Title:
Upgrading of Pyrolysis Chars in Syngas Purification: Characterization and Implementation in a Fixed Bed Column
Author(s):
Pena, J., Villot, A., Gerente, C.
Document(s):
Paper
Poster
Abstract:
Millet husks (MH) and buckwheat husks (BH) are agricultural wastes generated worldwide at levels of several million tons. Only in Europe millet and buckwheat production was 129,809 and 402,710 tons respectively in 2014 [1]. These wastes don’t have alternative uses therefore they make great candidates to be recycled without affecting other practices. Considering this, BH and MH were tested as novel precursors for preparing pyrolyzed chars and activated carbons (AC) by physical activation. Pyrolysis of MH and BH was carried out under nitrogen flow at 500 °C for each waste in a rotating quartz tube. Similarly, one-step physical activation was accomplished at 850 °C with CO2 as activating agent. A fixed bed column was set up to test chars and ACs in syngas purification using ethylbenzene (EB) as tar surrogate. Results suggested that microporosity is related to catalytic properties of materials since AC were able to remove more EB than raw chars. This research showed that improved chars can be prepared without using any chemical agent.
Keywords:
activated carbon, biomass, pyrolysis, syngas, char, catalyst
Topic:
Biomass Conversion Technologies for Liquid and Gaseous Fuels, Chemicals and Materials
Subtopic:
Production of thermally treated solid biofuels
Event:
25th European Biomass Conference and Exhibition
Session:
3CV.2.9
Pages:
1399 - 1402
ISBN:
978-88-89407-17-2
Paper DOI:
10.5071/25thEUBCE2017-3CV.2.9
Price:
FREE
