Matches 1 - 50 out of 175 1 2 3 4 >


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9108161 Water purifier  
The present invention provides a water purifier which is easily removable from a drinking water supply apparatus, and has a built-in filtration filter with high efficiency of purifying raw water...
8986544 Vented filter cartridge for water treatment device  
A filter cartridge has a shell defining an upper portion with an upper interior volume and a lower portion with a lower interior volume. The cartridge is for use in gravity-fed water treatment...
8877050 Process for the treatment of liquid effluents laden with hydrocarbons  
The present invention relates to a process for the treatment of liquid effluents laden with hydrocarbons, which comprises: feeding the effluents into a treatment tank; supplying the treatment tank...
8864987 Mechanically agitated, inner circulation reactor for resin ion exchange and adsorption  
Disclosed is an internal circulation resin ion exchange adsorption reactor with a mechanical stirrer. The upper part ⅔˜⅘ of the reactor main body is an open cylinder and the lower part ⅕˜⅓ is a...
8778175 Water filter system  
A slow/intermittent sand filter that purifies polluted water by flowing through sand in a manner that achieves greater purity and permits simpler and more effective maintenance than existing filters.
8758608 Continuously flowing, inner circulatory, quasi-fluidized-bed reactor for resin ion exchange and adsorption  
A continuously flowing, inner circulatory, quasi-fluidized-bed reactor for resin ion exchange and adsorption. The reactor comprises a main body casing, an inclined pipe separator, an outlet weir,...
8623206 Gravitational filter and liquid purification device  
A system, that may be portable, for purifying liquid flowing gravitationally from a source/reservoir into a purified liquid receptacle is described. The system includes a housing with a generally...
8603415 Microchip  
A microchip including a separation portion for separating a first component and a second component from a sample containing the first component and the second component, respectively, a first...
8491854 Systems and methods for cerebrospinal fluid collection  
A test tube insert includes a flange having a width greater than a width of a mouth of a larger test tube into which the insert is to be inserted. The flange defines a first central opening. An...
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...
8361325 Method and system for removal of inorganic anionic pollutants from contaminated water  
There is provided a method or a system for obtaining an aqueous solution substantially free of inorganic anionic pollutants selected from perchlorate, cyanide or chromate present therein,...
8252180 Tank  
A tank for water-carrying appliances is proposed, in particular domestic appliances or appliances for the treatment of foods and/or beverages, such as beverage vending machines, in particular...
8202418 Tank  
A tank filter combination is provided for appliances which use water, in particular domestic appliances or appliances for preparation of foodstuffs and/or drinks, such as automatic drinks...
8202419 Tank  
A tank is proposed for appliances which use water, in particular domestic appliances or appliances for preparation of foodstuffs and/or drinks, such as automatic drinks machines, in particular...
8123941 Sand filter and method of constructing same  
A sand filter apparatus (10) for treating water includes a filter retention vessel (16) having an outlet (18) from which filtrate can be supplied. An inlet arrangement (48) is in fluid...
8101072 Phosphorous removal system  
A phosphorus removal system is operable to remove phosphorus from an influent. The system includes a first section receiving the influent and discharging a first flow. A first coagulant inlet is...
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...
8002993 Bring your own water treatment system  
A method and apparatus for filtering a fluid is presented. In one embodiment, the apparatus converts contaminated water into water having a lower turbidity and bacterial contamination level than...
7943051 Portable settling and dewatering tank  
A settling tank for dewatering a thin slurry is provided in a lined portable container and with a disposable filtering means. A novel method of processing the slurry by settlement of the solid...
7927485 System for filtering water or wastewater  
A filter system for filtering water and/or wastewater including a sludge blanket clarifier for removing at least some impurities from influent. The sludge blanket clarifier includes a clarifier...
7846328 Treatment system for enhanced water and wastewater nutrient removal  
Disclosed is a wastewater treatment apparatus utilizing time tested techniques for recirculating media treatment with proprietary advancements to produce a system capable of nitrifying and...
7837870 Ion-removing apparatus  
An ion-removing apparatus includes a housing, a first ion-removing unit and a second ion-removing unit. The housing includes an inlet port, a liquid discharge port and a gas discharge port. The...
7833413 Underground filtration system  
A modularized underground liquid run-off filtration system, where a plurality of matingly engaged panels define a storage chamber, a filter chamber and a clear well chamber. The filter chamber...
7785474 Method for contacting liquid with ion exchange resin  
The invention provides a method for contacting liquid with an ion exchange resin comprising introducing liquid into a process tank containing ion exchange resin at an inlet (2) and removing liquid...
7767079 Amalgam separator  
An amalgam separator for purifying a waste stream that contains a mixture of air and waste liquid. The amalgam separator contains filter media that comprises a sulfur-impregnated carrier and an...
7686961 Apparatus for removing dissolved and suspended contaminants from waste water  
The present invention provides a method and apparatus for the treatment of waste water, particularly for the treatment and/or reduction of floating pollutants in storm water waste streams. The...
