Patents Assigned to Theodore A. Litowitz
  • Silica removal process and alumina composition used therein
    Patent number: 4332031
    Abstract: Silica is selectively removed from aqueous liquid containing a relatively large amount of borate (or boric acid) and a relatively small amount of silica using borate loaded alumina as the sorbant. The effluent can be passed through lithium loaded cation exchange resin to remove any dissolved aluminum.
    Type: Grant
    Filed: March 21, 1980
    Date of Patent: May 25, 1982
    Assignees: Pedro B. Macedo, Theodore A. Litowitz
    Inventors: Aaron Barkatt, Pedro B. Macedo