Patents Examined by Peter Keyworth
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Patent number: 11696566Abstract: The present invention relates to water feeder technical field, more particularly to a filter assembly and a portable water feeder. The filter assembly includes a tray and a filter piece; the tray comprises a bottom frame with a bottom plate and a supporting wall and a supporting ring, the supporting wall is arranged around its circumference of the bottom plate and extends upward, the supporting wall and the bottom plate are jointly surrounded to form a cavity, and the bottom plate is provided with a number of filter holes; the supporting ring is arranged above the bottom frame and is connected to its top of the supporting wall, the filter piece is placed in the cavity. When the filter assembly is used, water flows from the filter hole into the filter piece, and the filter assembly has the advantages of simple and compact structure.Type: GrantFiled: November 12, 2019Date of Patent: July 11, 2023Inventor: Silong Chen
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Patent number: 11691900Abstract: A trap apparatus of condensate water according to the present invention comprises: a neutralizing part including an inlet through which condensate water is introduced, an internal space for containing a neutralizing agent for neutralizing the introduced condensate water, and a condensate water passage through which the condensate water that was neutralized by the neutralizing agent in the internal space is discharged; a discharge part including a storage space for storing the condensate water which is directly or indirectly introduced through the condensate water passage, an outlet which is open in a circular shape so as to discharge the stored condensate water, and a spherical ball capable of closing the outlet by being seated on the outlet, wherein the ball is spaced from the outlet by buoyancy of the condensate water when the condensate water is contained in the storage space above a critical water level, such that the condensate water can be discharged through the outlet, and the condensate water can be nType: GrantFiled: November 2, 2018Date of Patent: July 4, 2023Assignee: Kyungdong Navien Co., Ltd.Inventors: Jun Kyu Park, Sung Cheul Cho, Sung Jun Ahn
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Patent number: 11684932Abstract: “VINASSE TREATMENT PROCESS BY FLOTATION IN FLOW”, more precisely, it is a vinasse treatment process, by high performance flowing flotation system in industrial plants' facilities, resulting in obtaining concentrated vinasse sludge and treated vinasse, being said process comprised by vinasse treatment, which consists of treatment steps performed inside flotation tank, which comprises succession of coagulation systems and basins, flocculation, combined with aeration and oxygenation, in addition to a system of nano and micro bubbles in flotation basin, in which vinasse naturally flows into its storage tank, being said process results in formation of surface sludge and treated vinasse.Type: GrantFiled: November 19, 2020Date of Patent: June 27, 2023Assignee: DT ENGENHARIA DE EMPREENDIMENTOS LTDAInventors: João Carlos Gomes De Oliveira, Procópio Gomes De Oliveira Netto, Felipe Gomes De Oliveira, Daniel Gomes De Oliveira
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Patent number: 11666924Abstract: Apparatuses and methods for selectively transmitting objects of interest from a first reservoir to a second reservoir are disclosed. The apparatuses include electromagnetic focusing apparatuses configured to interact with objects of interest to induce a change in a property of the objects of interest so as to increase or decrease the probability that the objects of interest pass through a throat diffusively coupling the first reservoir and the second reservoir.Type: GrantFiled: February 15, 2019Date of Patent: June 6, 2023Inventor: Paul Neiser
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Patent number: 11661361Abstract: An enhanced coagulation method for removing microplastics in water is provided. First, a certain amount of inorganic suspended particles are added to microplastic wastewater to increase the number of particles and thereby improve a collision probability among the particles; and then a natural polymer flocculant and a polysilicic acid are added. The polysilicic acid is used as coagulant aid, so that the three materials can comprehensively achieve the purpose of removing the microplastics in the wastewater. The enhanced coagulation method can combine respective characteristics and advantages of the three materials, so that the three materials can mutually complement each other and give full play to the role of charge neutralization and bridging and net capturing, strengthen the sedimentation performance and enhance the actual microplastic removal effect. Therefore, it is a green and environmentally-friendly enhanced coagulation technology.Type: GrantFiled: May 8, 2022Date of Patent: May 30, 2023Assignee: NANJING UNIVERSITYInventors: Hu Yang, Yunong Tang, Pan Hu
