Development of calcium silicate-based catalytic filters for biomass fuel gas reforming    
Yazarlar (4)
Abdullah Z Turan
Tubıtak Marmara Research Center, Türkiye
Yeliz Çetin
Tubıtak Marmara Research Center, Türkiye
Doç. Dr. Özlem TUNA Yalova Üniversitesi, Türkiye
Alper Sarıoğlan
İstanbul Teknik Üniversitesi, Türkiye
Makale Türü Özgün Makale
Makale Alt Türü SSCI, AHCI, SCI, SCI-Exp dergilerinde yayınlanan tam makale
Dergi Adı International Journal of Energy Research
Dergi ISSN 0363-907X Wos Dergi Scopus Dergi
Dergi Tarandığı Indeksler SCI-Expanded
Dergi Grubu Q1
Makale Dili İngilizce
Basım Tarihi 01-2019
Cilt No 43
Sayı 3
Sayfalar 1217 / 1231
DOI Numarası 10.1002/er.4355
Makale Linki http://dx.doi.org/10.1002/er.4355
Özet
Calcium silicate–based particulate filters were catalytically activated by coating first with γ-alumina and then nickel layers. Different coating techniques were compared, namely dry impregnation, wet impregnation, dry deposition-precipitation, and wet deposition-precipitation. All samples were characterized by ICP-OES, XRD, and N2 adsorption/desorption in order only to determine total surface area and loading but also to give insight into coating dispersion and coating-substrate interaction. Regarding alumina layer, the best specific surface area was achieved when colloidal alumina sol was applied via dry impregnation method. Likewise, nickel loading onto alumina layer via dry impregnation was found to be feasible. All catalytic filters successfully gave cross-sectional pressure drop values of below 25 mbar under flowing air, which was required for sustainable filtration. Catalytic activity tests performed under simulated H2S-free biomass gasification atmosphere gave reasonable methane and benzene conversion values between 77% and 88%. Tests performed under H2S-containing gas caused significant activity loss despite the addition of an alkali promoter to suppress sulfur-catalyst interaction. However, the decrease of benzene conversion due to sulfur poisoning was not found to be as severe as that of methane. As a plausible explanation, a possible reaction of benzene with species like traces of CHx and/or H2S was claimed for the high benzene conversion.
Anahtar Kelimeler
catalysis | hot gas filtration | methane reforming | tar reforming
BM Sürdürülebilir Kalkınma Amaçları
Atıf Sayıları
SCOPUS 10
Development of calcium silicate-based catalytic filters for biomass fuel gas reforming

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