Patents by Inventor Minzi LIAO

Minzi LIAO 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).

  • Method for removing hexavalent chromium from water bodies by sodium oxalate-modified zero-valent iron
    Patent number: 10822259
    Abstract: The present invention relates to a method for removing hexavalent chromium from water bodies by sodium oxalate-modified zero-valent iron. The method comprising the steps: soaking zero-valent iron in a sodium oxalate solution for a period of time; and washing and drying to obtain the sodium oxalate-modified zero-valent iron; and then treating water bodies with the sodium oxalate-modified zero-valent iron to remove the heavy metal pollutant hexavalent chromium from the water bodies. Compared with other chemical or physical methods for treating the zero-valent iron, the processing technology of the sodium oxalate-modified zero-valent iron is simple and easy to implement, and also has advantages of high efficiency, no pollution and environmental friendliness.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: November 3, 2020
    Assignee: CENTRAL CHINA NORMAL UNIVERSITY
    Inventors: Lizhi Zhang, Minzi Liao
  • METHOD FOR REMOVING HEXAVALENT CHROMIUM FROM WATER BODIES BY SODIUM OXALATE-MODIFIED ZERO-VALENT IRON
    Publication number: 20200048117
    Abstract: The present invention relates to a method for removing hexavalent chromium from water bodies by sodium oxalate-modified zero-valent iron. The method comprising the steps: soaking zero-valent iron in a sodium oxalate solution for a period of time; and washing and drying to obtain the sodium oxalate-modified zero-valent iron; and then treating water bodies with the sodium oxalate-modified zero-valent iron to remove the heavy metal pollutant hexavalent chromium from the water bodies. Compared with other chemical or physical methods for treating the zero-valent iron, the processing technology of the sodium oxalate-modified zero-valent iron is simple and easy to implement, and also has advantages of high efficiency, no pollution and environmental friendliness.
    Type: Application
    Filed: August 8, 2019
    Publication date: February 13, 2020
    Inventors: Lizhi ZHANG, Minzi LIAO