Patents by Inventor Raymond G. Pepln

Raymond G. Pepln 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).

  • Removing Heavy Metals in a Ballasted Process
    Publication number: 20190194048
    Abstract: A system for treating metal-contaminated wastewater includes a primary treatment sub-system, a secondary treatment sub-system, and a tertiary treatment sub-system. The tertiary treatment sub-system includes a reactor tank, a source of ballast material, a source of coagulant, a solids-liquid separator, and a controller configured to recycle ballasted solids from the solids-liquid separator to the reactor tank an amount sufficient to generate metal hydroxide floc in the reactor tank to reduce a concentration of dissolved metal in the reactor tank.
    Type: Application
    Filed: June 5, 2017
    Publication date: June 27, 2019
    Inventors: Rohan Wikramanayake, Raymond G. Pepln, Thomas Miles