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Sound waves

Subclass of:

210 - Liquid purification or separation

210600000 - PROCESSES

210748010 - Utilizing electrical or wave energy directly applied to liquid or material being treated

Patent class list (only not empty are listed)

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Class / Patent application numberDescriptionNumber of patent applications / Date published
210748020 Sound waves 43
20100288709PROCESS AND APPARATUS FOR IMPROVING THE DISINTEGRATION OF THIXOTROPIC SUSPENSIONS BY MEANS OF ULTRASOUND - A method for a disintegration of a thixotropic suspension by ultrasound, includes diverting at least one partial flow from a total suspension flow downstream of an ultrasonic treatment unit, increasing a flow rate of the at least one partial flow and mechanically stressing a thixotropic suspension flow. Additionally, the method includes adding the at least one partial flow to the stressed thixotropic suspension flow to establish the total suspension flow and ultrasonically treating the total suspension flow.11-18-2010
20110233143Mobile flowback water treatment system - Disclosed is a process for reclamation of waste fluids. A conditioning container is employed for receipt of waste material on a continuous flow for treatment within the container by immersible transducers producing ultrasonic acoustic waves in combination with a high level of injected ozone. The invention discloses a cost efficient and environmentally friendly process and apparatus for cleaning and recycling of flowback, or frac water, which has been used to stimulate gas production from shale formations. The apparatus is mobile and containerized and suitable for installation at the well site.09-29-2011
20110284475Apparatus and Method for Treatment of a Contaminated Water-Based Fluid - An apparatus and method for controllable separation of a purified fluid from a process water-based fluid containing at least one contaminating component are described. The apparatus comprises a housing having an inlet port for receiving the process water-based fluid through a controllable inlet valve, an outlet port for discharge of the purified fluid and a sludge port for discharge of a sludge fluid. The apparatus also includes an acoustic vibrator configured for generating a controllable acoustic wave having at least one adjustable parameter selected from frequency, amplitude and intensity. This acoustic vibrator creates at least one layer in the process water-based fluid dividing the process water-based fluid into a pre-filtered fluid and a sludge fluid. This layer is substantially perpendicular to a flow direction of said process water-based fluid. The layer comprises hydroxide radicals and oxygen species reacting with the contaminating component thereby transforming the component into radical form and oxidizing the component thereby causing binding of the component into insoluble aggregates which are precipitated within the sludge fluid. In addition, the apparatus comprises a filter unit disposed within the housing in a flow of the pre-filtered fluid from the layer to the outlet port.11-24-2011
20110297623METHOD FOR TREATING A SUBSTANCE WITH WAVE ENERGY FROM AN ELECTRICAL ARC AND A SECOND SOURCE - A method for treating a substance using an apparatus having: (a) a volute or cyclone head, (b) a throat connected to the volute or cyclone head, (c) a parabolic reflector connected to the throat, (d) a first wave energy source comprising a first electrode within the volute or cyclone head that extends through the outlet into the first opening of the throat along the central axis of the throat, and a second electrode extending into the parabolic reflector proximate to the focus wherein the second electrode is spaced apart and axially aligned with first electrode, and (e) a second wave energy source disposed inside the throat, embedded within the throat or disposed around the throat. The substance is supplied to the inlet of the volute or cyclone head and is irradiated with one or more wave energies produced by the first and second wave energy sources.12-08-2011
20120006758METHOD OF RECOVERING POLYHYDROXYALKANOATES (PHAS) FROM MUNICIPAL WASTE SLUDGE - A method of recovering polyhydroxyalkanoates (PHAs) from municipal waste sludge includes: (a) removing coarse particles in the municipal waste sludge and measuring a solid content in the municipal waste sludge in terms of a volatile suspended solid in the municipal waste sludge; (b) removing a supernatant from the municipal waste sludge; (c) freezing the municipal waste sludge; (d) adding a controlled amount of sodium hypochlorite solution to the municipal waste sludge that has been frozen, a ratio of the solid content of the municipal waste sludge to a volume of the sodium hypochlorite solution added in step (d) ranging from 0.67 mg/ml to 4 mg/ml and being defined as a liquid-solid ratio; and (e) separating PHAs from non-PHAs substances in the municipal waste sludge obtained in the step (d).01-12-2012
