Patents Examined by Bradley R Spies
  • Composition and method for removing impurities from a fluid
    Patent number: 11247920
    Abstract: A product and method for removing contaminants from a stream of water in which the product according to the invention is mixed into a contaminated water stream and is reacting with contaminants into forming large easily separable anglomates. There are also disclosed uses of the method and the product for the separation of contamination from liquids.
    Type: Grant
    Filed: September 3, 2018
    Date of Patent: February 15, 2022
    Assignee: M Vest Water ASA
    Inventor: Atle Mundheim
  • Method for processing a protein-containing suspension or protein-containing solution
    Patent number: 11247178
    Abstract: The invention relates to a method for the processing of protein-containing suspensions or solutions, for example for concentrating or purifying the protein-containing particles or dissolved protein-containing substance contained in the suspensions or solutions, wherein the protein-containing suspensions or solutions are filtered by means of a filter module and the protein-containing particles or dissolved protein-containing substance retained in the filter module are conveyed out of the filter module by means of a backwashing fluid.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: February 15, 2022
    Assignee: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Liubov Smyslova, Juliane Feurle
  • Sour water treatment
    Patent number: 11247919
    Abstract: A system and method of treating sour water, including providing sour water having hydrosulfide ions and a carbon-containing compound to an anodic chamber of an electrolyzer vessel, converting the hydrosulfide ions into sulfate ions in the anodic chamber via an oxido half-reaction of a first oxido-reduction reaction and generating carbon dioxide in the anodic chamber via an oxido half-reaction of a second oxido-reduction reaction associated with the carbon-containing compound. The technique includes reacting the carbon dioxide with hydroxide ions in the anodic chamber to generate bicarbonate ions. The technique includes discharging an anodic chamber solution having the sulfate ions and the bicarbonate ions from the electrolyzer vessel from the anodic chamber.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: February 15, 2022
    Assignee: Saudi Arabian Oil Company
    Inventor: Guillaume Robert Jean-Francois Raynel
  • Separator system with viscosity-based sand-level sensor
    Patent number: 11235263
    Abstract: A separation system and method, of which the system includes a separation device comprising a mixed fluid inlet, a first outlet, and a second outlet, a tank coupled to the second outlet and configured to receive a solid from the separation device via the second outlet, and a solids-level sensor extending through the tank and positioned at an elevation above a bottom of the tank. The solids-level sensor is configured to detect a viscosity of a material within the tank at the elevation.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: February 1, 2022
    Assignee: ENERCORP ENGINEERED SOLUTIONS INC.
    Inventors: Nikolay Spiridonov, Rory Nagge, Tien Nguyen
  • Advanced filtration membranes using chitosan and graphene oxide
    Patent number: 11235291
    Abstract: A composition of five parts by mass of chitosan and one part graphene oxide is suspended in water. The composition may be used to form filtration layers of any size or shape and may be reinforced by additional layers. The composition may be used to construct a large filtration apparatus of any size or shape and may be used to form highly resilient, antimicrobial structures and surfaces for a variety of applications.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: February 1, 2022
    Assignee: UNITED STATES of AMERICA AS REPRESENTED BY THE SECRETARY OF THE ARMY
    Inventors: Victor F Medina, Christopher S Griggs, Jose Mattei-Sosa, Brooke Petery, Luke Gurtowski
  • Modular extraction apparatus
    Patent number: 11229880
    Abstract: Apparatuses and methods for extracting desired chemical species including, without limitation, lithium, specific lithium species, and/or other chemical compounds from input flows in a modular unit. The input flows may be raw materials in which lithium metal and/or lithium species are dissolved and/or extracted. The apparatuses and methods may include daisy chain flow through separate tanks, a column array, and combinations thereof.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: January 25, 2022
    Inventor: John Burba
  • Method for treating produced water
    Patent number: 11230478
    Abstract: A method for treating produced water in a system for treating wastewater is disclosed. The system includes a reverse osmosis unit for removing dissolved solids. The reverse osmosis unit produces a permeate and concentrate. To reduce the fouling potential of the membranes associated with the reverse osmosis unit and/or to increase membrane lifetime and/or to increase system recovery, at least a portion of the concentrate is recycled and mixed with the wastewater stream at a point upstream of the reverse osmosis unit.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: January 25, 2022
    Assignee: Veolia Water Solutions & Technologies Support
    Inventors: John A. Korpiel, LNSP Nagghappan, Brad Biagini
  • Method and system for extracting long chain dicarboxylic acid
    Patent number: 11229881
    Abstract: The present disclosure provides a method and a system for extracting long chain dicarboxylic acid, the method comprising: (1) subjecting a long chain dicarboxylic acid fermentation broth to a primary membrane filtration treatment to give a first filtrate; subjecting the first filtrate to decolorization, acidification/crystallization, and solid-liquid separation treatments to give a first solid; (2) mixing the first solid, a base and water to form a solution; subjecting the solution to a secondary membrane filtration treatment to give a second filtrate; subjecting the second filtrate to decolorization, acidification/crystallization, and solid-liquid separation treatments to give a second solid; and (3) mixing the second solid and water to form a mixture; subjecting the mixture to a thermostatic treatment at 105-150° C., followed by cooling for crystallization and solid-liquid separation treatment.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: January 25, 2022
    Assignees: Cathay Biotech Inc., CIBT America Inc., Cathay (Jinxiang) Biomaterial Co., Ltd.
