Agent for the suppression of coal dust
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United States of America Patent
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-
Mar 9, 1993
Grant Date -
N/A
app pub date -
Jul 10, 1991
filing date -
Jul 10, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Compositions and methods are provided for controlling dust production from coal, for controlling dust losses from coal, for reducing decrepitation, and for facilitating cold-weather handling of coal. The compositions comprise blending oil and petroleum resin where the blending oil can comprise reclaimed motor oil, light or heavy oil obtained from the refining of petroleum crude, virgin or reprocessed vegetable or animal oils, or oils of mineral origin, and where the petroleum resin comprises resin obtained from the deresination of cylinder stocks or cylinder stock itself, or a combination thereof. The petroleum resin may also contain optional ingredients such as diesels and/or bright stock for motor oils to reduce viscosity.
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