Class / Patent application number | Description | Number of patent applications / Date published |
210612000 | And regulating temperature during biological step | 24 |
20080210632 | PROBIOTIC SYSTEM AND AQUACULTURE DEVICES - An aquaculture or wastewater effluent water quality device to improve water quality and food supply in an aquaculture pond or body of water by incubating beneficial microbes in a temperature controlled environment and systematically releasing them to the surrounding water, allowing the beneficial microbes to perform sanitation functions and to help such systems or water bodies overcome the natural production of harmful microbial species without substantially heating or cooling the entire system any more than is required by the present state of the system or body of water or the inhabitants thereof. | 09-04-2008 |
20090114591 | System and Method for Pretreating Biomass - According to one embodiment, a method for heat treatment of a biomass includes allowing biomass in a pretreatment reactor to undergo a pre-treatment reaction process. The pre-treatment reaction process yields pretreated biomass along with soluble components. A first liquid having a first temperature is transported into the pretreatment reactor and the pretreated biomass elevates the first temperature to a second temperature. At least a port of the soluble components are captured in the first liquid, and the at least a portion of the soluble components in the first liquid and the first liquid are removed from the pretreatment reactor. A second liquid having a third temperature is transported into the pretreatment reactor and the pretreated biomass elevates the third temperature to a fourth temperature, the fourth temperature being less than second temperature. | 05-07-2009 |
20110114556 | Soft Fail Algae Growth System and Method - Methods and systems for preventing or minimizing the death of algae in algae growth systems in the event of a loss of power comprise automated selective alteration of operating parameters of the growth system to minimize the impact of the loss of power. | 05-19-2011 |
20110192791 | METHOD AND DEVICE FOR BIOGENIC WASTE TREATMENT - The present discloses a method and a device for biogenic waste, or bio-waste treatment, and said method is as follows: Firstly, the biogenic waste is evenly mixed with water vapor, or steam, heating and pressurizing so that the temperature reaches 130-190° C. and the pressure reaches 1.5-1.9 MPa after mixture, and this state is maintained for 1-25 minutes; Then, the pressure of the mixture of said biogenic waste and water vapor is reduced to normal pressure, such as atmospheric pressure so as to conduct low-molecularization, such as decreasing or reduction of molecular weight of the biogenic waste to obtain a low-molecularized mixture, such as a low molecular weight mixture; finally, the low-molecularized mixture, such as low-molecular weight mixture is separated so as to obtain the final products. Said device includes reaction vessel, stirring device, vapor input device, pressure-reducing regulator and separation device. | 08-11-2011 |
20120152831 | METHOD AND APPARATUS FOR CLEANING WASTEWATER - A method for cleaning waste water is provided whereby the waste water is led through a throughput tank having filler materials to which aerobic microorganisms are adhered and wherein the throughput tank is ventilated with an oxygen containing gas. As filler materials, materials are used which have a specific weight approximately equal to the specific weight of the waste water whereby the filler materials are suspended in the waste water. The inflow of the waste water into the throughput tank and the ventilation of the throughput tank is affected from bottom of the throughput tank and in such a gas amount that the waste water and the filler bodies suspended therein are mixed and the microorganisms on the filler bodies are supplied with sufficient oxygen. The device has a throughput tank with a tank bottom, a tank wall, wherein the inflow connecting pipe and the ventilation arrangement are arranged on the tank bottom and the outflow connecting pipe is arranged at the upper area of the throughput tank. | 06-21-2012 |
