EP4015607A1 - Concentré pour, entre autres, une solution de nettoyage - Google Patents

Concentré pour, entre autres, une solution de nettoyage Download PDF

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Publication number
EP4015607A1
EP4015607A1 EP21215148.4A EP21215148A EP4015607A1 EP 4015607 A1 EP4015607 A1 EP 4015607A1 EP 21215148 A EP21215148 A EP 21215148A EP 4015607 A1 EP4015607 A1 EP 4015607A1
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EP
European Patent Office
Prior art keywords
concentrate
phase
cleaning
solution
cleaning liquid
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.)
Pending
Application number
EP21215148.4A
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German (de)
English (en)
Inventor
Lothar Weber
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.)
SOLVECOPUR GMBH.
Original Assignee
F&e Weber Solutions 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 F&e Weber Solutions GmbH filed Critical F&e Weber Solutions GmbH
Publication of EP4015607A1 publication Critical patent/EP4015607A1/fr
Pending legal-status Critical Current

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    • 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/72—Ethers of polyoxyalkylene glycols
    • 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/662—Carbohydrates or derivatives
    • 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
    • C11D17/0008—Detergent materials or soaps characterised by their shape or physical properties aqueous liquid non soap compositions
    • C11D17/0017—Multi-phase 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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/38—Products with no well-defined composition, e.g. natural products
    • C11D3/381—Microorganisms
    • 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
    • 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

Definitions

  • the invention initially relates to a concentrate for a cleaning solution.
  • the concentrate is used to provide a cleaning solution.
  • the cleaning solution provides a means of emulsifying, degreasing and removing oil and/or lubricants from surfaces.
  • the invention relates to concentrates, cleaning solutions and methods for producing these cleaning solutions which can remove soiling in the form of oily or lubricant-containing substances and surfaces of materials without residue or essentially without residue. This essentially residue-free removal is carried out using oil-degrading bacteria.
  • the concentrate according to the invention is produced as a 2-phase concentrate and used on the basis of bacterial spores and glycolipids in washbasins in a ratio with water, in particular between 1:3 and 1:6.
  • the concentrate according to the invention contains in particular, inter alia, glycolipids and a mixture of several surfactants in or with a spore solution.
  • the concentrate and/or the finished cleaning solution can also contain ethoxylates, mixtures of spore solutions, glycolipids and in particular also supramolecular complexes consisting of rhamnolipids, alginates, pyoverdine and water.
  • washbasins in which organic and inorganic solvents are used. Some of these washbasins are operated with oil separators or with oil-degrading bacteria in order to increase the service life of the washing solutions used.
  • Surfactants contain a hydrophilic (polar) and a hydrophobic (non-polar) part. As a result of this amphiphilic character, they are surface-active in various solvents, especially water. This means they accumulate in the interfaces of the aqueous phase.
  • the surfactant molecules used form monomolecular films at the interfaces, which can have a lasting effect on the properties of the systems.
  • Washstands for example, are known in the prior art for cleaning workpieces, such as those offered by the company Biocircle in horsloh, among others.
  • the fats and oils that are introduced are emulsified with surfactants, among other things, or dissolved and washed off with solvents.
  • the organic compounds can lead to regreasing from a certain concentration. This is comparable to crockery that is removed from an already heavily soiled dishwashing water and is still covered by a film of grease. After a certain time, the grease absorption capacity of the washing bath is exhausted and a greasy film forms on the water surface. In order to achieve high degreasing quality, it is important to avoid regreasing and re-contamination of the workpiece. This can be remedied by connecting a grease separator to the system or by adding grease and oil-decomposing microorganisms to the washing solution in the washbasin.
  • a large number of microorganisms are capable of decomposing the washed-off impurities. These include, for example, gram-positive species such as Arthrobacter, Bacillus, Nocardia, gram-negative species such as Flavobacterium, Enterobacter, Escherichia, Pseudomonas and other genera.
