Subcritical water - a perspective reaction media for biomass processing to chemicals

study on cellulose conversion as a model for biomass

Irena Pavlovič (Author), Željko Knez (Author), Mojca Škerget (Author)

Abstract

Biomass and water are recognized as a key renewable feedstock in sustainable production of chemicals, fuels and energy. Subcritical water (SubCW), or commonly referred as hot compressed water (HCW), is the water above boiling and below critical point (CP; 374 °C, 22.1 MPa). It has gained great attentionin the last few decades as a green, cheap, and nontoxic reagent for conversion of biomass into valuable chemicals. In this paper, hydrothermal reactions of cellulose, as the model biomass substance, with subcritical waterat mild temperature and pressure regimes have been studied. The experiments were done in a batch reactor in the temperature range of 220 ° - 300 °C. The main products distributed in liquid, gaseous and solid phase were separated and quantified. The conversions to each group of products were foundstrongly dependent on the temperature and residence time.

Keywords

celuloza;biomasa;subkritična voda;hidrotermana konverzija;bioolja;cellulose;biomass;subcritical water;SubCW;hydrothermal conversion;bio-oils;

Data

Language:	English
Year of publishing:	2013
Typology:	1.08 - Published Scientific Conference Contribution
Organization:	UM FKKT - Faculty of Chemistry and Chemical Engineering
UDC:	544.7
COBISS:	16830486
ISSN:	0352-9568
Views:	903
Downloads:	61
Average score:	0 (0 votes)
Metadata:

Other data

Secondary language:	Unknown
Secondary keywords:	cellulose;biomass;subcritical water;SubCW;hydrothermal conversion;bio-oils;
URN:	URN:SI:UM:
Type (COBISS):	Not categorized
Pages:	Str. 73-82
Keywords (UDC):	mathematics;natural sciences;naravoslovne vede;matematika;chemistry;crystallography;mineralogy;kemija;physical chemistry;fizikalna kemija;chemistry of surface phenomena and colloids;kemija površinskih pojavov in koloidov;
ID:	1439445