miun.sePublikationer
Ändra sökning
RefereraExporteraLänk till posten
Permanent länk

Direktlänk
Referera
Referensformat
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Annat format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annat språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf
Determination of biomass-coal blending ratio by C-14 measurement in co-firing flue gas
Zhejiang Univ, Hangzhou, Peoples R China.
Zhejiang Univ, Hangzhou, Peoples R China.
Zhejiang Univ, Hangzhou, Peoples R China.
Zhejiang Univ, Hangzhou, Peoples R China.
Visa övriga samt affilieringar
2019 (Engelska)Ingår i: Journal Of Zhejiang University-Science A, ISSN 1673-565X, Vol. 20, nr 7, s. 475-486Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

To verify the feasibility of using radiocarbon detection for the measurement of the biomass-coal blending ratio in co-firing heat and power plants, C-14 activity detection technology that uses benzene synthesis as the sample preparation method and a liquid scintillation counter as the detection instrument was studied. A benzene synthesis system was built to enrich carbon in the combustion flue gas in the form of benzene. The benzene sample was mixed with scintillator (butyl-PBD) and C-14 activity was measured using a liquid scintillation counter (Quantulus 1220). Three kinds of coal and six kinds of biomass were tested repeatedly. The measured C-14 activity was 0.3365 DPM/gC in Zhundong lignite, 0.2701 DPM/gC in Shenmu bitumite, and 0.3060 DPM/gC in Changzhi anthracite. These values were much higher than the instrument background activity. For the co-fired experiment, we used groups with biomass ratios (based on the carbon) of 6.51%, 12.95%, and 20.75%. A modified empirical expression to determine the biomass, coal blending ratio based on the C-14 activity measured in the co-firing flue gas, was proposed by analyzing and verifying measurement accuracy. From the C-14 measurements of the co-fired samples, the corresponding estimated biomass ratios were (5.540.48)%, (12.310.67)%, and (19.490.90)%. The absolute measurement error was around 1% for a typical biomass-coal co-firing application.

Ort, förlag, år, upplaga, sidor
2019. Vol. 20, nr 7, s. 475-486
Nyckelord [en]
Biomass co-firing, Blending ratio determination, Radiocarbon, Benzene synthesis
Nationell ämneskategori
Kemiteknik
Identifikatorer
URN: urn:nbn:se:miun:diva-36819DOI: 10.1631/jzus.A1900006ISI: 000475642100001Scopus ID: 2-s2.0-85068752506OAI: oai:DiVA.org:miun-36819DiVA, id: diva2:1341839
Tillgänglig från: 2019-08-12 Skapad: 2019-08-12 Senast uppdaterad: 2019-08-12Bibliografiskt granskad

Open Access i DiVA

Fulltext saknas i DiVA

Övriga länkar

Förlagets fulltextScopus

Personposter BETA

Zhang, Wennan

Sök vidare i DiVA

Av författaren/redaktören
Zhang, Wennan
Av organisationen
Institutionen för kemiteknik
Kemiteknik

Sök vidare utanför DiVA

GoogleGoogle Scholar

doi
urn-nbn

Altmetricpoäng

doi
urn-nbn
Totalt: 33 träffar
RefereraExporteraLänk till posten
Permanent länk

Direktlänk
Referera
Referensformat
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Annat format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annat språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf