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Methane emission rate studies in a central Pennsylvania mine.

Authors
Krickovic-S; Findlay-C
Source
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, RI 7591, 1971 Jan; :1-9
NIOSHTIC No.
10000616
Abstract
A methane emission rate study was conducted in 1969 on a longwall section of a Lower Kittanning coalbed mine in central Pennsylvania . The longwall face was mined with a drum shearer between developed headings on the head end and headings on the tail end that were driven with a ripper-type continuous miner as needed. The study was conducted over 22 consecutive shifts (7-1/3 days). The average methane emission rate from the Lower Kittanning coalbed during mining at the face and developing the headings at the tail end of the face was 34 cfm. Caving of the gassy overlying strata as the result of mining at the face increased the methane emission to rates ranging from 702 to 1,049 cfm.
Keywords
Emission-sources; Mine-gases; Mining-industry; Methanes; Methane-drainage; Methane-control; Explosive-gases; Explosive-atmospheres; Underground-mining; Coal-mining; Control-technology; Engineering-controls
CAS No.
74-82-8
Publication Date
19710101
Document Type
IH; Report of Investigations
Fiscal Year
1971
NTIS Accession No.
PB-206359
NTIS Price
A02
Identifying No.
RI-7591
NIOSH Division
PRC
Source Name
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, RI 7591
State
PA
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