EP1456338A2 - Agent nettoyant et desinfectant - Google Patents

Agent nettoyant et desinfectant

Info

Publication number
EP1456338A2
EP1456338A2 EP02778980A EP02778980A EP1456338A2 EP 1456338 A2 EP1456338 A2 EP 1456338A2 EP 02778980 A EP02778980 A EP 02778980A EP 02778980 A EP02778980 A EP 02778980A EP 1456338 A2 EP1456338 A2 EP 1456338A2
Authority
EP
European Patent Office
Prior art keywords
cleaning
agent according
chlorite
disinfecting agent
bromate
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
EP02778980A
Other languages
German (de)
English (en)
Other versions
EP1456338B1 (fr
Inventor
Christian Thonhauser
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.)
Thonhauser GmbH
Original Assignee
Thonhauser GmbH
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 Thonhauser GmbH filed Critical Thonhauser GmbH
Priority to AT02778980T priority Critical patent/ATE341607T1/de
Publication of EP1456338A2 publication Critical patent/EP1456338A2/fr
Application granted granted Critical
Publication of EP1456338B1 publication Critical patent/EP1456338B1/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
    • C11D3/48—Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial 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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/395—Bleaching agents
    • C11D3/3956—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 invention relates to a cleaning and disinfecting agent according to the preamble of claim 1.
  • Such agents are used in particular for cleaning beverage dispensers, where they develop their biocidal effect primarily by ensuring a strong alkaline environment. If the oxidizing effect of the agent is desired, it is usually achieved using chlorite, which is converted to chlorine dioxide as the agent is applied.
  • the aim of the invention is thus a cleaning and disinfecting agent which avoids these disadvantages with constant oxidizing and disinfecting effect. It should be achieved, the cleaning and disinfecting agent in the form of a single liquid component to make the application as easy as possible.
  • Claim 1 provides, in alkaline conditions of pH values above 10, preferably 12.5, to provide in addition to the chlorite bromate. As will be explained in more detail, an appreciable release of chlorine dioxide during storage of the cleaning and disinfecting agent according to the invention can be prevented by these measures. Only when it comes in the course of application by dilution of the composition according to the invention for pH reduction, chlorine dioxide is released to the desired extent.
  • Claim 2 proposes an advantageous choice of Bromats and claim 3 an advantageous choice of chlorite.
  • claim 4 an advantageous choice for ensuring the alkaline environment is proposed.
  • Claim 6 finally gives a favorable choice of the composition of the agent according to the invention.
  • Claim 7 calls the most favorable form for the storage of the agent according to the invention and claim 8 an advantageous type of application.
  • Fig. 1 is a Pourbaix diagram under standard conditions for the invention relevant reactions
  • FIG. 2 shows a DP (differential pulse) polarogram to means according to the invention.
  • a square bracket refers to the concentration of each species. Like Eq. 1, the E h value also depends on the concentration ratio of chlorite and chlorine dioxide.
  • Line 1 in Figure 1 shows the potential line for a 50:50 ratio of chlorite to chlorine dioxide, while line 2 refers to a 0.0001% release of the chlorine dioxide. If the potential according to line 2 is exceeded, only negligible amounts of chlorine dioxide are formed, and such a solution can be stored well despite the unavoidable instability of the chlorite (oxidation of water below 0 2 release).
  • the decisive factor for the amount of primarily formed chlorine dioxide is the mixed potential of the solution, which can be determined by choosing a suitable ratio of chlorite to bromate and will be located between line 3 and line 4 in FIG.
  • Chlorine dioxide is released in the slightest traces, but disproportionates rapidly. Chlorite is thereby recovered in half. The resulting equilibrium concentration of chlorine dioxide is low. After dilution, the decomposition of chlorite and bromate proceed essentially as in storage. Chlorine dioxide, on the other hand, is now significantly enhanced, though not released quantitatively. The now established equilibrium concentration of chlorine dioxide is high.
  • Disinfectants document and are not to be understood in a limiting sense.
  • the cleaning and disinfecting agent according to the invention can be used particularly expedient for beverage dispensing systems.
  • the corresponding product contains 33% NaOH, 3% KOH, 2% phosphonebutanetricarboxylic acid tetrasodium salt, 2% sodium chlorite and 0.5% sodium bromate.
  • This composition is characterized by frost resistance (ie no precipitation) to about -5 ° C.
  • the application is carried out in a concentration of about 1 to 3 percent by volume. The release of the now formed at a reduced pH chlorine dioxide occurs quickly (less than 5 to 10 minutes).
  • the concentration of chlorine dioxide (about 3 to 10 mg / l) contained in the application solution ensures that even after a relatively short reaction time (less than 20 minutes) all microorganisms living in the dispensing system are killed.
  • a relatively short reaction time less than 20 minutes
  • free chlorine dioxide by additional oxidative effect
  • the cleaning and disinfecting agent according to the invention can also be used for CIP cleaning (as an additive): Cleaning in place (CIP) cleaning in the dairy and beverage industry usually works according to the process steps:
  • a disinfection step is still downstream.
  • the task of l-2% cleaning liquor is the up and release of organic contaminants in pipelines, tanks, tanks and the like.
  • an oxidizing effect of the liquor is desired around certain deposits, e.g. Polyphenols, dyes, grease and resin components have included better and faster peel.
  • a disinfecting action of the liquor may be desirable to kill certain alkali-resistant microorganisms, e.g. can be detected in stack containers of the CIP liquor.
  • the disinfectant according to the invention can also be used for the treatment of swimming pool water:
  • the formulation is modified for this purpose so that the required for the storage stability of the concentrate alkalinity is kept to a minimum (1 to 4 mol / 1). Due to the improved solubilities of sodium chlorite and sodium bromate in the absence of highest concentrations of alkali ions (especially potassium), their proportion in the concentrate can now be increased so much that a use concentration of less than 0.001% is sufficient (this corresponds to about 0.5 lt. for 50 m 3 bath water at 0.1 to 0.2 mg / 1 C10 2 ). Depending on the hardness of the water and the frequency of dosing, an excessively rapid increase in the pH of the pelvis is prevented.

