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7390410 |
Method and apparatus for the anaerobic treatment of waste
A method and apparatus for the anaerobic treatment of waste water is described which includes a plug flow bioreactor containing a single bed of inert microbial attachment media and anaerobic...
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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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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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7282143 |
Septic tank
A septic tank includes a chamber, an inlet through which waste water enters the chamber, an outlet, and an outlet pipe mounted to the outlet. At least one partitioning member is mounted in the...
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7182854 |
Sanitation system
A sanitation system comprising of a first tank for receiving waste water fluid typically comprising solids, a maceration pump for pulling waste water fluid from the first tank, a cross flow filter...
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7163629 |
System and method for enhanced wastewater treatment
Enhanced wastewater treatment utilizing directed energy to promote degradation of sludge is disclosed. The directed energy is delivered in a stream circulating to and from an anaerobic digester....
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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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7083715 |
Method and plant for thickening sludge derived from water treatment by flocculation-decantation with ballasted floc
A method is provided for thickening sludge produced through a ballasted flocculation process. The sludge and granular material from the ballasted flocculation process are directed to a sludge...
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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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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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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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6921485 |
Two phase anaerobic organic matter treatment and system
The process and system may have an organic matter influent introduced into an acid reactor. The acid reactor may be maintained under conditions to facilitate creation of volatile acids in a fluid...
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6905601 |
Method and device for anaerobically fermenting organic material
Method for anaerobically fermenting biodegradable organic material, whereby this material is mixed with a quantity of already fermented material as an inoculum for the active anaerobic fermentation...
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6872301 |
High shear rotating disc filter
A high shear rotating disc filter having a hollow interior and constructed of a porous material such as sintered metal or ceramic with finely structured openings. The disc is mounted and secured...
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6833078 |
Solid-liquid separation system
Methods and apparatus for separating liquid products and catalyst fines from a slurry used in a Fischer-Tropsch reactor. A settling system continuously or intermittently removes catalyst fines from...
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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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6773593 |
Continuous flow reactor wastewater treatment plant
A system, apparatus, and method for treating wastewater having bio-solids therein. The system includes a tank, a wastewater inlet line, an effluent discharge outlet line, and an aeration source....
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6767462 |
Apparatus and method for purifying wastewater using back overflowed sludge
A wastewater purifying apparatus using a back overflowed sludge includes a water tank having an inflow port for accepting wastewater and an outlet for discharging purified water, and a first...
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6752921 |
Bioreactor tank internally chambered to sequentially perform biological treatment and membrane filtration
Wastewater is delivered to a single tank of a bioreactor system to undergo biological treatment. After undergoing such biological treatment, the wastewater is centrifugally separated outside the...
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6709593 |
Method for purifying waste water, and purification plant for carrying out said method
The invention relates to problematic waste water with highly concentrated impurities, for example seepage water from a refuse dump, which is anaerobically degraded in an anaerobic treatment zone...
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6706185 |
Biological method of phosphorus removal and biological phosphorus-removing apparatus
An apparatus and method for the biological removal of phosphorus, in which raw water is introduced into the anaerobic tank 11, together with returned sludge from the sludge return pipe 14. Some...
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6706173 |
Filtration system
A filtration system for cleaning the fluid in a wash tank. The filtration system includes a process tank from which fluid is pumped to a filter element located in the wash tank. The filter element...
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6630072 |
Methods and apparatuses for treating waste water
Novel methods and apparatuses are disclosed for the treatment of wastewater to reduce often associated offensive odors by promoting aerobic conditions through decreasing the amount of oxygen...
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6620323 |
Apparatus and process for biological wastewater purification
The present invention relates to an apparatus and a process for biological wastewater purification. According to the invention an activation tank ( 10 ) is provided in which, with feed of a...
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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...
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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...
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6615817 |
Recycling system of wire saw abrasive grain slurry and centrifugal separators therefor
A constitution comprises separated processing of an abrasive grain waste liquid into recycled abrasive grain and a fine abrasive grain mixed liquid in a first centrifugal separator, adding a fresh...
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6613229 |
Waste treatment method and apparatus with denitrification chamber
A waste treatment method and apparatus including a denitrification chamber for denitrifying waste, an aeration basin for aerating the waste, and a clarifying device in which sludge particles...
