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7604740 |
Waste activated sludge stripping to remove internal phosphorus
A method of treating a mixture of microorganisms containing phosphorus and magnesium, by first inducing the mixture microorganisms to release phosphorus and magnesium which is then tapped off as...
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7604744 |
System and method for processing organic waste material
A method is provided for maintaining a biomass disposed on a substrate in a bioreactor tank. The bioreactor tank has an inlet and an outlet in fluid communication with a waste treatment system...
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7582444 |
Use of flocculating agents for separating the solid residue in hydrolysed fermentation substrates
Process for improving the separation efficiency of residual solid matter from the liquid phase of an aqueous acid hydrolysate of a naturally occurring polysaccharide comprising dissolved sugars,...
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7563372 |
Package dewatering wastewater treatment method
A sewage treatment plant and method employing rapid sludge chemical dewatering technology in conjunction with slower conventional mechanical dewatering solids agglomeration and disposal methods to...
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7553419 |
Method of material processing to produce a fiber product
A material processing method produces a fiber product by anaerobic digesting of input material such as dairy flush to produce a gas product and a liquid and solid fiber product, by thereafter...
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7537699 |
Methods for reducing biosolids odors
A method for reducing the odors of an anaerobically digested dewatered biosolids or other biosolids or sludge may include separating first anaerobically digested dewatered biosolids into first and...
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7507341 |
Method of and apparatus for converting biological materials into energy resources
A method of converting biological material into energy resources includes transmitting biological material to a pulsed electric field (PEF) station, and applying a PEF to the biological material...
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7468132 |
Method for treatment of animal waste
A method and a facility for the treatment of waste from concentrated animal feed operations are disclosed. The method includes receiving manure at a central location, digesting the manure and...
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7455997 |
Production of fermentation product
A process of producing fermentation product comprising the steps of, (i) forming an acidified suspension of particulate plant derived material comprising a first polysaccharide which is more...
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7455773 |
Package wastewater chemical/biological treatment method
A chemical/biological wastewater treatment plant method and apparatus employing rapid sludge chemical dewatering technology in conjunction with an environmental biological system for treating the...
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7429329 |
Hybrid chemical/mechanical dewatering method for sewage treatment plants
A hybrid chemical/mechanical dewatering sewage treatment plant and method employing rapid sludge chemical dewatering technology in conjunction with slower conventional mechanical dewatering solids...
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7422687 |
Biotreatment of As-containing hydroxide sludge
The invention discloses a biotechnological process for the treatment of hydroxide sludge containing As produced in potable water production processes which use FeCI 3 as a coagulant. The process...
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7410583 |
Process of treating organic waste for anaerobic digestion
A process of treating organic waste such as food wastes for anaerobic digestion including preparing a waste-slurry from organic waste such as food wastes, transferring the organic waste-slurry to a...
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7387727 |
Contaminated liquid filtration system vehicle
An object of the present invention is to provide a vehicle which is capable of recycling contaminated liquid in a factory or the like swiftly and efficiently without performing incineration. In...
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7375173 |
Ecofriendly cationic polyelectrolytes
The invention relates to cationic water-soluble polyelectrolytes, especially terpolymers, which are obtained by polymerising monomers of (meth)acrylamide, a quaternised (meth)acrylamide derivative,...
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7344648 |
Use of silicones for causing or facilitating the flow of dispersions of solid particulates in liquids
A method for causing or facilitating the flow of dispersions of solid particulates in liquids, having characteristics of high viscosity or resistance to flow, with particular reference to sludges...
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7332084 |
Process for biological treatment of organic wastewater and apparatus therefor
A multistage activated sludge process involving a predation effect caused by microorganisms realizes further improvement in treatment efficiency and further decrease in the amount of excess sludge...
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7320759 |
Sludge treatment method
A sludge treatment method allowing an improvement in a phosphorus recovery rate and sludge volume reduction by efficiently eluting phosphorus in the sludge. The sludge treatment method includes: a...
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7318894 |
Method and system for treating wastewater
A method and system is disclosed for treating wastewater that utilizes membrane processes, preferably in combination with anaerobic biological treatment, to provide for economical and...
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7294269 |
Organic disposer and method of controlling the same
An organic matter disposer is disclosed, including a tub, a drum rotatably provided in the tub so as to store organic matters therein, a stirrer provided in the drum so as to stir the organic...
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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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7166220 |
Systems and methods for organic wastewater treatment
A system and method for organic wastewater treatment through denitrification and nitrification processes. The system for treating organic wastewater includes a multistage treatment tank having at...
