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7597810 |
Process for production of suspensions, solutions, or dispersions
The present invention provides a method for efficiently filtering slurry suspensions in a vessel including a nozzle flange near the vessel, when solids in the slurry suspensions being treated in...
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7582444 |
Use of flocculating agents for separating the solid residue in hydrolysed fermentation substrates
Process for improving the separation efficiency of residual solid matter from the liquid phase of an aqueous acid hydrolysate of a naturally occurring polysaccharide comprising dissolved sugars,...
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7569196 |
Device for carrying out liquid reactions with fine-grained solid catalysts and method for the use thereof
A reactor for carrying out catalyzed liquid reactions in which the catalyst is present as a dispersion in the reaction zone. The reactor includes at least one inlet and outlet, with all starting...
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7563302 |
Apparatus and method for manure reclamation
An improved system for processing a liquid manure and producing organic fertilizer includes equipment for separating various components of the liquid manure having different nitrogen to phosphorous...
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7527739 |
Apparatus, system, and method for multistage water separation
An apparatus, system, and method are disclosed for multistage water separation. A first separation layer separates water droplets from a fuel flow by repelling the first water droplets. A...
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7497953 |
Water treatment apparatus and method
An automatic, self-regulating method of water treatment for use in water circulating towers in which water is evaporated, and make up water is added, with components which synergistically function...
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7470369 |
Water treatment by dendrimer enhanced filtration
Described herein are compositions and methods useful for the purification of water using dendritic macromolecules. The process involves using dendritic macromolecules (dendrimers) to bind to...
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7459088 |
Water desalination process and apparatus
A process and system for purifying water is disclosed. For example, in one embodiment, the process may be used to remove a divalent salt, such as calcium sulfate, from a water source in order to...
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7455997 |
Production of fermentation product
A process of producing fermentation product comprising the steps of, (i) forming an acidified suspension of particulate plant derived material comprising a first polysaccharide which is more...
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7438817 |
System and method for treatment of acidic wastewater
A wastewater treatment system comprising separation unit operations inhibits or promotes the formation and precipitation of species by controlling the pH of wastewater to be treated entering into...
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7431846 |
Method for concentrating solids from drilling slurry
An apparatus to separate solids from drilling slurry, having an inlet positioned over an outlet of a concentration tank to displace water that would otherwise enter the down-stream centrifuges....
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7419596 |
Extraction and winterization of lipids from oilseed and microbial sources
A process for purifying a lipid composition having predominantly neutral lipid components having at least one long chain polyunsaturated fatty acid is disclosed. The process employs contacting the...
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7413657 |
Method for selective extraction
A process for the extraction of an unwanted material from a fluid containing the unwanted material comprising the steps of introducing an immiscible extraction fluid into the fluid having an...
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7374688 |
Spark-induced consolidation of sludge
Exposing sludge to underwater, high-intensity sparks, to increase cake solids, provide faster settling, and increase the rate of dewatering.
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7354733 |
Method for sorting and separating living cells
We disclose methods of sorting or separating mixtures of living cells (e.g., eukaryotic, prokaryotic, mammalian, pathogenic, bacterial, viral, etc.). We perform our methods by activating...
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7351385 |
System for enabling landfill disposal of kitchen waste oil/grease
An apparatus for conversion of kitchen waste grease to a landfill-acceptable solid includes a grease collection cartridge. A mixing baffle within the cartridge has a package with a reactant to...
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7338604 |
Process for recycling paint flush solution
A process for removing solids from a water-based flush solution, The process includes: providing dirty flush solution; directing the dirty flush solution to a treatment vessel; adding one or more...
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7329356 |
Flocculating agent for clarifying the water of man-made static water bodies
A method is described for clarifying man-made static water bodies in which polyaluminum silicate sulfate is added to the water of the water body. Superior flocculation is achieved through the use...
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7323342 |
Method for improving oil desalting by forming unstable water-in-oil emulsions
A method for determination for a given oil the relative stability of a water-in-oil emulsion that will be formed by that oil with water comprises measuring for the given oil the weight fraction of...
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7270796 |
Ammonium/ammonia removal from a stream
In one embodiment, an ammonium removal method can comprise: removing a multivalent cation from a stream comprising ammonium to form a treated stream; converting the ammonium in the stream to...
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7208555 |
Process for preparing polyvinylidene fluoride copolymer
The present invention provides a polyvinylidene fluoride copolymer capable of forming a uniform film, a solution of the copolymer and a thin film comprising the polyvinylidene fluoride copolymer....
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7179387 |
Treatment system and method for remediating a body of water
A method for remediating a body of water includes sequestering a sector of water within the body of water. A communications channel is established between the water sector and a supply site. The...
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7157010 |
Polymeric flocculant infused silt fence
A polymeric flocculant infused silt fence assembly comprising two opposing and attached geo-textile sheets, each adapted to filter entrained non-colloidal particles and together encasing a layer of...
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7148320 |
Polymer purification
Polymers derived from various monomers are purified by fractionalization of the crude polymers in a solvent/non solvent system via reverse precipitation.
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7081204 |
Remediation of barium, bicarbonate and alkalinity in ground water
A method for reducing the total concentration of barium in a source of ground water, such that the water can safely be returned to the watershed or used for drinking water, is described. The...
