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4946599 Apparatus and method for converting bottled water dispensers to continuous supply systems  
Apparatus and methods for converting a bottled water dispenser for use with a continuous source of water are disclosed. In a preferred embodiment, means for reducing the pressure and filtering the...
4940134 Waste solution treatment method and apparatus therefor  
An apparatus for treating a waste solution generated when a photosensitive material is processed by an automatic developing machine includes a waste solution reservoir which is maintained at a...
4935152 Collector apparatus and method for recovery of oil spills, and the like  
Spills such as from oil, chemicals, and the like on a body of water are recovered by overlaying the spill, or a portion thereof, with an inflatable, weighted collector. The collector may be...
4933093 Fuel filter  
A heated fuel filter and water separator is disclosed. The assembly has a filter element mounted inside a fuel container. The fuel container has an upper chamber containing a filter element and a...
4926538 Universal nest for a connector assembly tool  
A universal nest (1)) for accommodating a separate one of a pair of ribbon connectors (12 and 12') of heights h 1 and h 2 , respectively, comprises an elongated beam (26) along which a first block...
4925571 Method for the simultaneous transport and pasteurization of sewage sludge  
A process for treating sewage sludge having a predetermined water content to produce a soil conditioner, comprising (a) transporting the sludge aboard a vehicle; and (b) heating the sludge during...
4921615 Separation of solid particles of various sizes from viscous liquids  
Solid particles of various sizes are separated from viscous liquids, for example biomass from liquids of biotechnological processes, by pressure filtration by subjecting the inhomogeneous or...
4919777 Electrostatic/mechanical emulsion treating method and apparatus  
A treater for electrostatically and/or mechanically separating emulsified brine from oil during longitudinal flow through a horizontally elongate metal tank, wherein coalescer elements are provided...
4917807 Method for recovering solvent  
A method for cleaning a solvent which may conatin hazardous particulate material which comprises liquid and vapor portions which are being recirculated in a closed system. Suspended particulate...
4911240 Self treating paraffin removing apparatus and method  
A self treating paraffin removing mechanism utilizing existing above ground equipment. The above ground equipment utilized is a heater treater normally employed at the typical well for separating...
4909947 Process for detoxifying high aqueous content hazardous waste streams  
A process for detoxifying a high aqueous content hazardous waste stream having a water content greater than about 70 weight percent and comprising halogenated hydrocarbonaceous compounds which...
4906388 Sewage sludge dewatering process  
Solid organic substrates, such as sewage sludge, peat, and biomass, are dewatered in a three-stage process comprising mechanical dewatering of the substrate, followed by combination of the...
4892714 Recrystallization apparatus  
Small scale recrystallization apparatus is described using a container tube and a plastic plug with the end of the plug and a constriction in the tube mismating in a precisely controlled...
4891140 Desalination process  
This invention teaches a method of removing dissolved minerals and organic material from water. The water is heated under controlled pressure to reduce the density and thus opening the molecular...
4885099 Closed system solvent stripping and reclaiming apparatus  
A closed circuit solvent stripping and reclaiming apparatus for recovering solvent from filters used in dry cleaning machines comprising a steam cabinet (2), and condenser (3), a water solvent...
4876015 Method and apparatus for reclaiming used hydraulic fluid  
Small quantities of dirty oil used in industrial facilities, such as hydraulic fluid, lubricating oil and the like, are reclaimed by placing a batch of such fluid in a relatively small, vertically...
4876079 Separation of a mixture of sulfur and alkaline solution and apparatus therefor  
For the separation of sulfur from a sulfur/alkaline solution suspension, the suspension is heated to a temperature above the melting temperature of the sulfur and is introduced under pressure into...
4869830 Method for treating a produced hydrocarbon-containing fluid  
A method and system for reducing the oil concentration of a produced, hydrocarbon-containing fluid to no more than about 10 ppm and softening the deoiled fluid to reduce scale-forming constituents....
4865991 Methods for partitioning of organic flavor compounds  
Methods for partitioning and analysis of flavor volatile and other organic components in a food or bioculture composition utilizing acetonitrile-water blends which are cooled to provide a phase and...
4863613 Soy protein isolation process using swellable poly(N-isopropylacrylamide) gels  
A method is provided for the purification and concentration of soy protein comprising mixing an aqueous solution including soy protein along with other water soluble moieties including sugars,...
4851123 Separation process for treatment of oily sludge  
Novel process for the removal of hydrophobic oil from solid particulates in oily sludge waste which includes waste material from the oil refineries, drilling fluids or muds, brines, and other...
4851606 Control of waste water chemical oxygen demand in an oxygenate to hydrocarbon conversion process  
In a process for converting C 1 to C 4 oxygenates to hydrocarbons by contacting the oxygenates with a crystalline zeolite conversion catalyst and wherein a byproduct water effluent stream is...
4844811 Method for separating dissolved organic compounds from a solution  
A process for separating dissolved organic solutes from a solution is provided. The process includes the steps of mixing the solution with a surfactant in order that the surfactant absorbs...
4842748 Methods for removing volatile substances from water using flash vaporization  
Methods for removing volatile organic substances from water employ flash vaporization techniques. The methods comprise providing water which contains volatile organic substances and is at a...
4828701 Temperature-sensitive method of size-selective extraction from solution  
A separation method utilizing the ability of temperature-sensitive cross-linked polymer gels to selectively extract solvent from a solution of a macromolecular material. A feed solution containing...