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...
7479220 Plant for the removal of metals by biosorption from mining or industrial effluents  
A method and a plant to remove metals by biosorption from mining or industrial effluents comprising: (a) subject the effluent to at least one first stage of pre-treatment, selecting among:...
7468129 Oil-water separator  
An oil-water separator for use in a trench, which surrounds an oilfield. The separator is positioned in the ground such that an inlet conduit extends at about the same level as the bottom of the...
7449117 Filtration unit, installation method for a filtration unit and filtration apparatus  
A filtration unit that includes a casing that has a closed bottom and is immersed in a water storage tank (or water storage pond) into which raw water is introduced, the casing being composed of a...
7371323 System and method for reducing wastewater contaminants  
A wastewater treatment system. Toilet, kitchen, commercial, and industrial process waste is segregated from the total wastewater stream and treated in order to reduce the total nitrogen,...
7311829 Water conversion device  
A water treatment device and method for treating a quantity of water is powered by gravitational flow. The device includes an upper collecting chamber (14) and a filtration chamber (18). The...
7291265 Passive treatment of wastewater and contaminated groundwater  
A bioremediation system using inorganic oxide-reducing microbial consortia for the treatment of, inter alia coal mine and coal yard runoff uses a containment vessel for contaminated water and a...
7291262 Road surface waste water treatment device and tubular water treatment unit  
The invention provides a runoff water purification system for removing pollutants which accumulate on road surfaces, thereby reducing the workload of the sewage water treatment plants and...
7166214 Dental amalgam separator  
An apparatus for the removal of mercury and other harmful substances from effluents produced in dentist offices is described. The apparatus involves a series of inclined plates upon which mercury...
7157001 Carbon filtration process and apparatus for removing PCB's and other compounds from wastewater  
Process and apparatus for treating wastewater from a sewer system including the steps of: (A) removing solids contained in the influent to create solids-depleted preliminary effluent (PrE) and to...
7105086 Storm drain capture and containment device  
A storm drain system (10) contained in the ground (36) contains a standpipe (12) having a bottom section (18) having perforations (20) where a porous pavement (22) surrounds the top portion of the...
7065863 Liquid splash preventing mechanism and component mounting apparatus  
The present invention has for its object to provide a mechanism for preventing a liquid from splashing from a liquid tank, and a component mounting apparatus with this liquid splashing prevention...
6998038 Stormwater treatment system  
A system for removing material from a flowing liquid, where the system includes one or more cartridges, where each cartridge has an outer permeable wall and an inner permeable wall that form a...
6991734 Solids retention in stormwater system  
Apparatus for receiving and dispersing stormwater beneath the earth surface is comprised of an array of chambers, preferably having arch shape cross section, buried in crushed stone. Surface...
6966987 Tangentially fed media filter method and apparatus  
A water treatment device for purifying process water by filtration comprising a housing containing a filter media, having a bottom gravel bed and an upper silica bed, and a fluidizer for...
6821445 Rainwater-treating apparatus in combined sewer system and backwashing method therefor  
The present invention is aimed at treating rainwater in a combined sewer system, while enabling removal of a majority of pollution substances even if a large amount of entering rainwater. The...
6783683 Stormwater pollutant separation system and method of stormwater management  
A stormwater pollutant separator system is provided with the system having a stormwater pollutant separator, a by-pass system, an intake conduit and an outflow conduit connected together. The...
6709585 Purification system for wastewater coming from fruit and vegetable processing plants and phytosanitary treatments in the field  
Said equipment include a tank-filter (1, 15) in which a pretreatment stage is carried out. The tank (1) is a decanter to which a flocculant that is uniformly mixed with an agitator (3) can be...
6524473 Gravitational separator and drainwater treatment system for use in a horizontal passageway  
A hydrodynamic gravitational separator and an attending drainwater filtration section positionable within a horizontal flow passage of a drainage system utilizes a circular-walled collection...
6495033 Device for separating two non-mixable liquids with different specific gravities  
Device for separating two non-mixable liquids with different specific gravities such as oil and water, which device contains a first separation tank (2) with an overflow (11, 12) for each of the...
6461502 Apparatus for recovering a specific ingredient in sea water  
An apparatus for recovering a specific ingredient in sea water, which comprises an adsorbing bed tank, a layer of an adsorbent charged on the bottom portion of the adsorbing bed tank, a sea water...
6451173 Separator system  
An improved apparatus useful in a process for separating a liquid stream (which can be an HF catalyst mixture) having a first liquid component (which can be HF), a second liquid component (which...
6432312 Closed system for rearing aquatic life  
The present invention provides improvements for indoor closed systems used to raise aquatic life, along with methods to overcome the current problems associated with such indoor closed systems....
6428698 Coagulation precipitator  
A coagulator for receiving water bearing suspended solids and a coagulant and for coagulating the suspended solids includes a coagulation and sedimentation part and an upstream coagulation part....

Matches 1 - 50 out of 175 1 2 3 4 >