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5669982 |
Method for collecting wash water or other fluids applied to articles
The invention provides a method for washing an article and collecting the used wash water as well as a wash pad and a mobile apparatus. A wash truck is modified to include a water treatment unit...
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5660732 |
Method of separating oleophilic-hydrophobic material from wash water
A method of separating oleophilic-hydrophobic material from wash water is disclosed. The method comprises the steps of mixing with the wash water, either alone or in combination, about 30-2100 ppm...
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5653819 |
Method for cleaning threaded portions of tubular members
A process for removing impurities from the threaded end of a tubular member by placing a housing around the end of the first end of the member, for defining a collection space between the member...
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5647914 |
Nonaqueous solvent regenerating method for use in cleaning
The nonaqueous solvent employed in drying as a final step of cleaning is regenerated. The nonaqueous solvent is contacted with a separation fluid having low compatibility with the nonaqueous...
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5647989 |
Method for recovering abrasive particles
A method for recovering abrasive particles of, in particular, colloidal silica, in a simple manner from a spent abrasive suspension, which requires subjecting the spent abrasive slurry (5)...
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5641360 |
Process and device for improving the treatment of sewage solids
Treatment of sewage solids, sand, rubbish and the like, especially for the dumping and/or incineration with a reduced pollutant and moisture content, or similar disposal with the mechanical...
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5641361 |
Method for removing and reclaiming excess uncured paint from a paint spray booth
Excess uncured paint is removed and reclaimed from a paint spray booth by bringing an air stream in which uncured paint particles are entrained into contact with a flowing aqueous flood sheet...
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5640703 |
Treatment of solid wastes
A process for the treatment of solid waste material which is or is suspected to be contaminated with plutonium or compounds thereof with or without other hazardous contaminants, which process...
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5632866 |
Point-of-use recycling of wafer cleaning substances
A method of recycling and purifying cleaning chemicals used in the production of semiconductor circuits and containing hydrofluoric acid and or hydrochloric acid. Recycling of such chemicals is...
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5631303 |
Process for removing plastics from microstructures
A process for removing plastics from microstructures is disclosed. The metallic microstructure is treated with a high-boiling fluid at a temperature above 140° C. for 10 to 90 minutes and...
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5630434 |
Filter regeneration system
Stripping contaminants/impurities from a filter includes subjecting the filter to a negative gauge pressure and applying superheated solvent vapor to the filter while maintaining the negative gauge...
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5628832 |
Removal of adhesive from polyester film
Adhesive is removed from polyester film which is initially formed into a flake followed by a series of removal and separating steps. In a preferred mode a clarified liquid which results from...
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5622630 |
Apparatus for and method of treatment of media containing unwanted substances
An apparatus and method for removing unwanted substances from media such as water and soil. Various industrial waste water streams can be treated simply and effectively to remove therefrom such...
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5618432 |
Process for solvent recovery
A process for recovery and reuse of liquids used as solvents and diluents in a chemical reaction and/or the processing of substances, the process include the introduction of a solvent, a diluent,...
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5613238 |
Methods of decontaminating soils containing hazardous metals
Soil including sand and clays contaminated with nuclear waste materials and/or ions of hazardous non-radioactive metals or metalloids are decontaminated by treating with anhydrous liquid ammonia...
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5607596 |
Processes for the treatment of combustion residues and for the purification of combustion fumes
Process for the treatment of the combustion residues and for the purification of the combustion fumes, in which the residues are washed and then rinsed to reduce the leachable fraction both in...
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5601659 |
Mobile power wash system with water reclamation and hydrocarbon removal method
A cyclonic power wash system and method of using the system to clean flat surfaces. The cyclonic power wash system 11 uses high pressure, high temperature water for selectively cleaning large,...
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5599444 |
Apparatus for removing resist particles from stripping solutions for printed wireboards
An apparatus for removing polymer particles from the stripping solution used in the treatment of printed wireboards comprises passing a solution having resist particles dispersed therein over a...
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5593598 |
Method and apparatus for closed loop recycling of contaminated cleaning solution
An advanced oxidation process and apparatus for closed loop treating and recycling of cleaning solutions contaminated with used surfactants, fats, oils, greases, and inorganic and organic...
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5591272 |
Method for cleaning an oil tank
A method for cleaning an oil tank containing residues wherein the oil residues are fluidized by a fluidizing agent and are discharged from the tank in liquid state and are separated into fractions,...
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5585002 |
Reclamation of polluted wet soils
The present invention relates to a process for treatment of soils polluted by high-boiling organic substances, such as petroleum, polynuclear aromatics and chloro-organic substances, which process...
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5582651 |
Method for cleaning bulk bags
A method for cleaning bulk bags which have been utilized to transport dry bulk, the method including the steps of providing a first bulk bag to be cleaned; mounting the bulk bag on a frame through...
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5582743 |
Composite liquid filter
A liquid filter apparatus particularly useful in removing particulates from parts washing solvent. A filter assembly includes an exterior, fluid, impermeable container, preferably in the form of a...
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5580394 |
Method for cleaning industrial parts including sequential direct spray and immersion of the part
A method for cleaning industrial parts includes sequentially and alternately exposing the parts to direct free-air impingement spray and immersion cleaning. Contaminated or dirty industrial parts...
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5578135 |
Chemo-mechanical stripping of paint from plastic parts
A process for stripping of used parts or reject parts, in particular of polycarbonate (PC) or of a polycarbonate blend, preferably with polybutylene terephthalate (PBT/PC), for the purpose of...
