Synergistic stain removal through an alkali metal hydroxide-based detergent composition with novel chelator combination

The invention relates to a concentrated detergent composition comprising an alkali metal hydroxide, methylglycinediacetic acid, glutamic acid N,N-diacetic acid, and alkali metal tripolyphosphate. The composition is particularly suited to remove tea and coffee soil in warewashing applications.

METHOD OF SEPARATING CHEMISTRIES IN A DOOR-TYPE DISHMACHINE

The present disclosure relates to a dishmachine that includes at least two tanks and methods of using the tanks to isolate, substantially isolate, or incrementally isolate different chemistries from each other during a cycle. The disclosed dishmachine design and method allows for the use of two different, and potentially incompatible, reactive, or offsetting chemistries to be used in the same dishmachine cycle. 115-. (canceled)16. A dishmachine comprising:an enclosure defining a wash chamber having wash arms mounted therein;a first tank for housing a first composition;a first pump operatively coupled with the first tank and in fluid communication with the wash arms;a second tank for housing a second composition;a second pump operatively coupled with the second tank and in fluid communication with the wash arms; and 'a deflector selectively movable between a first position and a second position wherein the first position provides a flow path between the wash chamber and the first tank and the second position provides a flow path between the wash chamber and the second tank, wherein the deflector is driven by a float.', 'a deflector system comprising17. The dishmachine of claim 16 , wherein the deflector comprises a plate having a first end and a second end opposite the first end claim 16 , and a pivot axis extending laterally between the first end and the second end.18. The dishmachine of claim 17 , wherein the deflector comprises a first float at the first end and a second float at the second end of the plate.19. The dishmachine of claim 18 , wherein the first float is movably positioned at least partially inside the first tank and the second float is movably positioned at least partially inside the second tank.20. The dishmachine of claim 17 , wherein the first end is pivotably coupled with the first tank and the second end is pivotably coupled with the second tank.21. The dishmachine of claim 17 , wherein the deflector comprises a float coupled with one of the ...

ACID FORMULATIONS FOR USE IN A SYSTEM FOR WAREWASHING

Methods of acidic warewashing are disclosed. The compositions can include other materials including surfactants and chelating agents, and are preferably phosphorous free. Methods of using the acidic compositions in combination with alkaline compositions are also disclosed. Exemplary methods include using the acidic compositions together with other compositions, including alkaline compositions and rinse aids employed in an alternating alkaline/acid/alkaline manner. The methods also include acidic compositions that serve multiple roles. 1. A method of cleaning articles in a dishmachine comprising:applying an alkaline composition to articles in need of cleaning; andapplying to the articles an acidic composition before or after application of the alkaline composition, wherein said acidic composition comprises: a sulfuric acid derivative; and a chelating agent selected from the group consisting of citric acid, MGDA, GLDA, glutamic acid, and mixtures thereof.2. The method of claim 1 , wherein the acidic composition comprises from about 1000 to about 4000 ppm acid and from about 10 to about 50 ppm of surfactant.3. The method of claim 1 , wherein the acid is selected from the group consisting of urea sulfate claim 1 , urea hydrochloride claim 1 , sulfamic acid claim 1 , methanesulfonic acid claim 1 , citric acid claim 1 , gluconic acid and mixtures thereof and provides superior cleaning efficacy and reduced scaling in comparison to articles treated with a phosphoric acid composition.4. The method of claim 1 , wherein the acidic composition is a concentrated acidic composition claim 1 , wherein the concentrated acidic composition comprises a sulfuric acid derivative and/or an acid selected from the group consisting of urea sulfate claim 1 , urea hydrochloride claim 1 , sulfamic acid claim 1 , methanesulfonic acid claim 1 , citric acid claim 1 , gluconic acid and mixtures thereof claim 1 , and a surfactant selected from the group consisting of an EO/PO block copolymer claim 1 ...

SYNERGISTIC STAIN REMOVAL THROUGH NOVEL CHELATOR COMBINATION

The invention relates to a concentrated detergent composition comprising an alkali metal hydroxide, methylglycinediacetic acid, glutamic acid N,N-diacetic acid, and alkali metal tripolyphosphate. The composition is particularly suited to remove tea and coffee soil in warewashing applications. 1. A concentrated detergent composition comprising alkali metal hydroxide , alkali metal tripolyphosphate , and at least one complexing agent selected from the group consisting of methylglycinediacetic acid and glutamic acid N ,N-diacetic acid.2. The concentrated detergent composition according to claim 1 , wherein the composition comprises methylglycinediacetic acid and glutamic acid N claim 1 ,N-diacetic acid.3. The concentrated detergent composition according to claim 1 , wherein the molar ratio of alkali metal tripolyphosphate to the sum of alkali metal tripolyphosphate claim 1 , methylglycinediacetic acid claim 1 , and glutamic acid N claim 1 ,N-diacetic acid is 0.05 to 0.95.4. The concentrated detergent composition according to claim 1 , wherein the molar ratio of the sum of glutamic acid N claim 1 ,N-diacetic acid claim 1 , methylglycinediacetic acid and alkali metal tripolyphosphate to alkali metal hydroxide is 0.01 to 1.5. The concentrated detergent composition according to claim 1 , wherein the composition comprises at least 5% by weight alkali metal hydroxide.6. The concentrated detergent composition according to claim 1 , wherein the alkali metal hydroxide is sodium hydroxide.7. The concentrated detergent composition according to claim 1 , wherein the alkali metal tripolyphosphate is sodium tripolyphosphate.8. The concentrated detergent composition according to claim 1 , wherein the composition provides a pH of at least 9 when diluted in distilled water at a concentration of 1 g/l and measured at a temperature of 20° C.9. The concentrated detergent composition according to claim 1 , wherein the composition further comprises at least one of the compounds selected ...

Acid formulations for use in a system for warewashing

Methods of acidic warewashing are disclosed. The compositions can include other materials including surfactants and chelating agents, and are preferably phosphorous free. Methods of using the acidic compositions in combination with alkaline compositions are also disclosed. Exemplary methods include using the acidic compositions together with other compositions, including alkaline compositions and rinse aids employed in an alternating alkaline/acid/alkaline manner. The methods also include acidic compositions that serve multiple roles.

Synergistic interaction of weak cation exchange resin and magnesium oxide

The present invention relates to methods, apparatuses, and systems for treating water. The methods, apparatuses and systems reduce scaling associated with solubilized water hardness using a sequence of water treatment agents, including an inlet, one or more treatment reservoirs containing a first treatment agent that is an exhausted ionic resin that is incapable of performing ion exchange and a second treatment agent consisting of a metal oxide and/or hydroxide compound, an outlet, and a treated water delivery line.

Combination dishwashing machine and sink

In one aspect of the present invention, a combination dishwashing machine and sink that utilizes a first use solution includes a dishwashing machine, a sump, a pump, a sink, a first fluid passageway, and a controller. The sump is in fluid communication with the dishwashing machine and is configured and arranged to contain the first use solution utilized in the dishwashing machine. The pump is in fluid communication with the sump, and the first fluid passageway interconnects the pump and the sink. The controller is operatively connected to the pump and is programmed to signal the pump to direct the first use solution from the sump, through the first fluid passageway, and into the sink. The controller automates the filling of the sink with the first use solution from the sump. 1. A combination dishwashing machine and sink that utilizes a first use solution , comprising:a) a dishwashing machine;b) a sump in fluid communication with the dishwashing machine and configured and arranged to contain the first use solution utilized in the dishwashing machine;c) a pump in fluid communication with the sump;d) a sink;e) a first fluid passageway interconnecting the pump and the sink; andf) a controller operatively connected to the pump and being programmed to signal the pump to direct the first use solution from the sump, through the first fluid passageway, and into the sink, the controller automating the filling of the sink with the first use solution from the sump.2. The combination dishwashing machine and sink of claim 1 , further comprising a second use solution contained in the sink prior to directing the first use solution into the sink claim 1 , the first use solution from the sump refreshing the second use solution with each cycle of the dishwashing machine.3. The combination dishwashing machine and sink of claim 2 , wherein the addition of the first use solution to the second use solution agitates the first use solution and the second use solution in the sink.4. The ...

METHOD OF SEPARATING CHEMISTRIES IN A DOOR-TYPE DISHMACHINE

The present disclosure relates to a dishmachine that includes at least two tanks and methods of using the tanks to isolate, substantially isolate, or incrementally isolate different chemistries from each other during a cycle. The disclosed dishmachine design and method allows for the use of two different, and potentially incompatible, reactive, or offsetting chemistries to be used in the same dishmachine cycle. 1. A method of washing articles in a dishmachine comprising: i. a first tank with a first composition;', 'ii. a first pump;', 'iii. a second tank with a second composition;', 'iv. a second pump;', 'v. a diverter plate selectively movable between a first position and a second position wherein the first position causes the diverter plate to be in fluid communication with the first tank and the second position causes the diverter plate to be in fluid communication with the second tank; and', 'vi. articles to be cleaned;, 'A. providing a dishmachine comprisingB. filling the first tank with the first composition and filling the second tank with the second composition;C. spraying the first composition from the first tank onto the articles in the dishmachine;D. moving the diverter plate to the first position, wherein at least the majority of the spray of the first composition flows onto the diverter plate and into the first tank;E. spraying the second composition from the second tank onto the article in the dishmachine;F. moving the diverter plate to the second position, wherein at least the majority of the spray of the second composition flows onto the diverter plate and into the second tank; andG. spraying a fresh water rinse onto the articles in the dishmachine.2. The method of claim 1 , wherein the first composition is an alkaline composition.3. The method of claim 1 , wherein the second composition is an acidic composition.4. The method of claim 1 , wherein the first composition is an acidic composition.5. The method of claim 1 , wherein the second composition ...

