Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/15202
Title: Study of the pyrolysis of sludge and sludge/disposal filter cake mix for the production of value added products
Authors: Velghe, Inge 
Carleer, Robert 
Yperman, Jan 
Schreurs, Sonja 
Issue Date: 2013
Publisher: ELSEVIER SCI LTD
Source: BIORESOURCE TECHNOLOGY, 134, p. 1-9
Abstract: Slow and fast pyrolysis of sludge and sludge/disposal filter cake (FC) mix are performed to investigate the liquid and solid products for their use as value added products. The obtained slow pyrolysis liquid products separate in an oil, a water rich fraction and a valuable crystalline solid 5,5-dimethyl hydantoin. During fast pyrolysis, mainly an oil fraction is formed. Aliphatic acids and amides present in the water rich fractions can be considered as value added products and could be purified. The oil fractions have properties which make them promising as fuel (25-35 MJ/kg, 14-20 wt% water content, 0.2-0.6 O/C value), but upgrading is necessary. Sludge/FC oils have a lower calorific value, due to evaporation of alcohols present in FC. ICP-AES analyses reveal that almost none of the metals present in sludge or sludge/FC are transferred towards the liquid fractions. The metals are enriched in the solid fractions. (C) 2013 Elsevier Ltd. All rights reserved.
Notes: XIOS, Dept TIW, NuTeC, B-3590 Diepenbeek, Belgium. Hasselt Univ, CMK, Res Grp Appl & Analyt Chem, B-3590 Diepenbeek, Belgium.
Keywords: Agricultural Engineering; Biotechnology & Applied Microbiology; Energy & Fuels;Pyrolysis; Sludge; Disposal filter cake; 5,5-Dimethyl hydantoin
Document URI: http://hdl.handle.net/1942/15202
ISSN: 0960-8524
e-ISSN: 1873-2976
DOI: 10.1016/j.biortech.2013.02.030
ISI #: 000318052200001
Category: A1
Type: Journal Contribution
Validations: ecoom 2014
Appears in Collections:PhD theses
Research publications

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