Control of Volatile Organic Compounds Emissions from Manufacturing

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averages for the month of August 1981. The following are considered
design parameters:
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a)
heat input =2.18 MJ/s (7.45 x lo6 Btu/hr),
,,,,,,,,, 8 88 , , , ,, ,
b) air supply 515.1 standaid m3/s & 'd" (33,900 scfm, at 60O'~)
c) firebox temperature ~980°C average and 1,200°C maximum (1,800
average and 2,200°F maximum),
d) firebox residence time ~1.5 seconds, and
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e) pressure 519 kPa (78 in. H,O).
D.2.1.2
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Sampl ing and ~nal ytical Techniques. A secondary purpose
of the ARC0 incinerator test was to compare results of different
analytical methods for to the measdrement of VOC missions. During
the testing phase of this program, three differen.t1 methods were used
for the col lection and analysis of hydrocarbons. These were:
a) EPA Method 25, 1
b) Proposed EPA ~ethod18 (both on-site and off-site analyses
performed), and
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c) Byron instruments Model 90 sample collection system and
Model 401 hydrocarbon analyzer sampling system and instrument
combination.
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To characterize the VOC destruction efficiency across the thermal
Incinerator, liquid, solid, and gas phase samplirig was performed.
sampl ing locations were:
he
a)
~ncin'erator inlet - waste gas stream
- natural gas stream
-atactic waste stream , ,,,,, ,,
,,, ,, ,, , ,
' , ,, , , , ,
, , , 8 ,;; , #, ,, 8 8, 8 , , , ,,
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b) Waste heat boiler outlet, and
c) Scrubber stack out1 et (volumetric flow rate).
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The sampling system used for Method 25 consmisted of a mini-impinger
moisture knockout, a condensate trap, flow control system, and a
sample tank. Both pre- and post-sampling leak tests were performed lo
ensure sample integrity. In the case of Method 18, samples were
collected using a modification of EPA Method 110 for benzene, This
modification was necessary due to the high moistlare content of the
incinerator gases and the positive pressure of the emissions. To
ensure that a representative, integrated sample was collected using
the modified Method 18, three val idation tests for sample flow rate
and sample volume into the Tedlar bag were performed.
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