20120305495SUBMERSIBLE REACTOR AND/OR CIRCULATION APPARATUS - A liquid contaminant-extraction apparatus arranged for submersion in liquid such as water and comprising a draft tube arrangement extending from an upper region of the apparatus to a lower region thereof, floatation means provided at the upper region, gas introduction means located at the lower region and arranged for the introduction of gas into the draft tube arrangement to create an air lift for water therethrough and for the said extraction of contaminants therefrom.12-06-2012
20130161266SYSTEM AND METHOD FOR TREATING EFFLUENT WITH MICROWAVE GENERATED MULTI-BUBBLE PLASMA - A method for utilizing microwave generated multi-bubble plasma to treat an effluent is provided. The method comprises: providing a microwave field; flowing an effluent and gas bubbles in the effluent across the microwave field; enhancing electromagnetic field in a path of the gas bubbles in the microwave field via an electrode; triggering plasma in the gas bubbles as the gas bubbles reach a region of enhanced electromagnetic field; and coupling microwave to the plasma.06-27-2013
20130233807MICROREACTORS FOR SEPARATION OF HETEROGENEOUS LIQUIDS - A microreactor for separating heterogeneous liquids including a series or baffles and passageways is disclosed herein along with a methods for using such microreactors, and methods for manufacturing such microreactors.09-12-2013
20130277316ACOUSTOPHORETIC SEPARATION OF LIPID PARTICLES FROM RED BLOOD CELLS - A system for removing lipids from blood during cardiopulmonary bypass surgery is disclosed. The system uses an acoustophoretic separator having improved trapping force. The transducer of the acoustophoretic seperator includes a ceramic crystal. Blood flows through the separator, and lipids are trapped and removed.10-24-2013
20140014592METHOD FOR THE REMOVAL OF INORGANIC COMPONENTS FROM BIOMASS, COALS, WASTES, RESIDUES AND SLUDGES FROM SEWAGE TREATMENT - The invention refers to a methodology for the removal of inorganic components such as potassium, sodium, chlorine, sulfur, phosphorus and heavy metals from biomass of different origins, such as from agricultural, forest or urban origin and any mixture therefrom, from low quality coals such as peat, lignite or sub-bituminous and/or bituminous coals, from urban and/or industrial origin residues and wastes, which are possible to include as much organic—>5 wt %—as inorganic—<95 wt %—material and from sludges that are obtained from sewage treatment plants. The method includes the following steps: providing a salt, mixing water with the salt to produce an aqueous solution that contains salt, leaching the raw material with the aqueous solution that contains salt, preferably a salt containing zirconium or yttrium.01-16-2014
20140054238Water Treatment - A method of treating water, applicable to sterilise water for drinking or to treat ballast water, may include flowing water through a conduit containing a reduced pressure zone arranged to reduce the pressure of the flow by at least 1002-27-2014
20140138324MINERAL SEPARATION USING FUNCTIONALIZED MEMBRANES - A machine or apparatus featuring a first processor and a second processor. The first processor is configured to receive a mixture of fluid, valuable material and unwanted material and a functionalized polymer coated member configured to attach to the valuable material in an attachment rich environment, and provide an enriched functionalized polymer coated member having the valuable material attached thereto. The second processor is configured to receive a fluid and the enriched functionalized polymer coated member in a release rich environment to release the valuable material, and provide the valuable material released from the enriched functionalized polymer coated member.05-22-2014
20140326681System and Method for Treating Water Systems with High Voltage Discharge and Ozone - A system and method for treating flowing water systems with a plasma discharge to remove or control growth of microbiological species. The system and method protect other components of the water system from being damaged by excess energy from the electrohydraulic treatment. The system and method also recycle ozone gas generated by a high voltage generator that powers the plasma discharge to further treat the water. A gas infusion system upstream of or inside a plasma reaction chamber may be used to create fine bubbles of ozone, air, or other gases in the water being treated to aid in plasma generation.11-06-2014
20150068984SYSTEM AND METHOD FOR TREATMENT OF SPENT CAUSTIC WASTEWATER - The present disclosure relates to a process for treating and regenerating a spent caustic solution at ambient temperatures and pressure which includes oxidizing spent caustic wastewater with a hydrogen-peroxide/ozone mixture, supported by a board rang irradiation of the spent caustic wastewater by ultrasound. A range of wastewater treatment techniques may also be included to reach a desired effluent quality level.03-12-2015
