Patents by Inventor Xiaofei LV

Xiaofei LV 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: 12599893
    Abstract: A spherical lithium adsorbent, as well as a preparation method and use thereof are provided. The preparation method includes: dry mixing an adsorbent and a forming agent followed by evenly mixing with a first solvent to form a mixed solution, and adding a thickening and pore forming agent to obtain a mixed system; spraying out the mixed system from a nozzle of a spray device and receiving sprayed drips using a second solvent that is incompatible with the forming agent as a receiving solvent so that the drips become particles to obtain a spherical adsorbent with good performance and even granularity. Spray granulation is performed utilizing airflow so that the particles have a larger specific area and are more suitable for industrial absorption column filling. Furthermore, adsorbent powders in the particles are tightly wrapped and difficult to fall off during cyclic use.
    Type: Grant
    Filed: November 4, 2022
    Date of Patent: April 14, 2026
    Assignee: QINGHAI INSTITUTE OF SALT LAKES, CHINESE ACADEMY OF SCIENCES
    Inventors: Min Wang, Xiaofei Lv, Huaiyou Wang
  • Publication number: 20250108357
    Abstract: A spherical lithium adsorbent, as well as a preparation method and use thereof are provided. The preparation method includes: dry mixing an adsorbent and a forming agent followed by evenly mixing with a first solvent to form a mixed solution, and adding a thickening and pore forming agent to obtain a mixed system; spraying out the mixed system from a nozzle of a spray device and receiving sprayed drips using a second solvent that is incompatible with the forming agent as a receiving solvent so that the drips become particles to obtain a spherical adsorbent with good performance and even granularity. Spray granulation is performed utilizing airflow so that the particles have a larger specific area and are more suitable for industrial absorption column filling. Furthermore, adsorbent powders in the particles are tightly wrapped and difficult to fall off during cyclic use.
    Type: Application
    Filed: November 4, 2022
    Publication date: April 3, 2025
    Applicant: QINGHAI INSTITUTE OF SALT LAKES, CHINESE ACADEMY OF SCIENCES
    Inventors: Min WANG, Xiaofei LV, Huaiyou WANG