Patents by Inventor Zhouying JI

Zhouying JI 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).

  • WASTEWATER TREATMENT PROCESS FOR REMOVING CHEMICAL OXYGEN DEMAND
    Publication number: 20200216346
    Abstract: A process for removing chemical oxygen demand, which realizes the deep COD treatment by the combination of metal salt and hydrogen peroxide and then by an ozone containing gas with hydrogen peroxide or ultraviolet radiation with hydrogen peroxide. It features using less metal salt and hydrogen peroxide, having less ozone gas residual and being more suitable for industrialization.
    Type: Application
    Filed: June 29, 2017
    Publication date: July 9, 2020
    Inventors: Feng WANG, Stéphanie FOUCHER, Zhouying JI, Fan LIU