Analytical pyrolysis principles and applications to environmental science

Research output: Chapter in Book/Report/Conference proceedingChapterResearchpeer-review

3 Citations (Scopus)

Abstract

Pyrolysis is the heating of organic substances in an inert, oxygen-free atmosphere, thereby avoiding combustion. When performed on a large scale, pyrolysis is involved in industrial processes as diverse as the manufacture of coke from coal and the conversion of biomass into biofuels. In contrast, analytical pyrolysis is a laboratory procedure in which small amounts of organic materials undergo thermal treatment, the products of which are subsequently quantified and/or characterized, for example, by gas chromatography. The pyrolysis may be performed “off-line” or “on-line.” In the off-line case, pyrolysis occurs in stand-alone reactor. The pyrolysis products are then extracted or trapped manually prior to further evaluation by chromatographic or other means. In on-line methods, the pyrolysis reactor is coupled directly to the analytical system, be it the injector of a gas chromatograph or a detector such as a flame ionization device or a mass spectrometer, with the pyrolyzate swept along its course by inert carrier gas. In some cases, a trapping mechanism such as cryofocusing is employed, which can permit the use of multiple detection or analytical systems. On-line methods typically only require milligram or even submilligram quantities of sample. Samples may be analyzed with little pretreatment, thereby minimizing the use of hazardous solvents in the spirit of environmentally conscious “green chemistry.”

Original languageEnglish
Title of host publicationEnvironmental Applications of Instrumental Chemical Analysis
PublisherApple Academic Press
Pages533-570
Number of pages38
ISBN (Electronic)9781482262643
ISBN (Print)9781771880619
DOIs
StatePublished - 1 Jan 2015

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pyrolysis
Pyrolysis
Gases
Biofuels
Coal
Mass spectrometers
environmental science
gas
biofuel
Coke
Gas chromatography
Ionization
trapping
gas chromatography
Biomass
ionization
spectrometer
combustion
Heat treatment
coal

Cite this

Kruge, M. (2015). Analytical pyrolysis principles and applications to environmental science. In Environmental Applications of Instrumental Chemical Analysis (pp. 533-570). Apple Academic Press. https://doi.org/10.1201/b18376
Kruge, Michael. / Analytical pyrolysis principles and applications to environmental science. Environmental Applications of Instrumental Chemical Analysis. Apple Academic Press, 2015. pp. 533-570
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Kruge, M 2015, Analytical pyrolysis principles and applications to environmental science. in Environmental Applications of Instrumental Chemical Analysis. Apple Academic Press, pp. 533-570. https://doi.org/10.1201/b18376

Analytical pyrolysis principles and applications to environmental science. / Kruge, Michael.

Environmental Applications of Instrumental Chemical Analysis. Apple Academic Press, 2015. p. 533-570.

Research output: Chapter in Book/Report/Conference proceedingChapterResearchpeer-review

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Kruge M. Analytical pyrolysis principles and applications to environmental science. In Environmental Applications of Instrumental Chemical Analysis. Apple Academic Press. 2015. p. 533-570 https://doi.org/10.1201/b18376