Patents by Inventor ORREN D. SCHNEIDER

ORREN D. SCHNEIDER has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9751778
    Abstract: Processes and systems are provided for simultaneously recovering coagulant and acid in a water treatment system. Sludge produced by the water treatment system is contacted with acid to form acidified sludge liquids. The acidified sludge liquids flow into a membrane assisted capacitive deionization system having both cation and anion exchange membranes. Metal cations from the acidified sludge liquids diffuse across at least one cation exchange membrane to form recovered coagulant, while anions from the acidified sludge liquids diffuse across at least one anion exchange membrane to form recovered acid. The diffusion rate of the metal cations across the cation exchange membranes is equal to or greater than the diffusion rate of the anions across the anion exchange membranes.
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: September 5, 2017
    Assignee: American Water Works Company, Inc.
    Inventor: Orren D. Schneider
  • Publication number: 20150353388
    Abstract: Processes and systems are provided for simultaneously recovering coagulant and acid in a water treatment system. Sludge produced by the water treatment system is contacted with acid to form acidified sludge liquids. The acidified sludge liquids flow into a membrane assisted capacitive deionization system having both cation and anion exchange membranes. Metal cations from the acidified sludge liquids diffuse across at least one cation exchange membrane to form recovered coagulant, while anions from the acidified sludge liquids diffuse across at least one anion exchange membrane to form recovered acid. The diffusion rate of the metal cations across the cation exchange membranes is equal to or greater than the diffusion rate of the anions across the anion exchange membranes.
    Type: Application
    Filed: May 8, 2015
    Publication date: December 10, 2015
    Applicant: AMERICAN WATER WORKS COMPANY, INC.
    Inventor: ORREN D. SCHNEIDER
  • Publication number: 20130319941
    Abstract: Processes and systems are provided for simultaneously recovering coagulant and acid in a water treatment system. Sludge produced by the water treatment system is contacted with acid to form acidified solids. The acidified solids flow into a combined membrane treatment tank having both cation and anion exchange membranes. Metal cations from the acidified solids cell diffuse across the cation exchange membranes to form recovered coagulant, while anions from the acidified solids diffuse across the anion exchange membranes to form recovered acid. The diffusion rate of the metal cations across the cation exchange membranes may be equal to or greater than the diffusion rate of the anions across the anion exchange membranes.
    Type: Application
    Filed: June 5, 2012
    Publication date: December 5, 2013
    Applicant: AMERICAN WATER WORKS COMPANY, INC.
    Inventor: ORREN D. SCHNEIDER