EP2050811A1 - Paquet de produit de nettoyage et procédé de nettoyage - Google Patents

Paquet de produit de nettoyage et procédé de nettoyage Download PDF

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Publication number
EP2050811A1
EP2050811A1 EP08166970A EP08166970A EP2050811A1 EP 2050811 A1 EP2050811 A1 EP 2050811A1 EP 08166970 A EP08166970 A EP 08166970A EP 08166970 A EP08166970 A EP 08166970A EP 2050811 A1 EP2050811 A1 EP 2050811A1
Authority
EP
European Patent Office
Prior art keywords
detergent
units
pack according
milk
alkaline
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.)
Withdrawn
Application number
EP08166970A
Other languages
German (de)
English (en)
Inventor
Wilhelm Aregger
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.)
NEORETA GMBH
Original Assignee
Aregger 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 Aregger GmbH filed Critical Aregger GmbH
Publication of EP2050811A1 publication Critical patent/EP2050811A1/fr
Withdrawn legal-status Critical Current

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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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/042—Acids
    • 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
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
    • C11D17/041—Compositions releasably affixed on a substrate or incorporated into a dispensing means
    • 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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/06—Phosphates, including polyphosphates
    • 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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/08—Silicates
    • 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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/10—Carbonates ; Bicarbonates
    • 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
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2075—Carboxylic acids-salts thereof
    • C11D3/2086—Hydroxy carboxylic acids-salts thereof
    • 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 detergent package with a plurality of detergent units for the preparation of a respective cleaning liquid for a single flushing of the milk lines of a milk processing system of a coffee machine.
  • the invention further relates to a method for cleaning the milk lines of a milk processing plant of a coffee machine, in which method the milk lines are rinsed at intervals with a cleaning liquid.
  • latte macchiato requires that there be a layer of milk under the coffee and a milk foam cap over the coffee.
  • the coffee brewing chamber in particular is treated with an alkaline oxygen scavenger.
  • an oxygen cleaner contains, for example, 20% sodium carbonate, 16% sodium bicarbonate, 24% sodium percarbonate, 6% surfactants and other auxiliaries.
  • the EP-A-0 997 093 describes a fully automatic machine for the production of coffee drinks such as milk coffee and cappuccino.
  • This machine has a separate circuit for the production of hot or foamed milk.
  • To clean the milk processing system it is rinsed with hot steam after each cycle in which hot or foamed milk is provided.
  • the components of the milk processing system may be periodically cleaned with a cleaning fluid.
  • the milk processing system communicates with a container in which cleaning liquid is stored.
  • the WO 2007/103635 discloses a detergent unit for cleaning vending machines that can deliver cold and hot drinks (including milk drinks).
  • the detergent unit consists of a water-soluble capsule, which with a powdered detergent composition is filled.
  • the detergent composition contains chelating agents, persalts, chalk sols, alkaline components, and optionally further adjuvants.
  • a disadvantage of this cleaning agent unit is that the alkaline cleaning composition is unable to dissolve milk stone.
  • a detergent package one or more sets of detergent units are conveniently arranged.
  • the detergent units are conveniently arranged in the desired removal order in sets and combined one or more of these sets into a detergent package.
  • the detergent units may be packaged in sets and several such individually packaged sets may be present in a detergent package. Conveniently, the sets are assembled and packaged at the factory. You can also have several sets that are not individually packaged in one package.
  • the packing can serve as a dispenser, so that in each case a detergent unit is ready to hand in the pack, which is determined by the arrangement of the detergent units in the pack, how many times a detergent unit with basic detergent is readily available until a detergent unit with acid detergent is available.
  • a dispenser may also be provided, into which a detergent package, a single or several (eg individually packaged) sets of detergent units can be inserted, so that in the dispenser the detergent units of the desired (defined by the order of the detergent units in the set) removal sequence are arranged accordingly.
  • a detergent package therefore expediently comprises at least one set of detergent units, of which detergent units each contains the amount of detergent sufficient to produce the cleaning fluid for a single irrigation of the milk lines of a milk processing system of a coffee machine.
