Class / Patent application number | Description | Number of patent applications / Date published |
210738000 | Including agitation | 32 |
20080237140 | Fluid Phase Distribution Adjuster - A fluid phase distribution adjuster (10) comprises two or more tubes (14) arranged to provide a plurality of separate flow paths for fluid. Means are provided for generating a radial acceleration of fluid flowing through each tube so as to promote movement of at least one fluid phase towards or away from a wall of the tube. The adjuster can be used as a coalescer for increasing the size of droplets in a distributed fluid phase carried by a continuous fluid phase, or as a mixer for mixing fluid phases. | 10-02-2008 |
20080251465 | METHOD AND APPARATUS FOR REMOVING SUSPENDED SOLIDS FROM AQUEOUS FLUIDS - An apparatus for cleaning solids-laden aqueous fluids includes a settling tank having a sloping floor, which drops off into a collection area; primary and secondary mixing tanks, the lower regions of which are in fluid communication via fluid transfer means; and agitators in each of the mixing tanks. Solids-laden fluid is introduced into the primary mixing tank along with selected coagulant and/or flocculent chemicals, whereupon the agitator in the primary mixing tank is actuated to induce downward fluid flow toward the fluid transfer means and into the secondary mixing tank. The agitator in the secondary mixing tank is actuated to induce upward fluid flow in the secondary mixing lank, from which the fluid mixture overflows into the setting tank. Solids settle or precipitate into the settling tank, and move the settling tank's sloped floor and into the collection area, from which the solids can be removed for further treatment or disposal. Clean water is collected from the upper region of the settling lank, preferably via a spillway along the perimeter of the settling tank. | 10-16-2008 |
20080257828 | SYSTEMS AND METHODS FOR REDUCTION OF METAL CONTAMINANTS IN FLUIDS - Wastewater steams may include one or more metal contaminants. In various embodiments, a wastewater stream may be sent to a fluid treatment system to reduce the amount of metal contaminants in the wastewater stream. In some embodiments, a fluid treatment system may include a first vortex nozzle unit positioned in an opposed relation to a second vortex nozzle unit. Contacting the wastewater stream exiting the first vortex nozzle unit with the wastewater stream exiting the second vortex nozzle unit may precipitation of one or more metal contaminants in the wastewater steam. | 10-23-2008 |
20090078650 | METHOD AND DEVICE FOR THICKENING SLUDGE CARRIED ALONG IN WASTE WATER - In one embodiment, the present invention relates to a method for thickening sludge carried along in waste water, wherein the waste water is subjected to a pretreatment reinforcing the flocculation and is subsequently introduced in the direction of gravity into a bath so as to separate the sludge from the water, in which the sludge particles descend under the action of gravity and are removed in the lower portion of the bath characterized in that the waste water, upon its introduction into the bath, is flowed against a baffle, by which the flow of the waste water in the bath is deflected. | 03-26-2009 |
20090200244 | METHOD AND DEVICE FOR SHEAR-THINNING OF SOLIDS CONTAINING MATERIAL - This invention relates to a method and device to be used in connection with thickening and clarifying apparatuses for shear-thinning of solids containing material such as slurry. According to the invention the flow area of the shear-thinned material ( | 08-13-2009 |
20100096337 | ULTRASONICALLY INDUCED CAVITATION OF FLUOROCHEMICALS - A system for the treatment of groundwater is described, the system including: a first component for placement into a groundwater table, the first component having a first end and a second end and an interior space defined by an inner wall and extending between the first end and the second end; at least one ultrasonic transducer positioned with the interior space of the first component to provide ultrasonically induced cavitation to a volume of water within the interior space; a pump associated with the first end of the first component to draw water from the groundwater table into the interior space of the first component; an outlet associated with the second end of the first component, the outlet positioned to direct a volume of water away from the first component after the water has passed therethrough; a power supply; and a radio frequency generator capable of providing a radio frequency within the range from about 15 kHz to about 1100 kHz. A process for the treatment of fluorochemicals in an aqueous environment is also described, the process utilizing the foregoing system. | 04-22-2010 |
20100264093 | METHOD FOR REMOVING SUSPENDED SOLIDS FROM AQUEOUS FLUIDS - A method for cleaning solids-laden aqueous fluids uses an apparatus comprising a settling tank having a sloping floor, which drops off into a collection area; primary and secondary mixing tanks, the lower regions of which are in fluid communication via fluid transfer means; and agitators in each of the mixing tanks. Solids-laden fluid is introduced into the primary mixing tank along with selected coagulant and/or flocculent chemicals, whereupon the agitator in the primary mixing tank is actuated to induce downward fluid flow toward the fluid transfer means and into the secondary mixing tank. The agitator in the secondary mixing tank is actuated to induce upward fluid flow in the secondary mixing tank, from which the fluid mixture overflows into the setting tank. Solids settle or precipitate into the settling tank, and then move downward along the settling tank's sloped floor and into the collection area, from which the solids can be removed for further treatment or disposal. Clean water is collected from the upper region of the settling tank, preferably via a spillway along the perimeter of the settling tank. | 10-21-2010 |
