Process for separating anthracite coal from impurities

Patent · Mon May 06 00:00:00 EDT 1985

OSTI ID:5651037

Stiller, D W; Stiller, A H

A process is described for separating a first mixture including previously mined anthracite coal, klinker-type cinder ash and other refuse consisting of: a. separating the first mixture to produce a refuse portion and a second mixture consisting of anthracite and klinker-type cinder ash, b. reducing the average particle size in the second mixture to a uniform size, c. subjecting the second mixture to a separating magnetic field to produce a klinker-type cinder ash portion and an anthracite coal portion.

• Assignee: NOV; NOV-85-013201; EDB-86-124901
• Patent Number(s): US 4586660
• OSTI ID: 5651037
• Resource Relation: Patent File Date: Filed date 30 Apr 1984
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
ANTHRACITE
PURIFICATION
ASHES
COAL FINES
DEASHING
IMPURITIES
MAGNETIC SEPARATORS
MIXTURES
PARTICLE SIZE
SEPARATION PROCESSES
BLACK COAL
CARBONACEOUS MATERIALS
COAL
CONCENTRATORS
DISPERSIONS
ENERGY SOURCES
FOSSIL FUELS
FUELS
MATERIALS
RESIDUES
SIZE
013000* - Coal
Lignite
& Peat- Transport
Handling
& Storage