Patents by Inventor Liancheng Xiang

Liancheng Xiang 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).

  • Vertical sewage treatment device and method
    Patent number: 9845257
    Abstract: The present invention provides a vertical sewage treatment device including an anaerobic chamber, an anoxic chamber, an aerobiotic chamber, and a secondary precipitation chamber, wherein the anaerobic chamber, the anoxic chamber, the aerobiotic chamber, and the secondary precipitation chamber are vertically arranged in sequence from the bottom to the top. According to another aspect, the present invention also provides a sewage treatment method using the foregoing vertical sewage treatment device. The sewage treatment device and method of the present invention have the advantages such as a reduced occupied area, improved oxygenation efficiency, a decreased head loss, a reduced invalid structure volume, and a low heat loss.
    Type: Grant
    Filed: October 27, 2014
    Date of Patent: December 19, 2017
    Assignee: Chinese Research Academy of Environmental Sciences
    Inventors: Liancheng Xiang, Yonghui Song, Junqi Wu, Siyu Wang, Jianping Li, Xingfa Liu
  • VERTICAL SEWAGE TREATMENT DEVICE AND METHOD
    Publication number: 20160376178
    Abstract: The present invention provides a vertical sewage treatment device including an anaerobic chamber, an anoxic chamber, an aerobiotic chamber, and a secondary precipitation chamber, wherein the anaerobic chamber, the anoxic chamber, the aerobiotic chamber, and the secondary precipitation chamber are vertically arranged in sequence from the bottom to the top. According to another aspect, the present invention also provides a sewage treatment method using the foregoing vertical sewage treatment device. The sewage treatment device and method of the present invention have the advantages such as a reduced occupied area, improved oxygenation efficiency, a decreased head loss, a reduced invalid structure volume, and a low heat loss.
    Type: Application
    Filed: October 27, 2014
    Publication date: December 29, 2016
    Applicant: Chinese Research Academy of Environmental Sciences
    Inventors: Liancheng Xiang, Yonghui Song, Junqi Wu, Siyu Wang, Jianping Li, Xingfa Liu