CONCENTRATED WAREWASHING COMPOSITIONS AND METHODS

The invention generally relates to concentrated warewashing compositions and methods of using the same. In some aspects, the invention uses concentrated compositions in methods of warewashing where the concentrate is applied directly to the article to be cleaned, rather than dispensed into a sump and applied to the article as a ready-to-use composition. In additional aspects, the methods of using highly concentrated alkaline and/or acid compositions in an alternating pattern of alkaline-acid-alkaline or acid-alkaline-acid, or the like, provide substantially similar or superior cleaning efficacy while reducing the overall consumption of the alkaline and/or acid compositions. 1. A method of cleaning an article in a dishmachine comprising:applying directly to the article a first concentrated cleaning composition comprising: (i) from about 1 wt-% to about 90 wt-% of a source of alkalinity or a source of acidity; (ii) optional materials selected from the group consisting of surfactant, thickener, chelating agent, bleaching agent, catalyst, enzyme, solidification agent and mixtures thereof; and (iii) water, wherein the first concentrated cleaning composition has at least 20 wt-% active ingredients; andapplying to the article a second composition selected from the group consisting of a first acidic cleaning composition, a first alkaline cleaning composition, a second acidic cleaning composition, a second alkaline cleaning composition, a rinse aid composition and mixtures thereof.2. The method of claim 1 , wherein the first concentrated cleaning compositions directly contacts any soils on the articles.3. The method of claim 1 , wherein first concentrated cleaning composition has from about 2 times to about 400 times greater percentage of active ingredients than a concentration of actives in the sump of the dishmachine.4. The method of claim 1 , wherein the methods achieve at least substantially similar cleaning efficacy to methods employing less concentrated compositions ...

METHODS AND APPARATUS FOR CONTROLLING WATER HARDNESS

The present invention is related to methods, apparatuses, and compositions for controlling water hardness. The methods, apparatuses and compositions also reduce scale formation. The present invention includes substantially water insoluble resin materials. The resin materials may be loaded with a plurality of cations. 120-. (canceled)21. A method for treating water comprising:providing a water treatment apparatus comprising an inlet, an outlet, a first water treatment reservoir comprising a water treatment composition;intaking the water source through the inlet; 'wherein the water treatment composition comprises a substantially water insoluble resin material loaded with a plurality of one or more multivalent cations such that the resin material is exhausted; and wherein the resin material has a bed depth of less than about two feet; and', 'contacting the water source with the water treatment composition to form a treated water source;'}discharging the treated water source through the outlet;wherein the treated water source comprises between about 4 ppm to about 60 ppm total organic carbon.22. The method of claim 21 , wherein the resin material comprises a weak acid cation resin.23. The method of claim 22 , wherein the resin material has a surface comprising functional groups comprising carboxyl groups24. The method of claim 21 , wherein the multivalent cations comprise a mixture of calcium and magnesium ions.25. The method of claim 21 , wherein the composition does not precipitate water hardness ions out of the source of water when contacted with the water.26. The method of claim 21 , wherein the substantially insoluble resin material provides a polymer material to the water source claim 21 , and wherein the polymer material is a polymer having a molecular weight of about 150 to about 100 claim 21 ,000.27. The method of claim 21 , wherein the treated water source comprises between about 20 ppm to about 60 ppm total organic carbon.28. The method of claim 21 , wherein ...

Synergistic interaction of weak cation exchange resin and magnesium oxide

The present invention relates to methods, apparatuses, and systems for treating water. The methods, apparatuses and systems reduce scaling associated with solubilized water hardness using a sequence of water treatment agents, including a first threshold agent shedding weak cation exchange resin and a second magnesium compound conversion agent water treatment. The system or apparatus and methods according to the invention provide synergistic reduction of hard water scaling and elimination of cementing on the insoluble magnesium compound.

APPARATUS FOR SEPARATING CHEMISTRIES IN A DOOR-TYPE DISHMACHINE

The present disclosure relates to a dishmachine that includes at least two tanks and methods of using the tanks to isolate, substantially isolate, or incrementally isolate different chemistries from each other during a cycle. The disclosed dishmachine design and method allows for the use of two different, and potentially incompatible, reactive, or offsetting chemistries to be used in the same dishmachine cycle. 1. A method of washing articles in a dishmachine comprising: i. a first tank with a first composition;', 'ii. a first pump;', 'iii. a second tank with a second composition;', 'iv. a second pump; and', 'v. articles to be cleaned;, 'A. providing a dishmachine comprisingB. filling the first tank with the first composition and filling the second tank with the second composition;C. spraying the first composition from the first tank onto the articles in the dishmachine for 1 to 5 seconds;D. spraying the second composition from the second tank onto the article in the dishmachine for 30 to 60 seconds; andE. spraying a fresh water rinse onto the articles in the dishmachine.2. The method of claim 1 , wherein the first composition is an alkaline composition.3. The method of claim 1 , wherein the second composition is an acidic composition.4. The method of claim 1 , wherein the first composition is an acidic composition.5. The method of claim 1 , wherein the second composition is an alkaline composition.6. The method of claim 1 , wherein steps (C) or (D) are repeated at least once.7. The method of claim 1 , wherein the method is less than 5 minutes long.8. The method of claim 1 , wherein the method is less than 1 minute long.9. The method of claim 1 , wherein the method uses no more than 1 gallon of fresh water in total.10. The method of claim 1 , wherein the first tank comprises a cover claim 1 , an opening in the cover claim 1 , and a valve in communication with the opening and configured to open and allow fluid to flow into the first tank.11. The method of claim 1 , ...