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Patent number: 11661362Abstract: A point-source wastewater neutralization system for collecting and treating wastewater discharged by a point-source. The system includes a container coupled to the drain of the point-source to receive the untreated liquid. The container supports wastewater neutralization media for treating and neutralizing the wastewater. The system also includes an insert assembly to retain the wastewater neutralization media in the container and assist in the exchange of the media.Type: GrantFiled: January 21, 2020Date of Patent: May 30, 2023Assignee: Zurn Industries, LLCInventors: Christopher J. Say, Adam F. Wagner
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Patent number: 11661359Abstract: Fluid treatment systems and components are provided for a removal of solid matter from water or other fluids in which a chemical or chemicals may be introduced into the fluid under pressure to coagulate and/or conglomerate the solid materials and cause them to be dropped out of the treatment system and be removed. The fluid treatment system can include: an equalization chamber receiving a wastewater; a clarification chamber receiving a partially separated water from the equalization chamber; a mixing tube having an inlet end and an outlet end; and a sludge detector.Type: GrantFiled: April 21, 2020Date of Patent: May 30, 2023Assignee: CWC Clear Water Clarification Technologies Inc.Inventors: Blaine Barbour, Michael Blair, Vernon John Gattinger, Gary William Gough, Blake Penna, Darren Nigel Valantine
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Patent number: 11655171Abstract: The wastewater treatment apparatus of present invention has an electro-coagulation unit for removing contaminants with at least one anode and at least one cathode and an electro-oxidation unit for oxidizing contaminants with at least one anode and at least one cathode wherein oxidants are electrochemically generated. Based on the type of wastewater, the apparatus can have an electro-flotation unit between the electrocoagulation unit and the electro-oxidation unit. The apparatus also has an oxidant removal unit which can have a metal ion-liberating electrode for reacting with and removing residual oxidants. In some cases, portions of effluent from the oxidant removal unit can be recirculated to the electro-coagulation unit for increased efficiency.Type: GrantFiled: June 17, 2019Date of Patent: May 23, 2023Inventors: Nicole Alice Poirier, Valérie Leveillé
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Patent number: 11629077Abstract: A sewage treatment device includes a fluidized bed body, a reflux device and a chemical feeding device. The fluidized bed body is sequentially provided with a sedimentation zone, a transition zone and a fluidization zone from top to bottom. The reflux device is connected to the fluidized bed body through a reflux pipe. The reflux pipe extends into the fluidized bed body from the sedimentation zone, and the granularity of a crystal product can be controlled by changing the height of a reflux inlet at the bottom end of the reflux pipe in the fluidized bed body. By controlling the position of the reflux inlet of the reflux pipe in the fluidized bed body, combining product granularity requirements, and adjusting an insertion depth of the reflux pipe, the granularity of a final product can be flexibly regulated and controlled, and meanwhile, a product recovery rate is improved.Type: GrantFiled: September 18, 2021Date of Patent: April 18, 2023Assignee: INSTITUTE OF URBAN ENVIRONMENT, CHINESE ACADEMY OF SCIENCESInventors: Xin Ye, Shaohua Chen, Minquan Chen
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Patent number: 11623879Abstract: The present disclosure provides an application of a titanium carbide/porous carbon composite in electrochemical treatment of uranium-containing wastewater, and belongs to the technical field of wastewater treatment. The present disclosure provides the application of the titanium carbide/porous carbon composite in electrochemical treatment of uranium-containing wastewater. Titanium carbide (TiC) is a typical transition metal carbide and has good conductivity and excellent chemical stability; compared with a titanium dioxide/carbon nanomaterial, the titanium carbide/porous carbon composite has a rich pore structure that provides a large number of activated adsorption sites for adsorption of metal ions during electro-adsorption, so that the electro-adsorption efficiency can be substantially improved, and a better electro-adsorption effect is obtained.Type: GrantFiled: July 28, 2022Date of Patent: April 11, 2023Assignee: Beijing Research Institute of Chemical Engineering MetallurgyInventors: Lechang Xu, Lei Zhou, Yang Peng, Mingtao Wu
