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4834878 Apparatus for separating liquid from sludge  
A system of continuously and efficiently separating liquid from sludge is disclosed which includes two parts, the mixer conditioner and the rotary drain. The two parts are virtually always used...
4824572 Method and apparatus for treating household waste water  
A waste water treatment facility includes a gravity flow treatment bed which receives waste effluent from a plurality of individual septic tanks. The treatment bed includes a bottom layer of small...
4814074 Water neutralizer  
An improved water neutralization apparatus is disclosed comprising an elongated vertical cylindrical tank having an upper inlet and lower outlet openings. Water distributors are assembled to the...
4808287 Water purification process  
Potable water from a municipal water supply is treated to remove suspended solids, organic and inorganic dissolved solids, dissolved carbon dioxide gas and metal contaminants so as to produce...
4808303 Produce hydration system  
The present invention represents an automatic produce hydration system of improved efficiency and design. The system is self-contained, and adaptable for use in both pre-existing and new produce...
4804474 Energy efficient dialysis system  
An energy efficient dialysis system which requires a minimal amount of energy to operate and maintains critical operating temperatures for effective reverse osmosis and dialysis. The system...
4800016 Extracorporeal blood de-heparinization system  
Heparin in an extracorporeal blood flow circuit is removed from the blood flow with the use of a filter which contains immobilized protamine on a blood-compatible support. In medical procedures...
4784772 Method for the production and use of ultrapure water and apparatus therefor  
Ultrapure water are produced and used by subjecting deionized water, which has been obtained from a deionization step making use of an ion-exchange resin, successively to a sterilization...
4775476 Method for membrane assisted liquid chromatography  
Apparatus and method for extracting a component from a sample across a membrane into an extractant and then injecting the extracted sample component into a chromatographic eluent and onto a...
4775480 Membrane processes for treatment of and recovery of components from kraft black liquors  
A process for the treatment of an aqueous stream containing an acid or base and typically a precipitatable material such as a metal ion comprises: (a) subjecting the aqueous stream to (i) a...
4773992 Centrifuge system for removing impurities from metal working coolant  
A centrifuge system for removing impurities from metal working coolant. The centrifuge of the system includes a liquid inlet, a first liquid outlet for high density liquid, a second liquid outlet...
4772402 Coolant processing system  
A system for processing and reclaiming machine tool coolant wherein filtering apparatus mounted upon a portable frame is transported to the machine tool and includes pumps for cycling coolant from...
4770774 Column for removing β2 -microglobulin  
A column comprising an insoluble carrier and an anti-β2 -microglobulin antibody immobilized to the carrier can specifically adsorb and remove β2 -microglobulin in the blood. This column is useful...
4759844 Portable water purification system  
An apparatus for purifying drinking water by a combination of reverses osmosis, deionization by ion exchange resins, resin and final passage through activated carbon. The components for reverse...
4759849 Process and a device for the treatment, by means of ozone, of feed water for reverse osmosis  
The feed water for a reverse osmosis device (7) is treated, by means of ozone, by being passed through a mixing vessel (4), in which the charging with ozone is carried out, a direct contact time...
4757921 Water dispensers and methods  
Water dispensing apparatus which is intended to dispense sterilized chilled water comprising a sterilization unit having an inlet for connection to mains water supply and having its outlet...
4747952 Method and apparatus for plasma treatment  
Separation apparatus capable of separating plasma into high molecular weight substances and low molecular weight substances containing albumin, regardless of whether plasma is obtained by...
4728428 Water degreasing system and method  
A water degreaser system which recycles and reclaims absorbing fluid. Freon absorbing fluid is used in a wet spiral absorber-contactor to absorb oil contaminants in produced-water. A downflow...
4714767 Process for the separation of a basic amino acid from a fermentation broth using cation exchange resins  
A process for separating basic amino acids from a liquid containing the same using cation exchange resin towers in series, which comprises effecting repetitive adsorption and elution steps in...
4714558 Wastewater treatment system  
A method and apparatus for treating wastewater from a cleaning tank or the like is provided. A settling tank provides for separating the fluid and sludge, the sludge being passed to a filtration...
4713175 Water purifier comprising stages mounted side-by-side to unitary header  
A water purification system having a first pressure vessel containing a reverse-osmosis filter and a second separate pressure vessel containing an activated carbon prefilter operatively connected...
4702841 Method of and arrangement for extracorporal removal of toxins from blood  
An extracorporal removal from blood of toxins connected with albumen includes separating a blood plasma from cellular components, mixing a solution of low-molecular split reagents with the...
4702829 Hemodiafiltration apparatus  
Hemodiafiltration apparatus (10) comprising a closed dialysis solution cycle which has a balancing system (28), wherein into the closed cycle a first sterile filter (44) is connected from which a...
4698152 Oil recovery systems  
An oil recovery system comprises a first separator preferably in the form of a three-stage "knock-out" tank (54) connected to receive crude oil from an oil-well (50). Water contaminated with oil...
4681677 Water processor having automatic shutoff and bypass means  
A water treatment or processor device for household use or commercial use (for example, in a restaurant) is provided with fail-safe features in accordance with this invention to shut the treatment...