ACID FORMULATIONS FOR USE IN A SYSTEM FOR WAREWASHING

Methods of acidic warewashing are disclosed. The compositions can include other materials including surfactants and chelating agents, and are preferably phosphorous free. Methods of using the acidic compositions in combination with alkaline compositions are also disclosed. Exemplary methods include using the acidic compositions together with other compositions, including alkaline compositions and rinse aids employed in an alternating alkaline/acid/alkaline manner. The methods also include acidic compositions that serve multiple roles. 1. A method of cleaning articles in a dishmachine comprising:applying an alkaline composition to articles in need of cleaning; andapplying to the articles an acidic composition before or after application of the alkaline composition, wherein said acidic composition comprises: a sulfuric acid derivative; and a chelating agent selected from the group consisting of citric acid, MGDA, GLDA, glutamic acid, and mixtures thereof.2. The method of claim 1 , wherein the acidic composition comprises from about 1000 to about 4000 ppm acid and from about 10 to about 50 ppm of surfactant.3. The method of claim 1 , wherein the acid is selected from the group consisting of urea sulfate claim 1 , urea hydrochloride claim 1 , sulfamic acid claim 1 , methanesulfonic acid claim 1 , citric acid claim 1 , gluconic acid and mixtures thereof and provides superior cleaning efficacy and reduced scaling in comparison to articles treated with a phosphoric acid composition.4. The method of claim 1 , wherein the acidic composition is a concentrated acidic composition claim 1 , wherein the concentrated acidic composition comprises a sulfuric acid derivative and/or an acid selected from the group consisting of urea sulfate claim 1 , urea hydrochloride claim 1 , sulfamic acid claim 1 , methanesulfonic acid claim 1 , citric acid claim 1 , gluconic acid and mixtures thereof; and a surfactant selected from the group consisting of an EO/PO block copolymer claim 1 , a PO/ ...

METHODS AND APPARATUS FOR CONTROLLING WATER HARDNESS

The present invention is related to methods, apparatuses, and compositions for controlling water hardness. The methods, apparatuses and compositions also reduce scale formation. The present invention includes substantially water insoluble resin materials. The resin materials may be loaded with a plurality of cations. 1: A method for treating water comprising:contacting a water source with a water treatment composition comprising a substantially water insoluble resin material loaded with a plurality of one or more multivalent cations, such that the water is treated, wherein the substantially water insoluble resin is exhausted so that it is unable to perform ion exchange.2: The method of claim 1 , wherein the resin material comprises a weak acid cation resin.3. (canceled)4: The method of claim 1 , wherein the multivalent cations comprise a mixture of calcium and magnesium ions.5: The method of claim 1 , wherein the composition does not precipitate water hardness ions out of the source of water when contacted with the water.6: The method of claim 1 , wherein the step of contacting comprises passing the water through a treatment reservoir containing the composition.7: The method of claim 1 , further comprising agitating the composition during the contacting step claim 1 , heating the water source prior to the contacting step claim 1 , and/or increasing the pH of the water source prior to the contacting step.810-. (canceled)11: The method of claim 1 , wherein the treated water reduces scale formation on a surface contacted by the treated water.12: The method of claim 1 , wherein the resin material is selected from the group consisting of a gel type resin structure claim 1 , a macroporous type resin structure claim 1 , and combinations thereof.13. (canceled)14: The method of claim 1 , wherein the weak acid cation resin is selected from the consisting of a crosslinked acrylic acid polymer claim 1 , a crosslinked methacrylic acid polymer claim 1 , and mixtures thereof.1519 ...

METHOD OF SEPARATING CHEMISTRIES IN A DOOR-TYPE DISHMACHINE

The present disclosure relates to a dishmachine that includes at least two tanks and methods of using the tanks to isolate, substantially isolate, or incrementally isolate different chemistries from each other during a cycle. The disclosed dishmachine design and method allows for the use of two different, and potentially incompatible, reactive, or offsetting chemistries to be used in the same dishmachine cycle. 1. A method of washing articles in a dishmachine comprising: i. a first tank;', 'ii. a first pump;', 'iii. a second tank;', 'iv. a second pump;', 'v. a diverter plate selectively movable between a first position and a second position wherein the first position causes the diverter plate to be in fluid communication with the first tank and the second position causes the diverter plate to be in fluid communication with the second tank; and', 'vi. articles to be cleaned;, 'A. providing a dishmachine comprisingB. filling the first tank with a first composition and filling the second tank with a second composition;C. spraying the first composition from the first tank at a first temperature onto the articles in the dishmachine;D. moving the diverter plate to the first position, wherein at least the majority of the spray of the first composition flows onto the diverter plate and into the first tank;E. spraying the second composition from the second tank at a second temperature onto the articles in the dishmachine;F. moving the diverter plate to the second position, wherein at least the majority of the spray of the second composition flows onto the diverter plate and into the second tank: andG. spraying a fresh water rinse onto the articles in the dishmachine.2. The method of claim 1 , wherein the first composition is an alkaline composition.3. The method of claim 1 , wherein the second composition is an acidic composition.4. The method of claim 1 , wherein the first composition is an acidic composition.5. The method of claim 1 , wherein the second composition is an ...

