Float/sink treatment of crushed coal in solutions of monosaccharides and disaccharides

Patent · Tue Jan 17 00:00:00 EST 1984

OSTI ID:7153674

Meyers, R A; Hart, W D

A method for removing ash, sulfur and inertinite from crushed coal includes float/sink treatment in aqueous solutions of monosaccharides, disaccharides, hydrogenated monosaccharides, hydrogenated disaccharides and mixtures thereof. Such solutions also improve the performance of such heavy media physical cleaning equipment as cyclones, heavy media baths, tables, spirals, hydroclones, flotation cells, jigs and solid-bowl centrifuges.

• Assignee: TRW Inc.
• Patent Number(s): US 4426281
• OSTI ID: 7153674
• Resource Relation: Patent File Date: Filed date 21 Sep 1981; Other Information: PAT-APPL-303740
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
COAL FINES
DEASHING
DESULFURIZATION
FLOTATION
REAGENTS
MACERALS
REMOVAL
AQUEOUS SOLUTIONS
ASHES
CENTRIFUGES
COAL PREPARATION
CYCLONE SEPARATORS
HEAVY MEDIA SEPARATION
JIGS
MIXTURES
MONOSACCHARIDES
PERFORMANCE
POLYSACCHARIDES
PRECIPITATION
PROCESS SOLUTIONS
SEPARATION EQUIPMENT
SULFUR
SULFUR CONTENT
TABLES
CARBOHYDRATES
CHEMICAL REACTIONS
CONCENTRATORS
DISPERSIONS
ELEMENTS
EQUIPMENT
INERTIAL SEPARATORS
NONMETALS
ORGANIC COMPOUNDS
POLLUTION CONTROL EQUIPMENT
RESIDUES
SACCHARIDES
SEPARATION PROCESSES
SOLUTIONS
013000* - Coal
Lignite
& Peat- Transport
Handling
& Storage
010402 - Coal
Lignite
& Peat- Purification & Upgrading