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6531058 |
Biological fluidized bed apparatus
A pre-fabricated, self-contained biological fluidized bed apparatus for the treatment of wastewater, which offers easy and uniform expansion for various types of commercially available media, by...
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6508695 |
Pure water reusing system
A pure water reusing system recovers water discharged from apparatuses in which pure water is used, and regenerates the water to produce pure water. The pure water reusing system has a recovering...
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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...
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6485645 |
Biological process for removing phosphorus involving a membrane filter
A waste water treatment process for biologically removing phosphates incorporates a membrane filter. The process includes three zones, an anaerobic zone, an anoxic zone and an aerobic zone...
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6478963 |
Method and device for anaerobic purification of waste water using the UASB method
Described is a method and a device for purifying waste water, in particular by means of anaerobic purification. The method is carried out in a waste water- and sludge-receiving container under...
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6444125 |
Method of treating waste water for removing nitrogen and phosphorus and apparatus therefor
A method of treating sewage or waste water for removing nitrogen and phosphorus as well as organic materials in the sewage or waste water, and an apparatus therefor are provided. The method applies...
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6423228 |
Treating fluorine waste water containing organic matter, phosphor and hydrogen peroxide
A calcium carbonate mineral is placed in a lower portion of a second water tank, while sludge precipitated in a sixth water tank is returned to an upper portion. A blower and an air diffusion pipe...
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6413417 |
Waste water treatment apparatus
An apparatus for treatment of fluorine waste water has an introduction tank, a main treatment tank, a calcium hydroxide tank, a polychlorinated aluminum tank, a macromolecular flocculant tank, a...
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6395177 |
Process and apparatus for decoloring liquids and water product thereof
The invention relates to a method for decoloring liquids, in particular ground water, by means of a membrane filtration unit, wherein the following steps are carried out: i) subjecting the ground...
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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...
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6387266 |
Method of sewage biological purification and an equipment for performing this method
A method of biological sewage purification based on that during the purification process the separated water is in determined intervals pumped off from the separation process and the sedimentation...
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6387254 |
Apparatus for wastewater treatment
Phosphorus in wastewater is removed by using an apparatus including a settling tank, an anaerobic tank, an aerobic tank, and a final settling tank. Nitrogen in wastewater is removed by using an...
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6383379 |
Method of preparing a microbial culture for wastewater treatment
A method of preparing a microbial culture for wastewater treatment comprising the steps of supplying an aerated material derived from an aeration tank ( 13 ) to a bioreactor ( 17 ) and cultivating...
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6383378 |
Apparatus for treating organic waste water
A method and apparatus are disclosed for treating an organic waste water which are capable of utilizing compact equipment by reducing the, quantity of a sludge to be treated. Organic waste water...
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6383370 |
Apparatus for treating wastewater
An apparatus for treating wastewater including a physical-chemical reactor; a chemical supply operably connected to the physical-chemical reactor; a clarifier operably connected to and located...
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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...
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6344142 |
Waste water treatment method and apparatus
In a waste water treatment apparatus, sludge settled in a settling tank is treated by being introduced (returned) into a return sludge reaction tank having a settling section in its rear portion....
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6332978 |
Apparatus for reducing nitrate concentration in wastewater
The present invention is a method for reducing the nitrate concentration in wastewater within a wastewater treatment apparatus configured to define an aeration zone and a quiescent zone. The method...
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6325933 |
Process for biological purification of waste water under sludge retention
A process for biological purification of waste water by the activated sludge method wherein the waste water is continuously passed through one or more treatment zones and a clarification zone,...
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6290852 |
Method and apparatus for the purification and/or treatment of commercial and/or industrial waste waters
In a method and apparatus for the purification and/or treatment of communal and/or industrial wastewaters, particularly for use in marine installations, a biologically operated reaction apparatus...
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6254779 |
Treatment of effluent streams containing organic acids
An acidic organics-containing waste water stream (12) derived from for example plant for the production of an aromatic carboxylic acid such as terephthalic acid is treated to allow recovery of...
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6251264 |
Water purification apparatus
A method for purifying water containing organic matter includes dispersing photo-catalyst particles and an inorganic coagulant into the water; oxidizing the organic matter by activating the...
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