Patents by Inventor Weining XU

Weining XU 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).

  • Composite treatment and remediation technology for polluted water and soil
    Patent number: 12441640
    Abstract: The present invention relates to a composite treatment and recovery technique of polluted water body and soil. Iron-rich straw biomass, after being crushed, is mixed and granulated with sludge, and is pyrolytic charred by programmed heating, to obtain bulk loaded zero-valent iron biochar and sludge biochar composite particles, which are packed as fillers in a filled bed or as filters in filter cells of a fixed bed, for effective recovery of complex polluted water, polluted by heavy metals, organics, nitrogen, phosphorus, and the like.
    Type: Grant
    Filed: August 6, 2021
    Date of Patent: October 14, 2025
    Assignee: CHINESE RESEARCH ACADEMY OF ENVIRONMENTAL SCIENCES
    Inventors: Lei Wang, Ming Chang, Haiqing Liao, Shungui Zhou, Shaofeng Li, Weining Xu, Xiaoshu Wang, Yangyang Wang, Yiwei Li
  • COMPOSITE TREATMENT AND REMEDIATION TECHNOLOGY FOR POLLUTED WATER AND SOIL
    Publication number: 20230249998
    Abstract: The present invention relates to a composite treatment and recovery technique of polluted water body and soil. Iron-rich straw biomass, after being crushed, is mixed and granulated with sludge, and is pyrolytic charred by programmed heating, to obtain bulk loaded zero-valent iron biochar and sludge biochar composite particles, which are packed as fillers in a filled bed or as filters in filter cells of a fixed bed, for effective recovery of complex polluted water, polluted by heavy metals, organics, nitrogen, phosphorus, and the like.
    Type: Application
    Filed: August 6, 2021
    Publication date: August 10, 2023
    Inventors: Lei WANG, Ming CHANG, Haiqing LIAO, Shungui ZHOU, Shaofeng LI, Weining XU, Xiaoshu WANG, Yangyang WANG, Yiwei LI