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Deoxygenation of Bio-oil from Calcium-Rich Paper-Mill Waste

: Bashir, M.A.; Jahangiri, H.; Hornung, Andreas; Ouadi, M.


Chemical Engineering and Technology 44 (2021), Nr.1, S.194-202
ISSN: 0930-7516
ISSN: 1521-4125
Fraunhofer UMSICHT Sulzbach-Rosenberg ()
biochar; bio-oil; de-inking sludge; sludge; Syngas; thermocatalytic reforming

De‐inking sludge, an ash‐rich recycling paper solid waste, is generated in huge amounts. The catalytic deoxygenation potential of calcium‐based de‐inking sludge in co‐pyrolysis mode with wood and its neat thermal conversion to sustainable biofuels are investigated. Wood, de‐inking sludge, and their blends are processed in a thermocatalytic reforming (TCR) system. In the presence of de‐inking sludge, the oxygen content in the organic phase decreases and the bio‐oil calorific value improves as compared to the neat wood‐derived bio‐oil. The TCR processing of neat de‐inking sludge produces a bio‐oil with low oxygen content and higher calorific value.