  • Each such set comprises a plurality of first detergent units containing a basic detergent, and a single second detergent unit containing an acidic, especially milk stone dissolving detergent.
  • the individual detergent units are advantageously arranged in a predetermined removal sequence.
  • a single second detergent unit is ready for handing in the pack.
  • first detergent units are present with the alkaline detergent.
  • the ratio of alkaline cleaning units to acidic detergent units is in the range of 8 to 10.
  • the second acidic detergent unit must contain about 8 to 10 times greater amount of detergent than the alkaline first detergent units. Because of in the basic and acidic Cleansing units contained different amounts, the two different units are immediately distinguishable. Stratification may therefore be such that a second detergent unit fills a cross-section of a package, and the first detergent units lie in two or three layers to three or two detergent units thereon.
  • the detergent pack is a pack which can be used as a unit dispenser, in which case only a single detergent unit is present at hand. In this case, each detergent unit fills the cross-section of the package.
  • the alkaline cleaning agent advantageously contains sodium metasilicate, which has a strong alkalinity for saponifying the milk fat.
  • Components of the alkaline cleaning agent may include alkali hydroxides (eg NaOH, KOH), alkali silicates (eg metasilicates, water glasses), inorganic phosphates (eg tri-, meta- or pyrophosphates), complexing agents (eg NTA, EDTA, salts of phosphoric acid, citrates) and surfactants ,
  • alkali hydroxides eg NaOH, KOH
  • alkali silicates eg metasilicates, water glasses
  • inorganic phosphates eg tri-, meta- or pyrophosphates
  • complexing agents eg NTA, EDTA, salts of phosphoric acid, citrates
  • surfactants e.g NTA, EDTA, salts of phosphoric acid, citrates
  • the alkaline cleaning agent advantageously contains sodium tripolyphosphate.
  • This complexing agent acts as a water softener. Secondarily, the tripoliphosphates
  • the alkaline cleaning agent advantageously contains 35 to 55%, in particular 40 to 50% sodium metasilicate and 15 to 30%, in particular 18 to 27% sodium tripolyphosphate (all percentages in percentages by weight). Thus, with little substance a sufficiently high alkalinity and washing activity can be achieved. After dissolution of the salt in water, a detergent concentration of only 0.6% results in the liquid used for the cleaning.
  • the alkaline cleaning agent expediently contains 2 to 10%, in particular 3 to 8%, of surfactants, in particular anionic surfactants. These surfactants are used to lower the surface tension of the water.
  • the alkaline cleaning agent also preferably contains 15 to 35%, especially more than 17% sodium carbonate.
  • a composition containing sodium metasilicate 5 hydrate may be classified within a low hazard class if used in limited quantities. In order to maintain the alkalinity despite a limited amount of this substance, is worked to supplement to 100% with sodium carbonate (soda) and omitted skeletal substances. Soda does not affect the hazard class.
  • the alkaline cleaning agent conveniently additionally contains a bactericide.
  • a germicidal compound preferably 2 to 10%, in particular 3 to 8% sodium dichloroisocyanurate is used.
  • the acidic cleaning agent preferably contains phosphoric acid and / or sulfamic acid, nonionic surfactants and auxiliaries such as dispersants, solubilizers and corrosion inhibitors.
  • the acid detergent contains surfactants, in particular cationic surfactants, one or more polycarboxylic acids and sulfamic acid. Milkstone can only be removed with acidic media. As acids are preferably those compounds are used which do not attack the material to be cleaned.
  • the acidic cleaning agent conveniently contains from 3 to 12%, in particular from 4 to 10%, of surfactants which are stable in acidic medium.
  • the acidic cleaning agent preferably contains from 35 to 55% and most preferably from 40 to 50% of sulfamic acid.
  • the acidic cleaning agent also contains 40 to 60%, preferably 40 to 50 wt .-% of one or more dicarboxylic acids, in particular citric acid.
  • dicarboxylic acids in particular citric acid.
  • suitable dicarboxylic acids are oxalic acid, malonic acid, tartaric acid, malic acid or succinic acid.
  • the milk lines are rinsed at intervals with a cleaning liquid.
  • the milk lines are each rinsed several times within a time interval with a basic cleaning liquid and once with an acidic cleaning liquid.
  • the basic cleaning fluid cleans the milk line of fats and disinfects their surfaces.
  • the acidic cleaning fluid removes existing casein deposits, the so-called milk stone.
  • the number of cleanings with a basic cleaning liquid is determined according to the invention by the number of first detergent units containing a basic detergent and contained in a detergent set, which detergent set comprises a single second detergent unit containing an acid detergent.