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Patent number: 11623882Abstract: The invention relates to a method and device for clarifying water by means treatment of the colloidal structures contained in a liquid and/or a sludge supplied in a continuous flow at a flow rate of QEB=VEB/hour. The flow is sprayed into a chamber under overpressure conditions in relation to atmospheric pressure, said chamber having a volume v<VEB/20, and air being injected simultaneously therein at a flow rate d.Type: GrantFiled: July 20, 2018Date of Patent: April 11, 2023Assignee: OregeInventors: Patrice Capeau, Michel Lopez, Pascal Gendrot
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Patent number: 11618697Abstract: Methods and systems for treating oil sands tailings streams using multiple dosages of lime are disclosed herein. In some embodiments, the method comprises providing a tailings stream including 3-40% solids by total weight, combining the tailings stream with a first dosage of lime to produce a first mixture having a pH of less than 12.0, and then combining the first mixture with a polymer to produce a second mixture. In some embodiments, the method can further include combining the second mixture with a second dosage of lime to produce a third mixture having a pH greater than 12.0, and dewatering the third mixture in a centrifuge unit and/or a pressure filtration unit to produce a product stream having 55% or more solids by weight.Type: GrantFiled: May 10, 2021Date of Patent: April 4, 2023Assignee: Graymont Western Canada Inc.Inventors: Jesse Wayne Fox, Michael John Tate, Jared Ira Leikam, Nikolas Andrei Romaniuk
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Patent number: 11617973Abstract: A sub-component of a replaceable filter element that is interfacably sealing a standpipe includes an end cap, said second end cap defining a first central opening; a central tube extending from the first central opening of the second end cap, wherein the central tube defines an inner surface, an outer surface and a top surface, wherein the top surface defines a second central opening, wherein the central tube includes an actuator excluding keys, free ends, or projections; and a standpipe seal disposed proximate the top surface of the central tube, wherein the standpipe seal defines a third central opening.Type: GrantFiled: January 25, 2021Date of Patent: April 4, 2023Assignee: MANN+HUMMEL Filtration Technology US LLCInventors: Willie L. Stamey, Jr., Mark A. Roll, Robert H. Ferguson
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Patent number: 11618039Abstract: A separation device includes: a container that includes a storage portion for storing liquid containing magnetic particles; and a coil that separates the magnetic particles from the liquid by generating a magnetic field through application of current, causing a magnetic force to act on the magnetic particles in a state where the coil stops with respect to the storage portion, and causing the magnetic particles to move from the storage portion against gravity acting on the liquid containing the magnetic particles.Type: GrantFiled: September 28, 2020Date of Patent: April 4, 2023Assignee: FUJIFILM CorporationInventors: Yoshihisa Usami, Yasuyuki Ishii, Yuki Inoue, Aya Ouchi
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Patent number: 11612898Abstract: The present embodiments generally relate to a technology for improving Cu/Mo grade by the addition of cationic polymers as selective depressants for acid insoluble matters, e.g., silicates and/or clays, in the flotation circuit. Various types of cationic polymers are demonstrated to be effective depressants including polyamine, polyDADMAC, and cationic polyacrylamide. Also disclosed are processes for enriching a desired mineral from an ore comprising the desired mineral and gangue, wherein the process comprises carrying out a flotation process in the presence of one or more cationic polymer depressants.Type: GrantFiled: August 30, 2017Date of Patent: March 28, 2023Assignee: KEMIRA OYJInventors: Marcelo Moreira Costa, Xihui Yin, Sergio Cabo
