Re-use of paper sludge via pyrolysis
The University of Twente (UT) is helping the paper industry to convert paper sludge - the largest waste stream from paper factories - into bio-oils and raw materials suitable for re-use. In collaboration with the UT, the company Alucha will build a self-regulating, mobile pilot plant for the pyrolysis of paper sludge.
With pyrolysis, organic material is 'cracked' in a few seconds by heating it in the absence of oxygen. The UT is specialised in the pyrolysis of biomass such as wood, straw, grass and algae. Fuels and products are fabricated from these. The process has now been successfully applied on paper sludge. A new advanced reactor has been built and is now being tested (News Item UT, 4 June 2015).
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