Hazardous Waste Disposal with Thermal Oxidation - John Zink ...
Hazardous Waste Disposal with Thermal Oxidation - John Zink ...
Hazardous Waste Disposal with Thermal Oxidation - John Zink ...
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<strong>Waste</strong> Containing Combustible Fine Solids -<br />
Acceptable Levels of NOx and/or SOx<br />
The following two block diagrams show configurations of a process to dispose of a waste-containing<br />
combustible fine solids (less than 500 microns particle size), which produces flue gas containing<br />
acceptable amounts of SOx and/or NOx.<br />
Configuration 6.1 consists of a cyclonic T.O. in which a high radial gas velocity causes the denser<br />
solid particles to be preferentially “slung” to the wall, thus markedly increasing their retention time.<br />
WASTE EXAMPLE PRODUCTS OF OXIDATION<br />
GAS / SOLID CO + H 2/C FG, NO XA<br />
AIR<br />
FUEL<br />
HOPPER<br />
Configuration 6.1 : <strong>Waste</strong> Process<br />
CYCLONIC T.O.<br />
Configuration 6.2 shows a cyclonic T.O. fitted <strong>with</strong> a heat recovery boiler which produces steam<br />
to lower the flue gas temperature to 350° F.<br />
17<br />
STACK<br />
FLUE GAS<br />
WASTE EXAMPLE PRODUCTS OF OXIDATION<br />
GAS / SOLID<br />
CO + H2/C FG, NOXA AIR<br />
FUEL<br />
HOPPER<br />
CYCLONIC T.O.<br />
Configuration 6.2 : <strong>Waste</strong> Process<br />
STEAM<br />
BOILER<br />
STACK<br />
FLUE GAS
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