20120318735 | PROCESS FOR THE THERMOPHILIC AEROBIC TREATMENT OF CONCENTRATED ORGANIC WASTE WATER AND THE RELATED PLANT - A process for the thermophilic aerobic treatment of concentrated organic waste water includes the following stages: subjecting the waste water to a fluidized-bed thermophilic aerobic biological treatment, inside a closed reactor, provided with a thermostat control system and a hydraulic recirculation system; subjecting the water to an ultrafiltration treatment; and discharging treated waste water, wherein pure oxygen O2 is insufflated inside the reactor; lime Ca(OH)2 is available during the fluidized-bed thermophilic aerobic biological treatment, whereby the lime forms by reacting with carbon dioxide generated by the degradation of the organic substrate in the biological process, a natural inert supporting medium consisting of microparticles of calcium carbonate, and the microparticles enable the development thereon of an adherent aerobic bacterial flora. A plant that implements the process of thermophilic aerobic treatment of concentrated organic waste water is also described. | 12-20-2012 |
20130264283 | Anaerobic Reactor For Wastewater Treatment - The present invention relates to an anaerobic reactor ( | 10-10-2013 |
20140021131 | WASTEWATER TREATMENT - A wastewater treatment system includes wastewater having nitrogen-containing compounds, an anoxic zone having denitrifying bacteria, and an aerobic zone having nitrifying bacteria. The anoxic zone is coupled to the aerobic zone, and wastewater flows from the anoxic to the aerobic zone or vice versa. A fluidized bed heat exchanger configured to accept heat from a heat engine and to transfer the heat from the heat engine to the wastewater is positioned in the aerobic zone or the anoxic zone. The fluidized bed heat exchanger includes particulate media, and fluidization of the particulate media scrubs bacterial growth from portions of the fluidized bed heat exchanger. Treating wastewater can include flowing wastewater having nitrogen-containing compounds into a biological reactor having an anoxic zone and an aerobic zone, and heating the wastewater with heat from a heat engine to facilitate denitrification reactions in the anoxic zone and nitrification reactions in the aerobic zone. | 01-23-2014 |
20140076801 | METHOD FOR THE SEPARATION OF LITTER FROM LIQUID MANURE - A method of separating litter from liquid manure includes feeding liquid manure to a separator and squeezing particulate material from the liquid manure with the separator at a separating rate. The method also includes feeding the material to a litter reclamation plant, heating the particulate material within the litter reclamation plant from an entry temperature to a target temperature, and maintaining the particulate material above the target temperature for a duration of time. The method further includes measuring the entry temperature for a predetermined measuring interval and adjusting the separating rate if the entry temperature increases or decreases within the measuring interval. | 03-20-2014 |
20140083939 | METHODS FOR CONTROLLING PRETREATMENT OF BIOMASS - Methods for producing ethanol from cellulosic biomass and, in particular, methods for controlling steam explosion pretreatment operations are disclosed. In some particular embodiments, the total solids content of biomass entering a pretreatment digester is calculated to provide operational data and feedback control. | 03-27-2014 |
20140251903 | HYDROLYTIC DEGRITTER - The present invention relates to improving the results of anaerobic digestion of organic waste especially animal manure such as chicken manure by removing the grit in the waste. by digesting the waste in a slurry at a temperature of 50 degrees C. or more for a period of time sufficient for the grit to settle out of the slurry. | 09-11-2014 |
20140263045 | GASIFICATION WASTE WATER TREATMENT USING AIR SEPARATION UNIT OXYGEN - In one embodiment, a method includes gasifying a fuel source using a first oxygen stream supplied from an air separation unit (ASU), discharging a gasifier blowdown from a gasification and scrubbing system configured to gasify the fuel source, generating a grey water from the gasifier blowdown, and biologically treating the grey water in a reactor using a second oxygen stream supplied by the ASU. | 09-18-2014 |
20140339156 | BIOLOGICAL TREATMENT OF WATER AND WASTEWATER - A system and method for treatment of ammonia-containing raw water from low-temperature sources is designed to provide optimum treatment conditions, particularly temperature of the raw water in the bioreactor(s) containing nitrifying bacteria. The raw water supply is split into two streams, of which one stream is heated before remixing with the other stream. The split-stream heating is optionally supported by the provision of a retention tank on the heated-water stream. A three-way valve is provided to control compressed air supply to be mixed with the raw water in dependence on water level in the bioreactor. | 11-20-2014 |
210613000 | Digesting sludge | 11 |
20090206029 | Processing system to facilitate the decomposition of organic waste with anerobic bacteria - A method to prepare an organic composition for a digestor minimizes injury to and enhance the decomposition function of anaerobic and facultative anaerobic bacteria in the organic composition. The method is utilizes at an animal processing facility. Manure produced at the facility is periodically collected at at least seven day intervals and at a temperature greater than thirty-two degrees F. Large pieces of inorganic material are removed from the manure while preserving a significant proportion of the living anaerobic and facultative anaerobic bacteria in the manure. The decomposition activity of anaerobic and facultative anaerobic bacteria is facilitated by, at a temperature in the range of fifty degrees F to one hundred and five degrees F, adding water to produce a slurry including seventy-five to ninety-five percent by weight water and twenty-five to five percent by weight of organic material. Organic material in the slurry is separated into particles having a length in the range of one micron to one-eighth of an inch. Inorganic material is removed from the slurry at a temperature in the range of fifty degrees F to ninety degrees F and while preserving the living anaerobic and facultative bacteria in the slurry to produce a slurry product comprised of less than twenty-five percent by weight of said organic material. The slurry product is transported to a digestor. The anaerobic and facultative anaerobic bacteria in the slurry product to decompose in the digestor organic material in the slurry product. | 08-20-2009 |
20090314709 | POLAR FOG WASTE TREATMENT - A FOG waste treatment facility includes a slipstream loop incorporating circulation pumps, heat exchangers and anaerobic digesters for continuously circulating actively digesting sludge at a rate to preclude solid settlement accumulation warmed actively digesting sludge is pumped from the slipstream loop through a rock trap into a delivery/input loop both for aiding delivery of FOG waste to, and for partially filing, a receiving/conditioning holding tank. The actively digesting sludge softens and liquefies the FOG wastes offloaded into the holding tank for further treatment at a desired treatment temperature range. The contents of the receiving/conditioning holding tank are continuously mixed by a bottom-top recirculation chopper pump to pre-treat the FOG wastes, and decreasing solids particle size. The produced, flowable feedstock slurry can then be injected back into the actively digesting sludge slipstream loop at a controlled rate. The resultant mixture then is introduced into the input of waste treatment systems having anaerobic digesters for digestion of solids. | 12-24-2009 |
20100140169 | Method and Apparatus for Anaerobic Digestion of Organic Liquid Waste Streams - A system and method for treating high-strength organic liquid waste. Generally, the method includes feeding influent high-strength organic liquid waste including organic molecules to an anaerobic digester, converting at least a portion of the organic molecules in the liquid waste to acids using acid forming bacteria, converting at least a portion of the acids in the liquid waste to methane using methanogenic bacteria, separating the liquid waste after treatment with the methanogenic bacteria into alkaline sludge and effluent, and using the alkaline sludge to adjust the pH of the liquid waste in the anaerobic digester. In the case of acidic high-strength organic liquid wastes, a portion of the acids produced by the acid forming bacteria may be recirculated to the front of the anaerobic digester and combined with influent high-strength organic liquid waste. | 06-10-2010 |
20100243564 | SYSTEM AND METHOD FOR MONITORING AN INTEGRATED SYSTEM - A control system includes an estimator configured to determine a present state of a device and compare the present state of the device with an expected state of the device. The control system further includes a predictor operatively coupled to the estimator, and configured to predict an event for execution by the device to reach the expected state of the device. The control system also includes a supervisory control unit operatively coupled to the predictor and the device, and configured to facilitate execution of the predicted event by the device. | 09-30-2010 |