  • Fats and oils are broken down in several steps. Hydrocarbon breakdown occurs in the cell. Water-soluble hydrocarbons are absorbed directly through the cell membrane, while water-insoluble ones are attached to the fat-loving cell wall. Surfactants, which are synthesized by the microorganisms, can emulsify the lipid-water mixture. As a result, the phase interface is enlarged and thus the degradation efficiency is increased. The actual breakdown of lipids takes place intracellularly.
  • the majority of organisms incorporate molecular oxygen into fats and oils via an enzymatically catalyzed oxidation reaction in order to be able to introduce them into their metabolism. For this reason, the decomposition of aliphatic hydrocarbons such as paraffins and aromatic hydrocarbon compounds occurs most effectively in the presence of oxygen. For this reason, these systems are continuously supplied with oxygen.
  • the microorganisms are supplied with oxygen by blowing in air.
  • washbasins used in this way work on the principle of a bioreactor. These are operated at a process temperature of > 42 °C to prevent the proliferation of pathogenic germs. In addition, higher temperatures lead to a reduction in the viscosity of oils and fats, accelerate chemical reactions and thus intensify the process.
  • the washing solution can, for example, be adjusted to a pH of 8.5 that is tolerable for the microorganisms using a phosphoric acid solution.
  • the set pH value also prevents an increase in pathogens in the cleaning bath.
  • the phosphoric acid serves as an additional source of phosphorus for the microorganisms used.
  • the washing or cleaning solution in the prior art must not exceed a specified service life and is then replaced.
  • the solution is brought from the factory of a cleaning solution manufacturer to the washbasin that is usually installed at the place of work.
  • the cleaning liquid contained in the washbasin is disposed of after a predetermined service life has been reached, and the washbasin is filled with a new and fresh cleaning solution.
  • the object of the invention is to specify a way of improving the method used in the prior art.
  • a concentrate for a cleaning solution is proposed.
  • the concentrate consists of two phases.
  • a first phase comprises a spore solution, where the spore solutions are bacterial spores.
  • a second phase comprises at least one surfactant. The two phases are self-mixing from one another.
  • the two different phases have different PH values.
  • the PH values can be between 6.5 and 9.5.
  • the concentrate can be bottled at the manufacturer's plant and shipped as a concentrate to the point of use. Only there is it diluted with water and mixed with water to form a cleaning solution.
  • the concentrate can be diluted with water.
  • the concentrate according to the invention can be diluted with tap water or with demineralized water. Since water can be provided practically anywhere in the world, the invention makes it possible that only the concentrate has to be transported to the place of use and Location, so for example at a location of the washbasin, existing water supplies can be used. Due to the transport as a concentrate, transport costs and transport volume can be reduced compared to the prior art.
  • the concentrate according to the invention comprises two phases which can be separated from one another. As a result, all components required for the provision of a cleaning solution - with the exception of water - can be safely stored and also transported over long periods of time.
  • An advantage of the concentrate according to the invention is that the product designed as a 2-phase concentrate remains inactive until the bacteria used, which are present as spores in the high concentrate, are activated.
  • the activation takes place by diluting the concentrate with tap water or with demineralized water, under the influence of temperature, in particular at a temperature of more than 40 degrees Celsius, and with the supply of oxygen.
  • Manufacturing the product as a 2-phase concentrate brings economic and ecological advantages, such as the reduction of storage, transport and handling costs.
  • Another advantage of the invention is that by adding water to the specially composed nutrient solution, consisting of glycolipids and the inactive spore solution, the metabolism of the bacterial cells can be optimized in such a way that only very little biomass accumulates in the washbasin.
  • the organic waste can be discharged together with the introduced inorganic solids via an integrated filter in the system.
  • the biomass can, for example, also be sedimented via a separator, in particular a lamella separator, drawn off and dewatered from time to time in a chamber filter press.
  • the filter cake is then disposed of.
  • the concentrate according to the invention serves in particular to provide a cleaning solution for the essentially residue-free removal of contamination containing oil or lubricants.
  • the formulation residue-free or essentially residue-free allows for the purposes of the invention that solids such. As metal chips, but also flocculated biomass, namely z. B. dead bacteria, accrue, which are separated and disposed of.