20150306525FILTRATION SYSTEMS AND METHODS FOR FILTERING SOLIDS - Filtration systems and methods for removing a filter residue from a filter employed in filtering a liquid (for example, grey water). The filtration system may include a vessel having an inlet through which a liquid can be introduced during use and an outlet through which filtered clean liquid can exit. A filter configured to filter the liquid is disposed within the vessel between the inlet and the outlet. The filtration system may further include at least one transducer disposed on or adjacent to the filter. The at least one transducer may be configured to generate one or more pressure waves effective to dislodge at least some residue materials collected on an upstream side of the filter.10-29-2015
20160075583SOLIDS REMOVAL SYSTEM AND METHOD - The system and method is directed to improved separation or clarification of solids from a solids-laden liquid, including the removal of low gravity solids. A liquid to be treated is introduced into the inlet of a solid-liquid separator modified to include one or more sources of vibrational energy. The liquid is directed through a conduit within the separator. This conduit can be configured into a tortuous flow path to assist in the separation of solids from the liquid, the tortuous path being interconnected between two separation towers. Vibrational energy and gas sparging is applied to the flow path. As solids fall out of solution, they are collected. The clarified liquid is also collected. A vacuum can be applied to the system to assist in moving the solid-liquid mixture through the system and to provide vacuum clarification. Electrocoagulation electrodes can also be employed.03-17-2016
210748030 Destroying living organisms 11
20100126942MULTI-FREQUENCY ULTRASONIC APPARATUS AND PROCESS WITH EXPOSED TRANSMITTING HEAD - The present invention is an ultrasonic device with the transmitting head located outside a housing enclosure while radial mode PZTs and tail mass are located inside the housing enclosure. The ultrasonic device and related process are useful for any process involving supplying ultrasonic energy to a liquid, including controlling algae and decontaminating liquids with multiple ultrasonic transmitters driven at variable frequencies. A broad range of algae can be successfully controlled and various liquids can be decontaminated or otherwise processed in a rapid and effective way. Each transmitter is housed in an enclosure that can float on the surface of tanks; pools, reservoirs, lakes, ponds, and water and waste-water facilities. Alternatively, the transmitters can be attached to a structure and positioned with the transmitting head immersed into the liquid. The exposed transmitting head efficiently transmits ultrasonic energy to the liquid.05-27-2010
20100181260Method and Apparatus for Water Treatment to Eliminate Aquatic Organisms - A method and apparatus for treating water such as ballast water in ships in order to eliminate aquatic organisms in the water. The water is led under pressure through a conduit into a chamber of greater cross-section than that of the conduit so that an abrupt reduction in pressure occurs. Cavitation ensues, leading to the release of dissolved gases. Ultrasonic vibration is generated and is applied to the water, exerting a pounding effect that weakens or destroys the organisms present. Other means may be used to generate further mechanical, electrical, and chemical forces in the water which attack the organisms.07-22-2010
20100314331METHOD AND DEVICE FOR TREATING A LIQUID - In a method of treating a liquid, a liquid to be treated is introduced into a space, a mechanical cavitation element acts upon the liquid while gas is supplied into the region of the surface of the cavitation element and introduces the gas into the liquid by moving the cavitation element, and sound waves are introduced directly into the liquid by at least one acoustic power transducer.12-16-2010
20120061329APPARATUS AND METHOD FOR ULTRASOUND TREATMENT FOR BALLAST WATER MANAGEMENT - The invention provides a method of treating a target area with an ultrasound wave pattern, including: providing an ultrasound apparatus having an ultrasound wave generator operatively attached to a plurality of transducers, coupled to an immersible support and configured to emit an ultrasound wave; immersing the apparatus into a water environment; positioning the apparatus proximate to a target area to treat at least one in situ organism; and emitting a pattern of ultrasound waves from the transducers, the pattern of ultrasound waves additive in effect and emitted onto the target area to threat an in situ underwater organism.03-15-2012
20120067827TREATMENT OF FLUIDS WITH WAVE ENERGY FROM A CARBON ARC - A method of and apparatus for treating liquids flowing in a thin film around a source of wave energy to directly expose the liquid to the wave energy, preferably generated in whole or part by an electrical arc between carbon electrodes. In addition to the wave energy generated by the electrical arc, energy generated by cavitation of the flowing liquid may be used in treating the liquid.03-22-2012
