Prevention of acid drainage from coal refuse

Conference · Wed Dec 01 04:00:00 EST 1982 · Univ. Ky., Off. Eng. Serv., (Bull.); (United States)

OSTI ID:5288441

Stancel, W J

It has been demonstrated by the US Bureau of Mines, academia, and others that the abundance of acid drainage that flows from pyritic coal refuse, pyrite-bearing coal, and pyritic overburden is associated with the surface activity of this pyritic material and an iron-oxidizing bacterium, Thiobacillus ferrooxidans. More recently, it has been demonstrated that certain chemical compounds can affect this surface activity and the bacterium's ability to oxidize the pyrite. Treatment of the pyritic material with these chemical compounds will therefore reduce or eliminate its potential for acid drainage. Based on laboratory work and many field applications, an improved chemical treatment system has been developed. It has been shown that this chemical treatment system can effectively and economically reduce acid production from pyrite-bearing coal refuse.

• Research Organization: Witco Chemical Corp., Melrose Park, IL
• OSTI ID: 5288441
• Report Number(s): CONF-821175-
• Conference Information: Journal Name: Univ. Ky., Off. Eng. Serv., (Bull.); (United States)
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
010800* -- Coal
Lignite
& Peat-- Waste Management
012000 -- Coal
Lignite
& Peat-- Mining
520200 -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
ACID MINE DRAINAGE
ADDITIVES
BACILLUS
BACTERIA
BENCH-SCALE EXPERIMENTS
CHALCOGENIDES
CHEMICAL REACTIONS
COAL MINING
DISSOLUTION
FIELD TESTS
INHIBITION
IRON COMPOUNDS
IRON SULFIDES
LEACHING
MANAGEMENT
MICROORGANISMS
MINERAL WASTES
MINERALS
MINING
NATIONAL ORGANIZATIONS
OXIDATION
POLLUTION
PROCESSING
PYRITE
SEPARATION PROCESSES
SOLID WASTES
SULFIDE MINERALS
SULFIDES
SULFUR COMPOUNDS
SULFUR-OXIDIZING BACTERIA
TESTING
THIOBACILLUS FERROXIDANS
TRANSITION ELEMENT COMPOUNDS
US BUREAU OF MINES
US DOI
US ORGANIZATIONS
WASTE MANAGEMENT
WASTE PROCESSING
WASTES
WATER POLLUTION