4818405 Sludge treatment  
Municipal sludge is converted from an environmental problem into soil amendment and electricity. Methane, produced in an anaerobic digester (2), is used partially to generate electricity and...
4818303 Method and apparatus for settling sludge  
A method and apparatus for improved settling and handling of sludge in a fused salt bath for treating materials is provided. The apparatus includes a tank divided into a work zone and a salt...
4810775 Process for purifying resorbable polyesters  
The invention relates to the purification of polymers, particularly resorbable polyesters, using shear fields produced mechanically or by fluid dynamics.
4810393 Process for the separation of the constituents of a suspension  
The installation comprises a self-cleaning filter (19), a heater (23), a centrifugal separator (25) and a belt filter (51) for filtering the solid sediments from separator (25).
4808319 Method for removing a slime deposit from packing material inside a tower  
Air stripping is a common technique used to remove organic impurities from water found in underground aquifers. When this technique is used, bacteria already present in the underground water, and...
4802995 Method for decomposing the cyanide radical in cyanide-bearing wastes or materials  
A method for decomposing the cyanide radical in cyanide-bearing wastes or materials. The cyanide radical of cyanide compounds contained in cyanide-bearing wastes or materials is chemically...
4795571 Purification of frozen crystal layers  
Frozen crystal layers are purified by a process in which these crystal layers, after they have been frozen out from a melt or solution on a cooling surface, are brought into contact with a...
4795569 Method for dry fractionation of fatty material  
A method for dry fractionation of a fatty material which comprises cooling the fatty material and then fractionating the material into a solid fraction and a liquid fraction, said cooling being...
4793936 Method of recovering alkali metal fluorides from organic slurry  
A method for recovering organic ether solvent and alkali metal fluoride from a slurry thereof such as may be formed as a byproduct in silane manufacture. First water is added to a slurry having an...
4793938 Method and apparatus for decontaminating dry cleaning fluid and filters  
A system is provided for purging contaminants from dry cleaning fluid used in a machine for dry cleaning clothing while concurrently decontaminating the filter cartridges through which the dry...
4792408 Method and apparatus for enhancing chemical reactions at supercritical conditions  
A continuously flowing fluid is processed by being fed to the top of a hydraulic downdraft column (17) which is of a height such that the pressure at the bottom thereof will approximately be at the...
4787986 Process and apparatus for melting silicon powder  
A process for continuous or batchwise melting of silicon powder in particular, powder having a large amount of fines, and a melting crucible for carrying out this process are specified. The melting...
4784751 Method and apparatus for reclaiming contaminated oil  
Contaminated oil is reclaimed for fuel use by pumping same through an oil filter into one side of a divided tank then through a heater to burn off water and antifreeze and then into the other side...
4780218 Perchlorethylene recovery process for dry cleaning equipment  
A method for a perchlorethylene recovery process for dry cleaning equipment in which virtually all of the perchlorethylene is recovered from the process so as to increase the economic efficiency of...
4778604 Method for reclaiming waste ink  
An improved method for reclaiming waste printing ink is provided that requires no dilution nor blending with virgin ink wherein substantially all entrained water and solvent contamination is...
4774005 Process for working-up an aqueous silicohydrofluoric acid solution  
An aqueous solution of hexafluorosilicic acid containing 2 to 15 wgt % H 2 SiF 6 is worked up. To this end, the solution is admixed with particulate CaCO 3 or Ca(OH) 2 consisting to an extent...
4774007 Process and apparatus for eliminating oil field waste pits  
The apparatus provides for a housing mountable on a trailer for conducting the process in-situ. A pump withdraws substantially all hydrocarbon-contaminated matter from the oil waste pit and...
4769157 Process for the thermal treatment of sludges  
A process for the thermal treatment of carbon-containing substances, in particular of sludges which, after mechanical indirect pre-drying, are subjected to direct drying by means of drying gas is...
4762622 Apparatus and process for separating solid particles from a liquid suspension and/or for the purification or leaching of solid particles  
The process for separating the solid particles in the column is based on the intermittent supply of pressurized suspension to the apparatus which pressure supplies the energy required for feeding...
4755306 Method for collecting a highly viscous, tough and tacky material from an area covered by such material  
A method for collecting from a surface area crude oil or a similar highly viscous, tough and tacky material which covers the surface area as a layer, is characterized by consecutively separating...
4753735 Solvent and apparatus and method for cleaning and drying surfaces of non absorbent articles  
A method, liquid and apparatus is disclosed that is capable of effectively removing contaminated liquids from nonabsorbent articles. Articles wet with such liquids are immersed in azeotropic...
4752308 Process for the reconditioning of quench water  
Referring to a process for the reconditioning of quench water or scrubbing water obtained as effluent from plants for the pressure gasification of solid or liquid fuels it is intended to provide...
4751006 Coolant reclamation unit  
A unit for cleaning and reclaiming contaminated coolant, including a unitary tank structure having a first storage compartment for contaminated coolant and a second storage compartment for clean...
4747906 Process and apparatus for purifying silicon  
Crude silicon is purified by melting the crude silicon, maintaining the molten silicon above the solidification temperature thereof in an inert gas atmosphere, and rotating a hollow rotary cooling...
4743380 Solvent recovery system  
A solvent recovery system (10) is disclosed which separates material from a solution by refrigeration. The solution is used to wash a printing plate and the material is washed from the plate by the...