Patents by Inventor Sleem Rahman

Sleem Rahman 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).

  • Integrated electrolytic-electrodialytic apparatus and process for recovering metals from metal ion-containing waste streams
    Publication number: 20060219574
    Abstract: An apparatus and method for the electrolytic and electrodialytic removal of metal ions from wastewater in a single cell. A battery of cells, each of which consists of a cathode, anode, anion exchange membrane and cation exchange membrane, is used. The battery of cells may be used in both batch and continuous processes, and is capable of reducing metal ion concentration from thousand ppm to few ppm. It can be used to concentrate dilute acids as a by-product.
    Type: Application
    Filed: April 5, 2005
    Publication date: October 5, 2006
    Inventors: Sleem Rahman, Nabil Abo-Ghander, Syed Javaid Zaidi