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5578220 |
Method of extracting and collecting particulates from a pit
A process and product for extracting particulate solids from pit-like enclosures and thence separating the particulate solids from the liquids used to vacuum the particulate solids out of the...
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5578222 |
Reclamation of abrasive grain
The invention provides a process for recovering abrasive grains from vitreous bonded materials by boiling the material in an aqueous solution of an alkali metal base.
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5571337 |
Method for cleaning and drying a semiconductor wafer
A method for drying articles with flat surfaces such as a semiconductor wafer. The method includes steps of immersing a semiconductor wafer in a liquid such as water, and displacing the liquid with...
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5571336 |
Base solution for cleaning aluminum
A solution and solution concentrate for cleaning metal surfaces, particularly aluminum surfaces in which CaO or Ca (OH) 2 is added to sulfuric acid to raise the pH to about 13.1 after which the...
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5562779 |
Device and method for cleaning particulate material
A device for renovating synthetic grass playing surfaces which optionally include a layer of particulate material. The device comprises a plenum chamber (10) which directs a fast moving jet of air...
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5560782 |
Method and apparatus for treating articles with wash water or other fluid
The invention provides a method for washing an article and collecting the used wash water as well as a wash pad and a mobile apparatus. A wash truck is modified to include a water treatment unit...
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5551987 |
Process for the biological treatment of solid waste and mud contaminated by hydrocarbons
Process for the biological treatment of mud and oily residues obtained from he processing or extraction of crude oil. This process can be applied to mud alone, its mixtures and to suitable...
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5545795 |
Method for decontaminating radioactive metal surfaces
A method to decontaminate radioactively contaminated metallic objects in which the objects are contacted with a non- radioactive, aqueous solution containing acetic acid. The metallic objects are...
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5542442 |
Used oil filter cleaning system
An oil filter cleaning system having a used oil and water receiving tank and a water supply tank. A used oil filter is secured to the top end of a pipe connected to a submersible water pump in the...
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5542983 |
Process for cleaning metal surfaces with physical emulsion of terpene and water
Disclosed is a method and system for the efficient recycling of components involved in removing water insoluble contaminants from the surface of articles. A physically emulsified terpene-containing...
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5542982 |
Method of removing coating films
Improved methods of removing coating films from resin substrates includes first treating the resin substrates in an aqueous alkali solution with a concentration of 0.1 wt % or more at a temperature...
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5538538 |
Method for the manufacture of plastic parts
In a method for the manufacture of plastic parts which are used in an analytical measuring device and there come into contact with liquids, plastic base material is mixed with a suspension liquid...
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5538641 |
Process for recycling laden fluids
Described is a method to recycle laden fluid containing explosives or neutralized chemical agents. For example, the explosive laden fluid is passed through four filtering stages; a clarifier, a...
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5538646 |
Method and system for removing oil from oil-absorbent material
A method and system for removing oil from an oil absorbent material. The method comprises placing untreated oil containing material in a centrifuge, centrifuging the material to remove and recover...
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5536329 |
Method for washing produce
Produce, whether vegetable and/or fruit, is supported upon a screen basket suspended within a closed cabinet. Each of a plurality of nozzles disposed about the basket emits a filled cone of washing...
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5534078 |
Method for cleaning electronic assemblies
The concentration of solvent in a fluid including solvent and aqueous components is gradually decreased while the fluid is in contact with the electronic assemblies to be cleaned. An apparatus for...
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5531889 |
Method and apparatus for removing resist particles from stripping solutions for printed wireboards
A method for removing polymer particles from the stripping solution used in the treatment of printed wireboards comprises passing a solution having resist particles dispersed therein over a screen...
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5529702 |
Method for removing oil from a parts cleaning tank and the cleaning solution therein
The present invention entails a method and a system for continuously removing oil from the cleaning solution being utilized in a tank for cleaning parts and particularly removing oil from parts...
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5529589 |
Fiber media blasting material, method of recycling same, and equipment for discharging same
The invention relates to an improved blasting media which has a lattice fiber structure which is used as a carrier for other desired components. Desired abrasive component(s), polishing...
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5529637 |
Formic-carboxylic acid mixtures for removing iron oxide sclae from steel surfaces
Methods and solutions useful for removing iron oxide-containing scale from the interior surfaces of steel. An aqueous cleaning solution containing formic acid and at least one carboxylic acid...
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5527395 |
Method of cleaning and maintaining potable water distribution pipe systems with a heated cleaning solution
A method of cleaning and maintaining potable water distribution systems which have reduced flow due to an increase of scale, tuberculation, sediment, and the like on the inside surface of the pipe...
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5525371 |
Method for cleaning parts soiled with oil components and separating terpenes from oil compositions with a ceramic filter
A method is provided for cleaning parts soiled with oil components and seating terpenes from oil compositions using filters having suitable pore sizes to allow terpene components to pass through...
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5522940 |
Process for cleaning electronic parts or precision parts
Disclosed is a process for cleaning electronic parts or precision parts which comprises the steps of: washing the parts with a cleaning agent composition, rinsing the washed parts with water having...
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5514218 |
Soil washing process using polymeric sorbents
Contaminated material is decontaminated using a process in which fractions of the contaminated material are sequentially exposed to a polymeric sorbent to enhance removal of contaminants. The...
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5512104 |
Method to separate and recover resin and steel pipe from resin-coated steel pipe
In order to utilize separately steel pipe and coating resin as recycling resources, resin-coated steel pipe, which is produced by adhering a thermo-plastic coating resin on the surface of steel...
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