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7604702 |
Method, apparatus, and system for bi-solvent based cleaning of precision components
A bi-solvent cleaning system for cleaning precision components without the use of VOC solvents. The bi-solvent cleaning system provides for is a two mode operation for cleaning and rinsing...
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7597784 |
Pressurized vapor cycle liquid distillation
Embodiments of the invention are directed toward a novel pressurized vapor cycle for distilling liquids. In some embodiments of the invention, a liquid purification system is revealed, including...
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7591376 |
Methods for fractionating a machining suspension using destabilization and separation steps
The invention relates to a matrix liquid for producing machining suspensions, a machining suspension produced with the matrix and a method of fractionating the used machining suspension yielded...
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7591309 |
Method for production of high pressure steam from produced water
An evaporation based method for generation of high pressure steam from produced water in the heavy oil production industry. De-oiled produced water is processed through a high pH/high pressure...
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7585416 |
Apparatus for filtration and disinfection of sea water/ship's ballast water and a method of same
The invention disclosed provides an apparatus and method for filtration and disinfection of ship's ballast water, such as sea water, based on hydrodynamic cavitation. The apparatus comprises a...
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7578941 |
Length-based liquid-liquid extraction of carbon nanotubes using a phase transfer catalyst
The present invention is generally directed to new liquid-liquid extraction methods for the length-based separation of carbon nanotubes (CNTs) and other 1-dimensional nanostructures. In some...
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7572376 |
Process for producing 1,3-propanediol
Disclosed herein are processes for the recovery of 1,3-propanediol from an aqueous feed stream. The present invention involves contacting an aqueous feed stream that comprises water,...
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7566383 |
Heat recovery from a biomass heat source
A method and system for recovering heat from a pretreated hot biomass stream is described. The method and system for heat recovery includes a flash cooler connected to a direct contact condenser. A...
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7540884 |
Method for performing the purifying separation of crystals out their suspension in a mother liquor
A process for purifying removal of crystals from their suspension in mother liquor by means of a washing column having forced transport in which the process chamber is encased by a metal wall...
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7537700 |
Method for removing water contained in solid using liquid material
A method and a system for removing water from high water content solid such as high water content coal, which enables dewatering with small energy consumption. A liquefied material which is a gas...
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7534851 |
Method for purifying wastewater
The present invention provides a method for treating water containing phenolic material such as bisphenol A, phenol, para tertiary butyl phenol, and 1,1,1-tris(hydroxyphenyl)ethane, as well as...
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7534327 |
Device for recovering drinking water from condensate as well as a method and a deep-drawing die for production of said device
A device for recovering drinking water from condensate includes a self-supporting moulded part 11 formed of a transparent synthetic resin such as PET or PC, which is resistant to UV radiation....
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7521030 |
Materials treatment
A material contaminated with a solvent is treated with a hydrofluorocarbon to remove the contaminant. A preferred hydrofluorocarbon is tetrafluoroethane. Apparatus for carrying out the process is...
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7513972 |
Portable brine evaporator unit, process, and system
The present invention discloses a comprehensive, efficient, and cost effective portable evaporator unit, method, and system for the treatment of brine. The evaporator unit, method, and system...
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7501061 |
Production of water for injection using reverse osmosis
A method and system for providing Water for Injection using reverse osmosis. Water for Injection can be produced by reverse osmosis and the reverse osmosis membrane can be kept in a constantly...
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7485234 |
Hydrate-based desalination using compound permeable restraint panels and vaporization-based cooling
Desalination apparatus based on porous restraint panels fabricated from a number of different layers of metal, thermoplastic, or other substances are used as sophisticated heat exchangers to...
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7470370 |
Process for removal of impurities from mother liquor in the synthesis of carboxylic acid using pressure filtration
A process is disclosed that relates to the recovery of a metal catalyst from an oxidizer purge stream produced in the synthesis of carboxylic acid, typically terephthalic. More particularly, the...
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7465376 |
Method and device for treating liquids
The invention provides for the removal of impurities from treatment fluid including a base liquid and a variety of impurities contained in the base liquid by conveying the treatment fluid to at...
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7455783 |
Method for centrifugal separation enhancement
A method for removing low gravity solids from an oil-based drilling fluid includes directing the drilling fluid into a first inlet of a first line in fluid communication with a centrifuge,...
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7445722 |
Thermal water treatment method
The invention relates to a device for thermally purifying waste water, comprising a tank through which waste water can flow. The inventive device is characterized by having at least one flow...
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7419608 |
Treating method and equipment for coke-cooling wastewater
The present invention falls within the field of purifying oil-laden wastewater, which provides a method for purifying coke-cooling wastewater in a delayed coking process in petroleum chemical...
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7396473 |
Engine oil filter
An engine oil filter assembly and method for removing solid and liquid contaminants from engine oil. After solid contaminants are removed by passing the oil under engine pressure upwardly through a...
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7344650 |
Process for the working-up of waste waters containing aromatic nitro compounds
Alkaline waste waters formed in the washing of crude nitrobenzene which has been prepared by the adiabatic nitration of benzene with nitrating acid, washed in an acidic washing process, and then...
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7332085 |
Method for the purification of an α-hydroxy acid on an industrial scale
The present invention relates to a method for the purification of an α-hydroxy acid on an industrial scale, in which the method involves: (a) subjecting an aqueous stream containing mainly...
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7316781 |
Pseudo-distillation method for purifying a dry cleaning solvent
Pseudo-distillation, steady-state method for purifying dry cleaning solvents containing laundry soils and other contaminants.