METHOD OF SEPARATING CHEMISTRIES IN A DOOR-TYPE DISHMACHINE

The present disclosure relates to a dishmachine that includes at least two tanks and methods of using the tanks to isolate, substantially isolate, or incrementally isolate different chemistries from each other during a cycle. The disclosed dishmachine design and method allows for the use of two different, and potentially incompatible, reactive, or offsetting chemistries to be used in the same dishmachine cycle. 115-. (canceled)16. A dishmachine comprising:(A) a wash chamber having wash arms mounted therein;(B) a first tank;(C) a first pump operatively connected to the first tank and the wash chamber through a first conduit, wherein the first tank is in fluid communication with the wash arms;(D) a second tank;(E) a second pump operatively connected to the second tank and the wash chamber through a second conduit, wherein the second tank is in fluid communication with the wash arms;(F) a diverter plate selectively movable between a first position and a second position wherein the first position causes the diverter plate to be in fluid communication with the first tank and the second position causes the diverter plate to be in fluid communication with the second tank;(G) a gutter plate located above the diverter plate; and(H) a removable strainer located on top of the gutter plate.17. The dishmachine of claim 16 , wherein the first tank and the second tank have a combined fluid capacity of no more than 1 gallon.18. The dishmachine of claim 16 , wherein the first tank further comprises a top cover claim 16 , an opening in the cover claim 16 , and a valve in communication with the opening and configured to open and allow fluid to flow into the first tank.19. The dishmachine of claim 16 , wherein the gutter plate includes a central opening and at east two walls on opposite sides of the central opening each forming a recess.20. The dishmachine of claim 16 , wherein the diverter plate is moved from the first position to the second position electronically.21. The dishmachine ...

METHODS AND APPARATUS FOR CONTROLLING WATER HARDNESS

The present invention is related to methods, apparatuses, and compositions for controlling water hardness. The methods, apparatuses and compositions also reduce scale formation. The present invention includes substantially water insoluble resin materials. The resin materials may be loaded with a plurality of cations. 177-: (canceled)78: An apparatus for treating a water source comprising:(a) an inlet into which a water source flows;(b) an outlet from which a treated water source is discharged; and(c) a first water treatment reservoir comprising a water treatment composition, configured such that the inlet provides water to the first water treatment reservoir and passes through the water treatment composition forming the treated water source, and the treated water source is discharged through the outlet;wherein the water treatment composition comprises a substantially insoluble resin material having a bed depth of less than about two feet; andwherein the substantially insoluble resin material is loaded with a plurality of one or more multivalent cations such that the resin material is exhausted.79: The apparatus of claim 78 , wherein the substantially insoluble resin material comprises a weak acid cation exchange resin claim 78 , a gel type resin structure claim 78 , a microporous type resin structure claim 78 , or a combination thereof.80: The apparatus of claim 79 , wherein the substantially insoluble resin material is a weak acid cation exchange resin claim 79 , and wherein the weak acid cation exchange resin is a crosslinked acrylic acid polymer claim 79 , a crosslinked methacrylic acid polymer claim 79 , or a combination thereof.81: The apparatus of claim 80 , wherein the weak acid cation exchange resin comprises one or more additional copolymers claim 80 , and wherein the one or more additional copolymers are butadiene claim 80 , ethylene claim 80 , propylene claim 80 , acrylonitrile claim 80 , styrene claim 80 , vinylidene chloride claim 80 , vinyl chloride ...

Acid formulations for use in a system for warewashing

Methods of acidic warewashing are disclosed. The compositions can include other materials including surfactants and chelating agents, and are preferably phosphorous free. Methods of using the acidic compositions are also disclosed. Exemplary methods include using the acidic compositions together with other compositions, including alkaline compositions and rinse aids employed in an alternating alkaline/acid/alkaline manner. The methods also include acidic compositions that serve multiple roles.

Non-phosphate detergents and non-phosphoric acids in an alternating alkali/acid system for warewashing

A method of warewashing for the optimization of cleaning is obtained, excess detergent usage is minimized and further where deposit of film on ware is reduced in an alternating acidic and alkaline cleaning method. According to the invention, the type of acid and alkalinity used, or acid salt formed upon application of the acidic and alkaline washes is important to cleaning performance and phosphate or silicates should be avoided.

Warewashing method

The invention generally relates to a method of warewashing where a solid alkaline or acidic cleaning composition is dissolved in water to form a concentrated cleaning composition, which is applied directly to the article to be cleaned, rather than dispensed into a sump and applied to the article as a ready-to-use composition. In additional aspects, the methods of using highly concentrated alkaline and/or acid compositions in an alternating pattern of alkaline-acid-alkaline or acid-alkaline-acid, or the like, provide substantially similar or superior cleaning efficacy while reducing the overall consumption of the alkaline and/or acid compositions.

Non-phosphate detergents and non-phosphoric acids in an alternating alkali/acid system for warewashing

A method of warewashing for the optimization of cleaning is obtained, excess detergent usage is minimized and further where deposit of film on ware is reduced in an alternating acidic and alkaline cleaning method. According to the invention, the type of acid and alkalinity used, or acid salt formed upon application of the acidic and alkaline washes is important to cleaning performance and phosphate or silicates should be avoided.

