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Thermocatalytic Reforming of Biomass Waste Streams
Author(s) -
Conti Roberto,
Jäger Nils,
Neumann Johannes,
Apfelbacher Andreas,
Daschner Robert,
Hornung Andreas
Publication year - 2017
Publication title -
energy technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.91
H-Index - 44
eISSN - 2194-4296
pISSN - 2194-4288
DOI - 10.1002/ente.201600168
Subject(s) - pyrolysis , syngas , biomass (ecology) , pyrolysis oil , biochar , pulp and paper industry , lignocellulosic biomass , waste management , chemistry , sewage sludge , biofuel , chemical engineering , organic chemistry , sewage treatment , catalysis , agronomy , biology , engineering
A thermocatalytic reforming (TCR ® ) unit patented by Fraunhofer UMSICHT was tested to convert lignocellulosic biomass and three organic wastes, digestate, paper sludge, and sewage sludge, into enhanced pyrolysis products. The TCR ® reactor is an intermediate pyrolysis screw reactor connected to a reformer. hawse have explored the TCR ® of four feedstocks in a 2 kg h −1 laboratory‐scale plant. The aim of the work was to compare the product yields and qualities (biochar, bio‐oil, and syngas) obtained by using TCR ® under the same pyrolysis conditions (pyrolysis at 400 °C and postcatalytic reforming at 700 °C). Finally, paper sludge bio‐oil was distilled at several temperatures to obtain the oil fractions. High‐quality bio‐oil and syngas from four different kinds of biomass were obtained and compared to that from traditional intermediate pyrolysis and fast pyrolysis. The bio‐oil showed a high higher heating value (HHV) (35–38 MJ kg −1 ) independent of the kind of biomass used, and the total acid number was 1.8–5.4 mg KOH g −1 . Fractional distillation led to a gasoline‐like light fraction and an overall distillation rate of 74 %.