Effects of operational parameters on fuel gas production from DC-transferred arc plasma processing of sewage sludge

Autor: Pedro William Paiva Moreira Júnior, Felipe de Souza Miranda, Nilton Francelosi Azevedo Neto, Alexei Mikhailovich Essiptchouk, Eduardo Sant Ana Petraconi Prado, Antonio Carlos da Cruz, Gilberto Petraconi Filho
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: International Journal of Sustainable Energy, Vol 43, Iss 1 (2024)
Druh dokumentu: article
ISSN: 14786451
1478-646X
1478-6451
DOI: 10.1080/14786451.2024.2417437
Popis: In this work, a DC-transferred arc plasma reactor was used to investigate the influence of operating parameters on the process of gas production from sewage sludge treatment. By varying the operating temperature, feedstock feed rate and exhaust gas flow, the study aims to elucidate the physicochemical mechanisms during plasma treatment. The sewage sludge from the municipal wastewater treatment plant has an ash content of 40.5%, consisting mainly of Si, Al, Fe and Ca (>75%), and a complex organic fraction containing carbonyls, amines and amides. At a constant mass of feedstock (without feed rate), the gas produced by the plasma treatment was obtained with a maximum syngas fraction of 86% and a heating value of 10,000 kJ/m3, while the process operated at a constant sludge feed rate of 300 g/min increased the volumetric fraction of the syngas to 95% and the heating value to 12,000 kJ/m3.
Databáze: Directory of Open Access Journals