Method and apparatus for beneficiating coal

Patent · Tue Apr 06 00:00:00 EST 1982

OSTI ID:5180192

Pelletier, R A

A method and apparatus for beneficiating a mixture of coal and a denser material are provided. The coal and ash mixture and a liquid medium are deposited into a rotating, sloping barrel having internal spiral flights and foraminous end sections. Coal and medium travel downwardly and the denser material is screwed upwardly. The positions of deposit of the mixture and the medium are adjustable, as are the rates of rotation of the barrel and the angle of the barrel.

• Assignee: EDB-82-136066
• Patent Number(s): US 4323449
• OSTI ID: 5180192
• Resource Relation: Patent File Date: Filed date 14 Nov 1980; Other Information: PAT-APPL-206961
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
COAL
REFINING
COAL PREPARATION
DENSITY
EQUIPMENT
INERTIAL SEPARATORS
ROTATION
CARBONACEOUS MATERIALS
COMMINUTION
ENERGY SOURCES
FOSSIL FUELS
FUELS
MATERIALS
MOTION
PHYSICAL PROPERTIES
POLLUTION CONTROL EQUIPMENT
PROCESSING
SEPARATION EQUIPMENT
010402* - Coal
Lignite
& Peat- Purification & Upgrading
013000 - Coal
Lignite
& Peat- Transport
Handling
& Storage