The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 26, 2024
Filed:
Jun. 14, 2022
Applicant:
University of Science and Technology Beijing, Beijing, CN;
Inventors:
Haibin Zuo, Beijing, CN;
Yajie Wang, Beijing, CN;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10L 5/48 (2006.01); C04B 33/04 (2006.01); C04B 33/135 (2006.01); C04B 33/32 (2006.01); C04B 35/626 (2006.01); C10L 5/08 (2006.01); C10L 5/36 (2006.01);
U.S. Cl.
CPC ...
C10L 5/48 (2013.01); C04B 33/04 (2013.01); C04B 33/1355 (2013.01); C04B 33/32 (2013.01); C04B 35/62695 (2013.01); C10L 5/08 (2013.01); C10L 5/361 (2013.01); C04B 2235/3217 (2013.01); C04B 2235/349 (2013.01); C04B 2235/6567 (2013.01); C04B 2235/661 (2013.01); C10L 2270/08 (2013.01); C10L 2290/06 (2013.01); C10L 2290/24 (2013.01); C10L 2290/30 (2013.01); C10L 2290/32 (2013.01);
Abstract
Disclosed is a method for recycling a coal liquefaction residue. The method includes S1, drying a coal liquefaction residue and pulverizing to obtain a pulverized coal liquefaction residue; S2, subjecting the pulverized coal liquefaction residue to a solvothermal extraction in an autoclave to obtain an extract liquid and a residue; S3, distilling the extract liquid and recovering an organic solvent to obtain a solid extract.