Matches 51 - 100 out of 328 < 1 2 3 4 5 6 7 >
Match Document Document Title
6652752 Biodegradation of oil sludge  
A method for the biodegradation on an oil-based sludge comprising a mixture of petroleum hydrocarbons is disclosed. The method comprises forming an aqueous solution in a reactor of an oil-in-water...
6620322 Apparatus and methods for purifying a waste influent material  
Apparatus can comprise an anoxic zone, an aeration zone in communication with the anoxic zone, and a sedimentation zone in communication with the aeration and anoxic zones. The sedimentation zone...
6616844 Method for treating high-concentrated organic wastewater using bio-maker  
The present invention is related to a method for treating high-concentrated organic wastewater, such as night soil or livestock wastewater, which has high levels of nitrogen and phosphorous. In...
6616845 Method and apparatus for biological wastewater treatment  
A method and apparatus for retrofitting existing waste water treatment facilities having at least one existing basin including installing generally vertical partitions at spaced locations in the at...
6605220 Apparatus and method for wastewater treatment with enhanced solids reduction (ESR)  
A wastewater treatment process that provides improved reduction of total solids through endogenous respiration while reducing biochemical oxygen demand and utilizing biological nutrient reduction....
6599426 High dissolved oxygen mixer-digester method  
A sludge digesting method uses a mixing tank providing an integral ceiling, interior wall surface and a floor surface. A vertical beam supports a mixing device engaged for movement along the...
6592762 Process for treating BOD-containing wastewater  
A process for treating BOD, nitrogen and phosphorus containing wastewater. The process includes introducing wastewater influent into an anaerobic zone having activated sludge and mixing the...
6544421 Method for purification of waste water and “RFLR” device for performing the same  
An embodiment of the present invention relates to a biological process for continues purification of waste water by converting its constituents to a solid form that can be easily separated using...
6514410 Odor control apparatus for facultative lagoon  
An odor control apparatus for a facultative lagoon, and a facultative lagoon created and maintained thereby. The apparatus includes an aerator and a cover. The aerator can include a body with an...
6514411 Process for controlling foam in a treatment reactor  
The invention relates generally to a process and apparatus for treating biosolids resulting from the treatment of biological wastewater streams. The invention relates to autothermal aerobic...
6497819 Method and apparatus for treating waste water  
A method for treating waste water and a plant designed for preventing the precipitation of carriers under the air blower installed for reaction tank or aeration tank, wherein the plant comprises an...
6488854 Activated sludge wastewater treatment system and method  
A improved activated sludge system and method for treating wastewater containing contaminants is disclosed which offers a broad array of advantages over conventional activated sludge wastewater...
6468429 Apparatus and method for controlling liquor circulation flow in long vertical shaft bioreactors  
This application relates to improvements to long vertical shaft bioreactors for the aerobic biological treatment of wastewater and aerobic digestion of biodegradable sludges. The invention...
6447681 Aquaculture wastewater treatment system and method of making same  
An aquaculture wastewater treatment system is provided including three wastewater treatment subsystems. The first subsystem is comprised of a fish raceway solids removal channel populated with...
6395173 Method and device for biologically treating a fluid charged with organic materials whilst producing biogas  
The invention relates to a method for biologically treating a fluid sufficiently charged with organic materials, the method being performed in a tank and the fluid being: first subjected to a...
6383389 Wastewater treatment system and method of control  
A wastewater treatment system for treating a wastewater stream from industrial and municipal sources uses a control system to sequence and supervise the treatment steps in a batch flow mode of...
6372140 Diffused aeration method  
A diffused aeration method carried out in an aeration tank which contains a plurality of coarse bubble jet diffusers and a plurality of fine bubble jet diffusers strategically located to provide...
6365047 Method and device for treating biogenic residues  
The invention relates to a method for treating biogenic residues, especially cafeteria leftovers, meat refuse, clarification sludge, organic industrial wastes and the like, wherein the residues are...
6365048 Method for treatment of organic matter contaminated drinking water  
A process for treating water to reduce pollutants using a fluidized bed ( 41 ) supporting microorganisms, ozonated pollutants and a carbon source for the microorganisms is described. The process...
6352643 Wastewater treatment plant comprising upflow anaerobic reactor, and wastewater treatment method using thereof  
The present invention provides a method and system for the treatment of wastewater. One embodiment includes an anaerobic reactor and aerobic reactor. A terminal settling tank includes an upflow...
6306304 Aerobic treatment of septic tank effluent  
An aerobic treatment apparatus and method of treating effluent transported from a septic tank. The effluent flows into a large enclosed holding tank and a small enclosed production tank located in...
6291233 AGB process for integrated multimedia treatment using bio-sorption  
An integrated treatment process and apparatus is provided for removing selected contaminants from both liquid and gaseous waste streams. A multistage separation and bio-oxidation substrate is...
6287469 Home wastewater treatment plant  
A method and equipment are disclosed for tertiary sewage treatment by naturally-occurring microorganisms after the sewage has passed from a septic tank or other primary treatment device. Tertiary...
6251277 Method and device for purifying protein containing waste water  
The invention relates to a method for purifying protein containing waste water, In which a) a first insoluble material is caused to form in the waste water, b) the mixture obtained in step a) is...
6245237 Method for vacuum aeration of septic tanks to provide low pressure microbubbles  
An improved method for aeration of septic tanks and the like by drawing atmospheric air into an expansion chamber and from there into agitated sludge to provide low pressure small microbubbles...
6241889 Trickle tower filter apparatus and looped cord biomedia filter cartridge for use therein  
A looped cord biomedia filter cartridge is employed in a trickle tower filter to quickly and efficiently process wastewater. A base tank holds a volume of wastewater to be processed. The filter...
6224773 Wastewater treatment system with enhanced directional flow  
A wastewater treatment system has a tank and at least one baffle disposed in the tank so as to subdivide the tank to form a treatment chamber and a clarification or settling chamber. The baffle is...
6224772 Activated sludge degassing process and device  
A waste water purification process, in particular a continuous waste water purification process is disclosed, as well as a waste water purification plant system, in particular for continuous waste...
6207054 Method of biologically cleaning polluted water  
A method of biologically cleaning polluted water uses active sludge and at least three zones, where at least one zone operates as a biological treatment zone and at least two zones variably operate...
6200476 Method an device for introducing oxygen into water or aqueous solutions  
In a process for transferring oxygen or an oxygen-containing gas into water or aqueous solutions in the treatment of water or aqueous solutions, oxygen or an oxygen-containing gas is added to the...
6200475 Method of converting organic waste by thermophilic fermentation  
A method of converting organic waste to a useful end product by aerobic thermophilic fermentation process within a short period of time, includes the steps of mixing the organic waste that...
6193220 Diffused aeration system  
A diffused aeration system has an aeration tank which contains a plurality or peripheral coarse bubble jet diffusers and a plurality of fine bubble jet diffusers strategically located therebetween...
6187193 Grease trap and method of decomposing edible oils and fats in the grease trap  
The invention provides a grease trap and a method of decomposing edible oils and fats using the grease trap. The grease trap for storing the drainage includes a drain inlet for introducing drainage...
6187194 Packaged aeration and filtration system  
An aeration and filtration system for eliminating waste products in a fluid body having a surface floor is disclosed. The aeration and filtration system includes a support bed disposed above the...
6177005 System for producing ultrapure water having a TOC density of no more than 0.5 ppb  
Ultrapure water having a reduced amount of TOC and a low electrical conductivity is produced in correspondence with a variation in water quality of raw water. A first water tank has an anaerobic...
6153099 Biological waste treatment process and apparatus  
An apparatus for wastewater treatment, includes a calorie reducer first vessel having an inlet and an outlet, the outlet adapted to control the retention time of wastewater within the first vessel....
6106716 System for purification of domestic household effluent  
The invention provides a system 10 for treatment and purification of domestic household effluent, and for the elimination within said system of organic solid wastes, comprising elements 12 and 14...
6103123 Aeration device and method for creating and maintaining facultative lagoon  
A facultative lagoon, an airlift aerator for such a lagoon, and a method of operating such a lagoon. The aerator includes a U-shaped body with a down flow leg and an airlift leg and a float. The...
6086765 Multi-stage facultative wastewater treatment system and method hydrolyzing biosolids  
A treatment system for a wastewater influent containing having a facultative tank with a vertically disposed lower anaerobic treatment zone, a middle microaerophilic treatment zone and an upper...
6077432 Bio-degradation of ammonium perchlorate, nitrate, hydrolysates and other energetic materials  
A method and system for carrying out the bio-degradation of perchlorates, nitrates, hydrolysates and other energetic materials from wastewater, including process groundwater, ion exchange effluent...
6048459 Method and apparatus for fluidization of particulate bed materials  
A method for fluidization of a particulate bed material in a fluidized bed reactor with an upflow of fliud being treated, wherein a step of recycling said treated fluid is provided and further...
6030534 Three dimensional continuous loop reactor  
A continuous loop reactor system has flow channels in the form of 3-dimensional spirals, defined by a pair of nested vortical walls and vanes which extend from the innermost of the vortical walls...
6024877 Process and installation for the treatment of effluents loaded with organic materials  
A process for treating effluents loaded with organic material, particularly wine-making effluents essential in the form of wash water, comprises pouring the effluents to be treated into a storage...
5948261 Process for treating biosolids from wastewater treatment  
The invention relates generally to a process and apparatus for treating biosolids resulting from the treatment of biological wastewater streams. The invention relates to autothermal aerobic...
5902484 Method and system for treatment of water and wastewater  
Biological processes for treating wastewater include the conventional activated sludge process, which has continuous flow in and out of each treatment cell, and the sequencing batch reactor (SBR)...
5874003 Wastewater treatment apparatus with floating clarifier  
A wastewater treatment apparatus including a biotreatment tank and a floating clarifier within the tank. The floating clarifier includes a floating base and a perimeter wall mounted to and beneath...
5871647 Wastewater treatment unit and method for treating wastewater  
The wastewater treatment unit is operable under high intermittent flow rate variations. It comprises a first clarifier in which is carried out a gravitational settling of solids and a second...
5846424 Biological treatment of materials  
A method of biological treatment of materials by a combination of at least two groups of microorganisms forming sludges in at least two biological treatment zones treating the said materials...
5837141 Process for the biological treatment of waste water  
A process and apparatus for the biological purification of waste water. The process includes the steps of providing a reaction tank having microorganisms therein. The reaction tank has at least one...
5810903 Process for thermophilic aerobic fermentation of organic waste  
A thermophilic, aerobic fermentation process is disclosed for conversion of a wide variety of organic waste materials to useful end products. The fermentation process is initiated over a period of...
Matches 51 - 100 out of 328 < 1 2 3 4 5 6 7 >