 (en) * 2001-08-10 2004-01-20 Eastman Kodak Company Clean-in-place method for cleaning solution delivery systemes/lines

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Title
See references of WO0250233A1 *

Also Published As

Publication number Publication date
US20040029755A1 (en) 2004-02-12
US7226898B2 (en) 2007-06-05
DE10064372A1 (de) 2002-07-11
ATE290062T1 (de) 2005-03-15
EP1349912B1 (fr) 2005-03-02
DE50105496D1 (de) 2005-04-07
WO2002050233A1 (fr) 2002-06-27

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