Title:
Catalytic Cracking of Tars Produced During Sewage Sludge Pyrolysis over a Fixed Bed of Sewage Sludge Char
Author(s):
Mendoza Geney, L., Gómez Mejía, A., Rincón Prat, S.
Document(s):
Paper
Slide presentation
Abstract:
A study for the use of sewage sludge char as a catalyst for the reduction of tars produced during sewage sludge pyrolysis is presented. The effects of the process temperature and the contact time of the volatile phase with the sewage sludge char bed are investigated. A comparison of the performance of the sewage sludge char with other catalysts is presented. Tars were generated in-situ by pyrolysis of sewage sludge at heating rates of approximately 1400 K/s. These tars are immediately carried out to an adjacent reactor zone, where the reduction process takes place under controlled thermal conditions. Quantitative yields and the composition of tars are determined. Efficiencies in tar reduction in the gas phase between 92 and 99 % (in mass fractions) are achieved
Keywords:
gasification, pyrolysis, sewage sludge, tar removal, waste disposal, clean synthesis gas
Topic:
Biomass Conversion Technologies for Heating, Cooling and Electricity
Subtopic:
Gasification for power, CHP and polygeneration
Event:
23rd European Biomass Conference and Exhibition
Session:
2CO.6.3
Pages:
577 - 581
ISBN:
978-88-89407-516
Paper DOI:
10.5071/23rdEUBCE2015-2CO.6.3
Price:
FREE
