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- Öhrman, OlovRISE,SP Energy Technology Center (författare)
Analysis of trace components in synthesis gas generated by black liquor gasification
- Artikel/kapitelEngelska2012
Förlag, utgivningsår, omfång ...
- Elsevier BV,2012
- printrdacarrier
Nummerbeteckningar
- LIBRIS-ID:oai:DiVA.org:ri-6958
- https://urn.kb.se/resolve?urn=urn:nbn:se:ri:diva-6958URI
- https://doi.org/10.1016/j.fuel.2012.05.052DOI
- https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-6236URI
Kompletterande språkuppgifter
- Språk:engelska
- Sammanfattning på:engelska
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- SwePubSwePub
Klassifikation
Anmärkningar
- Validerad; 2012; 20120625 (ysko)
- The only pressurized black liquor gasifier currently in operation is located in Sweden. The composition of the main components in the gas has been reported previously. The main components are H 2, CO, CO 2, N 2, CH 4, and H 2S. In the present work, trace components in the gas have been characterized and the results are hereby reported for the first time. Samples were taken at two occasions during a one year period. The benzene concentration in the gas varied only slightly and the average concentration was 158 ppm. Benzene is formed by thermal cracking of the biomass. The COS concentration varied substantially and the average concentration was 47 ppm. The variations may be related to how the quench is operated. A few ppm of C 2-hydrocarbons were also observed in the gas and the variation was probably a result of varying oxygen to black liquor ratio. No tars were observed in the gas. However, tar compounds, such as phenanthrene, pyrene, fluoranthene and fluorene were detected in deposits found on the pipe walls after the gas cooler. The concentration of particles in the synthesis gas was very low; <0.1 mg/N m 3, which is comparable to the particulate matter in ambient air. Submicron particles were comprised of elements such as C, O, Na, Si, S, Cl, K, and Ca, and these particles probably originated from the black liquor. Larger particles were comprised mainly of Fe, S and Ni and these particles probably resulted from corrosion of steel in the plant pipe-work. In summary, the concentrations of trace components and particles in the gas are quite low.
Ämnesord och genrebeteckningar
- TEKNIK OCH TEKNOLOGIER Maskinteknik Energiteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Mechanical Engineering Energy Engineering hsv//eng
- TEKNIK OCH TEKNOLOGIER Kemiteknik Kemiska processer hsv//swe
- ENGINEERING AND TECHNOLOGY Chemical Engineering Chemical Process Engineering hsv//eng
- Black liquor gasification
- Impurity
- Particles
- Synthesis gas
- Trace component
- Energiteknik
- Chemical Technology
- Energy Engineering
Biuppslag (personer, institutioner, konferenser, titlar ...)
- Häggström, CarolineLuleå tekniska universitet,Industriell miljö- och processteknik(Swepub:ltu)sticar (författare)
- Wiinikka, HenrikLuleå tekniska universitet,RISE,SP Energy Technology Center,Energivetenskap(Swepub:ltu)hewi (författare)
- Hedlund, JonasLuleå tekniska universitet,Industriell miljö- och processteknik(Swepub:ltu)johe (författare)
- Gebart, RikardLuleå tekniska universitet,RISE,SP Energy Technology Center,Energivetenskap(Swepub:ltu)rikard (författare)
- RISESP Energy Technology Center (creator_code:org_t)
Sammanhörande titlar
- Ingår i:Fuel: Elsevier BV102, s. 173-1790016-23611873-7153
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