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8163174 |
Submerged biofiltration purifying apparatus
A submerged biofiltration purifying apparatus includes a settling zone being a 3D space having open top, bottom, and two lateral sides; one or more filtering zones coupled to the two lateral sides...
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8123946 |
Method and apparatus for removing metal sulphide particles from a liquid stream
The invention provides a method for removal of metal sulphide particles from a liquid stream comprising a solvent and metal sulphide particles, using a filter system comprising at least one...
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8101071 |
Oil removal reclamation clarifier system and process for use
One aspect of the present disclosure includes an oil removal reclamation clarifier system in communication with a body of oil laden wastewater fluid and a conduit for transporting the fluid to the...
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8057673 |
System and method for treating wastewater containing ammonia
Treatment system for wastewater containing ammonium is provided. The treatment system of the present invention includes an ammonia oxidation reactor and a membrane reactor disposed on the back of...
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8029668 |
Fluid treatment device and method
An apparatus and method for treating raw water. The apparatus comprises a vessel having an inlet for the raw water and an outlet for the skimmed water, and wherein the vessel contains the raw...
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8007666 |
Apparatus for sanitizing water dispensed from a water dispenser having a reservoir
A method and apparatus of sanitizing drinking water to be dispensed from a water dispenser having a reservoir includes the steps of providing the ozone gas generator that generates an ozone gas...
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7883627 |
Automated fuel polishing system and methods
An automated system for fuel polishing stored fuel in multiple storage tanks, and methods for making and using such systems, such methods including the use of an apparatus comprising a pump having...
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7879237 |
Method for biological disposal of organic wastewater and biological disposal apparatus
A biological treatment method and device for organic wastewater, whereby the amount of minute organisms which reduce the amount of excess sludge and held within an activated sludge tank can be...
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7850849 |
Anaerobic reactor for the removal of long chain fatty acids from fat containing wastewater
The invention presented is an apparatus specifically designed for the high rate anaerobic treatment of (waste)waters with relatively high concentrations of lipidic compounds, referred to as the...
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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...
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7820048 |
Method and system for treating organically contaminated waste water
A method and system for treating organically contaminated waste water for reuse, by: introducing the waste water into a sedimentation tank to remove a significant portion of the organic...
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7718065 |
Filtration method and apparatus
The invention relates to a membrane bioreactor process combined with an advanced biological sludge digestion process that provides significant improvements in sludge digestion by reducing the costs...
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7699980 |
System for activated sludge wastewater treatment with high dissolved oxygen levels
An activated sludge wastewater treatment system is provided. The disclosed system includes: an uncovered activated sludge basin; a high purity oxygen aeration system; a secondary clarifier; a...
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7662277 |
Wastewater treatment apparatus
An improved wastewater treatment apparatus is provided. The waste treatment apparatus illustratively follows a primary treatment system such as, for example, a septic tank, a primary clarifier, a...
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7531085 |
Device for purifying anaerobic biological wastewater
The invention relates to a device for purifying anaerobic biological wastewater, which wastewater is fed in through a feed pipe (4) and the purified wastewater and built-up gas are removed...
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7488413 |
Waste water treatment plant and method
A waste water treatment plant includes a treatment chamber or reactor (26) containing a plurality of buoyant sludge carriers (38). In the base of the treatment chamber (26) is a biofilm collection...
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7476319 |
Method and apparatus for continuously controlling denitrification in variable nitrogen loads in wastewater
The invention is a method and an apparatus for continuously controlling denitrification in wastewater purification in a sewage treatment plant having at least one denitrification stage under...
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7476321 |
Method and a plant for waste water treatment
A method and a plant for waste water treatment include a method for purifying waste that has the steps of a) storing waste water; b) optionally removing phosphorous compounds; c) leading the waste...
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7422684 |
Method and apparatus for sanitizing water dispensed from a water dispenser having a reservoir
A method and apparatus of sanitizing drinking water to be dispensed from a water dispenser having a reservoir includes the steps of providing the ozone gas generator that generates an ozone gas...
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7419594 |
Apparatus and method for controlling biomass growth in suspended carrier bioreactor
A bioreactor configured to contain an aqueous suspension of biomass and media is provided. The invention includes a lift tube disposed within the vessel, the lift tube having an inlet disposed at...
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7374672 |
Filter device comprising integral centrifugal separation
A filter apparatus having a filter membrane, a main body, a supply channel running perpendicular to the surface of the filter membrane and a gap running between it and the filter membrane, for the...
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7338595 |
Flow-through tank for water treatment
A fluid treatment system includes at least one flow-through tank, a treatment device configured for treating at least one of an untreated fluid and a treated fluid and providing the treated fluid...
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7332083 |
Process and device for biological treatment of a suspension in a bioreactor
A process and a device for biological treatment of a suspension in a bioreactor is described, which is made especially as a loop reactor with a central guide pipe (2) and gas injection (3). In...
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7323107 |
Apparatus and method for the treatment of waste
A waste treatment system suitable for domestic use and capable of producing water suitable for recycling within the household. The system includes a bioreactor (30) and a decomposition chamber...
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7311833 |
Zero excess sludge membrane bioreactor
An inclined plate coupled membrane bioreactor for treating feed water having excessive level of nutrients in particular chemical oxygen demand and total nitrogen and suspended solids has an aerobic...
