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8440074 |
Wastewater treatment system including irradiation of primary solids
The present invention provides a system and method for treating wastewater in which the majority of solids and biological oxygen demand compounds are separated from the wastewater feed using a...
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8398850 |
Water treatment feeder device and a water treatment feeder system
A package of water treatment pellets includes a first container and a second container. The first container is fabricated from a water-dissolvable sheet material and the first container is filled...
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8329031 |
Water treatment apparatus
A water treatment apparatus includes a first treatment tank forming thereon a first, fixed bed includes a powdery phosphorus adsorbent includes an inorganic layered compound, wherein the first bed...
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8329035 |
Suspended media granular activated carbon membrane biological reactor system and process
A system and process for treating an industrial wastewater stream is provided using a membrane biological reactor in which granular activated carbon material is introduced into an aeration portion...
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8240482 |
Tangential filtration device
The present invention relates to a device for tangential filtration of a fluid to be treated and to be separated into a filtrate and a retentate, comprising at least one filtration element which...
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8152998 |
Screenless granular media filters and methods of use
A liquid filtering apparatus is placed in a vessel having a bed of filtration material, the bed comprising at least two different sizes of filter media wherein the filtration material is stratified...
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8119005 |
Method and apparatus for partial desalination of a concentrated salt solution
A desalination system and method are based on the biological mechanism occurring in the mammalian kidney which utilizes colloid osmotic pressure and hydrostatic pressure to recover diluted salt...
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8114289 |
Method and apparatus for microfiltration to perform cell separation
A microfiltration apparatus and method for separating cells, such as circulating tumor cells, from a sample using a microfiltration device having a top porous membrane and a bottom porous membrane....
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8088283 |
Continuous batch reactor, system, and process for treatment of metal-contaminated fluids
A fluid treatment device, system, and process are described that provide a filtered, metal-depleted (treated) fluid. The system includes two pairs of tanks that are piped and valved to allow one...
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7972509 |
Washbox
Exemplary systems and methods relating to washboxes are described.
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7909992 |
Separation apparatus
A separation apparatus comprising, a series of compartments for holding particulate separation material, arranged so as to allow fluid to flow through the compartments in a primary direction from a...
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7897040 |
Washbox
Exemplary systems and methods relating to washboxes are described.
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7875181 |
Water treatment process
A water treatment process comprising: (a) providing bioactive material in waste water, the bioactive material containing microorganisms capable of removing one or more impurities from the waste...
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7862715 |
Apparatus for removing undesirable components from a contaminated solution containing both desirable and undesirable components
A method and apparatus for separating purifying media from a treated fluid. The method includes transporting the purifying media and the treated fluid along a substantially horizontal direction...
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7807057 |
Dynamic up-flow zeolite system and method
Systems and methods are provided for the removal of a contaminate from an aqueous medium using a zeolite-based sorption column. The systems and methods include an optimized relationship between the...
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7790024 |
Apparatus for the electrochemical regeneration of absorbents
Apparatus for treating liquid by contact with a particulate adsorbent material comprises a regeneration chamber (10) within a reservoir (2) for liquid to be treated. Adsorbent material is recycled...
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7678268 |
Wastewater treatment system
The invention is directed to a method and apparatus for treating wastewater. The wastewater treatment system includes a bioreactor including activated carbon and a first biological population. The...
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7563366 |
System for removing BOD and suspended solids through an activated sludge process and a ballasted flocculation process
A method and system for treating water or wastewater to remove both soluble BOD and suspended solids. The method entails directing first and second water or wastewater streams to a treatment system...
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7485118 |
Microstructured arrangement for the bubble-free filling with a liquid of at least one system for draining off liquids, apparatus having such an arrangement and filing method
The present invention relates to a microstructure arrangement for the bubble-free filling with a liquid of at least one system for draining off liquids. The arrangement has an inlet for the...
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7470372 |
Fluid treatment device
A device for the treatment of an influent with a porous media. The influent passes radially through the porous media and into an internal volume of the device. The treated influent then passes...
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7459076 |
Flow-through aerobic granulator
A continuous flow reactor or method promotes aerobic granule formation. The reactor may comprise three or four zones that may comprise one or more of an aerobic zone, an alternately aerobic and...
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7435864 |
Method and device for the production of alkylates
Disclosed is a device for the production of alkylate(s) by sulfuric acid alkylation of at least one isoparaffin such as isobutane with at least one olefin, such as butylenes. The device includes a...
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7326347 |
Dynamic up-flow zeolite system and method
Systems and methods are provided for the removal of a contaminate from an aqueous medium using a zeolite-based sorption column. The systems and methods include an optimized relationship between the...
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7273555 |
Process for continuous ion exchange
A process for continuous countercurrent ion exchange comprises piping a contaminated feed stream into a closed loop ion exchange contactor. The contactor is an ion exchange bed that has three or...
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7264715 |
Apparatus for treating organic wastewater and sludge
A process and an apparatus for efficiently recovering magnesium ammonium phosphate (MAP) crystals of high purity and good quality in the technique of removing phosphorus and the like as MAP...
