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7501060 |
Wastewater treating system
A wastewater treating system includes: a vessel defining a vessel space therein, the vessel space being partitioned into an activated sludge zone that is adapted to receive waste water and a body...
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7481935 |
Waste water treatment process
The present invention describes improved methods and systems for treating waste water and solid waste, which may include the addition of catholyte and anolyte. The methods and systems of the...
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7481934 |
Methods for treatment of wastewater with powdered natural lignocellulosic material
A process for treating wastewater through the use of powdered natural ligno-cellulosic materials (PNLM) for (a) physically removing colloidal and suspended volatile solids through adsorption and...
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7473364 |
Multivalent metal ion management for low sludge processes
A method for managing multivalent metal ion concentrations in low-yield wastewater treatment processes. The method includes combining wastewater containing BOD with bacteria-laden sludge in a...
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7452469 |
Apparatus having rotary activated Baccillus contractor for purifying sewage and wastewater and method using the same
Disclosed herein is an apparatus for purifying sewage and wastewater, including a general automatic impurity treating apparatus; a equalization tank; a distribution tank; a microbe contact tank...
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7452468 |
Method and apparatus for treatment of wastewater
Introducing a combination of suspended attached growth Medias and biological reactants into a sewage treatment process with or without additional reaction to improve and increase capacity of a...
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7439054 |
Bioreactor system for biological degradation of oily sludge
A 10,000 gallon sequencing batch reactor tank for the on-site bio-degradation of oily sludge. Bacteria already present in and adapted to oily sludge degrade the hydrocarbons found in oily sludge...
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7407582 |
Combination activated sludge—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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7404897 |
Method for nitrogen removal and treatment of digester reject water in wastewater using bioaugmentation
An efficient system and process for removing nitrogen from wastewater while enriching seed sludge in the mainstream treatment process. Bioaugmentation of seed autotrophic organisms facilitate the...
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7344643 |
Process to enhance phosphorus removal for activated sludge wastewater treatment systems
Contaminated wastewaters comprising biochemical oxygen demand (BOD), nitrogen and phosphorus are treated by an activated sludge process. The process utilizes an activated sludge tank, a...
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7323108 |
Combined biological and ballasted flocculation process for treating wastewater
A wastewater treatment process is provided that entails both a biological or activated sludge process and a ballasted flocculation process. A first stream of wastewater is directed to a biological...
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7309435 |
Biological process for waste treatment and energy production
Processes for the treatment of organic waste are disclosed comprising digesting organic waste under anaerobic conditions so as to convert at least a portion of the organic waste and produce a clear...
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7258791 |
Method of reducing volume of sludge
The pH value of excess sludge taken out from a biological oxidation tank ( 2 ) is adjusted to 8 to 14, and the pH-adjusted sludge is injected into a solubilizing device ( 3 ). The sludge taken out...
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7001520 |
Method for treating waste-activated sludge using elecroporation
A method of treating of municipal sludge, paper-pulp sludge, animal and plant waste, and the like, whereby the treatment thereof via electroporation causes the breakdown of waste activated sludge,...
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6958121 |
Aerobic digester for bodily waste material
A digester is provided for aerobically and microbially digesting a batch of bodily waste material, such as an aqueous slurry of pig manure. The digester comprises side-by-side digestion and...
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6916422 |
Self-adaptive method for regulating an effluent treating plant, in particular for waste water
The invention concerns a method for regulating a wastewater or sludge treating plant. Ponds and cells provided with aerating means are used for eliminating carbonaceous, nitrogenous, and phosphate...
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6872312 |
Method of using high molecular weight water soluble polymers in membrane bioreactor systems
An activated sludge process for the clarification of wastewater comprising introducing the wastewater into a reactor where microorganisms consume organic material in the wastewater to form a mixed...
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6863818 |
Method and apparatus for treating wastewater using membrane filters
An apparatus using activated sludge for the removal of biological nutrients from a wastewater includes a bioreactor for containing a mixture of wastewater under treatment and activated sludge. The...
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6830690 |
Two-stage high synthesis activated sludge system with intermediate bio-solids removal
A process for treating organically contaminated waste water is provided comprising an initial treatment step whereby microorganisms are replicated and either attach to support media or remain...