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Patent number: 11596952Abstract: The invention relates to esterquats which can be obtained by reacting di- or trialkanolamines with a mixture of fatty acids and polycarboxylic acids, and the esters obtained in this manner are then quaternized with an alkylating agent, wherein the di- or trialkanolamines correspond to formula (I), in which R1 and R2 independently of one another represent hydroxyalkyl groups with 1 to 20 carbon atoms, hydroxyalkenyl groups with 2 to 20 carbon atoms and 1, 2, or 3 double bonds, or addition products of 1 to 20 mol ethylene oxide on a hydroxyethyl group and R3 represents hydrogen, an alkyl group with 1 to 20 carbon atoms, an alkenyl group with 2 to 20 carbon atoms and 1, 2, or 3 double bonds, a hydroxyalkyl group with 1 to 20 carbon atoms, a hydroxyalkenyl group with 2 to 20 carbon atoms and 1, 2, or 3 double bonds, or addition products of 1 to 20 mol ethylene oxide on a hydroxyethyl group; the fatty acids correspond to formula (II), R4—COOH??(II) in which R4 represents an aliphatic, linear, or branched hydType: GrantFiled: January 16, 2018Date of Patent: March 7, 2023Assignee: CLARIANT INTERNATIONAL LTDInventors: Matthias Arndt, Klaus-Ulrich Pedain, Pia Mueller, Gemma Solduga Ramirez, Yves Schunk, Jozef Kochan
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Patent number: 11583868Abstract: Apparatus and methods configured for cyclonic froth separation are disclosed. Exemplary implementations may: provide slurry into a first volute; provide fluid communication between the first volute and an interior of a porous barrier; receive pressurized gaseous fluid through a body wall to an exterior of the porous barrier; provide fluid communication between the exterior of the porous barrier and the interior of the porous barrier; facilitate flows of pressurized gas through the porous barrier; receive outputted froth and output froth to the exterior of the apparatus; provide fluid communication between the interior of the porous barrier and the second volute; retain froth within the interior of the porous barrier; receive slurry exhausted from the interior of the porous barrier; provide fluid communication of exhausted slurry to the exterior of the apparatus.Type: GrantFiled: February 3, 2021Date of Patent: February 21, 2023Assignee: Narmer-engsim LLCInventors: Hassan Elhady Hassan Mohamed Fayed, Heba Ahmed ELsaid Abdelrahman Elsewidy
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Patent number: 11582943Abstract: A method and apparatus for collecting agricultural manure in a confined animal feeding operation includes a separator which receives heavy manure removing particulate from suspension to produce light manure. Heavy manure is collected to a volume of heavy manure sufficient to substantially fill the first tank. Within the first tank, particulate migrates, due to the influence of gravity to form a layer containing manure comprising a lesser density of particulate than is present in the volume of heavy manure. Additional heavy manure buoys the layer such that the upper surface exceeds a height of a weir. The weir is situated in a channel communicating between the first tank and a second tank configured to receive light manure from the separator.Type: GrantFiled: May 4, 2015Date of Patent: February 21, 2023Assignee: Dari-Tech, Inc.Inventor: David DeWaard
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Methods of treating water to remove contaminants and water treatment plants for the practice thereof
Patent number: 11572294Abstract: The present disclosure relates to methods of treating water to remove contaminants, including harmful metal ions, and water treatment plants for practicing such methods. In an embodiment, the process includes adding a sulfur-containing, metal-decreasing agent; an iron (III)-containing, metalloid-decreasing agent; forming a solid precipitate from the contaminated water, wherein the solid precipitate includes a solid metal sulfide, a solid iron metalloid, a solid calcium metalloid, or a combination thereof; and separating the contaminated water from the solid precipitate to form purified water.Type: GrantFiled: November 8, 2018Date of Patent: February 7, 2023Inventor: Carl C. Nesbitt -
Patent number: 11565959Abstract: A method of increasing operational efficiency of a power plant includes determining an average rate of accumulation of scale-forming compounds in a cooling water source, directing water from the cooling water source having a first concentration of scale forming compounds through a treatment system to produce a treated water having a lower concentration of scale-forming components than the first concentration by operating the treatment system with operating parameters selected such that a rate of removal of the scale-forming components from the water in the treatment system is greater than the average rate of accumulation of the scale-forming components, directing the treated water back into the cooling water source, and circulating water including the treated water from the cooling water source through a cooling system of the power plant.Type: GrantFiled: April 15, 2021Date of Patent: January 31, 2023Assignee: Evoqua Water Technologies LLCInventors: Carol Jones, Justin Wayne Higgs