    Inventors: Chen Yang, Shuhua Zhang, Yufeng Yang, Xiucai Liu
  • Kit for separating and concentrating body fluid cells
    Patent number: 11224368
    Abstract: A kit for separating and concentrating body fluid cells is provided. The kit includes a first sealing cap provided with a first close contact body; a first cap connection housing having a first inner connection body in which a first elastic body having a first slit line formed at an end thereof, with which the first close contact body comes into elastic contact when coupled to the first sealing cap, is inserted and disposed in an inner hole so that the first inner connection body is assembled with the first sealing cap; a first housing having one end screw-coupled to the first cap connection housing, and having an inner partition wall formed therein so that a first connection hole corresponding to the inner hole is formed through the inner partition wall; a central housing having one end screw-coupled to the other end of the first housing.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: January 18, 2022
    Assignee: REV-MED, INC.
    Inventor: Bong Geun Shin
  • Method and arrangement for controlling a dewatering process
    Patent number: 11224829
    Abstract: An arrangement and a method for controlling a dewatering process including measuring values representing operating parameters of the gravitational sedimentation device and using the values as input values for a predictive multivariable model for predicting an operating state of the gravitational sedimentation device. The disclosure further relates to obtaining reference values for the operating parameters, determining at least one predicted output for an operating parameter of the gravitational sedimentation device, and comparing the predicted output to at the reference values to determine control values that will affect changes in operation of the gravitational sedimentation device.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: January 18, 2022
    Assignee: OUTOTEC (FINLAND) OY
    Inventors: Mika Kosonen, Sakari Kauvosaari
  • Method for separation and enrichment of lithium
    Patent number: 11219863
    Abstract: A method for separation and enrichment of lithium includes the following steps: pretreatment: carrying out at least two dilutions and at least two filtrations on salina aged brine to obtain pretreated brine; separation: separating the pretreated brine via a nanofiltration separation system to obtain nanofiltration permeate and nanofiltration concentrate; first concentration: carrying out first concentration on the nanofiltration permeate via a reverse osmosis system to obtain reverse osmosis concentrate and reverse osmosis permeate; second concentration: carrying out second concentration on the reverse osmosis concentrate via an electrodialysis system to obtain electrodialysis concentrate and electrodialysis permeate, and the electrodialysis concentrate is solution enriching lithium ions.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: January 11, 2022
    Assignee: QINGHAI INSTITUTE OF SALT LAKES, CHINESE ACADEMY OF SCIENCES
    Inventors: Min Wang, Youjing Zhao, Yan Li, Huaiyou Wang, Hongjun Yang
  • Method for efficient separation and enrichment of lithium
    Patent number: 11219864
    Abstract: A method for efficient separation and enrichment of lithium includes the following steps: pretreatment: diluting and filtering salina aged brine to obtain pretreated brine; separation: separating the pretreated brine via a nanofiltration separation system to obtain nanofiltration permeate and nanofiltration concentrate, wherein the operation pressure of the nanofiltration separation system is 1.0 MPa˜5.0 MPa; first concentration: carrying out first concentration on the nanofiltration permeate via a reverse osmosis system to obtain reverse osmosis concentrate and reverse osmosis permeate; and second concentration: carrying out second concentration on the reverse osmosis concentrate via an electrodialysis system to obtain electrodialysis concentrate and electrodialysis permeate, wherein the electrodialysis concentrate is a solution enriching lithium ions.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: January 11, 2022
    Assignee: QINGHAI INSTITUTE OF SALT LAKES, CHINESE ACADEMY OF SCIENCES
    Inventors: Min Wang, Youjing Zhao, Yan Li, Huaiyou Wang
  • Solid-liquid separator and solid-liquid separation system
    Patent number: 11219849
    Abstract: This solid-liquid separator (100a) includes a screw type dehydration unit (2) including a screw (22) and that performs primary dehydration on an object to be processed, and a rotary-body type dehydration unit (3) including a plurality of rotary bodies (30), disposed subsequent to the screw type dehydration unit, and that performs secondary dehydration on the object to be processed on which the primary dehydration has been performed by the screw type dehydration unit. The screw rotates at a higher rotational speed than those of the rotary bodies.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: January 11, 2022
    Assignee: Tsurumi Manufacturing Co., Ltd.