20100314327 | PLATFORM TECHNOLOGY FOR INDUSTRIAL SEPARATIONS - A method and system for treating a fluid stream includes inputting a fluid stream to an input section of the fluid treatment system and receiving the fluid stream via spiral mixer-conditioner. The spiral mixer-conditioner mixes and conditions the input stream. Thereafter the mixed and conditioned fluid stream is input to a spiral separator where the mixed and conditioned fluid stream is separated into at least two fluid streams, a first fluid stream having particulates in the input stream removed, and the second fluid stream having the particulates in the input fluid stream concentrated. | 12-16-2010 |
20110006014 | System and Method For Process and Waste Water Filtration - A system and method for filtering caster rinse water. A flocculating agent is added to caster rinse water and the mixture is agitated first at high-speed and then at low-speed to promote flocculation. The flocked solids are removed from the caster rinse water using a filtration unit and the filtered water is stored for reuse. | 01-13-2011 |
20110180484 | SEPARATION DEVICE WITH DUAL DRIVES AND A METHOD OF REDUCING DONUTTING IN A SEPARATION DEVICE - The invention provides a separation device ( | 07-28-2011 |
20110253635 | FLUID CLARIFICATION SYSTEM, METHOD, AND APPARATUS - A fluid clarification system and method is described in which fluid is passed through one or more settling compartments, each having a solids outlet at the base of the compartment. The base of each compartment includes inclined surfaces for guiding settled solids to the outlet. Also described is a polymer reaction trough including baffles to promote gentle mixing of inflow fluid with flocculant. The system is designed to reduce costs of transportation, flocculant, and solids handling. The system is preferably arranged to facilitate transport on a skid or trailer, while maximizing fluid handling capabilities and minimizing costs. | 10-20-2011 |
20120012533 | NANOPARTICLE FILTER - Technologies are generally described for a nanoparticle filter and system effective to move a nanoparticle from a fluid to a location. In some examples, the method includes providing the fluid including the nanoparticles. In some examples, the method further includes applying a first light to the fluid to create a first plasmon. In some examples, the first plasmon is effective to aggregate the nanoparticles to generate a nanoparticle aggregation. In some examples, the method includes applying a second light to the fluid to create a second plasmon. In some examples, the second plasmon is effective to move the nanoparticle aggregation to a location. | 01-19-2012 |
20120012534 | Thickener/Clarifier Feedwell Assembly with Infeed Rotation - A feedwell assembly for a thickener/clarifier includes a feedwell body, at least one infeed conduit connected at a downstream end to the body, and at least one spin or rotation inducement element disposed as part of the infeed conduit for imparting rotation or spin to a slurry stream fed to the feedwell body via the infeed conduit. The spin or rotation inducement element may be a fixed and rigid structural member such as a vane or baffle, or include actively operated elements. Multiple such spin or rotation inducement elements may be provided in various locations in or adjacent the infeed conduit. | 01-19-2012 |
20120055882 | APPARATUS AND METHOD FOR COLLECTING SOLID MICROPARTICLES FLOATING IN WATER - The present invention relates to an apparatus and method for collecting solid microparticles floating in water, and more particularly, to a safe, ease to use, and environmental friendly collecting apparatus and method adapted for collecting radioactive solid microparticles floating and depositing in a cooling water tank of nuclear facility or a tank for storing radioactive materials. | 03-08-2012 |
20120145647 | ELECTROCOAGULATION SYSTEM - An electrocoagulation system including a dosing unit, a mixing unit and a buffer tank is provided. The dosing unit receives a fluid from an external source and injects an electrochemically generated coagulant into the fluid using one or more pairs of electrodes. The mixing unit mixes the coagulant with the fluid and is separate from the dosing unit. The buffer tank holds the fluid until particles contained in the fluid grow to a predetermined size. | 06-14-2012 |
20120193297 | METHOD AND APPARATUS FOR CONTINUOUS FLOW MEMBRANE-LESS ALGAE DEWATERING - In one aspect of the presently described embodiments, the system comprises an inlet to receive at least a portion of the fluid containing algae, a curved channel within which the fluid containing algae flows in a manner such that the neutrally buoyant algae flow in a band offset from a center of the curved channel, a first outlet for the fluid with algae within which the band flows, and, a second outlet for the remaining fluid. | 08-02-2012 |
