Abstract:
A pH greater than 7 aqueous ozonized cleaning composition can be used for cleaning a tenacious residue or film from solid surfaces. The cleaning properties can be potentiated by additive materials. Ozone, generated by electrical discharge, can be blended into effective aqueous cleaning compositions that can efficiently clean proteinaceous, oily or carbohydrate soil from a variety of surfaces. Immediately after ozone generation, the ozone containing gas stream comprising ozone and the residual air is injected through a hose into an aqueous potentiating additive containing carrier solution, forming a cleaning solution which is applied immediately to a soiled solid surface to remove a contaminating residue or film.
Abstract:
Disclosed is an indicator (15, 35) for determining the level of contents in an opaque, plastic container (10). The container (10) is filled with a solid chemical (11), such as a detergent. A spray of warm or hot water (19) impinges upon the eroding surface (16) of the solid chemical (11) to produce a chemical solution. The container (10) is provided with a thermochromatic strip (15, 35) for detecting the level of solid chemical (11) within the plastic capsule (10). A method of dispensing a solid chemical (11) and a dispensing container (10) are also disclosed.
Abstract:
The invention is a process for preventing microbial growth in aqueous streams by applying peracetic acid to the aqueous stream. Generally, the process of the invention is applicable to aqueous steams used in any number of applications such as the application of streams for the transport of fruits or vegetables into the processing environment and through the various steps of processing.
Abstract:
Aqueous bleach solutions can be made by directing a spray of water onto a bulk or shaped solid (brick, tablet, block, etc.) comprising a continuous solid phase of an encapsulated source of an active halogen bleach or a solid comprising a source of an oxidizing active halogen bleach, and an encapsulated oxidizing halogen bleach source. Such shaped solids can be used to dispense uniform quantities of an aqueous bleach concentrate to bleaching locus such as a washing machine. The tablets can be made from the encapsulated bleach or from a powder mixture of a particulate, granulated or powdered unencapsulated source of active oxidizing bleach and an encapsulated source of active oxidizing bleach by forming the powder mixture into a desired shape. Such a shaped solid bleach can be packaged in a container and can then be contacted with an aqueous spray in a dispenser to create a solution of active bleach for cleaning bleaching processes. The presence of the encapsulate in the solid with the powder reduces the tendency of the solid to absorb water which can be wicked through the solid to pass water through the solid into adjacent solids. Substantial proportions of absorbed water can cause the tablets to crack, crumble and to periodically dispense uneven, substantially large and undesirable concentrations of active bleach into a wash or bleach cycle. Such large amounts of halogen can cause corrosion of metal machine or dispenser parts, clothing damage, can cause pinholing or other fabric damage, can result in color loss or change, or can result in other undesirable effects in either the dispenser, washing machine or the cleaned item.
Abstract:
An apparatus and method for programming a detergent controller (12) to vary the detergent concentration set-point (14) according to the time of day and to achieve detergent concentration levels quickly without incurring overshoot. Thus, the present invention insures that the warewashing machine is operated at optimum efficiency and cost. To vary the set-point according to the time of day, the invention combines the features of a microprocessor, a clock and a controller into one unit. The user enters the time setting (16) and set point into the controller (12). The microprocessor (10) then compares the real-time clock signal with the user time settings and outputs an appropriate set-point value from the microprocessor (10) to the controller (12). To achieve detergent concentration levels quickly without incurring overshoot, the controller (12) senses the detergent concentration and dispenses the proper detergent level to the warewashing machine according to a predetermined detergent feed time based on the previous response time and the programmed set-point (14). Thus, the controller (12) can change the response function if and when conditions change.
Abstract:
A solid product static brake (10) is provided which is employed in cast solid chemical block dispensing systems for slowing a generally downward gravitationally driven movement of the solid chemical block when placed or installed in a chemical dispenser. The brake provides the ability to prevent the destruction of the cast solid during installation due to mechanical shock. The static brake comprises a horizontal base frame (12), and a plurality of rigid blade members (18) extending from the base frame in a generally perpendicular direction. When a new solid block is installed, the blade members contact and slow the solid block as it falls into the dispenser.
Abstract:
Concentrated liquid and solid lubricating compositions having superior compatability with synthetic polymeric packaging materials, such as polyethylene terephthalate (PET), linear high density polyethylene (LHDPE), polystyrene, polymeric coated papers, and the like, can include 1 to 50 wt % of a fatty acid diamine salt having the formula [(R1)(R2)N(R5)NH(R3)(R4)]+(R6COO)- or [(R1)(R2)NH(R5)NH(R3)(R4)]++ (R6COO)2- wherein R1 is a C10-18 aliphatic group; R2, R3, and R4 are independently hydrogen or an alkoxy group containing one to five alkylene oxide units; R5 is a C1-5 alkylene group; and R6 is a C10-18 aliphatic group. The lubricating compositions are particularly useful on the load bearing surfaces of conveyor belts used in the bottling of carbonated beverages in polyethylene terephthalate bottles.
Abstract:
We have found that foam generated from an aqueous medium can have a thermal insulating effect. The creation of a substantial volume of foam on the surface of an aqueous medium can reduce the apparent thermal IR emission substantially when compared to that of the aqueous medium free of foam. This difference in infrared emission can be used to control the addition of a defoaming agent to control foam in the aqueous medium. In the foam control method of the invention, an infrared detector is used to measure the infrared emission of an aqueous medium free of foam and during operations such a measurement is compared to the infrared emission of the aqueous medium under foaming conditions. As foam develops on the surface of the aqueous medium, the apparent thermal infrared emission from the foam is less than that of the aqueous medium free of foam. As the thermal IR emissions drop as foam develops, the difference between the apparent temperature of the foam and the aqueous medium, as measured as infrared thermal emissions, drops. Such a drop in temperature can be used to trigger the addition of a defoaming agent which can substantially reduce foam volume. As the foam volume is reduced, the thermal infrared emission of the aqueous medium returns to a value near the thermal inverting emission of the aqueous medium without foam. At this point, the addition of a defoaming composition is substantially reduced or stopped. During the control method, a predetermined limit is established at which the defoaming composition is introduced into the aqueous medium. As long as the thermal infrared emission of the foamed aqueous medium is different than the thermal infrared emission of the aqueous medium without foam, the defoaming agent is continually added to the aqueous medium. Further, the method permits the amount of defoaming agent added to the aqueous medium to be in proportion to the difference in infrared emission above the preset predetermined limit.
Abstract:
The invention includes lubricant concentrate and use solution compositions having an amine compound of the formula R1 - O - R2 - NH2, R1 - O - R2 - NH - R3 - H2, and mixtures thereof wherein R1 may be a linear saturated or unsaturated C6-C18 alkyl, R2 is a linear or branched C1-C8 alkyl. The concentrate also comprises an acidulant, optionally a stabilizing hydrotrope, and a surfactant. The lubricant use solution resulting from dilution of the concentrate has an amine compound in a concentration ranging from about 10 ppm to 10000 ppm. Also disclosed is a method of lubricating a conveyor system which includes providing a use solution of the lubricant concentrate composition.
Abstract:
The invention relates to methods and compositions for removing bonding agents from the hard surfaces of machinery and, in its most preferred mode packaging equipment. The release composition comprises lecithin and a hydrophobic carrier. The method comprises the steps of applying a release composition to the surfaces of the packaging equipment. The packaging equipment is then used. Any bonding agent deposited on the treated areas of the packaging equipment may then be removed. The invention is applicable to any number of package and container manufacture environments including package assembly, package sealing, product sealing, and labeling.