SBIR/STTR Research Award

IMPROVED COARSELY PACKED COLUMN FLOTATION FOR FINE COAL CLEANING

Award identifier ffefb73c1c49da0b23de260fb225d285aa3ba10e8af73007a93bdad2081b1fc0Awarding agency Department of Energy

Award amount

$50,000

Program and phase

SBIR · Phase I

Award year

1992

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Award details

Awarding agency
Department of Energy
Branch
Not reported
Recipient company
Mineral Technologies Internati
Proposal award date
Not reported
Contract end date
Not reported
UEI
Not reported
Solicitation number
Not reported
Topic code
Not reported

Research abstract

THIS PROJECT IS STUDYING THE FEASIBILITY OF USING THE IMPROVED COARSELY PACKED COLUMN FLOTATION FOR FINE COAL CLEANING. THIS NEW CONCEPT HAS DEMONSTRATED TECHNICAL SUCCESS AT VARIOUS MINERAL PROCESSING SECTORS OF THE MINING INDUSTRY. THE NEW FLOTATION SYSTEM ALLOWS SIGNIFICANT INCREASE OF THE THROUGHPUT WITHOUT COMPROMISING MINERAL CONCENTRATION PERFORMANCE. HOWEVER, THE COARSELY PACKED COLUMN HAS NOT BEEN TESTED TO RECOVER COAL FINES IN THE U.S.. THE PHASE I RESEARCH IS A LABORATORY SCALE STUDY TO INVESTIGATE THE PLANNED METHOD FOR COAL CLEANING. IT WILL DEMONSTRATE THE RECOVERY OF PREMIUM COAL FROM SELECTED FEED SAMPLES, INCLUDING ONE FRESHLY GROUND RAW COAL AND ONE FROM A PLANT EFFLUENT. VARIOUS OPERATING VARIABLES ARE BEING INVESTIGATED TO ACHIEVE HIGH YIELD AND MAXIMUM ASH AND PYRITIC SULFUR REMOVAL. THE RESULTS ARE BEING EVALUATED FOR THEIR TECHNICAL AND ECONOMIC MERITS, IN COMPARISON WITH STANDARD FLOTATION TESTS.

Technology keywords

Not reported

Agency intelligence

Department of Energy

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