Inhibitor for inhibiting carbonaceous powder from heating up/spontaneously igniting and method of inhibiting carbonaceous powder from heating up/spontaneously igniting
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United States of America Patent
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N/A
Issued Date -
Apr 10, 2003
app pub date -
May 31, 2002
filing date -
Dec 2, 1999
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Provided as a temperature-up.multidot.spontaneous ignition inhibitor for carbonaceous powder which can inhibit carbonaceous powder such as coal and carbon blacks from temperature-up and spontaneous ignition in stacking or during storing is (1) a temperature-up.multidot.spontaneous ignition inhibitor for carbonaceous powder comprising at least one substance selected from a radical scavenger and an oxygen scavenger or (2) a temperature-up.multidot.spontaneous ignition inhibitor for carbonaceous powder comprising an amine base cationic surfactant having a hydrocarbon group having 4 to 22 carbon atoms and a nonionic surfactant. Further, provided is a temperature-up.multidot.spontaneous ignition-inhibiting method for carbonaceous powder, characterized by spraying the above temperature-up.multidot.spontaneous ignition inhibitor for carbonaceous powder on carbonaceous powder.
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