Theory Of Operation; Measurement Principle; Trs Conversion - Teledyne T102 Operation Manual

10. THEORY OF OPERATION

10.1. Measurement Principle

10.1.1. TRS Conversion

07267B DCN6485
The T102 is a modified T101 which, when used in conjunction with a M501-TRS
determines the concentration of total reduced sulfur (TRS), in a sample gas drawn
through the instrument In most ways the theory of operation of the T102 & M501-TRS
system is identical to the T101 theory of operation as described in the Theory of
Operation Chapter in the T101 Manual - PN 07266.
This section describes those areas where differences between the T102 and the T101
exist as well as updated information made available since the publication date of the
T101 Manual - PN 07266.
This section supersedes the Measurement Principle section in the T101 Manual - PN
07266
The T102 TRS analyzer is basically an SO
M501-TRS) inserted into the gas stream before the sample gas enters the sample
chamber.
The M501-TRS, receives sample gas from the T102 after it has been passed through a
particulate filter and has been scrubbed of hydrocarbon interferents. Once inside the
M501-TRS the sample gas is scrubbed of all naturally occurring SO
through a special quartz converter which heats the gas to a very high temperature
causing it to react with the O
manner .
TRS + O
For TRS compounds, the converter is most efficient when it operates at 850°C,
converting >95% of the TRS into SO
front panel of the M501-TRS
When the converter is operating at peak efficiency there is a nearly 1:1 relationship
between the amount of TRS entering the converter and the amount of SO
Therefore, by measuring the amount of SO
amount of TRS originally present on the sample gas can be directly inferred.
analyzer with a TRS  SO
2
present in the sample gas creating SO
2
 SO
2 2
. The converter temperature is viewable via the
2
in the gas after it leaves the converter, the
2
converter (the
2
, then passed
2
in the following
2
Equation 10-1
leaving it.
2
55