Patents by Inventor Manzhi CHEN

Manzhi CHEN 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).

  • Patent number: 11858018
    Abstract: An in-situ remediation method for a lead-zinc slag dump is provided, belonging to the technical field of prevention and control of soil pollution, including: step 1, providing a curing agent layer, a clay barrier layer and a planting soil layer on a surface of the lead-zinc slag dump in sequence, and providing an interceptor ditch and a retaining wall at a highest position and a lowest position of the lead-zinc slag dump respectively; step 2, planting ground covers and/or shrubs in the planting soil layer; and step 3, providing baffle plates and a plurality of regulating assemblies in lead-zinc slag, wherein each of the regulating assemblies comprises a water tank, a blind ditch and a first isolation plate, and a water outlet end of the water tank and a water outlet end of the blind ditch are connected with a reservoir.
    Type: Grant
    Filed: May 23, 2023
    Date of Patent: January 2, 2024
    Assignee: GUIZHOU UNIVERSITY
    Inventors: Pan Wu, Han Tu, Shui Zhang, Youfa Luo, Manzhi Chen
  • Publication number: 20230398589
    Abstract: An in-situ remediation method for a lead-zinc slag dump is provided, belonging to the technical field of prevention and control of soil pollution, including: step 1, providing a curing agent layer, a clay barrier layer and a planting soil layer on a surface of the lead-zinc slag dump in sequence, and providing an interceptor ditch and a retaining wall at a highest position and a lowest position of the lead-zinc slag dump respectively; step 2, planting ground covers and/or shrubs in the planting soil layer; and step 3, providing baffle plates and a plurality of regulating assemblies in lead-zinc slag, wherein each of the regulating assemblies comprises a water tank, a blind ditch and a first isolation plate, and a water outlet end of the water tank and a water outlet end of the blind ditch are connected with a reservoir.
    Type: Application
    Filed: May 23, 2023
    Publication date: December 14, 2023
    Inventors: Pan WU, Han TU, Shui ZHANG, Youfa LUO, Manzhi CHEN