  • the concentrate according to the invention offers considerable advantages with regard to reducing the greasy films in the washing solution and on the workpieces. This is primarily due to the additional increased degreasing performance after dilution in combination with the Attributed to glycolipid-activated spore solution. Oily films are avoided in the washbasin itself. The quality of the washing water is maintained over a long period of up to several months. Of course, this requires regular filter maintenance and addition of the washing water lost during washing and regular refilling of the concentrate according to the invention.
  • the concentrate according to the invention can, for example, comprise rhamnolipids or sophorolipids or a mixture thereof.
  • the two substances mentioned are so-called biosurfactants.
  • Sophorolipids are microbial biosurfactants of the glycolipid class consisting of a hydrophobic fatty acid tail with 16 or 18 carbon atoms and a hydrophilic carbohydrate head, sophorose.
  • Rhamnolipids are biosurfactants belonging to the glycolipid group and mainly produced by Pseudomonas aeruginosa (Abdel-Mawgoud et Introduction 11 al., 2011). They are composed of one (mono-rhamnolipids) to two (di-rhamnolipids) rhamnose units and one to three ⁇ -hydroxy fatty acids.
  • the ⁇ -hydroxy fatty acids can be saturated or unsaturated and have a chain length of 8 to 16 carbon atoms.
  • rhamnolipids of the P. aeruginosa JRV-L strain it is particularly advantageous to add rhamnolipids of the P. aeruginosa JRV-L strain to the products, whose cell-free Culture liquid is able to emulsify various hydrocarbon active substances with an emulsification index E24 in the range of 60-80%.
  • Another distinctive feature of this compound is its ability to emulsify hydrocarbons at different pH values. In this way, different products can be manufactured to suit different types of soiling.
  • the natural polymer alginate contained in the rhamnolipid with a molecular weight of 400-600 kDa, since it has a high emulsifying activity.
  • This allows the natural amphiphilic substances to develop their hydrophilic and hydrophobic properties, which allow them to bind to the interfaces between the liquid phases with different degrees of polarity. This results in optimal emulsification of the fats and oils and/or water and the adhering impurities.
  • Phospholipids belong to the family of membrane lipids. These are phosphorus-containing lipids. A distinction is made between phosphoglycerides and sphingoglycolipids.
  • glycolipids can also be used as membrane lipids. These are phosphorus-free structural lipids.
  • glycolipids mentioned as special membrane lipids according to claim 1 include the already mentioned rhamnolipids and sophorolipids and additionally, for example, rhamnoselipids, threhaloselipids and glycosyl diglycerides.
  • glycolipids also include sodium surfactin, i.e. the salt of surfactin.
  • sodium surfactin i.e. the salt of surfactin.
  • This can be commercial, for example are available under the trade name Kaneka Surfactin from Kaneka Corporation based in Osaka, Japan.
  • membrane lipids are mentioned in the present patent application and proposed as a component of the concentrate according to the invention, such as phospholipids or glycolipids, in particular rhamnolipids, the invention also includes if a mixture of several of these different membrane lipids is provided as a component in the concentrate.
  • the concentrate according to the invention comprises a solution with bacterial spores.
  • bacterial spores for this purpose, for example, NobleBio B.V. Bacterial solution commercially available in Oldenzaal in the Netherlands under the item designation UB2 Cultuur number 1200.
  • CAS number 2568-33-4 commercially available biosurfactant under the registered trademark SOPHOCLEAN ® from Impag Import GmbH in Offenbach.
  • SOPHOGREEN under the CAS number 7732-18-5 substance available from the same source, which also belongs to the group of glycolipids, can be used.
  • sodium surfactin ( CAS number 302933-83-1 /24730-31-2) can be used.
  • Suitable rhamnolipids are also biosurfactants belonging to the group of glycolipids. These can, for example, under the CAS number 4348-76-9 be obtained commercially.
  • microbial biosurfactants as cosurfactants, such as glycolipids, for example.
  • the concentrate according to the invention forms two phases, of which the lower phase makes up the bacterial spore solution and the upper phase forms a surfactant solution.
  • the concentrate contains rhamnolipids.