20120024781 | METHODS AND SYSTEMS FOR PROCESSING ORGANIC MATERIAL - The present application relates to systems and methods for processing organic materials. The method may, for example, yield nutrient-rich materials that may have various agricultural uses. The method can include, in some embodiments, forming a slurry from components comprising liquid and organic material; combining the slurry with microorganisms to form a biomass; anaerobically digesting the organic material in the biomass; and at least partially separating liquid components from the digested biomass. In some embodiments, the anaerobic digestion produces low amounts of methane. The systems may, in some embodiments, be configured to perform the method of processing organic materials. | 02-02-2012 |
20130105390 | Low Mean Cell Residence Time Anaerobic Digestion Process | 05-02-2013 |
20140138309 | DEVICE AND METHOD FOR SEWAGE TREATMENT USING CONSTANT MAGNETIC FIELD - A device for sewage treatment, including: a reactor and a magnetic field generator. The reactor includes a stirrer, an aerator, an activated sludge zone, an upper end including a water inlet, a side wall including a water outlet, and a bottom including a sludge outlet. The magnetic field includes magnets and iron plates. The activated sludge zone is disposed inside the reactor. The stirrer and the aerator are disposed within the activated sludge zone. The aerator is arranged beneath the stirrer. The magnetic field generator is disposed outside the reactor. The magnets and the iron plates are symmetrically disposed on two sides of the reactor, respectively, and each of the magnets is disposed on the inner side of the corresponding iron plate. The magnets disposed on both sides of the reactor produce magnetic fields having the same direction. | 05-22-2014 |
20140263046 | PROCESS AND PLANT FOR SLUDGE HYGIENIZATION TREATMENT - A sludge treatment plant includes an extended floor with a work surface for receiving a mass of spread-out sludge and a movable carriage positioned transversely above the work surface. The movable carriage includes a displacement tool designed to carry the sludge towards a terminal part of the work surface. A withdrawal tool is provided in order to transfer the sludge towards an outlet channel. The outlet channel includes a screw conveyor associated with a rotational drive system and equipped with a heating element. A controller is fitted in order to adjust the temperature in this screw conveyor substantially to a predetermined value between 90° C. and 100° C., while adjusting the rotational drive of the screw conveyor in order to obtain a residence time of the sludge within this screw conveyor substantially to a predetermined value of greater than 4 hours. | 09-18-2014 |
20140367332 | SEPTIC SYSTEM AND METHOD OF TREATING SEWAGE AND GREASE - A septic system is provided which receives both sewage and fat, oil, and grease (FOG) at an inlet. The inlet provides fluids to a first chamber. A treatment unit is adjacent the inlet. The treatment unit includes a unit for breaking down solids and mixing them with surrounding liquid. Hydro-jetting water and oxygen into the mixture at high or low pressures achieves oxygenation. Jets injecting an enzyme solution provide for maximum contact with the waste. Injection pressure may be selected to achieve rapid oxygenation at a high level. Optionally, the water may be heated. In another form, hot or cold water is injected at selected times. Temperature may be controlled to keep enzymes working properly. Enzymes may be directly injected and carried by liquid that is hydro-jetted into the fluids being treated. | 12-18-2014 |
20150053612 | METHOD AND SYSTEM FOR TREATING WASTE MATERIAL - A method of maintaining a bioreactor of a waste material treatment system is disclosed. The method comprises monitoring the condition of bacteria and/or waste material. If the condition satisfies a first set of criteria, bacteria is transferred from a bacterial backup container to the bioreactor. If the condition satisfies a second set of criteria, bacteria is transferred from the bioreactor to the bacterial backup container. In some embodiments of the present invention the method predicts the condition of the bacteria and/or waste material. | 02-26-2015 |
20160039701 | Method and Installation for Thermal Digestion of Biomass - The invention relates to a method for thermal digestion of pumpable biomass, like sewage sludge. The method comprises the steps of supplying fresh biomass, preheating the supplied fresh biomass, hydrolysing the preheated biomass, cooling the hydrolysed biomass and discharging the cooled biomass. | 02-11-2016 |