Patents by Inventor Kyung Lyong Choi

Kyung Lyong Choi 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).

  • Apparatus for deodorizing sewage treatment plant sludge by using native microorganisms
    Patent number: 8298416
    Abstract: The present invention relates to a deodorizing apparatus using native microorganisms. Specifically, the present invention relates to a deodorizing apparatus using native microorganisms for removal of malodors of sewage treatment plant sludge, comprising a native microorganism activating tank, where a colony of the native microorganisms in a spore state is germinated and activated through a proliferation process under conditions where oxygen and organic materials are supplied, and the native microorganisms returned from a second deodorizing tank is further activated; and a first and a second deodorizing tanks which remove malodorants from untreated matter under conditions where oxygen and the activated native microorganisms are continuously supplied.
    Type: Grant
    Filed: February 24, 2010
    Date of Patent: October 30, 2012
    Assignee: Korea Institute of Science and Technology
    Inventors: Wan Cheol Park, Tae Hyung Kim, Mi Ae Lee, Kyung Lyong Choi
  • APPARATUS FOR DEODORIZING SEWAGE TREATMENT PLANT SLUDGE BY USING NATIVE MICROORGANISMS
    Publication number: 20110203984
    Abstract: The present invention relates to a deodorizing apparatus using native microorganisms. Specifically, the present invention relates to a deodorizing apparatus using native microorganisms for removal of malodors of sewage treatment plant sludge, comprising a native microorganism activating tank, where a colony of the native microorganisms in a spore state is germinated and activated through a proliferation process under conditions where oxygen and organic materials are supplied, and the native microorganisms returned from a second deodorizing tank is further activated; and a first and a second deodorizing tanks which remove malodorants from untreated matter under conditions where oxygen and the activated native microorganisms are continuously supplied.
    Type: Application
    Filed: February 24, 2010
    Publication date: August 25, 2011
    Inventors: Wan Cheol Park, Tae Hyung Kim, Mi Ae Lee, Kyung Lyong Choi