20120193298 | PLATFORM TECHNOLOGY FOR INDUSTRIAL SEPARATIONS - A method and system for treating a fluid stream includes inputting a fluid stream to an input section of the fluid treatment system and receiving the fluid stream via spiral mixer-conditioner. The spiral mixer-conditioner mixes and conditions the input stream. Thereafter the mixed and conditioned fluid stream is input to a spiral separator where the mixed and conditioned fluid stream is separated into at least two fluid streams, a first fluid stream having particulates in the input stream removed, and the second fluid stream having the particulates in the input fluid stream concentrated. | 08-02-2012 |
20120223023 | SLUDGE SEPARATION DEVICE AND METHOD FOR ITS USE - A device for dewatering sewage sludge and a method for its use is provided. The device affords separation by causing a sludge concentrate to flow at sufficiently slow rates to cause the gel-like concentrate to fracture and release trapped water. Sewage sludge dewatered according to the method and utilizing the device can be directly burned or directly introduced into a landfill. Certain embodiments of the device can be transported to a site where the dewatering process is carried out and certain embodiments of the device can be further utilized to transport dewatered sludge from the dewatering site to a further disposal site. | 09-06-2012 |
20120228233 | APPARATUS AND METHOD FOR FLUID MIXING - There is provided an apparatus and method for fluid mixing, which enable mixing efficiency to be enhanced and enable a lodging impurity to be easily removed. A liquid, powder, or the like is added from a pipe | 09-13-2012 |
20130168326 | FLOCCULENT ADDITION AND MIXING RATE FOR SEPARATING A SLURRY - The invention concerns a method for separating solid and liquor components of a process slurry comprising solid material entrained in a liquor, said method comprising: (a) a pre-treatment step of adding a flocculent to the process slurry and mixing the flocculent and the slurry by selecting a higher extent of mixing in an early stage of said step than in a later stage of said step, and (b) a solid/liquor separation step of allowing separation of solid material, including aggregates of solid material, and liquor of said process slurry to produce process outputs of a clarified liquor and solid material with some entrained liquor. The invention also concernes a method and an apparatus for adding a flocculent to a process slurry. | 07-04-2013 |
20130200004 | METHOD AND APPARATUS FOR SEPARATING LOW DENSITY PARTICLES FROM FEED SLURRIES - In a method and apparatus for separating low density particles from feed slurries, a bubbly mixture is formed in a downcomer and issues into a mid region in a chamber. An inverted reflux classifier is formed by parallel inclined plates below the mid region allowing for efficient separation of low density particles which rise up to form a densely packed foam in the top of the chamber, and denser particles which fall downwardly to an outlet. | 08-08-2013 |
20130240457 | Feed Dilution System for a Thickener or Settling Tank - In a feed dilution system and method for a thickener or settling tank, a feed pipe nozzle has an outlet opening or orifice configured to generate an initial stream of slurry from the feed pipe into an upstream end of a mixing conduit wherein the stream is extended from a first side of the mixing conduit to a substantially opposite second side in a first direction transverse to the mixing conduit so as to enhance entrainment of dilution fluid flow into the slurry stream and concomitantly produce a substantially uniform solids concentration across a stream flowing from the mixing conduit into the feedwell. The outlet opening is generally shaped asymmetrically towards a third side of the mixing conduit in a second direction transverse to the mixing conduit so as to bias the initial stream of slurry towards the one side, where the second direction is substantially perpendicular to the first direction. | 09-19-2013 |
20130292342 | COMPOSITION AND SYSTEM FOR FLOCCULATING OR SETTLING SOLIDS FROM LIQUIDS AND METHODS FOR USING SAME - A system and method for treating water or sewage is provided. The system can include a screening tank, a septic tank, a flocculant and mixing reactor, a primary clarifier, a secondary clarifier, a sludge dewatering tank, a surge tank, one or more filter tanks and a disinfection tank. The method can include the steps of receiving water or sewage to be treated and passing it through a screening tank and septic tank, a flocculant reactor, a primary clarifier, a secondary clarifier, a sludge dewatering tank, a surge tank, one or more filter tanks and a disinfection tank. | 11-07-2013 |
20140175020 | VARIABLE FLOW SELF-DILUTING FEEDWELL SYSTEM - In a feed dilution system and method for a thickener or settling tank, a feed pipe nozzle has a variable orifice configured to provide an infeed slurry flow stream of substantially constant velocity. The feed pipe orifice is disposed in a mixing conduit proximate an upstream end thereof, while a downstream end of the mixing conduit is functionally attached to a feedwell inside the thickener or settling tank, so that the mixing conduit communicates with the feedwell. Where a diluting liquid is introduced into the mixing conduit, the variable-orifice nozzle ensures a substantially uniform degree of dilution of the influent slurry feed stream by the diluting liquid. | 06-26-2014 |
20140311990 | TURBULENCE INDUCING DEVICE AND METHODS OF USE - A turbulence inducing device is described. Embodiments of the device include a nozzle ( | 10-23-2014 |
