Patents by Inventor Evan K. Dawson

Evan K. Dawson 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).

  • PROCESS FOR REMOVING SULFATE AND SYSTEM FOR SAME
    Publication number: 20140246371
    Abstract: A process for removing sulfate includes combining a calcium compound and a fluid comprising sulfate to form a composition; adjusting the pH to be greater than or equal to 12; introducing, to the composition, an electrode comprising aluminum or a noble metal; contacting the composition with a material comprising aluminum if aluminum is absent from the electrode; applying a voltage to the electrode to oxidize the aluminum and to form aluminum ions; contacting the composition with the aluminum ions; and forming a precipitate to remove sulfate from the composition, the precipitate having a crystal structure including calcium, aluminum, and sulfate.
    Type: Application
    Filed: March 1, 2013
    Publication date: September 4, 2014
    Applicant: Baker Hughes Incorporated
    Inventors: Jiasheng Cao, Ronald M. Matherly, Daryl D. McCracken, Evan K. Dawson, Kushal Seth