Technology of fine coal grains recovery from the mining waste deposits

Mineral Engineering Conference

Kowol, D.^1 ; Matusiak, P.^1

Institute of Mining Technology, Division of Preparation Systems, 37 Pszczyska Street, Gliwice

44-100, Poland^1

关键词: Bed technology;    Coal beneficiation;    Combustible materials;    Gravitational separation;    Laboratory test;    Mine wastes;    Mining waste;    Waste rocks;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/427/1/012025/pdf
DOI  :  10.1088/1757-899X/427/1/012025

来源: IOP

【 摘 要 】

Mining waste deposits (heaps) consist mainly of the waste rock, however, they may contain significant amount of coal, which was left after the coal beneficiation process. The laboratory tests, that verified possibilities of applying the technology used in the process of gravitational separation of raw minerals for recovery of grain class 6-0 mm are presented. The concept of recovering the combustible materials from mine waste by integration of the jig beneficiation technology with autogenous suspension bed technology is discussed.