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:
Jan. 30, 2018
Filed:
Sep. 28, 2012
Korea Institute of Energy Research, Daejeon, KR;
Si-Hyun Lee, Daejeon, KR;
Nam-Sun Nho, Daejeon, KR;
Seung-Hyun Moon, Daejeon, KR;
Sang-Do Kim, Daejeon, KR;
Dong-Hyuk Chun, Daejeon, KR;
Young-Jun Rhim, Daejeon, KR;
Jeong-Hwan Lim, Daejeon, KR;
Ho-Kyung Choi, Daejeon, KR;
Ji-Ho Yoo, Daejeon, KR;
Young-Chan Choi, Daejeon, KR;
Dong-Wook Lee, Daejeon, KR;
In-Soo Ryu, Daejeon, KR;
Seung-Jae Lee, Daejeon, KR;
Je Kyoung Woo, Daejeon, KR;
Korea Institute of Energy Research, Daejeon, KR;
Abstract
Provided is a method of economically modifying low rank coal (LRC) to be high grade coal having minimized water re-absorption and minimized spontaneous ignition possibility while saving energy by coating heavy oil directly on coal without using solvent oil. Provides is a method of modifying coal using palm oil residue, including milling the coal, homogenously mixing the palm oil residue with the milled coal, melting the palm oil residue mixed with the coal so as to be coated on a surface of the coal, and simultaneously drying moisture in the coal, cooling the dried coal, and briquetting the cooled coal.