-
sorption (on charcoal)
of diluted VOC from a cold, polluted air, thermal
desorption by nitrogen (~ 95 %) of a more concentrated VOC/N2
flow,
-
mixing of the flow #2 with an enriched air (~ 40 % O2)
and obtaining a much richer VOC/air mixture, still below its explosive/flammability
limit,
-
GlidArc I or II assisted combustion
of the #3 mixture,
-
removal of combustion products by washing or a specific absorption
stage,
-
mixing of unburned VOC (after step #4 or #5) with initial
stream of the polluted air; return à
#1.
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