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Catalytic cracking of biomass high-temperature pyrolysis tar using NiO/AC catalysts
North China Electric Power University ,China. (Framtidens energi)
North China Electric Power University, China.
North China Electric Power University, China.
North China Electric Power University, China.
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2015 (Engelska)Ingår i: International Journal of Green Energy, ISSN 1543-5075, E-ISSN 1543-5083, Vol. 12, nr 8, s. 773-779Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Nickel oxide supported on activated carbon (NiO/AC) catalysts were prepared and used for catalytic cracking of tars from inert high-temperature pyrolysis of biomass. Rice husk was selected as the feedstock, and pyrolyzed at 800 °C using a lab-scale pyrolysis set. The pyrolysis vapors were subjected to either thermal cracking or catalytic cracking under 500-700 °C. The results indicated the thermal cracking was not very efficient to convert the tars, while the catalytic cracking reduced both the light and heavy tars significantly. The yield of the light and heavy tars were decreased from 4.4 wt% and 1.9 wt% in the non-catalytic process to 0.2 wt% and 0.1 wt% in the catalytic process by the NiO/AC (4.3 wt%) at 700 °C. The catalytic cracking also increased the gas product remarkably, mainly the H2 and CO2. The catalytic performance of the NiO/AC catalyst could enhance at elevated catalytic temperatures and increased NiO content of the catalyst.

Ort, förlag, år, upplaga, sidor
2015. Vol. 12, nr 8, s. 773-779
Nyckelord [en]
Catalytic cracking, biomass, high-temperature pyrolysis, NiO/AC catalysts
Nationell ämneskategori
Energiteknik
Forskningsämne
energi- och miljöteknik
Identifikatorer
URN: urn:nbn:se:mdh:diva-26936DOI: 10.1080/15435075.2014.910776ISI: 000351582200002Scopus ID: 2-s2.0-84926059999OAI: oai:DiVA.org:mdh-26936DiVA, id: diva2:773405
Tillgänglig från: 2014-12-18 Skapad: 2014-12-18 Senast uppdaterad: 2017-12-05Bibliografiskt granskad

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Dahlquist, Erik

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