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6824685 |
Method and apparatus for treating waste water
A wastewater treatment process involves solids-liquid separation after biological treatment, in which solids-liquid separation of activated sludge can be more efficiently performed. A mixture of...
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6824684 |
Wastewater treatment method and apparatus
According to this wastewater treatment apparatus, wastewater can be treated by novel action by a foaming tank 7 in comparison with a treatment method solely using a biological treatment tank 1 ...
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6733672 |
System and method 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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6723244 |
Method and apparatus to achieve nitrification at low solids retention times
A new process configuration, which is based on nitrifier bioaugmentation, achieves essentially complete nitrification at low solids retention times (SRTs) on a year round basis for plants that have...
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6712970 |
Sewage treatment process with phosphorus removal
In the liquid side of sewage treatment process, a combination aerobic/anoxic stage is closely monitored such that phosphorus can be removed as well as nitrogen. As in a known process, the...
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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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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...
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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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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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6602417 |
Process for the treatment of waste water containing specific components e.g. ammonia
A process is described for the biological treatment of waste water containing a specific component such as ammonia, wherein the waste water together with surplus sludge from an activated sludge...
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6585895 |
Wastewater treatment process
There is provided a process for treating industrial wastewater that substantially eliminates the generation of excess solids in the system requiring mechanical removal. The wastewater undergoes an...
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6572774 |
Waste treatment method and apparatus with integral clarifier
A waste treatment method and apparatus including an aeration basin for holding waste, an aerating device for aerating the waste and an integral clarifier in which sludge particles separate out of...
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6569338 |
Integrated vertical wastewater treatment vessel and method
A vessel ( 10 ) for placement on a land site for sanitary treatment of wastewater, in which an inlet communicates wastewater and suspended solids through a mixing chamber ( 30 ) to an aeration zone...
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6491820 |
Method for the molecular destruction of waste-activated sludge using high electrical voltage
The present invention is directed to a pulsed electric-field system for rupturing and destroying molecular cellular units of waste-activated sludge to thereby liberate intracellular water molecules...
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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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6485646 |
Process for the treatment of waste water containing ammonia
A process is described for the biological treatment of waste water containing ammonia, wherein the waste water is treated with sludge containing nitrifying bacteria in an aerated reactor, applying...
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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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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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6379545 |
Modular wastewater treatment system
A modular system for treating wastewater is designed having different phases. In an initial phase, plural tanks are provided, including at least one reactor and digester tank. In a subsequent...
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6372138 |
Wastewater treatment method for removing organic matter and nitrogen, carrier used thereof and method for manufacturing the carrier
A wastewater treatment method for removing organic matter and nitrogen from wastewater. In the wastewater treatment method, an excessive amount of organic matter which prevents nitrifying bacteria...
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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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6325936 |
Process for treating waste water containing a resin
A process for treating waste water containing a resin is disclosed, which includes the steps of adding a polyamine compound to waste water containing at least a resin to coagulate at least...
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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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6322701 |
Water treatment process
A process for the treatment of waste waters containing chemically reducible dissolved organic and inorganic pollutants and suspended mater in particulate or colloidal form. The process comprises of...
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6319409 |
Process for treating waste water containing cutting oil
A process for treating waste water containing cutting oil is disclosed, which includes the steps of adding a cationic organic compound to waste water containing used cutting oil to coagulate...
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6312599 |
Method of using wastewater flow equalization basins for multiple biological treatments
One or more flow equalization basins or lagoons are utilized for performing hydrolysis of ATP as the first stage of biological phosphorus reduction, selective reduction of biological oxygen demand...
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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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6290850 |
Method for controlling aeration systems of biological tanks treating waste water
Method of monitoring the efficiency of the aeration systems of biological basins of a wastewater treatment plant, characterized in that it consists in: i) measuring the throughput (Qt) of the...
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6254778 |
Method for purifying carbon-containing pollution and denitrifying waste water in oxygenic medium
The invention is a biological process for purifying waste water in order to produce an effluent with a low content of carbon and of oxygenated nitrogen compounds. The process includes an initial...
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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...
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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...
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