Landscapes

  • Chemical & Material Sciences (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)
  • Detergent Compositions (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

L'invention concerne un agent nettoyant et désinfectant contenant du chlorite hydrosoluble qui contient en outre un bromate hydrosoluble et un agent pour créer un milieu alcalin d'un pH minimum de 10, et de préférence d'au moins 12.5. L'agent nettoyant et désinfectant de la présente invention, se présentant sous forme de composant liquide unique, a une bonne stabilité au stockage. Cet agent est utilisé sous forme diluée, l'abaissement du pH provoqué par la dilution libérant ainsi le dioxyde de chlore.
EP02778980A 2001-10-23 2002-10-22 Agent nettoyant et desinfectant Expired - Lifetime EP1456338B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT02778980T ATE341607T1 (de) 2001-10-23 2002-10-22 Reinigungs- und desinfektionsmittel

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT16852001 2001-10-23
AT0168501A AT410801B (de) 2001-10-23 2001-10-23 Reinigungs- und desinfektionsmittel
PCT/AT2002/000300 WO2003035812A2 (fr) 2001-10-23 2002-10-22 Agent nettoyant et desinfectant

Publications (2)

Publication Number Publication Date
EP1456338A2 true EP1456338A2 (fr) 2004-09-15
EP1456338B1 EP1456338B1 (fr) 2006-10-04

Family

ID=3688655

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02778980A Expired - Lifetime EP1456338B1 (fr) 2001-10-23 2002-10-22 Agent nettoyant et desinfectant

Country Status (5)

Country Link
EP (1) EP1456338B1 (fr)
AT (2) AT410801B (fr)
AU (1) AU2002342377A1 (fr)
DE (1) DE50208361D1 (fr)
WO (1) WO2003035812A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT413032B (de) * 2003-11-11 2005-10-15 Thonhauser Gmbh Dipl Ing Reinigungs-, desinfektions- und indikatormittel
US8433005B2 (en) 2004-01-28 2013-04-30 Qualcomm Incorporated Frame synchronization and initial symbol timing acquisition system and method
EP2764776A1 (fr) 2013-02-07 2014-08-13 Thonhauser GmbH Détection de salissures de surfaces

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3629124A (en) * 1969-08-27 1971-12-21 Monsanto Co Bleaching sterilizing disinfecting and deterging compositions
JPS5649309A (en) * 1979-09-28 1981-05-02 Nippon Soda Co Ltd Control agent against algae
US5076960A (en) * 1989-10-23 1991-12-31 The Drackett Company Deodorizing and cleaning compositions and method
WO1997020909A1 (fr) * 1995-12-07 1997-06-12 The Procter & Gamble Company Procede de production de compositions de blanchiment
GB2313369B (en) * 1996-05-18 1999-12-08 Water Technology Ltd Treatment of water in water distribution system
EP0834549A1 (fr) * 1996-10-07 1998-04-08 The Procter & Gamble Company Compositions de nettoyage
US5972864A (en) * 1997-02-14 1999-10-26 Lonza Inc. Bleaching and cleaning compositions containing fragrances
US6162371A (en) * 1997-12-22 2000-12-19 S. C. Johnson & Son, Inc. Stabilized acidic chlorine bleach composition and method of use

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO03035812A2 *

Also Published As

Publication number Publication date
AU2002342377A1 (en) 2003-05-06
ATE341607T1 (de) 2006-10-15
DE50208361D1 (de) 2006-11-16
WO2003035812A2 (fr) 2003-05-01
AT410801B (de) 2003-08-25
WO2003035812A3 (fr) 2003-09-12
EP1456338B1 (fr) 2006-10-04
ATA16852001A (de) 2002-12-15

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