Patents by Inventor Gerald Niedringhaus

Gerald Niedringhaus 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).

  • Removal of hydrogen sulfide from gas streams
    Patent number: 9433894
    Abstract: A method for removing hydrogen sulfide from a gas stream in a gas-liquid absorber apparatus having two separate absorption sections and utilizing a first absorber alkali solution stream that is a waste sodium carbonate source from a soda ash production facility and a second absorber alkali solution stream that is a process feed stream from a soda ash production facility. The method is particularly well suited for removing H2S from a CO2-containing gas stream generated in a soda ash production facility.
    Type: Grant
    Filed: April 25, 2014
    Date of Patent: September 6, 2016
    Assignee: Tronox Alkali Wyoming Corporation
    Inventor: Gerald Niedringhaus
  • Flue Gas Treatment Process
    Publication number: 20150368051
    Abstract: An improved process is disclosed for conveying trona powder to be used in treating flue gas to remove impurities from the flue gas. The trona powder is pneumatically conveyed under controlled conditions wherein a. the temperature of the conveying air is maintained at less than 135 degrees F., preferably less than 130 degrees F., b. the relative humidity of the conveying air is maintained between about 15% and 50% and c.
    Type: Application
    Filed: June 18, 2014
    Publication date: December 24, 2015
    Inventors: William Copenhafer, Gerald Niedringhaus, Aaron Reichl
  • REMOVAL OF HYDROGEN SULFIDE FROM GAS STREAMS
    Publication number: 20140335001
    Abstract: A method for removing hydrogen sulfide from a gas stream in a gas-liquid absorber apparatus having two separate absorption sections and utilizing a first absorber alkali solution stream that is a waste sodium carbonate source from a soda ash production facility and a second absorber alkali solution stream that is a process feed stream from a soda ash production facility. The method is particularly well suited for removing H2S from a CO2-containing gas stream generated in a soda ash production facility.
    Type: Application
    Filed: April 25, 2014
    Publication date: November 13, 2014
    Applicant: FMC WYOMING CORPORATION
    Inventor: Gerald Niedringhaus