Synergistic stain removal through novel chelator combination

The invention relates to a concentrated detergent composition comprising an alkali metal hydroxide, methylglycinediacetic acid, glutamic acid N,N-diacetic acid, and alkali metal tripolyphosphate. The composition is particularly suited to remove tea and coffee soil in warewashing applications.

Empty product detector

The alarm mechanism of the invention signals the absence of a liquid from a source of aqueous liquid. The alarm mechanism comprises an alarm body having an inlet port and an outlet port; the inlet port in liquid communication with a source of liquid, the outlet port in liquid communication with a use locus. The alarm mechanism additionally comprises a float chamber placed in liquid parallel communication with the inlet port and the outlet port. The float chamber contains a float operably connected to a mechanical alarm. The float, as the chamber is emptied of liquid, reaches a position wherein a "low or empty product" signal is generated. The apparatus operates by passing liquid through the body. As liquid in the source of liquid is depleted and is no longer available for passage through the body, the body becomes emptied of liquid as the source of pressure removes liquid from the body and particularly from the chamber causing the float to reach a position generating a signal.

FLUID DISPENSING APPARATUS

Un appareil de distribution 10 comporte un récipient 11 et un poste d'arrimage 20. Un plongeur, placé dans une sonde située sur un élément mobile, est guidé dans une pièce d'insertion de récipient qui est placée dans la sortie du récipient.

ALARM DEVICE CAPABLE OF SIGNALING THE ABSENCE OF A LIQUID AND LIQUID DISPENSER COMPRISING

Non-phosphate detergents and non-phosphoric acids in an alternating alkali/acid system for warewashing

Removal of heat and water vapor from commercial dishwashing machines

A water-driven jet or venturi extraction means is used to remove, capture a nd cool the hot, highly humid air created within commercial dishwashers during a wash rinse or sanitization cycle. A cold water spray is used to create a pressure reduction zone which serves to draw in hot, highly humid air from the dishwasher. Wate r vapor cools and condenses on contact with the cold water spray within the venturi. The invention also serves to help vent the dishwasher. Cool, fresh air is drawn into the dishwasher while the hot air is drawn into the venturi.

Acid formulations for use in a system for warewashing

Methods of acidic warewashing are disclosed. The compositions can include other materials including surfactants and chelating agents, and are preferably phosphorous free. Methods of using the acidic compositions are also disclosed. Exemplary methods include using the acidic compositions together with other compositions, including alkaline compositions and rinse aids employed in an alternating alkaline/acid/alkaline manner. The methods also include acidic compositions that serve multiple roles.

Methods and apparatus for controlling water hardness

The present invention is related to methods, apparatuses, and compositions for controlling water hardness. The methods, apparatuses and compositions also reduce scale formation. The present invention includes substantially water insoluble resin materials. The resin materials may be loaded with a plurality of cations.

Dishwashing machine having a water vapor recovery line and method for washing articles

The washing chamber includes a housing, a washing chamber interior for spray application of wash water and rinse water, and a water vapor vent for removal of water vapor from the washing chamber interior. The water holding tank is provided for holding wash water and rinse water from the washing chamber. The water vapor recovery line extends from the water vapor vent to an air and liquid water discharge. The water vapor recovery line comprises a condensing region for condensing water vapor present in the condensing region. A method for operating a dishwashing machine is provided.

Empty product detector

Water treatment system and downstream cleaning methods

The present invention provides methods for treating an aqueous system comprising contacting the aqueous system with a composition comprising a conversion agent. The methods of the present invention reduce the solubilized water hardness and/or reduce or inhibit scale formation in an aqueous system. Further, the methods of the present invention impact the chemistries needed in downstream cleaning processes employing water treated in accordance with the methods of the present invention.

Catalytic water treatment method and apparatus.

La presente invención se refiere a métodos, aparatos y sistemas para el tratamiento del agua. Los métodos, aparatos y sistemas reducen la dureza del agua solubilizada utilizando varios agentes de tratamiento del agua unidos a un material de soporte. La presente invención también incluye métodos de empleo del agua tratada, por ejemplo, en aplicaciones de limpieza o de procesamiento de alimentos.

Apparatus for dispensing fluid from a container

The apparatus has a container (11) for the dispensed liquid, and a docking station for receiving the container. The docking station has a support (28) for holding the container and a pierceable self sealing septum is operatively connected to the container. A needle is connected to the docking station, and has a first end fort piercing the septum and for being in fluid communication with the liquid. The needle's second end transfers the liquid out of the container. The apparatus may also have a pickup tube (34) whose first end is in communication with the septum, and the second end is near the bottom of the container. The needle is mounted on a movable mounting with respect to the docking station k so the needle may be movable as the septum is moved proximate the needle to provide for alignment of the needle and septum. The needle may be mounted inside a probe which is operatively connected to the docking system. The container may have a vent to allow gas to pass into the container but to prevent liquid from exiting the container. The vent is made from polytetrafluoroethylene. The container may have a handle and be made for blow molded polyethylene. The septum may be made from rubber, butyl, or a silicon material with a layer of polytetrafluoroethylene bonded to the silicon.

WATER TREATMENT SYSTEM AND DOWNWATER CLEANING METHODS

Automated cleaning apparatus

An automated cleaning apparatus comprising: one or more product dispensing points providing direct application of a concentrated product onto an article to be cleaned; and a control device providing a concentrated product dispensing signal to dispense product at the product dispensing points based on a type of article to be cleaned.