  • the concentrate according to the invention comprises sodium surfactin.
  • the concentrate according to the invention comprises sophorolipoids.
  • the concentrate according to the invention comprises a foam blocker.
  • Glycolipids also known as glycolipoids or glycolipids, are phosphorus-free structural lipids or membrane lipids (components of cell membranes) in which one or more mono- or oligosaccharides are glycosidically bound to a lipid molecule.
  • the lipid consists of fatty acids linked via ester bonds with glycerol or via amide bonds with sphingosine are connected. Glycolipids are found in all tissues, but only on the outside of the lipid bilayer.
  • Anionic surfactants are surfactants that have a negatively charged functional group. Like all surfactants, anionic surfactants are made up of a polar and a non-polar part. An alkyl radical serves as the non-polar part. The polar functional group is -COO - (carboxylate), -SO 3 - (sulfonate) or -SO 4 2- (sulfate).
  • Nonionic surfactants or nonionic surfactants are surfactants that do not contain any dissociable functional groups and therefore do not separate into ions in water. Like any surfactant, nonionic surfactants are made up of a non-polar and a polar part. A fatty alcohol (C 12 -C 18 ) or octyl or nonyl phenols are usually used as the non-polar part. The polar groups here are the hydroxy group and the ether group. These groups are contained in polyethylene glycol or monosaccharides.
  • Surfactants form association colloids in the form of micelles with the poorly soluble substances.
  • Other substances such as urea or N-methylacetamide break the structure of the water at the hydrophobic sites of the substance to be dissolved.
  • a third possibility is the formation of mixed crystals.
  • the concentrate according to the invention also includes hydrotropes.
  • Hydrotropes are agents with which the water solubility of poorly soluble organic compounds can be increased. It is therefore a solubilizer.
  • Hydrotropes within the meaning of the patent application are also referred to as so-called clarifiers. It is therefore a matter that can remove cloudiness.
  • the concentrate according to the invention also comprises at least one complexing agent.
  • Lewis bases i. H. chemical compounds or simple anions with lone pairs of electrons that form coordination compounds with metal ions or metal atoms as Lewis acids. For example, they lead to a masking of (undesirable) chemical properties of metal ions.
  • the concentrate according to claim 1 also comprises one or more defoamers.
  • Defoamers or antifoam agents are chemical formulations with pronounced surface activity that are suitable for suppressing unwanted foam formation (e.g. in waste water treatment, paper manufacture, during the washing process in washing machines, in painting, in fermentation processes) or to destroy foam that has already formed.
  • defoamers prevent the formation of foam or dissolve foam
  • deaerators bring the air bubbles to the surface more quickly.
  • anti-foam refers almost exclusively to the field of food technology and basically describes substances or mixtures that have the same effect. For example, mono- and diglycerides of fatty acids and dimethylpolysiloxane can be used.
  • the invention relates to a concentrate for a cleaning liquid.
  • the invention also relates to a cleaning liquid according to claim 4.
  • the object of the invention is to specify a cleaning liquid which can improve the cleaning method according to the prior art.
  • the invention solves this problem with the features of claim 4.
  • the cleaning liquid according to the invention comprises a concentrate and water.
  • the amount of water is approximately one to ten times the amount of concentrate.
  • the invention relates to a method according to claim 9.
  • the object of the invention is to specify a method which is improved over the prior art method.
  • the method according to claim 9 enables the preparation of the cleaning solution by diluting the concentrate with water only immediately before or when introducing (or equally shortly after introducing) the concentrate into a cleaning system, i.e. into a receiving basin for the cleaning fluid in the cleaning system.
  • a cleaning system i.e. into a receiving basin for the cleaning fluid in the cleaning system.
  • transport volumes of water components can be avoided. It is sufficient to transport the concentrate to the application site of the cleaning liquid.
  • the invention relates to a method according to claim 10.
  • the invention is again based on the object of improving the method from the prior art.
