Abstract
The best method of controlling varnish kettle emissions is by thermal incineration. Two new approaches have been developed; these utilize the integral-blower burner and the non-powered raw gas burner. Both of these new approaches offer significant advantages over conventional methods of incineration. Installation, operating, and maintenance costs are substantially reduced when either approach is utilized. When compared to conventional methods, the new approaches achieve an increase of 100% in mixing velocity or turbulence. This results in a reduction of 20% in fuel consumption. Residence time is reduced by 29% via the non-powered raw gas burner approach. An average reduction of 65% is obtained in the length to diameter ratio. Choice of which approach depends upon several factors, primarily the type of fuel available and the minimum oxygen concentration in the fume stream.
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