Patents Examined by Salil Jain
  • Patent number: 11117818
    Abstract: Applicant's faradic porosity cell combines adsorption (physical and capacitive) and faradic immobilization of a target species by optimizing electrode porosity, applied E, and Pourbaix operating regions. The optimization parameters are (i) physical adsorption; (ii) capacitive adsorption; (iii) electrochemical pH modulation; (iv) electrochemical peroxide (H2O2) generation; (v) electrodeposition (e.g., electroplating, electrophoretic deposition); (vi) electrochemical oxidation or reduction; (vii) precipitation; (viii) pore mouth diameter profile, and (ix) electrode spacing, and (xi) flow-by vs. flow-through vs. carbon block cell design.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: September 14, 2021
    Inventors: Lindsay Boehme, Cameron Lippert, James Landon
  • Patent number: 11091846
    Abstract: A solid ion-conductive material can be used in a compartment of an electrochemical cell, such as between an anion exchange membrane and a cation exchange membrane, for improving energy efficiency and at least partially replacing electrolyte solution. The formed product can be obtained for instance in demi water.
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: August 17, 2021
    Assignee: STICHTING WAGENINGEN RESEARCH
    Inventor: Roel Johannes Martinus Bisselink
  • Patent number: 11071964
    Abstract: The present invention is related to an electrochemical reactor (1) and a microfluidic platform (20) comprising this reactor (1), controlling pH in a closed environment, wherein this reactor (1) comprises at least one cell (2), wherein each cell (2) containing at least one micro-well (3a) able to contain a liquid and reagents and a cap (7) to close the said cell (2) and wherein the cell (2) further comprises at least one working electrode (5) producing reversible REDOX reactions.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: July 27, 2021
    Assignee: LUXEMBOURG INSTITUTE OF SCIENCE AND TECHNOLOGY (LIST)
    Inventors: Cesar Pascual Garcia, Mathieu Gerard, Jean Sebastien Thomann
  • Patent number: 11052183
    Abstract: The present disclosure provides devices and methods of using same for cleansing a solution (e.g., a salt or used dialysis solution) of urea via electrooxidation, and more specifically to cleansing a renal therapy solution/dialysis solution of urea via electrooxidation so that the renal therapy solution/dialysis solution can be used or reused for treatment of a patient. In an embodiment, a device for the removal of urea from a fluid having urea to produce a cleansed fluid includes a urea decomposition unit and an electrodialysis unit.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: July 6, 2021
    Assignees: Baxter International Inc., Baxter Healthcare SA
    Inventors: Yuanpang Samuel Ding, Cristian Adolfo Menzel Bueno, Rosa Yeh
  • Patent number: 11033669
    Abstract: A method of cleaning used dialysis fluid having urea to produce a cleaned dialysis fluid, the method including passing the used dialysis fluid having urea through a combination electrodialysis and urea oxidation cell, the cell including (i) a first set of electrodes for separation of the used dialysis fluid having urea into an acid stream and a basic stream, wherein the first set of electrodes includes an anode and a cathode; (ii) one or more second set of electrodes positioned to contact the basic stream with an electrocatalytic surface for decomposition of urea via electrooxidation, wherein the one or more second set of electrodes includes an anode and a cathode; and (iii) at least one power source to provide the first and second sets of electrodes with an electrical charge to activate the electrocatalytic surface.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: June 15, 2021
    Assignees: Baxter International Inc., Baxter Healthcare SA
    Inventors: Yuanpang Samuel Ding, Cristian Adolfo Menzel Bueno, Rosa Yeh
  • Patent number: 11033859
    Abstract: A method of eluting biomolecules, such as nucleic acids from a biological sample by electroelution is provided. An example of a method includes various steps, such as loading the biological sample to a device comprising a housing, at least two conductive redox polymer electrodes operationally coupled to the housing and a biomolecule impermeable layer disposed on at least one of the electrodes. The loading of sample is followed by initiating an electrical connection to generate an electric field strength sufficient to elute biomolecules from the biological sample; and eluting the biomolecules from the biological sample.
