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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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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:...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 cavity...
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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...
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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...
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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...
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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. The...
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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....
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6428697 |
System for processing waste water
Methods comprise processing wastewater to produce useful products. Preferably wastewater is ash leachate from landfills which is processed using magnetohydrodynamic treatment followed by...
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6358407 |
High turbidity wastewater purification system
A device and method for the filtration and purification of suspended solids from high turbidity wastewater or other fluids using a slow circulating fluid stream flow inside a vessel of fluid...
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6337016 |
Apparatus for removing noxious contaminants from drainage water
The invention relates to an improvement in known apparatus for removing or separating certain contaminants and debris from drainage water. The known device has a tank defining a chamber with an...
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6319396 |
Clarifier cone for filtering and separating solids from solution
A separator vessel and a biological reactor vessel are connected in tandem to remove separable wastes from waste water and to deactivate toxins, respectively. In a first embodiment, waste water is...
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6299771 |
Composite adsorbent element
A composite adsorbent element comprising a packed mixture of granules and fibers, which are desirably granular activated carbon (GAC) and activated carbon fiber (ACF). The element is employed as a...
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6290842 |
Coagulator
A front packing medium accumulation layer (90) and a downstream packing medium accumulation layer (44) which are separated by a lower outflow prevention plate (40) are arranged within a coagulation...
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6217757 |
Storm drain filter with vertical screens
The present storm drain filter comprises a tubular housing with a solid vertical surrounding wall and sized for being recessed inside a storm drain. The housing is supported in the drain by a...
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6217760 |
Waste water treatment system
The waste water treatment system comprises a waste water treatment facility having an inlet for the entry of waste water and an outlet, and a re-circulation tank including an inlet and an outlet....
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6177004 |
Septic system filter apparatus
A septic system filter apparatus for filtering waste water as it travels from a septic tank to a septic field. The septic system filter apparatus includes a filtering system for filtering water...
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6132620 |
Method and apparatus for separating oil and water
Oil is separated from an aqueous mixture by first feeding the oil-water mixture into a separation tank and allowing the mixture to separate by gravity so that the oil rises to the surface, forming...
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6083402 |
Stormwater drain filter
A Stormwater Drain Filter for removing sediment and liquid hydrocarbons comprised of a tank having a central outlet which flows into a sewer inlet and is surrounded by a floating boom which is...
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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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6024870 |
Sewage filtration system
A sewage filtration system for efficiently filtering sewage waste material from smaller residential areas without the use of expensive sewage treatment plants. The inventive device includes a...
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6013180 |
Mineral filtering apparatus
The present invention relates to a mineral filtering apparatus in which the raw water is passed through a plurality of filtering processes, such as automatically filtrating without pressure,...
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5989416 |
Wastewater treatment system
A filter bed base for the treatment of wastewater discharged from a dwelling, business or like producer. The filter bed base is generally rectangular in shape and includes an upper and lower...
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5980761 |
Filter system and a cartridge containing a cellular granular material
The main application of the invention lies in making cartridges, filters and complete filter systems for regeneration purposes, in particular for regenerating swimming pool water, and for that...
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5948266 |
Hand manipulable skimmer system for removing an oil sheen from the surface of a body of water
A portable liquid surface skimmer efficiently removes small spills of petroleum derivatives from the surface of water, and is useful, for example, on thin sheen spills of oil or gasoline, in...
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5906714 |
Method for treating emulsified liquids
A method of separating water from an aqueous emulsion using a minimum of energy includes heating the aqueous emulsion in a sump, conveying concentrated emulsion from the sump to a heat exchanger so...
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5866019 |
Method for backwashing filters in a water treatment plant with clarifier and peripheral filter cells
Apparatus for treating a liquid containing suspended solids comprising a clarifying vessel and a number of filters positioned around the periphery of the clarifying vessel for receiving and...
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5804062 |
Water treatment plant with clarifier and peripheral filter
Apparatus for treating a liquid containing suspended solids comprising a clarifying vessel and a number of filters positioned around the periphery of the clarifying vessel for receiving and...
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5738781 |
Household waste water treatment and recycling system
A household waste water treatment and recycling system comprising a rigid septic tank having a hollow body with a top opening and a lid secured over the top opening to thereby create an enclosed...
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5730878 |
Contaminated waste-water treatment method and device
A waste-water treatment device that includes a coalescing plate separator (CPS) for receiving waste-water and for specific gravity separation of hydrocarbon fluids and particles having a lower...
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5702609 |
Water retrieval from aqueous mixture of organic phosphates
Process and apparatus for separating aryl phosphates and esters and hydrolysates thereof from water in an aqueous mixture thereof. A superposed layer of the mixture is decanted from a lower layer...
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5690827 |
Sewage treatment system using peat and a constructed wetland
A system and method of sewage treatment which comprises the sequential steps of: (i) subjecting waste water to be treated to a primary settling means to remove settleable solids and suspended...
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5626748 |
Liquid separator
This invention relates to waste water treatment, more specifically this invention relates to transportable decontamination system for water which is pumped from manholes and equipment vaults. The...
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5603825 |
Multi-stage apparatus for separating immiscible fluids
A compact multi-stage oil-water separator which has application in removing oily contaminants from bilge water in ships is disclosed. The oil-water separator has two toroidal mechanical separation...
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