  • the method according to claim 10 differs from the method according to claim 9 in that the cleaning solution is not achieved by diluting a concentrate with water, but that the two different phases of the concentrate according to the invention according to claim 1 are present separately from one another, housed in separate containers. transported separately to the place of dilution or mixing in the vicinity of the cleaning plant, and only there diluted with water to produce a cleaning solution.
  • the cleaning solution has at least one membrane lipid, in particular a glycolipid.
  • the invention relates to a method according to claim 13.
  • the object of the invention is to improve the prior art method.
  • the invention further relates to a container according to claim 14.
  • An embodiment of a concentrate according to the invention is in 1 denoted by the reference numeral 10.
  • the concentrate is intended to be diluted with water, in a ratio of 1 to 10, advantageously in a ratio of 1 to 6 to 1 to 3, to form a cleaning liquid 11, as in 2 is shown.
  • the starting point is the concentrate 10 according to 1 , which has two separate phases 12 and 13.
  • the first phase 12 is separated from the second phase 13 by a separating layer 14 .
  • the first phase 12, the bottom floating phase, comprises a bacterial spore solution.
  • the upper phase 13 comprises a mixture of surfactants.
  • a thin separating layer 14 can form in the course of the self-separation of the two phases 12, 13 from one another.
  • FIG. 1 shows an embodiment of a container according to the invention in the form of a canister 15.
  • the canister 15 is not completely full, but a certain gap of air 36 remains after filling.
  • the concentrate 10 according to the invention can be used in a vanity 18 according to 2 are used, and are placed there in a basin 17 for receiving a cleaning solution 11.
  • Cleaning solution 11 includes water and concentrate 10.
  • the vanity 18 comprises a pump 19, indicated only schematically, e.g. B. a circulation pump that can ensure circulation of the cleaning liquid.
  • the circulation pump 19 comprises a suction side 20 and a pump outlet 21.
  • a filter element 28 is advantageously arranged on the suction side 20 .
  • the pump outlet has a section through which the cleaning liquid flows out again into the basin 17 so that circulation is achieved.
  • the pump 19 can supply the cleaning liquid to a hand basin 25 via a further line section 22 .
  • a feed 23 and additionally or alternatively a brush feed 24 are indicated for this purpose.
  • the vanity 18 according to 2 has a hand basin 25, in which to be cleaned workpieces 33 with oily soiling on the surface can be introduced.
  • Cleaning liquid 11 indicated by the drops 27c and 27d, can be supplied to the workpiece 33 manually with the aid of the supply 23 or brush supply 24.
  • the cleaning liquid can wash the surface of the workpiece or remove dirt.
  • the dirt is fed to an outlet 39 of the hand basin 25 and passes through a solids filter 26 for coarse particles, e.g. B. for metal chips.
  • the cleaning liquid, indicated by the drops 27a, 27b, can drip back into the basin 17 from the filter 26.
  • the cleaning system 18 according to 2 also includes a heating element 29 to temper the cleaning liquid 11, preferably to a temperature above 42 °. On the one hand, this keeps the bacteria in an activated state. On the other hand, unwanted germs are eliminated.
  • an air supply 30 is indicated, which supplies the cleaning liquid 11 within the basin 17 with oxygen.
  • a valve 38 is indicated, the z. B. can be actuated manually or automatically.
  • the transport device 34 can include a receiving device 32 in which a large number of workpieces 33a, 33b, 33c can be accommodated.
  • the loading of the transport device 34 with workpieces 33a, 33b, 33c can take place, for example, at a loading station 41 that is only indicated.
  • the transport device 34 can then move through the basin 17, with the workpieces 33a, 33b, 33c being wetted with cleaning liquid.
  • the receiving device 32 can be designed, for example, as a lattice box in order to allow the cleaning liquid to pass through.
  • the receiving device 32 can be unloaded from the cleaned workpieces in the region of an unloading station 42 .
  • the transport device 34 can be moved along a transport path 43 .
  • the cleaning system 31 according to 3 has a heater 29, a pump 19 and an air supply 30.
  • the preparation process is carried out at room temperature.
  • the concentrate according to the invention comprises a concentrate according to the invention
  • Method for producing an embodiment of a concentrate according to the invention at least eight components:
  • a first component can be provided by a rhamnolipid, or by surfactin, or by sophorolipid.
