Title
Techno-economic assessment of different conversion pathways for pyrolysis char from pig manure Techno-economic assessment of different conversion pathways for pyrolysis char from pig manure
Author
Faculty/Department
Faculty of Sciences. Bioscience Engineering
Publication type
conferenceObject
Publication
Florence :Eta-florence, [*]
Subject
Engineering sciences. Technology
Source (book)
22nd European Biomass Conference and Exhibition : Setting the Course for a Biobased Economy, 23-26 June 2014, Hamburg, Germany : conference proceedings
ISI
000351053500164
Carrier
E
Target language
English (eng)
Abstract
The amount of animal manure that can be brought back to agricultural land is limited by legislation. Because pig manure is available in too large quantities in some areas, we investigate the techno-economic feasibility of converting it into valuable products. First, slurry is separated in water, a thick fraction and a fertilizer concentrate poor in phosphate. Then, the thick fraction is dried and pyrolyzed. Our goal is to identify the optimal pyrolysis and activation conditions for the production of biochar or activated carbon. The latter has interesting adsorption characteristics due to the presence of nitrogen. It can also be used as a soil amendment as it improves biomass quantity and quality. On top, it immobilizes toxic elements and stores carbon in the soil. Char thus has many interesting characteristics and can be valued in different ways. The economic feasibility has been explored by a first techno-economic modelling iteration. The critical factors influencing the feasibility are identified by Monte Carlo simulations for further improvement of the process design.
E-info
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