2009
DOI: 10.1063/1.3081015
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Principle, calibration, and application of the in situ alkali chloride monitor

Abstract: The extended use of biomass for heat and power production has caused increased operational problems with fouling and high-temperature corrosion in boilers. These problems are mainly related to the presence of alkali chlorides (KCl and NaCl) at high concentrations in the flue gas. The in situ alkali chloride monitor (IACM) was developed by Vattenfall Research and Development AB for measuring the alkali chloride concentration in hot flue gases (less than or approximately 650 degrees C). The measurement technique… Show more

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Cited by 35 publications
(34 citation statements)
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“…Uncertainties due to salt losses, non-uniform temperature profile, and pressure build-up in the previous calibration 023112- 8 Leffler et al…”
Section: -7mentioning
confidence: 99%
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“…Uncertainties due to salt losses, non-uniform temperature profile, and pressure build-up in the previous calibration 023112- 8 Leffler et al…”
Section: -7mentioning
confidence: 99%
“…The differences are significantly higher than the uncertainties estimated for the cell vapour pressures as described above and are probably related to the original calibration procedure on which the absorption evaluation is based. 8 In the evaluation, the measured spectrum is fitted to a calibration spectrum measured during continuous evaporation of a certain mass of KCl transported through a calibration cell placed in a furnace. 8 Possible sources of error are salt losses during transport to the cell, a non-uniform temperature profile in the furnace, and pressure build-up in the calibration cell.…”
Section: -7mentioning
confidence: 99%
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