20120248044METHOD FOR DISINFECTING SEWAGE SLUDGE - The invention relates to a technique of disinfecting household and industrial waste water used as the basis of organo-mineral fertilizers.10-04-2012
20130068700System and Method for Treatment of Liquids by Cavitation with Pressure Recovery Capability - An apparatus and method for treating a liquid by acoustic cavitation. In a first stage, in a cavitation chamber under positive static pressure. In a second stage by hydrodynamic cavitation. The energy and pressure expended in the first stage is recovered in the second stage to make an efficient processing system for cavitating liquids. The process and system may be used for disinfecting water.03-21-2013
20130327720PROCESS FOR TREATING FLUIDS - Disclosed is an improved water treatment process that operates on a continuous flow of fluids that are subjected to hydrodynamic waves, acoustic ultrasonic waves in combination with injected ozone and electro chemical treatment. The treatment system provides a cost efficient and environmentally friendly process and apparatus for cleaning and recycling fluids as contaminated as frac water, used to stimulate gas production from shale formations, as well as other types of fluids having various levels of contaminants such as aerobic and anaerobic bacteria and suspended solids. The calcium carbonate scaling tendency is reduced to an acceptable level without the use of acids, ion exchange materials, or anti scaling chemicals which is of economical and environmental significance and benefit.12-12-2013
20140202961System for Cleansing Organisms from Water - Techniques for depleting target organisms in water include a waterproof transducer configured for ensonifying a container of water with low intensity sound at one or more ultrasound frequencies for a duration sufficient to prevent maturation of at least 90% of the target organism. In some cases the target organism is mosquito larvae. For example, a portable system for depleting target organisms in water includes a control system and a plurality of waterproof transducers. The system is configured for ensonifying a surface layer of water in an acoustic frequency range from about 40 kilohertz to about 100 kilohertz and in a power concentration range from about 35 milliwatts per milliliter to 100 milliwatts per milliliter for a duration in a range from about 1 to about 100 seconds.07-24-2014
20140263089FRAC WATER SONIC TREATMENT - A system and process for frac water sonic treatment are disclosed. The process involve novel treatment in which frac water is cleaned to potable water standards using a proprietary sonic reactor. Treatment enable neutralization of toxins and may remove bacteria, oil, and/or heavy metals when contained in frac water. The novel treatment system includes portable and scalable equipment of design that may allow optimal economic operation to a plurality of industrial process using clean water.09-18-2014
20150315047APPARATUS AND METHOD FOR LIQUID PUMPING - It is to be understood that embodiments of the present invention provide apparatus and a method for pumping a liquid, for example to recirculate liquid in a liquid storage tank by means of a gas lift pump. A perforated extension at the top of a gas lift allows the apparatus to be used in circumstances where the depth of liquid in the tank may vary over a wide range. Gases other than air may be used in the gas lift, so as to change the acidity and the concentrations of dissolved gases, particularly oxygen, in the liquid. The gas may be introduced into the gas lift through a whistle that generates intense sound waves and couples them into the liquid. These features when used in combination have particular application against invasive species in the ballast water of ocean-going tankers11-05-2015
210748040 Destroying/degradation of chemical contaminant 5
20100089841ULTRASONICALLY INDUCED CAVITATION OF FLUOROCHEMICALS - A process is described for the treatment of fluorochemicals in an aqueous environment, the process including the steps of (1) ultrasonically inducing cavitation in an aqueous system at a frequency within the range from about 15 kHz to about 1100 kHz, the aqueous system comprising fluorochemicals; and (2) breaking down the fluorochemicals into constituent components by the application of the cavitation. The ultrasonically induced cavitation is performed at a frequency within the range from greater than 200 kHz to about 1100 kHz. The process can be used to facilitate the degradation of any of a variety of fluorochemicals having a carbon chain length of C04-15-2010
20120055884METHOD AND APPARATUS FOR HYDROLYZING ORGANIC SOLID - A method and an apparatus for hydrolyzing an organic solid are described. The method includes mixing an organic solid and a nanobubble water having a plurality of nanobubbles, to form an organic liquid, in which the nanobubbles contain a combustible gas; and applying an ultrasonic wave on the organic liquid, such that the nanobubbles generate an additional cavitation effect. A preprocessor is applicable to an organic solid processing system having an anaerobic digestion tank, in which the anaerobic digestion tank has anaerobic microbes for generating a combustible gas. The preprocessor includes a nanobubble water generator, a digestion tank, and an ultrasonic wave generator. With the method and the structure, the nanobubbles are used to increase the probability of generation of the additional cavitation effect, and the combustible gas is used to improve an impact force of bursts produced by the cavitation effect.03-08-2012