20140319072 | FLUID FILTRATION SYSTEM - A method of filtering a fluid, including flowing a fluid from a first side of a filter member to a second side of the filter member, the fluid containing dissolved impurities. In addition, the method includes inducing fluid cavitation within the fluid to precipitate out at least a portion of the dissolved impurities. Further, the method includes controlling a pressure differential across the filter member. Still further, the method includes, maintaining or further inducing the fluid cavitation within the fluid in response to controlling the pressure differential. Related systems are also disclosed. | 10-30-2014 |
20140319073 | FLUID FILTRATION SYSTEM - A method of filtering a fluid includes flowing a fluid into a filter assembly. The filter assembly includes a vessel defining a pressure chamber and a filter screen disposed within the vessel. The screen divides the pressure chamber into a first subchamber and a second subchamber. In addition, the method includes flowing the fluid from the first subchamber to the second subchamber, and controlling a first pressure of the first subchamber relative to a second pressure of the second subchamber to induce cavitation in the flowing fluid. Further, the method includes precipitating out dissolved impurities within the fluid during the cavitation. | 10-30-2014 |
20150048031 | Orifice plate flocculation process - In the water treatment industry, the present mechanical flocculation systems and over/under or channel side to side static flocculation systems have been utilized. These static flocculation systems are inefficient and require additional head loss and also require more basin volumes to produce a good flocculation. The mechanical flocculation systems use power and are subject to oil leak to drinking water sources. The orifice plate flocculation is an innovative technology in water treatment flocculation process that is more efficient, operator friendly, and requires less capital cost. The orifice plate flocculation system can also increase the flocculation capacities of existing mechanical flocculation basins up to 100% without any additional basin. | 02-19-2015 |
20150307377 | PROCESS FOR MAKING WATER DRINKABLE - A process for making an aqueous solution containing solids in suspension drinkable, includes a coagulation-flocculation step, which includes the steps of: a) adding coagulants to the aqueous solution to be treated; b) stirring the aqueous solution to which coagulants were thus added; c) separating the coagulated solids by settling out or flotation; d) recovering purified water; wherein the coagulants added in step a) include metal salts chosen from ferric salts and aluminum salts, and also a liquid starchy composition including a cationic waxy starch, the cationic starch having, when it is placed in the form of an aqueous composition, a viscosity, measured according to a test A, greater than 100 mPa·s and less than 1000 mPa·s, this test A consisting in adjusting the dry weight of cationic waxy starch of the aqueous composition to 10% and then measuring the Brookfield viscosity at 25° C. of the resulting composition. | 10-29-2015 |
20160090312 | METHOD FOR MIXING INDUSTRIAL WASTE WATER WITHIN A GRAVITY SETTLING TANK - A method for static mixing in a waste water settling tank to increase the percentage of recovery of entrained solids from the waste water comprising a settling tank having a hopper bottom defining a sludge hopper, a deflector dome centrally disposed within the space contained in the hopper bottom, and an inlet pipe for introduction of waste water containing second entrained solids into the settling tank and having a discharge outlet in proximity to the underside of the deflector dome. Influent waste water is directed vertically upward into the center of the deflector dome which distributes the influent radially into contact, preferably turbulent, with previously introduced waste water containing first entrained solids to cause coalescence of the first and second entrained solids to form larger particles having increased settling velocity. | 03-31-2016 |
20160130167 | APPARATUS AND METHOD FOR TREATING SLURRIES - An apparatus for treating slurries, in particular biogenic or industrial slurries, can include at least one treatment rotor which is arranged or can be arranged in the slurry and which rotates or is rotatable about an axis of rotation (R), with treatment elements which project outward, as seen from the axis of rotation (R), and between which interspaces are formed, at least some of the treatment elements having, at—at least one, preferably each—adjacent interspace, in each case at least one treatment edge, preferably at least two treatment edges spaced apart from one another, each of these treatment edges running from the inside outward, as seen from the axis of rotation. Methods for treating slurries are also disclosed, including methods using the apparatus for treating slurries. | 05-12-2016 |
20160158669 | Interface And Mud Control System And Method For Refinery Desalters - A method and system for controlling an interface emulsion layer within an oil treatment vessel includes injecting a water flow through a plurality of radial eductors arranged about a radial eductor manifold located in the brine water layer. Each radial eductor is oriented vertically to the radial eductor manifold and the horizontal axis of the oil treatment vessel. The water flow through the plurality of radial eductors causes a swirling flow pattern in a volume of water around each radial eductor that is effective for promoting a collapse of the interface emulsion layer. The water flow through each radial eductor, which may be a recycled water flow, is preferably in a range of 1 to 5 feet per minute. | 06-09-2016 |