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. 08, 2022
Filed:
May. 15, 2020
Southeast University, Jiangsu, CN;
SOUTHEAST UNIVERSITY, Jiangsu, CN;
Abstract
A processing method for perennially and deeply polluted sludge containing oils and water, waste residues, or oil sands in natural oil mines, and a processing system thereof. In the method, a solid substance containing oils and water is in full contact with an organic liquid solvent with a low boiling point and a weak polarity or no polarity at room temperature under pressurized condition to extract oil and water from the solid substance to the liquid, the organic solvent with low boiling point and low latent heat is easily separated from oil and water in the liquid after solid-liquid separation by decompression or heating evaporation, the gas solvent is compressed and condensed for recycling, the extracted oil and water are subjected to oil-water separation, and the extracted oil may be used as fuel or used for refining.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile