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Chemical Structures Present in Biofuel Obtained from Lignin

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Technical lignins from various sources can be converted into bio-oil with a low O/C ratio by pyrolysis in
the presence of formic acid and an alcohol. By application of different analytical techniques, such as Fourier transform infrared spectroscopy (FTIR), nuclear magnetic resonance (NMR), electrospray ionization mass spectrometry (ESI-MS), and size-exclusion chromatography (SEC), it has been shown that a complete
degradation of the lignin takes place irrespective of the origin. The resulting bio-oil has a low-molecular-mass distribution with a preponderance of aliphatic hydrocarbon structures. A substantial number of phenolic
compounds are, however, also present, and some of these also contain carboxyl groups. The results clearly
show that formic acid is a powerful supplier of atomic hydrogen. By further optimization of the pyrolysis
reaction, it should be possible to further reduce the content of aromatic structures.

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Informasi Detail

Judul Seri

Energy & Fuels

No. Panggil

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Penerbit

Washington, DC : American Chemical Society., 2008

Deskripsi Fisik

Energy & Fuels 2008, 22, 4240–4244

Bahasa

English

ISBN/ISSN

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Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

KIMIA

Info Detail Spesifik

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Pernyataan Tanggungjawab

agus

Versi lain/terkait

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