Modification of the floatability of coal pyrites

Conference · Mon Jan 01 04:00:00 EST 1979

OSTI ID:6172044

Wheelock, T D; Ho, T K

The effect of various flotation depressants and surface treatments on the floatability of coal derived pyrites in the presence of MIBC was investigated with a modified Hallimond tube microflotation cell. The floatability of pyrite particles which had been cleaned with hot dilute (5%) hydrochloric acid was relatively large. However, the floatability of such particles was reduced greatly by the addition of specific depressants such as calcium hydroxide and also by treating the pyrite with an aerated warm alkaline solution. Although this treatment and these depressants also had some effect on the floatability of coal particles, the effect was much less than on the pyrite particles.

• Research Organization: Ames Lab., IA (USA)
• DOE Contract Number: W-7405-ENG-82
• OSTI ID: 6172044
• Report Number(s): IS-M-169; CONF-790219-7
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
013000* -- Coal
Lignite
& Peat-- Transport
Handling
& Storage
CARBONACEOUS MATERIALS
CHALCOGENIDES
CHEMICAL REACTIONS
COAL
COAL PREPARATION
COMMINUTION
DESULFURIZATION
ENERGY SOURCES
FLOTATION
FOSSIL FUELS
FUELS
IRON COMPOUNDS
IRON SULFIDES
MINERALS
ORES
PYRITE
PYRITES
REMOVAL
SEPARATION PROCESSES
SULFIDES
SULFUR COMPOUNDS
SULFUR ORES
SURFACE TREATMENTS
TRANSITION ELEMENT COMPOUNDS