20130026108PIEZOELECTRIC DISCHARGE WATER PURIFICATION - The fluid purification disclosed herein provides the advantages of high-voltage purification without electrocution risks. In illustrative purifiers, a contaminated fluid, such as contaminated water, is aerated and passed through a cavity that contains highly porous piezoelectric material and an ultrasonic transducer. The transducer emits ultrasonic energy that causes the piezoelectric material to discharge a high-voltage field, which produces strong oxidizing agents that kill organisms and oxidize organic pollutants. Since the ultrasonic actuator operates at relatively low voltages (e.g., 20-110 V) and can be electrically isolated from the fluid, illustrative purification is safe, environmentally friendly, and scalable from small to large size applications.01-31-2013
20130082008WASTE WATER TREATMENT USING MULTI-STAGED OXIDATION REACTOR - Systems, apparatus and methods are described that control and manage wastewater collection and treatment. A method for treating waste water comprises receiving from a vessel, a portion of a body of fluid for treatment at an input port, providing the oxidizing gas under pneumatic or vacuum pressure to a mixing chamber, where the oxidizing gas comprises one or more of oxygen and ozone, and conducting the portion of the fluid to the mixing chamber. The fluid and oxidizing gas may be mixed to obtain treated fluid which may be reintroduced to the vessel.04-04-2013
20140367343WATER GENERATION PROCESS IN SUPERCRITICAL STATE WITH LOWER ENERGY CONSUMPTION THROUGH ULTRASOUND - WATER GENERATION PROCESS IN SUPERCRITICAL STATE WITH LOWER ENERGY CONSUMPTION THROUGH ULTRASOUND composed by the formation of a bubble in the cavitation cycle wherein two transducers are used in two ends, and that these transducers generate a mechanical pressure on the fluid. This pressure wave on the fluid generates dilatation, wherein we may call as low and high-pressure zones, which forms the evaporation and generates a bubble. This bubble starts growing up until reaching a size in which the resonance coincides with the vibration that is being applied up to it blows. The process consists of inducing the delay of bubble blow, it will take in its conservation and also new bubbles are created with which the fluid will have more bubbles than the conventional form. To have this effect, what is made is ranging the embodiment frequency to the fluid at an average range of 20%. With this, what will occur is that the bubble instead of blowing, it will change its size and in turn new bubbles will be added in the fluid. Other condition required to generate a supercritical water layer in fluid is the uniform blow of the bubbles, as in the conventional method they randomly blow, thus generating the principles before mentioned in a punctual form. Once the three seconds of the bubbles generation has run, interposing an equal sign, but of average frequency in the given range, with which the bubbles will reach a size that they will blow all together, thus generating the supercritical water phenomenon. It is made up to reach between 12 and 15 minutes of submission the same fluid cover to a pressure and temperature that is higher or equal to the supercritical water. Given the blow is made in 1 second we need to submit the fluid between 700 and 800 times to blow the bubbles.12-18-2014
210748050 Separating particles 11
20100206818ULTRASONIC FILTRATION FOR CMP SLURRY - The present invention relates to semiconductor processing. In particular, it relates to a tunable ultrasonic filter and a method of using the same for more effective separation of large particles from slurry. In one embodiment a standing wave is produced in the filter and large particles are accumulated at the nodes of the standing waves while the slurry is flowed out of the filter.08-19-2010
20100314332SEPARATION METHOD - The invention provides a method for the separation of solids from a semi-solid viscous mass, the method comprising treating a solids-containing semi-solid viscous mass in an apparatus comprising a separating member incorporating a substantially flat solid surface and a supporting member, wherein the separating member is adapted to selectively impart directional momentum to the solids, thereby facilitating separation of the solids from the semi-solid viscous mass. Preferably the separating member comprises a substantially flat solid surface adapted for vibrational motion, the vibrational motion causing the solids material to be displaced from the remainder of the semi-solid viscous mass.12-16-2010