Apparatus for separating chemistries in a door-type dishmachine

The present disclosure relates to a dishmachine that includes at least two tanks and methods of using the tanks to isolate, substantially isolate, or incrementally isolate different chemistries from each other during a cycle. The disclosed dishmachine design and method allows for the use of two different, and potentially incompatible, reactive, or offsetting chemistries to be used in the same dishmachine cycle.

Cleaning compositions with water insoluble conversion agents and methods of making and using them

The present invention relates to cleaning compositions comprising conversion agents and methods of using them. The conversion agents of the present invention comprise water insoluble compounds such as metal oxides, metal hydroxides, and combinations thereof. The compositions can be substantially free of a builder, e.g., a chelating agent, sequestrant, and/or threshold agent, while still achieving effective soil removal.

Zero waste reverse osmosis system and downstream rinsing

A system for regulating a reverse osmosis system to obtain zero wastewater. A reverse osmosis apparatus filters water from the fresh water supply into a concentrate rinse stream and a permeate rinse stream. A concentrate storage tank and a permeate storage tank are downstream of the reverse osmosis apparatus and receive the concentrate rinse stream and the permeate rinse stream, respectively. A concentrate solenoid valve and a permeate solenoid valve control the flow of the concentrate rinse stream and the permeate rinse stream from their respective storage tank. An institutional dishmachine receives the concentrate rinse stream and the permeate rinse stream during a rinse cycle of the institutional dishmachine. A control system is operatively connected to the concentrate solenoid valve and the permeate solenoid valve and control flow of the rinse streams into the institutional dishmachine.

Removal of heat and water vapor from commercial dishwashing machines

A water-driven jet or venturi extraction means is used to remove, capture and cool the hot, highly humid air created within commercial dishwashers during a wash rinse or sanitization cycle. A cold water spray is used to create a pressure reduction zone which serves to draw in hot, highly humid air from the dishwasher. Water vapor cools and condenses on contact with the cold water spray within the venturi. The invention also serves to help vent the dishwasher. Cool, fresh air is drawn into the dishwasher while the hot air is drawn into the venturi.

Automated cleaning method and apparatus

An automated method and apparatus for cleaning articles by direct application of concentrated product to a soiled surface of the article is disclosed. The article type is identified and a product dispensing sequence is activated to control the type of product dispensed onto the articles based on the article type and/or soil type on the article. Product, duration, and other parameters are tailored according to the article type and/or soil type during each sequence of the wash cycle. Product, wash and rinse liquids are applied at specific locations and from specific directions from within the cleaning apparatus based upon the article type and/or soil type on the article.

Liquid dispenser and docking station for mating container

A dispensing apparatus 10 includes a container 11 and docking station 20. A needle 35 positioned in a probe 40 which is located on a movable member 45 is guided into a container insert 60 which is positioned in the outlet 12 of the container 11.

Concentrated warewashing compositions and methods

The invention generally relates to concentrated warewashing compositions and methods of using the same. In some aspects, the invention uses concentrated compositions in methods of warewashing where the concentrate is applied directly to the article to be cleaned, rather than dispensed into a sump and applied to the article as a ready-to-use composition. In additional aspects, the methods of using highly concentrated alkaline and/or acid compositions in an alternating pattern of alkaline-acid-alkaline or acid-alkaline-acid, or the like, provide substantially similar or superior cleaning efficacy while reducing the overall consumption of the alkaline and/or acid compositions.

Methods and apparatus for controlling water hardness.

La presente invención se refiere a métodos, aparatos y composiciones para controlar la dureza del agua. Los métodos, aparatos y composiciones también reducen la formación de escamas. La presente invención incluye materiales de resma substancialmente insolubles en agua. Los materiales de resma pueden ser cargados con una pluralidad de cationes.

Diswasher and method for removing vapor from the dishwasher housing

A water-driven jet or venturi extraction means (200) is used to remove, capture and cool the hot, highly humid air created within commercial dishwashers during a wash rinse or sanitization cycle. A cold water spray (220) is used to create a pressure reduction zone (140) which serves to draw in hot, highly humid air from the dishwasher. Water vapor cools and condenses on contact with the cold water spray within the venturi. The invention also serves to help vent the dishwasher. Cool, fresh air is drawn into the dishwasher while the hot air is drawn into the venturi.

Zero waste reverse osmosis system and downstream rinsing

A system for regulating a reverse osmosis system to obtain zero wastewater includes a fresh water supply, a reverse osmosis apparatus, a concentrate storage tank and a permeate storage tank, a concentrate solenoid valve and a permeate solenoid valve, a permeate heater, an institutional dishmachine and a control system. The reverse osmosis apparatus filters water from the fresh water supply into a concentrate rinse stream and a permeate rinse stream. The concentrate storage tank and the permeate storage tank are downstream of the reverse osmosis apparatus and receiving the concentrate rinse stream and the permeate rinse stream, respectively. The concentrate solenoid valve and the permeate solenoid valve control the flow of the concentrate rinse stream and the permeate rinse stream, respectively, from their respective storage tank. The permeate heater heats the permeate rinse stream to a predetermined temperature. The institutional dishmachine successively receives the concentrate rinse stream and the permeate rinse stream during a rinse cycle of the institutional dishmachine. The control system is operatively connected to the concentrate solenoid valve and the permeate solenoid valve and control flow of the rinse streams into the institutional dishmachine.