    Inventors: Tsuyoshi Nakano, Tatsuya Senga
  • Separation membrane
    Patent number: 11219870
    Abstract: A separation membrane (10) of the present disclosure includes: a separation functional layer (30) composed of a polyamide; and a coating (40) covering the separation functional layer (30) and containing a polymer having a repeating unit represented by the following formula (1). In the formula (1), N+ is a nitrogen atom constituting a quaternary ammonium cation, and R1 and R2 are each independently a substituent containing a carbon atom bonded to the nitrogen atom.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: January 11, 2022
    Assignee: NITTO DENKO CORPORATION
    Inventors: Tomotsugu Miyabe, Atsuhito Komoto
  • Device for cleaning and method for cleaning water treatment membrane, and water treatment system
    Patent number: 11219868
    Abstract: A cleaning device includes: an ozone gas supply portion; an ozone dissolution tank including a gas phase portion in which ozone gas is to be accumulated and a liquid phase portion formed by water in which the ozone gas is to be dissolved; a gas phase portion ozone gas supply pipe for supplying ozone gas from the ozone gas supply portion to the gas phase portion; a liquid phase portion ozone gas supply pipe for supplying ozone gas from the ozone gas supply portion to the liquid phase portion; and an ozone water supply pipe for supplying ozone water generated in the ozone dissolution tank to a filtering secondary side, wherein the ozone water is supplied to the filtering secondary side by the pressure of ozone gas in the gas phase portion.
    Type: Grant
    Filed: June 7, 2017
    Date of Patent: January 11, 2022
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Hiromichi Koga, Koichi Tokimori, Shinsuke Goto
  • Method for separation and enrichment of lithium
    Patent number: 11219862
    Abstract: A method for separation and enrichment of lithium includes the following steps: pretreatment: diluting and filtering salina aged brine to obtain pretreated brine; separation: separating the pretreated brine via a nanofiltration separation system to obtain nanofiltration permeate and nanofiltration concentrate; first concentration: carrying out first concentration on the nanofiltration permeate via a reverse osmosis system to obtain reverse osmosis concentrate and reverse osmosis permeate; second concentration: carrying out second concentration on the reverse osmosis concentrate via an electrodialysis system to obtain electrodialysis concentrate and electrodialysis permeate, and the electrodialysis concentrate is solution enriching lithium ions.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: January 11, 2022
    Assignee: QINGHAI INSTITUTE OF SALT LAKES, CHINESE ACADEMY OF SCIENCES
    Inventors: Min Wang, Youjing Zhao, Yan Li, Huaiyou Wang, Hongjun Yang
  • Zero liquid discharge recycling system for PCB FAB, general metal finishing, and chemical milling
    Patent number: 11203544
    Abstract: A method, system and composition is described for treating waste generated from manufacturing operations including at least one of Printed Circuit Boards Fabrication (PCB FAB), General Metal Finishing (GMF), semiconductors manufacturing, chemical milling, and Physical Vapour Deposition (PVD). The method, system and composition are used to create zero liquid discharge recycling.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: December 21, 2021
    Assignee: GreenSource Fabrication LLC
    Inventor: Alexander Slavomir Stepinski
  • Zero liquid discharge recycling system for PCB FAB, general metal finishing, and chemical milling
    Patent number: 11203543
    Abstract: A method, system and composition is described for treating waste generated from manufacturing operations including at least one of Printed Circuit Boards Fabrication (PCB FAB), General Metal Finishing (GMF), semiconductors manufacturing, chemical milling, and Physical Vapour Deposition (PVD). The method, system and composition are used to create zero liquid discharge recycling.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: December 21, 2021
    Assignee: GreenSource Fabrication LLC
    Inventor: Alexander Slavomir Stepinski
  • Method for softening lithium brine using nanofiltration
    Patent number: 11203542
    Abstract: Lithium brine is treated with a multiple pass nanofiltration (NF) membrane system. Sulfate is added to permeate from an upstream pass before it flows through a downstream pass. Optionally the sulfate may be added to the permeate by dosing it with sulfuric acid or a slat such as sodium sulfate. The softened brine may then be processed further, for example by a combination of solvent extraction, electrolysis, crystallization and drying, to produce a lithium hydroxide product that can be used to make batteries.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: December 21, 2021
    Assignee: BL TECHNOLOGIES, INC.
    Inventor: Frederick Liberatore
  • Mineral recovery control
    Patent number: 11202974
    Abstract: A mineral recovery system for use in a mining operation is described. The mineral recovery system includes a mining operations model generated based on inputs of sensed conditions, wherein the mining operations model incorporates a thickener sub-model and a material sub-model. The mineral recovery system includes a thickener controller to issue commands based on the mining operations model. The mineral recovery system includes a thickener having a process water. The thickener also includes an underflow output provided with an underflow controller to adjust outflow of thickened slurry from the thickener based on issued commands. The thickener further includes an overflow output to dispense clarified water from the thickener.
    Type: Grant
    Filed: January 30, 2018
    Date of Patent: December 21, 2021
    Assignee: INTELLISENSE.IO LTD
    Inventors: Sam Bose, Denis Rubtsov, Hugh McNamara, Boris Wolter, Mark de Geus