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7160713 |
Method and apparatus for oxidizing organic matter
Method and apparatus for biologically oxidizing organic matter. Finely powdered organic matter is suplied into the top end of an upright, high reaction vessel ( 1 ). The vessel ( 1 ) has been...
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7157000 |
Catalytic bioconversion of petroleum-contaminated wastes/wastewaters using kenaf core powder
A Catalytic Bioconversion (CB) process using kenaf core powder is used to promote an environmentally friendly method to biologically treat the petroleum contaminants in these wastes and waste...
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7156998 |
Phased activated sludge system
The inventions describe a phased activated sludge treatment system that incorporates elements of batch treatment technology into a flow-through treatment process. Control of mixing and aeration...
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7135115 |
Membrane bioreactor waste water treatment method
A method for treating waste water uses a membrane bioreactor that produces excess biological sludge and treated water components. This is achieved by extracting the biological sludge from the...
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7101482 |
Method and facility for treatment of sludge derive from biological water purification facilities
A process and system for treating excess sludge produced from a biological treatment system. The process includes biologically treating water or wastewater and producing excess sludge. The excess...
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7087171 |
Method for selective recovery and dewatering sewage sludge by using sludge-coal-oil co-agglomeration
Disclosed herein is a method for dewatering sewage sludge by using sludge-coal-oil co-agglomeration (“SOCA”) which comprises the steps of physically, chemically or biologically conditioning...
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7083728 |
Method for treating sludge using recycle
A method and system for treating at least bioorganic, organic, wastewater, and sewage sludge using recycle. The method of producing a treated sludge product comprises the following steps: (a)...
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7070693 |
Process for treating septage
A process and apparatus for the treatment of septage, particularly grease trap waste, is disclosed. The inventive process will convert the septage into Biosolids (sludge) and water dischargeable to...
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7052607 |
Bioreactor processing method within a 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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7045063 |
Treatment of swine wastewater by biological and membrane separation technologies
The present invention provides an integrated system for treatment of biodegradable waste, including sewage sludge, forestry waste, food waste, agricultural waste, municipal waste, and the like. The...
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7033503 |
Municipal wastewater treatment apparatus and process with a continuous feed and cyclic aeration
Disclosed are efficient municipal wastewater treatment apparatus and process characterized in that the nitrogen is removed by nitrification and denitrification reaction in the cyclic aeration...
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7005068 |
Method and apparatus for treating animal waste and wastewater
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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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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6966941 |
Sewage sludge treatment
An apparatus and method for treating organic waste sludge such as sewage sludge is disclosed wherein the sludge is first dewatered, moved to a day hopper for storage, and then successively passed...
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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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6893566 |
Sewage treatment system
A sewage treatment system is disclosed in which a waste stream is separated into a primary sludge and water effluent, and the primary sludge is anaerobically digested and dewatered to produce a...
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6890429 |
Systems and methods for treating waste water
Systems and methods for treating waste water containing biological wastes such as animal waste generated in livestock-raising operations, wherein the waste water is subjected to a series of...
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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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6855268 |
Composition useful for conditioning sludge derived from the treatment of an aqueous medium and uses thereof
The invention concerns a composition useful for conditioning sludge obtained by mixing an invert emulsions containing at least a cationic polyelectrolyte with an invert emulsion or an aqueous...
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6837999 |
Process for dewatering of sludge
A process is described for dewatering a water-containing material by mixing sphagnum plants into the material as a structural element, and that the mixture thereafter is subjected to a drying...
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6838000 |
Method and device for sewage treatment
The present invention relates to a process for utilizing waste waters which comprises the separate collection of gray water and/or black water and membrane filtration of the seperately collected...
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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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6808628 |
Membrane bioreactor using non-woven fabric filtration
A submerged membrane bioreactor includes a tank containing a mixed liquor having microorganism; and a filtration module immersed in the mixed liquor and having a permeate side in fluid...
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6773597 |
Method and apparatus for reducing excess sludge
The invention offers a method and apparatus for solubilizing excess sludge, having a high solubilizing ability, a low total cost, and capable of reducing the size of facilities. The method for...
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6767463 |
Method for minimizing the new water use in the water circulation system of a treatment plant
A system and method for minimizing new water use in the water circulation system of a treatment plant in which the matter to be treated is purified and/or disaggregated using water in a treatment...
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6746646 |
Method and apparatus for the disinfecting biosolids
A biosolids treatment system comprising a storage tank for containing a quantity of biosolids sludge, a system of disinfection piping within the storage tank comprised of a segment of inner...
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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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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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