1989-11-22_REVISION - M1988112

• Permit No: M1988112
• IBM Index Class Name: Revision
• Doc Date: 11/22/1989
• Doc Name: TAILINGS COLUMN TESTING PROCEDURES BATTLE MTNS SAN LUIS PROJECT
• Type & Sequence: AM1
• Media Type: D
• Archive: No

.3E
TABLE 1. - KINETIC ACID MINE DRAINAGE PREDICTION TECHNIQUES
(Adapted from Ferguson, 1985 and Ferguson and Erickson, 1986)
B.G. Research - sample placed in Z70 ml Erlenmeyer Frequent iy
Confirmation flask with 70 ml nutrient media, used for
Test culture of Thiobacillus metal mines
ferrooxldans at pH 2.2-2.5. Sn Canada
- Flask placed on gyratory shaker at
35° C in C02 enriched atmopshere.
- pH monitored and additional sample
added.
- If pH rises substantially then
sample non-acid producer.
- If pH remains low then sample
otentlal acid roducer.
i
3.
ruynesteyn and
Haekl
(1984)
Flasks - Sample placed in 1L Erlenmeyer Infrequently Davldge
flask with 600 ml of water or used for
nutrient solution. metal mines Halbert,
- Series of samples tested at various in Canada et al.,
starting pH, inoculation, and (1983)
temperature.
- Samples incubated for up to
3 months.
- Leachates analyzed weekly and bi-
weekly for range Of parameters.
Reactor - Standard or modified Soxhlet Infrequently Sullivan and
reactor used.. used in coal Sobek (1982)
- Nater placed in reservoir, fields of
vaporized and passed Into Appalachia,
condenser. Condensed liquid drips U.S.A. Rentcn (1983)
into thimble with sample and thence
back into the reservoir.
- Leachate analyzed after 64-192 hrs.
for a ran a of arameters.
:y Cell - Sample placed Sn plexiglass Relatively Carucclo
container connected to humid if led common in et al.,
air. coal fields (1977)
- Humidified air passed over sample
for 3 days.
- Dry air passed over sample for of Caruecio
3 days and 200 ml of water added on Appalachia, et al.,
seventh day. U.S.A. (1980)
- Leachate removed and analyzed for
range of parameters.
- Procedure repeated for 8-10 weeks.
I