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7309432 |
System and method for eliminating sludge via ozonation
A system and method for the treatment and reduction of sludge via ozonation in a wastewater treatment process is disclosed. The sludge treatment system comprises: a sludge ozonation reactor coupled...
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7300578 |
Apparatus for recycling of oil-based drilling fluid contaminated with water and water contaminated with oil based drilling fluid
A mobile apparatus and method for recycling an invert emulsion based drilling fluid, in which the invert emulsion based drilling fluid includes an oleaginous component and an aqueous component. The...
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7294254 |
Wastewater treatment system
A localized wastewater treatment system for biologically treating wastewater. Raw wastewater flows into a first operational area where a majority of solid material in the wastewater separates out...
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7276165 |
Method and plant for biological treatment of aqueous effluents for purification thereof
The invention relates to a method for the biological treatment of effluents contaminated with impurities of urban or industrial origin, characterised in employing a single aeration tank (1) with a...
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7258788 |
Circular clarifier apparatus and method
This application relates to a circular clarifier for separating and removing separable matter, such as suspended solids, from a liquid. The invention may be used, for example, for separating return...
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7238284 |
Apparatus for processing alkaline solution
An apparatus for processing an alkaline solution includes a storage tank storing the alkaline solution to be processed; a processing unit sucking a foam phase disposed on the liquid surface level...
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7175764 |
Method and device for purifying wastewaters
The invention relates to a method for purifying wastewaters, particularly wastewaters produced in the paper industry, involving the following steps: a) aerobic clarification of the wastewater using...
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7156985 |
Bioreactor system having improved temperature control
A bioreactor system having improved temperature control wherein heat is directly removed from the bioreactor liquid to maintain temperature balance in the bioreactor. The present invention also...
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7153431 |
Method and system for utilizing activated sludge in a ballasted flocculation process to remove BOD and suspended solids
A method and system for treating water or wastewater to remove both soluble BOD and suspended solids. The method entails a ballasted flocculation process where a flocculant and insoluble granular...
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7141167 |
Filter device
A filter device for filtering liquids including a filter membrane, a main body which is arranged upstream from the filter membrane, and which has a feed channel perpendicular to the surface of the...
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RE39203 |
Current and aeration system for wastewater plant
A defined current and aeration system for the aeration chamber of an aerobic wastewater treatment plant is disclosed. It includes the release of oxygenation gas or air into the aeration chamber...
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7048852 |
Method and apparatus for treating water or wastewater to reduce organic and hardness contamination
A method of treating liquid including mixing coagulant with the liquid, introducing mixed coagulant and liquid into a primary reaction zone, containing an agitator, of a reactor which is...
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7022237 |
Aerobic wastewater management system, apparatus, and method
A septic tank (11) having two separate compartments, a trash tank (13) and a mix liquor compartment, using aerobic bacteria to process waste, and methods of its use. A settling compartment allows...
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7022226 |
Anaerobic bioreactor for the wastewater-treatment plant
The present invention relates to an apparatus for treating wastewater comprising aerobic microbes and an upflow anaerobic reactor in which the wastewater including various substances such as...
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7011759 |
Vessel head-flush process
Pressure is balanced within a partitioned process vessel by flushing the heads of the vessel. Careful handling of the flush purge removed from the head can mitigate the loss of valuable product to...
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7005069 |
Apparatus and method for aeration of wastewater
A wastewater treatment plant includes (i) an aeration vessel having a bottom portion, a top portion and a side portion disposed therebetween to hold a quantity of wastewater, the top portion and...
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7005065 |
Wastewater treatment system having aeration dropline-supporting clips
A clip for supporting the clarifier and the droplines in a wastewater treatment system is disclosed. The clip comprises a pair of parallel main plates wherein at least one main plate contains a...
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6984317 |
System for the treatment of soot-laden water
A system and method for treatment of soot-laden waste water is disclosed. The method comprises the steps of separating the soot from the waste water initially in a clarifier. The concentrated soot...
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6964738 |
Bioreactor processing of wastewater
A bioreactor tank is internally partitioned into two chambers within which wastewater is respectively aerated and from which a bacteria purified permeate is withdrawn after filtration, while a high...
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6962653 |
Autothermal aerobic digestion system having closed defoaming system
Disclosed is an autothermal aerobic digestion system having closed defoaming system. The system according to the present invention completely controls light and heavy foam by using a series of...
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6878280 |
Wastewater clarification methods and apparatus
The invention relates to a liquid clarifier useful for removing solids suspended in a wastewater stream. Settled biological solids are taken from the clarifier and combined in a mixing chamber with...
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6837997 |
Disposal of sediment from pond or lagoon at petroleum refinery
Method and system for removing accumulated sediment at the bottom of a waste pond or lagoon of a wastewater treatment plant for a petroleum refinery. The system comprises a primary oil separation...
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6821415 |
Self-adjusting fluid surface skimmer and fluid treatment system using same
A self-adjusting fluid surface skimmer and a wastewater treatment system incorporating the same are provided. In one embodiment, the skimmer includes an intake passage and an outlet passage. The...
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6790359 |
Vertical phase separation in anaerobic digestion
Method and process for dramatically increasing mixing, energy and operating efficiency of wastewater treatment plants at reduced capital and operating cost per unit volume.
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6783671 |
Enhanced activated sludge treatment
An enhanced activated sludge wastewater treatment method increases volumetric pollutant loading, hydraulic loading capacity and nutrient removal efficiency at a conventional activated sludge...
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