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6986845 |
Algal and nutrient control system and method for a body of water
A system to control nutrients, suspended algae, and filamentous algae in lakes, ponds, and estuaries includes a structure for containing macrophytic vegetation. One embodiment segregates a column...
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6974544 |
Membrane filtration
A method for membrane filtration of effluent water containing suspended matter reduces membrane clogging and improves filtration capacity of the membrane. The method includes adding a dose of a...
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6936176 |
Transportable water treatment system
A transportable water treatment system comprising: an inlet adapted to receive water having a pressure of between 10 to 60 psig, a primary regenerable filter connected so as to receive water that...
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6926832 |
Method of using water soluble polymers in a membrane biological reactor
A method of conditioning mixed liquor in a membrane biological reactor comprising adding to the mixed liquor an effective coagulating and flocculating amount of one or more water soluble cationic,...
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6923917 |
Phosporous removal from animal waste
The subject invention is related to a method for removing bio-available phosphorus from animal waste and soil using an industrial byproduct from a metal manufacturing process. The byproduct is used...
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6896809 |
Methods for purifying chitosan
One method for purifying a chitosan starting material includes contacting it with at least one treatment agent selected from a protein-complexing agent, a metal-chelating agent, and a...
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6890443 |
Spin filter system
A spin filter apparatus for cleaning an influent stream is provided and includes a housing having at least one inlet port for receiving the influent stream, at least one waste port for discharging...
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6881231 |
Reduction in mineral salt deposition
A composition for reducing deposition of a mineral salt from an aqueous supersaturated solution onto a solid surface in contact with the aqueous supersaturated solution which composition comprises...
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6858145 |
Method of removing organic impurities from water
In addition to health implications, trihalomethanes (THMs) poses a challenge to the electronic industry where such impurities cannot be tolerated. A process is provided for removing THMs from...
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6858093 |
Method for paint detackification using compositions containing chitosan
A composition and method for treating oversprayed paints in paint spray booths is provided. The composition includes an aqueous solution of a compound such as chitosan, and a complex metal salt,...
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6855256 |
Hybrid chemical and biological process for decontaminating sludge from municipal sewage
The invention relates to a hybrid biological and chemical method for decontaminating sludge containing heavy metals and pathogenic microorganisms, consisting of the following steps: the sludge is...
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6808633 |
Centrifugal separator and sample preparation device using the separator
A centrifugal separator of the invention has a centrifugal rotor ( 10 - 1 ), with symmetric rotation axes, having single sample separation chamber in it for centrifuging samples contained in sample...
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6797178 |
Method for removing mercury and mercuric compounds from dental effluents
The present invention is directed to processes for removing a contaminant from dental effluents and includes transporting a three-phase effluent through a suction line into a particle collection...
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6797181 |
Process for mixing treatment additives to contaminated liquids
To optimally mix treatment additives to a contaminated liquid, treatment additives are selected. A mixing energy requirement of the contaminated liquid and treatment additives is then determined by...
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6740752 |
Process for preparing chitosan particles
Disclosed is a process for producing particles of the modified carbohydrate polymer chitosan. Such chitosan particles are “activated” as a consequence of the specific steps used in the process....
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6719910 |
Stormwater treatment system
A stormwater treatment system which comprises a housing having a first filter layer and a second filter layer positioned within the housing. The first filter layer absorbs contaminants from...
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6709599 |
Waste water treatment system with slip stream
A method and apparatus for processing waste streams wherein a slipstream is formed on the upstream side of an ultrafiltration membrane ( 120 ) to carry collected and concentrated filter reject to a...
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6706193 |
Method for recovering fluorinated emulsifiers from aqueous phases
Fluorinated emulsifiers can be recovered from an aqueous phase containing small amounts of fluoropolymer particles by treating the aqueous phase with a small amount of a nonionic surface-active...
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6692641 |
Algal and nutrient control method for a body of water
A system to control nutrients, suspended algae, and filamentous algae in lakes, ponds, and estuaries includes a structure for containing macrophytic vegetation. One embodiment segregates a column...
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6652756 |
Method of purifying sewage
A method of purifying sewage is described. The method relates to purifying sewage in sewage systems which comprise a toilet, by adding a precipitant for precipitation of phosphates and for binding...
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6582594 |
Preparation of novel gels for the purification of non-polar extractives
A process is described for the preparation f electrostatically-linked, aliphatic- or alicyclic-substituted anionic or cationic polysaccharide gels from readily available macroporous ionic...
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6485656 |
Agents for unsticking paint, and sedimentation agents
Paint detackifiers and/or sedimentation agents are provided which contain amorphous alumina and/or alumina in pseudoboehmite or boehmite form having an average crystallite size of from 0.1 to 15 nm...
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6485651 |
Quick inverting liquid flocculant
This invention is directed to methods for quickly inverting and dispersing a flocculant in an aqueous slurry to achieve settlement of solids and clarification of the slurry water. In particular,...
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6471873 |
Electrolytic process and apparatus for purifying contaminated aqueous solutions and method for using same to remediate soil
An electrolytic process and apparatus purifies contaminated bulk aqueous solutions and remediates soil. The apparatus is an electrolytic treatment or remediation unit consisting of one or more...
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6468994 |
Budesonide particles and pharmaceutical compositions containing them
The invention provides finely divided, substantially crystalline particles of budesonide characterized in that they are substantially smooth and having a BET value of from 1 to 4.5 m2/g, a process...
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