WFRF:(Malmberg Donald)
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- Malmberg, DonaldMEFOS, Luleå, Sweden (author)
On-line Gas Analysis using Microwave Technology
- Article/chapterEnglish2003
Publisher, publication year, extent ...
- 2003
- electronicrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:hh-1953
- https://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-1953URI
Supplementary language notes
- Language:English
- Summary in:English
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- SwePubSwePub
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Notes
- Microwave technology has for decades been a tool for astronomers in their work to map and understand the complexities of the universe due to composition and extent. The technology is also frequently used on laboratory scale to examine properties of atomic and molecular compounds. Combining the knowledge gained in those these fields of research and transferring it to the environment of the Steel and metal industry, a project to investigate microwave spectroscopy for on-line process control has been launched. Due to the fact that the dynamic in most metallurgical processes as well as combustion processes is very fast and the response time for conventional extractive gas analysers is long, off-gas analysis for on-line process control is not expedient with this technology. On the other hand, by exploiting microwave technology, its short response time and high sensitivity for gas analysis, disadvantages such as long response time could be eliminated, and thus improve the process efficiency. With this approach a process control on-line in “real time” is possible. On- line gas analysis entails an improved process control, which for metallurgical and combustion processes implies energy savings, reduced emissions of green house gases and improved productivity. In this novel work we will present a series of trials in which a high tempered gas flow is spectroscopically analysed in a frequency band ranging from 110 to 120 GHz. The objective is to stimulate compounds sensitive to radiation in this frequency band to make a transition from one energy level to another and in doing so giving up energy that can be detected by the measuring system. Of interest for the steel and metal industry are molecular compounds such as CO, CO2 (isotope), O2, NO, NO2, H2O, OH and SO2.
Subject headings and genre
- NATURVETENSKAP Fysik hsv//swe
- NATURAL SCIENCES Physical Sciences hsv//eng
- TEKNIK OCH TEKNOLOGIER Samhällsbyggnadsteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Civil Engineering hsv//eng
- Microwave technology
- Gas Analysis
- TECHNOLOGY
- TEKNIKVETENSKAP
Added entries (persons, corporate bodies, meetings, titles ...)
- Malm, JohanHögskolan i Halmstad,Sektionen för ekonomi och teknik (SET) (author)
- Bååth, Lars B.Högskolan i Halmstad,Sektionen för ekonomi och teknik (SET)(Swepub:hh)baath (author)
- MEFOS, Luleå, SwedenSektionen för ekonomi och teknik (SET) (creator_code:org_t)
Related titles
- In:Proceedings Symposium on steel production, s. 11-
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