  • the milk lines are each timed in a given time interval, e.g. within 6 or 12 days of use, rinsed 6 to 12 times with the basic cleaning fluid.
  • the cleaning can be done once or twice a day.
  • the milk lines are each rinsed in a time interval 8 to 10 times with the basic cleaning liquid before they are cleaned with the acidic cleaning liquid.
  • the cleaning liquid is prepared from a single detergent unit and water.
  • This composition is very easy to reach.
  • the amount of cleaning agent present in the cleaning agent unit is adapted to the size and type of the milk processing plant. Such a unit must therefore only be mixed with the prescribed amount of water and then passed through the milk processing plant.
  • a set of detergent units therefore comprises a plurality of first detergent units and a single second detergent unit. These can be arranged loosely in a bag. For better handling, the individual acid detergent unit should be specially marked and can thus be easily removed, for example, as the first or last of the bag. As a result, the sequence according to the invention of several basic cleanings and one acidic cleaning must be observed without any control.
  • the detergent units are conveniently arranged in a detergent package in such an order that an acidic detergent unit follows several basic detergent units.
  • the detergent package contains at least one set of cleaning units.
  • Such a kit comprises a plurality of first detergent units containing an alkaline detergent and exactly one second detergent unit containing an acidic detergent. In order for this removal to occur in the order indicated for the process, the detergent units of the desired removal sequence are arranged correspondingly in the detergent package.
  • the time interval within which a plurality of alkaline and a single acidic purification are carried out expediently comprises 6 to 12 days.
  • 8 alkaline cleaning units result in an acidic cleaning unit, resulting in compact packaging and a convenient cleaning rhythm.
  • the invention is based on the FIGS. 1 to 3 described in detail:
  • the FIG. 1 shows a stack 10 of bags 11 with detergent, which are held together by a torn plastic sheath 13.
  • the bags are layered in a repeating sequence.
  • a bag 11 with acidic detergent an acidic cleaning agent unit 15
  • three double bags 19 each with two bags 11 with alkaline detergent (each bag is an alkaline detergent unit 17) are arranged.
  • the wrapped stack 10 forms a detergent pack 20 having a plurality of detergent units 15, 17 therein.
  • FIG. 2 another form of the pack 20 is shown comprising a cardboard box 21 and detergent units received therein.
  • the cardboard box 21 is perforated so that a removal opening 23 can be torn open.
  • the removal opening 23 is at a short edge of Cardboard box 21 is formed.
  • the detergent units 15, 17 contained in the box are therefore accessible through the removal opening 23, one unit at a time.
  • a pack 20 comprises a single set 25 of detergent units 15, 17, namely a single bag of acidic and three double bags 19 of an alkaline detergent.
  • a preferred detergent pack comprises 9 sets each containing 8 alkaline detergent units and one acid detergent each. Such a detergent package thus contains 81 detergent units, which corresponds to the need for about 3 months of operation of the coffee machine. Such a pack weighs less than one kilogram when metered for one liter of cleaning fluid per cleaning and subsequent compositions.
  • compositions of cleaning agents are given by way of example below: Alkaline detergent: metasilicate 40% (> 35% ⁇ 45%) sodium 26% (> 17% ) sodium dichloroisocyanurate 5% (> 3% ⁇ 8%) anionic surfactant 5% (> 3% ⁇ 8%) Natriumtripoliphosphat 24% (> 18% ⁇ 27%)
  • the proposed alkaline cleaning agent is a special cleaner for the guarantee of perfect operational hygiene of the milk processing system of a coffee machine. It can be inexpensively manufactured and provided in slim bags. It will be about 6 grams (preferred range 3 to 7 grams) per liter of water dissolved, and with the solution Rinsed milk processing plant. Since the amount of rinse water used can be preprogrammed in modern coffee machines, the application is extremely simple.
  • Disodium disilicate could be used instead of metasilicate.
  • nitrilotriacetic acid could also be used instead of tripolyphosphate. However, since nitrilotriacetic acid is not completely safe with respect to possible side effects, it is preferred to use tripolyphosphate.
  • Acidic detergent for the preparation of an aqueous cleaning solution Dicarboxylic acid (citric acid) 46% (> 40% ⁇ 60%) sulfamic 46% (> 30% ⁇ 50%) cationic surfactant (Sodium lauryl sulfate) 8th% (> 4% ⁇ 10%)
  • the proposed acidic cleaning agent has an excellent action for removal of milk stone.
  • This composition is inexpensive to produce and environmentally friendly. It also has the advantage that the cleaning agent does not attack the material of the lines.
  • a 3 to 7 percent cleaning solution is used for periodic cleaning of the milk processing plant.
  • 30 to 70 grams of the powdered detergent composition are dissolved in one liter of water. In practice, an approximately 5% cleaning solution is preferably used.