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7311838 |
Method for the extraction and analysis of contents made from organic material
The present invention relates to a process for isolating constituents from organic material, comprising the following process steps:
a) freeze-drying of the organic material; b) extracting...
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7311837 |
Process for the continuous recovery of free tartaric acid from raw materials containing potassium hydrogentartrate
In a process for the continuous recovery of free tartaric acid from raw materials containing potassium hydrogentartrate, the same are mixed with water and the potassium hydrogentartrate is...
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7311799 |
Hydrofluoric acid wastewater treatment method and device
The invention provides a hydrofluoric acid wastewater treatment method that achieves efficient recovery of hydrofluoric acid from hydrofluoric acid wastewater and also achieves sufficient reduction...
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7306697 |
Used paper diaper processing method and used paper diaper processing device
The present invention provides a used paper diaper processing method comprising: a swell suppressing step for immersing a used paper diaper in a swell suppressant solution to suppress the swelling...
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7306057 |
Thermal drill cuttings treatment with weir system
A method for treating material, the material contaminated with contaminants, the method including: introducing material with contaminants to a system for remediation including a thermal treatment...
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7303770 |
Cancer chemoprotective food products
Vegetable sources of cancer chemoprotective agents have been identified which are extraordinarily rich in glucosinolates, metabolic precursors of isothiocyanates. The vegetable sources are used to...
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7291270 |
Process for removal of impurities from an oxidizer purge stream
A process is disclosed that relates to the removal of impurities and the recovery of a mother liquor and wash filtrate from an oxidizer purge stream produced in the synthesis of carboxylic acid,...
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7255798 |
Recycling of used perfluorosulfonic acid membranes
A method for recovering and recycling catalyst coated fuel cell membranes includes dissolving the used membranes in water and solvent, heating the dissolved membranes under pressure and separating...
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7232505 |
Method of regenerating an aqueous glycol solution containing salts
Method of regenerating a glycol solution containing water, hydrocarbons and salts. The glycol solution is expanded in drum ( 2 ), then distilled in column ( 7 ). The concentrated glycol collected...
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7223344 |
Method for treating an exhausted glycol-based slurry
A method of separating, recovering and reusing components of an exhausted slurry used in slicing silicon wafers from a silicon ingot. In the method, the solid particles and lubricating fluid of the...
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7211193 |
Processes for the purification of bis(2-hydroxyethyl)terephthalate
A method is disclosed for efficiently obtaining BHET of high purity from an EG (ethylene glycol) solution containing crude BHET (bis(2-hydroxyethyl)terephthalate), especially a decomposition...
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7195675 |
Chitosan-containing polysaccharide, method for preparing the same and use thereof
The present invention herein provides a chitosan-containing polysaccharide and a method for the preparation thereof as well as a medicine and a food containing the polysaccharide. The...
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7192524 |
Method for processing sugar cane filter cake mud and extracting component products
A process for the continuous treatment of sugar cane filter cane mud separates and extracts components including fiber which can be used as an animal feed or a source of energy generation, lignin,...
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7189328 |
Method for extraction of dissolved trace materials from solution
A method for separating dissolved materials, including organic and inorganic solids and volatile constituents, from a liquid or aqueous solvent is disclosed. The method first extracts water from...
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7179388 |
Method for removing formic acid from aqueous solutions
Formic acid is at least partly removed from an aqueous solution comprising formic acid, cyclohexanone and cyclohexanol by decomposition over certain decomposition catalysts. The method is...
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7163636 |
Multi-phase separation system
A multi-phase separation system utilized to remove contaminants from fluids includes a pre-filtering module for filtering a contaminated fluid to provide a filtered contaminated fluid. A condenser...
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7157003 |
Cyclic method for separating chemical elements present in an aqueous solution
The invention concerns a cyclic method for separating at least one chemical element E 1 from at least one chemical element E 2 from an aqueous solution containing said elements, which employs a...
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7153377 |
Method of separating admixed contaminants from superalloy metal powder
A method is provided for separating superalloy metal powder from contaminants, such as process-produced contaminants, by enhancing the magnetic properties thereof in a carburizing atmosphere...
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7132051 |
Liquid-liquid extraction of polar organic substances from their aqueous solutions with fluorinated extracting liquids
A liquid-liquid extraction process of ketones, alcohols, aldehydes, alkyl esters of carboxylic acids, carboxylic acids, ethers, amines and heterocyclic compounds, from their aqueous solutions,...
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7127913 |
Crystallisation of materials from aqueous solutions
The invention is directed to a process for recovering a crystalline material from an aqueous solution, which solution also contains organic contaminants, in which process the material is...
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7089681 |
Method and apparatus for filtering and drying a product
The present invention relates to a method and apparatus for filtering and drying a product. In a preferred embodiment, the apparatus comprises a container having a plurality of porous walls and a...
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7056400 |
Method of separating superalloy metal powder from admixed contaminants
A method is provided for separating superalloy metal powder from contaminants, such as process-produced contaminants, by enhancing the magnetic properties thereof, such as by oxidizing or leaching...
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7038008 |
Method for the processing of a liquid reaction discharge of the cationic polymerization of isobutene
A process for working up a liquid reaction discharge of the cationic polymerization of isobutene, which substantially comprises polyisobutene, unconverted isobutene and an inert diluent, in which...
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7014778 |
Device and method for treating waste product
A method and device are provided for treating a waste water waste-product mixture from a toilet by coupling the toilet to a waste product mixture to a waste product holding tank, connecting the...
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7008544 |
Hydrate-based desalination/purification using permeable support member
Processes and apparatus are disclosed for separating and purifying aqueous solutions such as seawater by causing a substantially impermeable mat of gas hydrate to form on a porous restraint. Once...
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