  • Rhamnolipids can reduce the surface tension of water from 72 mN/m to values below 30 and the interfacial tension of water/OI systems from 43 mN/m to values ⁇ 1 mN/m.
  • Rhamnolipids can be used in the concentrate according to the invention in a concentration of ⁇ 1%.
  • Surfactin is a cyclic lipopeptide consisting of seven amino acids and various B-hydroxy acids (C13-CI5; main component: 3-hydroxy-13-methyl-myristic acid). At a value of 25 mg/l, surfactin reduces the surface tension of water from 72 mN/m to 27 mN/m and the interfacial tension in the water/n-hexadeean system from 43 mN/m to below ⁇ 1 mN/m. In one embodiment of the invention, the surfactin can be used with a concentration of ⁇ 1% in the concentrate.
  • Sophorolipoids are fermentation products of glucose and rapeseed oil fatty acid methyl ester with yeast.
  • the second component can be provided by a surfactant alcohol - ethoxylate C10 4 EO in a concentration of> 5%.
  • the third component includes a surfactant alcohol - ethoxylate C10 4.5 EO in a concentration> 10.0%.
  • the fourth component comprises a hydrotrope alkyl amide ethoxylate C12 - C14 in a concentration of >5%.
  • the fifth component includes a complexing agent consisting of glutamic acid, N,N-diacetic acid, tetrasodium salt in a concentration> 20%.
  • the sixth ingredient includes a preservative, 2-phenoxyethanol, "-n-butyl-benzo[d]isothiazol-3-one, N-(3aminopropyl)-N-dodecylpropane-1,3-diamine at a concentration of ⁇ 5%.
  • the seventh component comprises a pH regulating agent such as phosphoric acid, citric acid in a concentration of >2%.
  • the eighth component comprises a spore solution in a concentration > 40%.
  • the concentrate also includes a defoamer, for example based on silicone, in particular in a concentration of less than ⁇ 1%.
  • Second embodiment of a recipe UB2 culture number 1200 40.00% Dissolvine GL 47 S 25.00% Berol 360 7.50% Berol 366 12.50% Berol Surfboost AD15 7.50% Parmetol BPX 3.50% Sophoclean 1.20% pH regulating agent citric acid, lactic acid; phosphoric acid 2.80% 100.00%
  • Berol 360, Berol 366 and Berol Surfboost AD15 refer to exemplary embodiments for various surfactants.
  • the agent Dissolvine is given as an example of a complexing agent.
  • Dissolvine GL 47 CAS No: 51981-21-6 L-Glutamic acid, N,N-diacetic acid tetrasodium salt
  • the ingredient Parmetol is also given as an example of a preservative.
  • Parmetol BPX PHENOXYETHANOL, 2-n-butylbenzo[d]isothiazol-3-one, N-(3-aminopropyl)-N-dodecylpropane-1,3-diamine

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EP21215148.4A 2020-12-18 2021-12-16 Concentré pour, entre autres, une solution de nettoyage Pending EP4015607A1 (fr)

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DE102020134248 2020-12-18

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6019110A (en) * 1994-09-30 2000-02-01 Chemfree Corporation Parts washing system
WO2005040320A2 (fr) * 2003-10-24 2005-05-06 Ecolab Inc. Compositions stables de spores, de bacteries et/ou de champignons
CN1730729A (zh) * 2005-06-16 2006-02-08 广州天至环保科技有限公司 一种应用于金属加工业前处理除油脱脂的生物除油剂及其处理金属表面油污的方法
CN102330105A (zh) * 2011-08-31 2012-01-25 蚌埠市钰诚五金工贸有限公司 一种微生物脱脂剂及其制备方法
WO2013044396A1 (fr) * 2011-09-29 2013-04-04 Magna Powertrain, Inc. Système hydrophile de déplacement d'huile
WO2016097857A1 (fr) * 2014-12-15 2016-06-23 Gfs Corporation Aus Pty Ltd Compositions et leurs procédés d'utilisation

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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