Effect of fracture modes on shape and size of coal particles and separation of phases

Journal Article · Sat Jan 01 00:00:00 EST 1983 · Prepr. Pap., Am. Chem. Soc., Div. Fuel Chem.; (United States)

OSTI ID:5370487

Lytle, J M ^[1]; Bunnell, L R; Prisbrey, K A

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1. Pacific Northwest Lab., Richland, WA

Microscopy, shape, size and sulfur analyses are used to show the influence of fracture modes and mechanisms on shape and size of coal particles and separation of phases. During the grinding, the modes and mechanisms of fracture change with time and particle size. Fracture tends to proceed preferentially first along organic-to-organic interfaces, then along organic-to-mineral interfaces and crack and pores. Also, phases that are lean in organic sulfur are found to concentrate in finer particles, and organic sulfur rich phases in coarser particles.

• OSTI ID: 5370487
• Report Number(s): CONF-830814-Vol.3
• Journal Information: Prepr. Pap., Am. Chem. Soc., Div. Fuel Chem.; (United States), Vol. 28:4; Conference: 186. national meeting of the American Chemical Society, Washington, DC, USA, 28 Aug 1983
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
COAL
FRACTURE MECHANICS
FRACTURE PROPERTIES
MICROSCOPY
ORGANIC SULFUR COMPOUNDS
PARTICLE SIZE
SHAPE
CARBONACEOUS MATERIALS
ENERGY SOURCES
FOSSIL FUELS
FUELS
MATERIALS
MECHANICAL PROPERTIES
MECHANICS
ORGANIC COMPOUNDS
SIZE
010600* - Coal
Lignite
& Peat- Properties & Composition
013000 - Coal
Lignite
& Peat- Transport
Handling
& Storage