Patents by Inventor PENGFENG IL

PENGFENG IL 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).

  • ISOLATION AND RESTORATION METHOD FOR COMPOUND CONTAMINATED SOIL
    Publication number: 20190161933
    Abstract: The present disclosure provides an isolation and restoration method for compound contaminated soil. The isolation and restoration method for the compound contaminated soil provided by the present disclosure is used for isolation and restoration of a contaminated site, which includes: laying an isolation layer, a pure soil layer and an arable soil layer containing compound soil in turn on the contaminated site which is flattened and compacted, where the compound soil is composed of loess, slaked lime, fine sand and substances having an adsorption function in a volume ratio.
    Type: Application
    Filed: November 14, 2018
    Publication date: May 30, 2019
    Inventors: JICHANG HAN, SHUGUANG WANG, PENGFENG IL