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  • 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)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Detergent Compositions (AREA)
EP08166970A 2007-10-17 2008-10-17 Paquet de produit de nettoyage et procédé de nettoyage Withdrawn EP2050811A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH01613/07A CH703227B1 (de) 2007-10-17 2007-10-17 Reinigungsmittelpacken und Reinigungsverfahren.

Publications (1)

Publication Number Publication Date
EP2050811A1 true EP2050811A1 (fr) 2009-04-22

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EP08166970A Withdrawn EP2050811A1 (fr) 2007-10-17 2008-10-17 Paquet de produit de nettoyage et procédé de nettoyage

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EP (1) EP2050811A1 (fr)
CH (1) CH703227B1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018141074A1 (fr) 2017-01-31 2018-08-09 Bonyf Ag Procédé d'élimination de résidus de lait et composition d'un comprimé de nettoyage ou d'une poudre de nettoyage
WO2021141940A1 (fr) * 2020-01-10 2021-07-15 Ecolab Usa Inc. Nettoyeur de moulin à café

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0772971A2 (fr) * 1995-11-08 1997-05-14 CHEMISCHE FABRIK DR. WEIGERT (GMBH & CO.) Procédé et dispositif de nettoyage pour installations laitiers
EP0997093A1 (fr) 1998-10-30 2000-05-03 Caffe Acorto Inc. Machine automatique et méthode pour préparer du café espresso et émulsifier du lait
DE10102239A1 (de) * 2001-01-19 2002-04-04 Henkel Kgaa Verpackung für tablettenförmige Gegenstände
EP1375637A1 (fr) * 2002-06-17 2004-01-02 Unilever N.V. Compositions détergentes
US20050164897A1 (en) * 2001-05-14 2005-07-28 The Procter & Gamble Company Cleaning product
JP2006342256A (ja) * 2005-06-09 2006-12-21 Adeka Corp 飲料ディスペンサ用洗浄剤組成物
EP1829954A1 (fr) * 2006-03-03 2007-09-05 JohnsonDiversey, Inc. Produit détergent sous forme de dose unitaire pour le nettoyage d'une machine à café

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0772971A2 (fr) * 1995-11-08 1997-05-14 CHEMISCHE FABRIK DR. WEIGERT (GMBH & CO.) Procédé et dispositif de nettoyage pour installations laitiers
EP0997093A1 (fr) 1998-10-30 2000-05-03 Caffe Acorto Inc. Machine automatique et méthode pour préparer du café espresso et émulsifier du lait
DE10102239A1 (de) * 2001-01-19 2002-04-04 Henkel Kgaa Verpackung für tablettenförmige Gegenstände
US20050164897A1 (en) * 2001-05-14 2005-07-28 The Procter & Gamble Company Cleaning product
EP1375637A1 (fr) * 2002-06-17 2004-01-02 Unilever N.V. Compositions détergentes
JP2006342256A (ja) * 2005-06-09 2006-12-21 Adeka Corp 飲料ディスペンサ用洗浄剤組成物
EP1829954A1 (fr) * 2006-03-03 2007-09-05 JohnsonDiversey, Inc. Produit détergent sous forme de dose unitaire pour le nettoyage d'une machine à café
WO2007103635A1 (fr) 2006-03-03 2007-09-13 Johnsondiversey, Inc. Detergent en dose unitaire pour nettoyage de machine a cafe

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 200706, Derwent World Patents Index; AN 2007-050786 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018141074A1 (fr) 2017-01-31 2018-08-09 Bonyf Ag Procédé d'élimination de résidus de lait et composition d'un comprimé de nettoyage ou d'une poudre de nettoyage
WO2021141940A1 (fr) * 2020-01-10 2021-07-15 Ecolab Usa Inc. Nettoyeur de moulin à café

Also Published As

Publication number Publication date
CH703227B1 (de) 2011-12-15

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