THERMAL DETOXICATION OF PESTICIDES Russian patent published in 2013 - IPC B09B3/00 

FIELD: process engineering.

SUBSTANCE: invention relates to detoxication of solid wastes and may be used for detoxication pesticides and similar chemicals. Propose method comprises feeding pesticides into kiln, pyrolysis of organic fraction of pesticides in kiln liquid bed from alkaline reagents melt, discharge of slag into slag chamber, afterburning of flue gases in afterburning chamber, cleaning of flue gases from acidic components, cleaning of flue gases of unburnt organic toxins and carbon dioxide in catalytic reactor, feeding flue gases in recuperator for heating combustion air, fuel gas cooling in gas cooler, fine cleaning of flue gases from fine particles in bag filter, additional cleaning in adsorber and feeding glue gases into chimney. Pyrolysis of pesticide organic fraction is carried out in continuously swinging kiln with molten pool of alkaline reagents with periodical discharge of slag in slag chamber. Feed of pesticides and alkaline reagents into kiln is performed after regular discharge of slag. Flue gas cleaning in catalytical reactor is carried out after fine flue gas cleaning of dust in bag filter and heating by flue gas heat in heat exchange mounted downstream of afterburning chamber.

EFFECT: higher rate and efficiency of decomposition in pyrolysis.

4 cl