Change search
ReferencesLink to record
Permanent link

Direct link
Detection of acetylene impurities in ethylene and polyethylene manufacturing processes using tunable diode laser spectroscopy in the 3-mu m range
Umeå University, Faculty of Science and Technology, Department of Physics.
Show others and affiliations
2011 (English)In: Applied physics. B, Lasers and optics (Print), ISSN 0946-2171, E-ISSN 1432-0649, Vol. 105, no 2, 427-434 p.Article in journal (Refereed) Published
Abstract [en]

Using recently developed GaInAsSb/AlGaInAsSb DFB lasers, tunable diode laser spectroscopy (TDLS) has been extended into the 3-mu m wavelength region for the detection of acetylene impurities in hydrocarbon compounds encountered in ethylene manufacturing. Measurements of acetylene in pure polymer grade ethylene and in a gas mixture of ethylene and ethane typical of the process stream around a hydrogenation reactor have been performed. Using a procedure incorporating subtraction of a hydrocarbon background spectrum a detection limit of 5 ppb m was achieved under ordinary laboratory conditions. Under forced temperature cycling conditions, the detection limit deteriorated to 180 ppb m, due to temperature drift caused by optical interferences generated by reflections in the laser TO8 can.

Place, publisher, year, edition, pages
Berlin: Springer-Vlg , 2011. Vol. 105, no 2, 427-434 p.
National Category
Atom and Molecular Physics and Optics
URN: urn:nbn:se:umu:diva-49224DOI: 10.1007/s00340-011-4645-6ISI: 000295938100035OAI: diva2:455792
Available from: 2011-11-11 Created: 2011-11-04 Last updated: 2011-11-14Bibliographically approved

Open Access in DiVA

No full text

Other links

Publisher's full text

Search in DiVA

By author/editor
Axner, OveWestberg, Jonas
By organisation
Department of Physics
In the same journal
Applied physics. B, Lasers and optics (Print)
Atom and Molecular Physics and Optics

Search outside of DiVA

GoogleGoogle Scholar
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

Altmetric score

Total: 76 hits
ReferencesLink to record
Permanent link

Direct link