20130175226ACOUSTIC SEPARATORS - An acoustic separator comprises: two parallel chamber walls defining a separation chamber therebetween, each chamber wall defining one side of the chamber; inlet means through which fluid can flow into the chamber; and outlet means through which fluid can flow out of the chamber. One of the chamber walls includes a transducer arranged to transmit pressure waves across the chamber towards the other of the chamber walls which in turn is arranged to reflect the pressure waves to set up a standing wave in the chamber. The outlet means defines an opening in one of the sides of the chamber.07-11-2013
20130206703GRAVITY SEDIMENTATION PROCESS AND APPARATUS - A gravity sedimentation process for the treatment of a slurry in a thickener to separate a solid from a liquid, the thickener having, at steady-state, a hindered settling zone and a compression zone, the process including the application of an effective amount of ultrasonic energy to the slurry in a transition zone within the hindered settling zone.08-15-2013
20130277317ACOUSTOPHORETIC ENHANCED SYSTEM FOR USE IN TANKS - A system for enhancing the separation of particles or fluids from water is disclosed. A settling tank or skim tank is provided with an open submersible acoustophoretic separator. In a skim tank, the separator captures and holds oil droplets or particles, permitting them to coalesce until they are large enough and have sufficient buoyant force to float to the top of the tank. In a settling or sediment tank, separator captures and holds particles until they are large enough that the force of gravity causes them to settle out of the water. The acoustophoretic device thus speeds up separation of the particles or droplets from the water.10-24-2013
20140008307TWO-STAGE MICROFLUIDIC DEVICE FOR ACOUSTIC PARTICLE MANIPULATION AND METHODS OF SEPARATION - Exemplary embodiments of the present disclosure provide for two-stage microfluidic devices using surface acoustic waves, methods of use thereof, methods of making, methods of focusing and separating particles, and the like.01-09-2014
20140319077EXCIPIENT REMOVAL FROM PHARMACOLOGICAL SAMPLES - Active pharmaceutical ingredients can be separated from their excipients by dissolving a pharmaceutical product (e.g. tablet, pill) into a solvent, then running the solution through an acoustophoretic device. Standing waves are used to separate the excipient from the active ingredient dissolved in the solvent.10-30-2014
20140346123SEDIMENTATION DEVICE FOR SEPARATING A MATERIAL MIX AND METHOD FOR REMOVING SEDIMENT FROM A SEDIMENTATION DEVICE - A sedimentation device for separating a material mix, preferably plastic flakes, including a sedimentation basin configured to receive the material mix and a liquid, for example water; an inlet configured to introduce the material mix and/or the liquid into the sedimentation basin; an outlet configured to remove sediment from the sedimentation basin; at least one stilling plate within the sedimentation basin configured as an ultrasonic oscillating element. The invention moreover relates to a method for removing sediment from a sedimentation device.11-27-2014
20150321129ACOUSTOPHORETIC DEVICE WITH PIEZOELECTRIC TRANSDUCER ARRAY - An apparatus for separating particles from a fluid stream includes a flow chamber that has at least one inlet and at least one outlet. At least one ultrasonic transducer is located on a wall of the flow chamber. The transducer includes a piezoelectric array with at least two piezoelectric elements. The piezoelectric array includes a piezoelectric material to create a multi-dimensional acoustic standing wave in the flow chamber. A reflector is located on the wall on the opposite side of the flow chamber from the at least one ultrasonic transducer.11-12-2015
20160030660SYSTEMS AND METHODS FOR PARALLEL CHANNEL MICROFLUIDIC SEPARATION - The present disclosure describes a system and method for microfluidic separation. More particularly, the disclosure describes a system and method for the purification of a fluid by the removal of undesired particles. The device includes microfluidic separation channels that include multiple outlets. The device also includes isolation slots positioned between each of the microfluidic separation channels. The device's base includes multiple acoustic transducers which in some implementations are configured to protrude into the isolation slots. The acoustic transducers are configured to generate aggregation axes within the separation channels, which are used to separate out undesired particles.02-04-2016
20160059206ACOUSTICALLY DRIVEN NANOPARTICLE CONCENTRATOR - Methods and systems for concentrating and allowing for separation of nanoparticles from fluids use acoustically driven nanoparticle concentrators which have an aerogel as the reflecting material and include tuning capabilities to alter the location at which the particles are being concentrated.03-03-2016

Patent applications in class Sound waves

Patent applications in all subclasses Sound waves

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