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Optimizing solvolysis conditions for integrated depolymerisation and hydrodeoxygenation of lignin to produce liquid biofuel

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Abstract.
A new procedure for converting lignin residues from lignocellulosic ethanol production into organic
liquids with a high H/C and a very low O/C ratio has recently been developed. This process, which can be
termed pyrolysis, solvolysis or liquefaction in a non-aqueous medium, consists of batchwise heating of
the lignin in a hydrogen-donating reaction medium in a high-pressure reactor at high temperatures of
350–400 oC. The procedure gives very high yields of an organic or ‘‘oil’’ phase that has suitable chemical
properties for use as a blending component in motor fuels.
In this paper we report the optimization approach for the yields of gaseous and liquid products and the
elemental composition of the oils. Emphasis is given to tailoring the organic liquids fraction towards
required quality with respect to usage as blending component on petroleum fuels, or for fine chemicals
such as phenols. The optimization is based on a fractional factorial reaction design with four reaction
parameters that are assumed to be important for yields and compositions. Multivariate data analysis
(PCA and PLS) is utilized on order to identify the most important experimental variables and to develop
predictive models for further optimization of the product compositions.

Keywords: Liquid biofuels, Biomass pyrolysis, Solvolysis, Liquefaction, Phenols

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Informasi Detail

Judul Seri

Journal of Analytical and Applied Pyrolysis

No. Panggil

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Penerbit

London : Elsevier B.V.., 2009

Deskripsi Fisik

J. Anal. Appl. Pyrolysis 85 (2009) 108–117

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

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