Methods and apparatus for controlling water hardness

The present invention is related to methods, apparatuses, and compositions for controlling water hardness. The methods, apparatuses and compositions also reduce scale formation. The present invention includes substantially water insoluble resin materials. The resin materials may be loaded with a plurality of cations.

Concentrated warewashing compositions and methods

The invention generally relates to concentrated warewashing compositions and methods of using the same. In some aspects, the invention uses concentrated compositions in methods of warewashing where the concentrate is applied directly to the article to be cleaned, rather than dispensed into a sump and applied to the article as a ready-to-use composition. In additional aspects, the methods of using highly concentrated alkaline and/or acid compositions in an alternating pattern of alkaline-acid-alkaline or acid-alkaline-acid, or the like, provide substantially similar or superior cleaning efficacy while reducing the overall consumption of the alkaline and/or acid compositions.

methods and equipment for controlling water hardness

Dishwashing machine having a water vapor recovery line and method for washing articles

The washing chamber includes a housing, a washing chamber interior for spray application of wash water and rinse water, and a water vapor vent for removal of water vapor from the washing chamber interior. The water holding tank is provided for holding wash water and rinse water from the washing chamber. The water vapor recovery line extends from the water vapor vent to an air and liquid water discharge. The water vapor recovery line comprises a condensing region for condensing water vapor present in the condensing region. A method for operating a dishwashing machine is provided.

Methods and apparatus for controlling water hardness

The present invention is related to methods, apparatuses, and compositions for controlling water hardness. The methods, apparatuses and compositions also reduce scale formation. The present invention includes substantially water insoluble resin materials. The resin materials may be loaded with a plurality of cations.

Methods and apparatus for controlling water hardness

The present invention is related to methods, apparatuses, and compositions for controlling water hardness. The methods, apparatuses and compositions also reduce scale formation. The present invention includes substantially water insoluble resin materials. The resin materials may be loaded with a plurality of cations.

Dishwashing machine having a water vapor recovery line and method for washing articles

The washing chamber includes a housing, a washing chamber interior for spray application of wash water and rinse water, and a water vapor vent for removal of water vapor from the washing chamber interior. The water holding tank is provided for holding wash water and rinse water from the washing chamber. The water vapor recovery line extends from the water vapor vent to an air and liquid water discharge. The water vapor recovery line comprises a condensing region for condensing water vapor present in the condensing region. A method for operating a dishwashing machine is provided.

Water treatment system and downstream cleaning methods

Removal of heat and water vapor from commercial dishwashing machines

Automated cleaning method and apparatus

An automated method and apparatus for cleaning articles by direct application of concentrated product to a soiled surface of the article is disclosed. The article type is identified and a product dispensing sequence is activated to control the type of product dispensed onto the articles based on the article type and/or soil type on the article. Product, duration, and other parameters are tailored according to the article type and/or soil type during each sequence of the wash cycle. Product, wash and rinse liquids are applied at specific locations and from specific directions from within the cleaning apparatus based upon the article type and/or soil type on the article.

Dispenser for solid detergents

Disclosed is a dispenser(10) for dispensing a wash chemical solution which has been created by dissolving a solid wash chemical (65) in a diluent. The dispenser (10) has a sump (48) which is positioned beneath an outlet port (40) for the wash chemical solution, so that the sump (48) collects the dissolved wash chemical. The sump (48) is contained within a reservoir (17), and overflow from the sump (48) is collected within the reservoir (17). A pick-up tube (27) withdraws the wash chemical solution from the reservoir (17). The sump (48) is retained within the reservoir (17) by flexible tabs (72) and a support member (51) against which the sump (48) is positioned. A screen is provided above the sump (48) for filtering unwanted particulates.

Catalytic water treatment method and apparatus

Water treatment system and downstream cleaning methods

The present invention provides methods for treating an aqueous system comprising contacting the aqueous system with a composition comprising a conversion agent. The methods of the present invention reduce the solubilized water hardness and/or reduce or inhibit scale formation in an aqueous system. Further, the methods of the present invention impact the chemistries needed in downstream cleaning processes employing water treated in accordance with the methods of the present invention.

Apparatus for separating chemistries in a door-type dishmachine

The present disclosure relates to a dishmachine that includes at least two tanks and methods of using the tanks to isolate, substantially isolate, or incrementally isolate different chemistries from each other during a cycle. The disclosed dishmachine design and method allows for the use of two different, and potentially incompatible, reactive, or offsetting chemistries to be used in the same dishmachine cycle.

Methods and apparatus for controlling water hardness

The present invention is related to methods, apparatuses, and compositions for controlling water hardness. The methods, apparatuses and compositions also reduce scale formation. The present invention includes substantially water insoluble resin materials. The resin materials may be loaded with a plurality of cations.

Dispenser for solid detergents

Solid wash chemical dilution and dispensing with diluted wash delivered to sump and overflowing to surrounding reservoir