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7261811 |
Liquid-solid circulating fluidized bed waste water treatment system for simultaneous carbon, nitrogen and phosphorus removal
Biological nutrient removal (BNR) in municipal wastewater treatment to remove carbonaceous substrates, nutrients and phosphorus, has recently become increasingly popular worldwide due to...
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7175766 |
Apparatus and method for performing tertiary treatment of sewage based on porous filtering media
Provided is an apparatus and method for performing tertiary treatment of sewage based on porous filtering media. The apparatus for performing tertiary treatment of sewage based on porous filtering...
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7163621 |
Fluidizable device
A device for the treatment of an influent with a nonbonded media, and when the media becomes spent, the media is fluidized with a backwash fluid. Concentric inner and outer perforated cylinders...
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7094325 |
EDI and related stacks and method and apparatus for preparing such
Apparatus and method are disclosed for introducing ion exchange or other particulates into compartments of an already-assembled electrodeionization or comparable stack by modulating a flow of...
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7045057 |
Preparation of homogeneously loaded ion exchangers
A process for preparing an ion-exchangeable media within a moving-bed or simulated moving-bed device, which can create a true or simulated media flow, comprising the steps of packing the bed with...
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7033493 |
Method and apparatus using super absorbent polymers for dehydration of oil
Water is separated from an emulsion of water and oil by passing the emulsion through a bed of superabsorbent polymer granules which break the emulsion and absorb water from the mixture of water and...
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7024814 |
Fish or fish bait life preservation apparatus and method
A novel system, apparatus and method of operation for use in watercraft, terrestrially bound motor vehicles and fixed based land applications where water from a live well or bait tank is withdrawn,...
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6962019 |
Enhanced filtration and water conditioning system for a bait tank
An enhanced filtration and water conditioning system for a novel bait tank suitable for use in recreational boats, dockside and land based personal and commercial applications wherein water from...
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6866788 |
Method and device for purifying aqueous effluents by catalytic oxidation
The invention concerns a method for purifying aqueous effluents, in particular polluted water, by catalytic oxidation using a three-phase reactor comprising two communicating chambers. The...
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6790351 |
Vertical filter
A liquid filtering apparatus is placed in a vessel having a bed of filtration material and an intake for introducing unfiltered liquid, that includes a washbox, an airlifting tube extending from...
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6716344 |
Liquid-solids circulating fluidized bed
A continuous Liquid-Solids Circulating Fluidized Bed (LSCFB) preferably for use as an ion exchanger consists of two fluidized bed columns, a fluidized bed adsorber (downer) operating in...
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6712962 |
Ion chromatography system for exchanging an ion exchanger in a suppressor and a suppressor means
An ion chromatography system having a suppressor means which is provided with a main body for accommodating an ion exchanger ready for measuring; a chamber for accommodating a virgin ion exchanger,...
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6527960 |
Jet pump treatment of heavy oil production sand
A process for separating oily films from sand particles carried in a solvent free water stream includes the use of a jet pump scrubber in a density classification tank to treat such oily coated...
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6517708 |
Apparatus for separating oxides of heavy isotopes of hydrogen from water
A process and apparatus for treating the heavy hydrogen isotope content of the contaminated water by contacting the contaminated water with a molecular separation material including a support...
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6517712 |
Descending bed filter
An improved vertical filtration unit which includes an airlift and a washbox designed for more efficient washing of dirt particles from the filtration material. The washbox consists of a filter...
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6471857 |
Filter apparatus with sand filter bed
A filter apparatus removes foreign substances contained in raw water by passing the raw water through a filter layer (8) made up of a particulate filter medium disposed in a filter tank (1). The...
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6383376 |
Method and apparatus for filtering a liquid
A filter comprises a main tank and at least two separate beds of particulate filter media contained in respective conical recipients integrated within the main tank so as to minimize the overall...
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6322704 |
Radial-flow fluidizable filter
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6296761 |
Water treatment process
An improved water softening process is provided which also reduces anion content. A first stream of water is passed through an anion-exchange unit to remove undesirable anions and raise the pH. The...
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6228257 |
Apparatus for contacting fluids and solids
Methods and apparatus for contacting solids and fluids are provided, where the fluids are allowed to traverse a downward path through a plurality of vertically arranged chambers in which said...
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6143186 |
Device for continuous filtration of liquids
A continuous filter device for liquids has a filter chamber that receives a granular bulk material forming a filter bed. The filter chamber has rectangular inner-walls with a liquid-permeable inlet...
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6077426 |
Filter filled with loose bulk material
A filter with a horizontally fed filter chamber having loose bulk material as the filter medium has a wall on the upstream side and downstream side to hold back the loose bulk material in the...
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5833867 |
System and method for backwashing multiple filtration vessels
A filter media washing system for washing contaminants from filter media of a plurality of filtration vessels. Each filtration vessel has a filtration screen subdividing the filtration vessel into...
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5788842 |
Biomass separation apparatus and method
A separator for use with a fluidized-bed bioreactor. A lift draws a slurry of liquid, media and biomass from the fluidized bed. A biomass discharge is connected to the lift and located above the...
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5772891 |
Water treating method for treating waste water by using ion exchange resin
A water treating apparatus is provided which can treat waste water for use as raw water in an ultrapure water producing system without addition of various kinds of chemicals. The apparatus includes...
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