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Chapter 1
Product Overview
Thermo Scientific
SOLA II Flare User Manual
1-6
PUVF Detector
The PUVF detector includes and controls the following:
UV pulsed light and associated systems
Reaction chamber temperature control
Digitizing of the PMT signal
Smoothing of the measurement signal using the moving average
Pyrolyzer
Measuring total sulfur with the PUVF detection method requires the
conversion of all sulfur compounds in the sample to SO
2
. This is typically
accomplished with the pyrolyzer, an electrically heated furnace designed by
Thermo Scientific. The pyrolyzer typically operates at a temperature of 1100°C
(2012°F) to oxidize sulfur without the need for a catalyst.
Figure 1-2. Pyrolyzer
Injection Valve
Using two sample injection volumes (low range 100 μl sample loop / high range
1 μl sample loop) to achieve the 100:1 dilution ratio allows approximately the
same amount of sulfur to the detector when operating at the high end of both
measuring ranges.
Air bath oven operates up to
110ºC to maintain the sample
in the vapor phase
10-port low range sample
injection valve
6-port high range sample
injection valve
Range select valve
Process/Cal Panel selection
valve (optional)
Pyrolyzer operates at 1100ºC
Back-pressure regulator
Mixing chamber
Forward-pressure regulator
Содержание SOLA II Flare
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