Using quadrupole mass spectrometry for on-line gas analysis - Gasification of biomass and refuse derived fuel

C. D. Le, S. T. Kolaczkowski, D. W. J. McClymont

Research output: Contribution to journalArticle

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Abstract

A quantitative method of on-line gas analysis was developed, using quadrupole mass spectrometry to measure gas composition when charcoal, wood, straw, and refuse derived fuel were gasified. Despite overlapping between some of the species, the method was demonstrated on small-scale laboratory gasifiers, recording the main components (e.g. N2 ∼ 54-67 vol.%; H2 ∼ 5-13 vol.%; CO2 ∼ 15-17 vol.%; CO ∼ 10-17 vol.%), and lower levels of CH4 (∼1-2 vol.%) and O (∼0.1-1 vol.%) in the gas. Trace levels of HS (∼100-300 ppmv) and COS (∼10-30 ppmv) were also measured (important for gas clean-up strategies). On-line measurements were performed on a commercial pilot-scale down-draft gasifier (using waste wood), and the concentrations of HS varied from 200 to 700 ppmv, and COS from 7 to 17 ppmv. The ratio of HS: COS was higher than in the laboratory trials - probably because of COS hydrolysis reactions taking place in the wet scrubbing systems.

LanguageEnglish
Pages337-345
Number of pages9
JournalFuel
Volume139
Early online date16 Sep 2014
DOIs
StatusPublished - 1 Jan 2015

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Refuse derived fuels
Gas fuel analysis
Gasification
Mass spectrometry
Biomass
Gases
Carbon Monoxide
Wood wastes
Charcoal
Straw
Hydrolysis
Wood
Chemical analysis

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Using quadrupole mass spectrometry for on-line gas analysis - Gasification of biomass and refuse derived fuel. / Le, C. D.; Kolaczkowski, S. T.; McClymont, D. W. J.

In: Fuel, Vol. 139, 01.01.2015, p. 337-345.

Research output: Contribution to journalArticle

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abstract = "A quantitative method of on-line gas analysis was developed, using quadrupole mass spectrometry to measure gas composition when charcoal, wood, straw, and refuse derived fuel were gasified. Despite overlapping between some of the species, the method was demonstrated on small-scale laboratory gasifiers, recording the main components (e.g. N2 ∼ 54-67 vol.{\%}; H2 ∼ 5-13 vol.{\%}; CO2 ∼ 15-17 vol.{\%}; CO ∼ 10-17 vol.{\%}), and lower levels of CH4 (∼1-2 vol.{\%}) and O (∼0.1-1 vol.{\%}) in the gas. Trace levels of HS (∼100-300 ppmv) and COS (∼10-30 ppmv) were also measured (important for gas clean-up strategies). On-line measurements were performed on a commercial pilot-scale down-draft gasifier (using waste wood), and the concentrations of HS varied from 200 to 700 ppmv, and COS from 7 to 17 ppmv. The ratio of HS: COS was higher than in the laboratory trials - probably because of COS hydrolysis reactions taking place in the wet scrubbing systems.",
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N2 - A quantitative method of on-line gas analysis was developed, using quadrupole mass spectrometry to measure gas composition when charcoal, wood, straw, and refuse derived fuel were gasified. Despite overlapping between some of the species, the method was demonstrated on small-scale laboratory gasifiers, recording the main components (e.g. N2 ∼ 54-67 vol.%; H2 ∼ 5-13 vol.%; CO2 ∼ 15-17 vol.%; CO ∼ 10-17 vol.%), and lower levels of CH4 (∼1-2 vol.%) and O (∼0.1-1 vol.%) in the gas. Trace levels of HS (∼100-300 ppmv) and COS (∼10-30 ppmv) were also measured (important for gas clean-up strategies). On-line measurements were performed on a commercial pilot-scale down-draft gasifier (using waste wood), and the concentrations of HS varied from 200 to 700 ppmv, and COS from 7 to 17 ppmv. The ratio of HS: COS was higher than in the laboratory trials - probably because of COS hydrolysis reactions taking place in the wet scrubbing systems.

AB - A quantitative method of on-line gas analysis was developed, using quadrupole mass spectrometry to measure gas composition when charcoal, wood, straw, and refuse derived fuel were gasified. Despite overlapping between some of the species, the method was demonstrated on small-scale laboratory gasifiers, recording the main components (e.g. N2 ∼ 54-67 vol.%; H2 ∼ 5-13 vol.%; CO2 ∼ 15-17 vol.%; CO ∼ 10-17 vol.%), and lower levels of CH4 (∼1-2 vol.%) and O (∼0.1-1 vol.%) in the gas. Trace levels of HS (∼100-300 ppmv) and COS (∼10-30 ppmv) were also measured (important for gas clean-up strategies). On-line measurements were performed on a commercial pilot-scale down-draft gasifier (using waste wood), and the concentrations of HS varied from 200 to 700 ppmv, and COS from 7 to 17 ppmv. The ratio of HS: COS was higher than in the laboratory trials - probably because of COS hydrolysis reactions taking place in the wet scrubbing systems.

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