Vacuum Pyrolysis of Woody Biomass to Bio-oil Production

Öz

Woody biomass is an important resource that can be utilized to obtain liquid fuel. Bio-oil is an encouraging renewable energy source due to finite fossil resources. In this study, vacuum pyrolysis of oak wood (Quercus petraea L.) residue was performed in a fixed-bed reactor at a high-temperature of 500 °C. Bio-oil, derived from oak wood was examined by a series of chromatographic/spectroscopic methods including elemental composition, FT-IR, and GC/MS analysis to determine the chemical structure. All the results indicated that the bio-oil comprises a complex mixture of oxygen-containing aromatic compounds such as phenols, alcohols, ketones, aldehydes, organic acids, and benzenes. The major compounds were identified as phenol and phenol derivatives. Bio-oil, produced from woody biomass may be used as an alternative fuel or chemical feedstock in different industrial applications.

Anahtar Kelimeler

• Bio-oil
• GC/MS
• oakwood
• phenol
• vacuum pyrolysis

Odunsu Biyokütleden Vakum Piroliz ile Biyoyakıt Üretimi

Öz

Odunsu biyokütle, sıvı yakıt üretiminde kullanılabilecek önemli bir kaynaktır. Biyoyağ, sınırlı fosil kaynakları nedeniyle umut verici bir alternatif enerji kaynağıdır. Bu çalışmada, meşe ağacı (Quercus petraea L.) odun talaşı, 500 °C sıcaklıkta vakum atmosferi altında sabit yataklı reaktörde piroliz edilmiştir. Biyoyağın kimyasal yapısı Elementel, FT-IR ve GC/MS analizi gibi bazı kromatografik ve spektroskopik teknikler kullanılarak analiz edilmiştir. Tüm sonuçlar gösterdi ki, biyoyağın fenoller, alkoller, ketonlar, aldehitler, organik asitler ve benzenler gibi çok çeşitli aromatik bileşikler içerdiği belirlenmiştir. Baskın bileşikler fenol ve fenol türevleri olarak tanımlanmıştır. Odunsu biyokütleden üretilen biyoyağ, alternative yakıt olarak veya farklı endüstriyel uygulamalarda kimyasalların üretiminde kullanılabilir.

Anahtar Kelimeler

• Biyoyağ
• GC/MS
• fenol
• meşe odunu
• vakum piroliiz

Kaynakça

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