    Type: Grant
    Filed: June 19, 2018
    Date of Patent: June 15, 2021
    Assignee: Global Life Sciences Solutions Operations UK Ltd
    Inventors: Christopher Michael Puleo, John Richard Nelson, Patrick McCoy Spooner, Ralf Lenigk, Nicole Lea Wood, Li Zhu, Craig Patrick Galligan
  • Patent number: 11021385
    Abstract: Sludge dewatering device that makes it possible to achieve a high degree of dryness while retaining a limited energy consumption and limited industrial risks, comprising at least one first plate (21a) equipped with a first electrode (23a), and at least one second plate (21b) equipped with a second electrode (23b), wherein the first and second plates (21a, 21b) define a chamber (22) configured for receiving a sludge to be dewatered (10a), wherein the first and second electrodes (23a, 23b) are configured for establishing an electric field within the chamber (22), wherein the chamber (22) is equipped with at least one discharge port (32, 34), provided in the bottom third of the chamber (22), configured for discharging a filtrate (15a, 16a), and wherein the chamber (22) is equipped with at least one injection port (33), provided in the top third of the chamber (22), configured for injecting the pressurized purge fluid (11a) into the chamber (22).
    Type: Grant
    Filed: October 11, 2016
    Date of Patent: June 1, 2021
    Assignee: VEOLIA WATER SOLUTIONS & TECHNOLOGIES SUPPORT
    Inventors: Laetitia Maillet, Benjamin Herbreteau, Vincent Georgeaud
  • Patent number: 11014049
    Abstract: A membrane stack comprising the following components: (a) a first ion diluting compartment (D1); (b) a second ion diluting compartment (D2); (c) a first ion concentrating compartment (C1); (d) a second ion concentrating compartment (C2); and (e) a membrane wall (CEM1, mAEM, mCEM, AEM, CEM2) between each compartment and on the outside of the first and last compartment of the stack; wherein: (i) each membrane wall comprises a cation exchange membrane (CEM1, mCEM, CEM2) or an anion exchange membrane (mAEM, AEM) and the order of the cation and anion exchange membranes alternates from each wall to the next; (ii) the membrane walls (mAEM, mCEM) on each side of compartment (a) both have a higher monovalent ion selectivity than the corresponding membrane walls (AEM, CEM2) on each side of compartment (b); and (iii) the stack further comprises a means for communicating fluid between compartments (a) and (b).
    Type: Grant
    Filed: February 9, 2017
    Date of Patent: May 25, 2021
    Assignee: Fujifilm Manufacturing Europe B.V.
    Inventors: Vinodnarain Bhikhi, Jacko Hessing
  • Patent number: 11014838
    Abstract: An electrocoagulation unit that may include an outer shell, and a set of electrodes disposed therein. At least two electrodes are separated from an adjacent electrode by an electrode gap. The outer shell may further include a fluid inlet; a fluid outlet; a first busbar opening with a first busbar gland associated therewith.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: May 25, 2021
    Assignee: Water Vision, Inc.
    Inventors: Gregory K. Norman, Xandra Joines Turner, Joshua Hebert, Jason Michael Kirk
  • Patent number: 11008234
    Abstract: Systems and methods for treating a metal or metalloid ion-contaminated liquid are provided. The method may include (i) feeding the metal or metalloid ion-contaminated liquid into a bioelectrochemical reactor containing a bacteria selected by the cathode to produce extracellular metal or metalloid nanoparticles; and (ii) operating the bioelectrochemical reactor anaerobically to reduce the metal or metalloid ions in the metal or metalloid ion-contaminated liquid to extracellular metal or metalloid nanoparticles. The method may further include separating the metal or metalloid nanoparticles from the bacteria with no energy input. A bioelectrochemical reactor system for production of extracellular metal and metalloid nanoparticles may include a bioelectrochemical reactor, a separation device, and a tangential flow filtration unit.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: May 18, 2021
    Assignee: THE FLORIDA STATE UNIVERSITY RESEARCH FOUNDATION, INC.
    Inventors: Youneng Tang, Gang Chen
  • Patent number: 10995414
    Abstract: The present invention relates to processes including the step of electrochemically treating an iron mineral. The processes are for improving the grade of iron, producing a magnetic iron mineral, or producing an iron oxide. In one aspect, the process for improving the grade of iron includes electrochemically treating a slurry including at least one iron mineral to thereby improve the grade of the iron in the slurry.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: May 4, 2021
    Assignee: HYDRUS TECHNOLOGY PTY. LTD.