4663034 Hydraulic filter system for excavation equipment  
A magnetic filter module and system embodying the same for removing magnetic materials from lubricating oils used in hydraulic systems such as supplying oil to hydraulic excavators. The filter...
4663048 Method for the separation of a basic amino acid from its fermentation broth  
A method for separating a basic amino acid from its fermentation broth, or the liquid resulting from the intermediate treatment of the fermentation broth, containing high-molecular weight...
4655928 Membrane processes for metal recovery and pollution control in metal process industries  
A process for the treatment of an aqueous stream containing an acid or base and typically a precipitatable material such as a metal ion comprises: (a) subjecting the aqueous stream to (i) a...
4655916 Mobile sludge handling apparatus  
There is disclosed a mobile sludge handling apparatus which comprises first, second and third vehicles (2, 3, 4) which are coupled together to form a composite mobile unit. The first vehicle (2)...
4642186 Clarifying apparatus  
A nitric acid solution of spent fuel is primarily clarified by a centrifugal clarifier so as to separate insoluble fission particles each having a size of 1.04 μm or more from the solution. The...
4623467 Water purifying and vending apparatus  
A water purification system for purifying water from a conventional supply of tap water and dispensing a predetermined quantity of processed water into a user-supplied container in response to the...
4619639 Method and apparatus for low pressure filtration of plasma from blood  
A method and apparatus for carrying out separation of plasma from whole blood, in which whole blood is passed through a filtration membrane means of a material suitable for separating plasma from...
4619770 Method and apparatus for recovering a fluid from a filter  
A method and apparatus for recovering a product fluid from a filter, wherein a wash fluid is passed through the filter so as to yield a mixture of product fluid and wash fluid. The mixture is then...
4610790 Process and system for producing sterile water and sterile aqueous solutions  
Water substantially free of pyrogens and microorganisms that meets the requirements of United States Pharmacopoeia Standard USP XX Water for Injection is produced by processing drinking quality...
4609461 Apparatus for purifying blood  
An apparatus for purifying blood which is able to separate blood into plasma and blood rich in blood cells, to purify the separated plasma and to mix the purified plasma into the blood stream...
4599178 Recovery of glycerine from saline waters  
A process for recovery of glycerine from saline waters-containing glycerine comprises evaporating the water to precipitate a major amount of any salts present, separating the liquid phase and...
4592768 Apparatus and process for desalination combining freeze concentration, centrifugation, and reverse osmosis  
Apparatus comprising a freeze exchanger in which an aqueous mixture is indirectly cooled by a cooling fluid to produce an aqueous mixture containing ice; a centrifuge; a conduit for feeding an ice...
4581133 Solvent reclamation apparatus  
An apparatus (10) for use with a dry cleaning system having a filter for filtering the dirty solvent comprises a first pressure vessel (28) for vaporizing the filtered solvent and a second...
4574049 Reverse osmosis system  
A chemically enhanced reverse osmosis water purification system and process is provided in which the inlet of a second reverse osmosis unit is coupled in series to the product water outlet of a...
4563272 Demineralizer  
A demineralizer for treatment of raw water through at least one pure water production unit. The demineralizer comprises a purity measuring meter for measuring a purity of water in downstream of...
4563273 Process and apparatus for separating fines from micella streams  
There is disclosed a screening assembly for separating fines from a miscella stream including same and comprised of a screening element angularly disposed in a housing assembly beneath an inlet...
4550738 Sanitary ashtray system  
An ashtray system for bars, restaurants, and the like having a plurality of ash receivers. Each receiver is supplied with swirling water from a central reservoir and a drain connected via a filter...
4539097 Method for filtering solvent and tar sand mixtures  
A method for filtering spent tar sands from a bitumen and organic solvent solution comprises separating the solution into two streams wherein the bulk of the coarser spent tar sand is in a first...
4534869 Portable water filtration system for oil well fractionation  
The invention comprises a portable, multi-stage filtration system utilized in filtering water for an oil and gas stimulation process commonly known as fracking. Three stages are used, the first...
4519906 Apparatus for the separation of magnetic and nonmagnetic solid particles from a liquid  
Apparatus suitable for the removal of solids from printing ink, among other liquids. Adopted to this end are a magnet assembly and a filter assembly. Comprising a row of permanent magnets enclosed...
4518497 Blood treating system  
A blood-treating system in which apparatus for the purification of blood by purifying the blood plasma. The system includes as principal elements, an apparatus for separating blood plasma by way...
4498990 Filtering device  
A filtering device is disclosed which includes a pressure sensitive control valve to allow for overflow. The filtering device is particularly suitable for use in the medical treatment of blood,...
4495067 Apparatus for preparation of infusion grade water  
An apparatus is disclosed for the preparation of infusion grade water for use in the preparation of parenteral solutions. The apparatus is comprised of a two component system including a chemical...
4483774 Oil concentrating method and apparatus  
A tangentially disposed inlet (22) discharges lighter and heavier fluids into a basin (A) causing the fluid mass in the basin to rotate at a rate proportional to the flow. A heavier fluid drain...
4468329 Hemofiltration system and safety system therefor  
Apparatus for hemofiltration is disclosed, including a reverse osmosis module for purifying an impure supply of water, a container for adding concentrate thereto and preparing a replacement...