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Title: Energy recovery from heavy ASR by co-incineration in a fluidized bed combustor
Authors: Vermeulen, Isabel ×
Van Caneghem, Jo
Block, Chantal
Van Brecht, Andres
Wauters, Guido
Vandecasteele, Carlo #
Issue Date: 2012
Publisher: Springer
Series Title: Clean Technologies and Environmental Policy vol:14 issue:5 pages:1003-1011
Abstract: Automotive shredder residue (ASR) is a heterogeneous
waste stream with varying particle size and
elemental composition. Owing to its complexity and hazardous
characteristics, landfilling of ASR is still a common
practice. Nevertheless, incineration with energy recovery
of certain ASR fractions (Waste-to-Energy, WtE) emerges
as an interesting alternative. In a full scale experiment, a
waste mix of 25 % heavy ASR, 25 % refuse derived fuel
(RDF), and 50 % waste water treatment (WWT) sludge
was incinerated in the SLECO fluidized bed combustor
(FBC) at the Indaver site in Antwerp, Belgium. Input and
output streams were sampled and analyzed to make an
inventory of the most important pollutants and toxics. The
inventory was further used to determine the environmental
impact. Results are compared to those of two other scenarios:
incineration of the usual waste feed (70 % RDF and
30 % WWT sludge) and co-incineration of 39 % ASR with
61 % WWT sludge. It can be concluded that co-incineration
of heavy ASR in an existing FBC is a valid and clean
technology to increase current reuse and recovery rates. In
the considered FBC, 27 % of the energetic value of ASR
can be recovered, while all emissions remain well below
regulatory limits and only 12.6 % of the heavy ASR needs
to be landfilled. The proportion of ASR in the input waste
mix is however limited by the heavy metal concentration in
the ASR and the generated ashes.
ISSN: 1618-954X
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Process Engineering for Sustainable Systems Section
× corresponding author
# (joint) last author

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