    Inventors: David Victor Cam, John Frederick Ellers, Brook Douglas Hill
  • Patent number: 10995019
    Abstract: A heating apparatus of a water electrolysis system includes: an enclosure with a draw-in hole; a heating unit accommodated in the enclosure; a blowing unit for directing outside air to the heating unit; a circulation channel for directing part of air heated by the heating unit to a space between the heating unit and the blowing unit; and a draw-out portion for leading the air heated by the heating unit to the outside. The air in the circulation channel is introduced to a space between the heating unit and the blowing unit due to the Venturi effect.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: May 4, 2021
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Masahiro Mohri, Daisuke Misu
  • Patent number: 10982339
    Abstract: The present disclosure relates to a simple one-pot process for the production of ammonia. The process involves electrolysis of air and water using a molten or concentrated aqueous hydroxide electrolyte in the presence of an iron catalyst. The process exhibits one or more of the following benefits: (i) it is an efficient, cost-effective low-energy process, (ii) it eliminates carbon dioxide (CO2) evolution, (iii) it eliminates the need for a separator, and (iv) it bypasses the need for a preliminary hydrogenation step.
    Type: Grant
    Filed: April 24, 2015
    Date of Patent: April 20, 2021
    Assignee: C2CNT LLC
    Inventors: Stuart Licht, Baochen Cui, Baohui Wang
  • Patent number: 10975478
    Abstract: A lithium hydroxide production process integrating a lithium stripping stage with a lithium hydroxide production process performed in a two-compartment electrolysis cell.
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: April 13, 2021
    Assignee: TENOVA ADVANCED TECHNOLOGIES LTD.
    Inventors: Jonathan Lipp, Nadav Dobrin
  • Patent number: 10968532
    Abstract: A method for cleaning a surface of an aluminum or aluminum alloy body by immersing the surface in a basic aqueous electrolyte formed essentially from dissolved trisodium phosphate, flowing DC current through the electrolyte and the body for cleaning, and then removing the body from the electrolyte. An additional cleaning step, which may include ultrasonic cleaning, may be performed to remove loose matter adhering to the body after the electrolytic cleaning.
    Type: Grant
    Filed: May 22, 2018
    Date of Patent: April 6, 2021
    Assignee: H&H Research & Development, LLC
    Inventors: John E. Hoffman, Jr., Richard A. Hoffman, Sr.
  • Patent number: 10961137
    Abstract: A method and an apparatus for water treatment are disclosed. The method includes steps of associating an iron anode and a cathode with a stream of water, forming an alkaline environment around the iron anode by injecting an alkaline electrolyte solution into the stream of water upstream of the anode. The method also includes generating a solution plasma in the stream of water by applying a potential difference between the iron anode and the cathode.
    Type: Grant
    Filed: November 10, 2017
    Date of Patent: March 30, 2021
    Inventors: Sina Samimi Sedeh, Ehsan Saebnoori
  • Patent number: 10962537
    Abstract: The present invention relates to polymeric membranes. In particular, the present invention relates to the use of membranes comprising polyvinyl alcohol in electrophoresis.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: March 30, 2021
    Assignee: Memphasys Limited
    Inventors: Hani Nur, Sandra Kentish, Martin Van Koeverden, Vikram Chaudhari
  • Patent number: 10961135
    Abstract: A water treatment apparatus includes: a first granular electrode member and a second granular electrode member stored in a water treatment unit and provided so as to be separated from each other; a power supply unit which applies voltage between the first granular electrode member and the second granular electrode member so that ions contained in treatment target water supplied from one side of the water treatment unit are adsorbed to the first granular electrode member and the second granular electrode member; and a washing water supply pump which causes washing water to flow from the other side of the water treatment unit to the one side of the water treatment unit, thereby washing the first granular electrode member and the second granular electrode member, wherein the first granular electrode member and the second granular electrode member each include a plurality of flowable granular electrode members.
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: March 30, 2021
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Yoshihiro Nakayama, Tokiko Yamauchi, Nozomu Yasunaga, Seiji Noda
  • Patent number: 10961133
    Abstract: The systems and methods described herein relate to use of a reverse diffusion system for removal of dissolved ions from a fluid, for example, salt ions. Specific embodiments include a system for desalinating salt water to produce potable water. The systems and methods can include pulsing low levels of electricity via electrodes in a scrolling pattern, so as to sweep the ions across a unit.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: March 30, 2021
    Assignee: Signal One International IP, LLC
    Inventors: James Albert Coates, Charles R. Coates
  • Patent number: 10954141
    Abstract: A system to increase the water recovery ratio and efficiently save water in a water treatment and delivery system, particularly for a water treatment system that may be used for water softening, and more particularly for a water treatment system that employs capacitive deionization technology. Stored product water is delivered without the implementation of an additional pump, and the stored product water is used to recover water in a storage tank without having to send water to drain.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: March 23, 2021
    Assignee: Ecowater Systems LLC
    Inventors: Steven K. Wilson, George L. Dimotsis, Richard A. Kirchner