Analyzing the production, quality, and potential uses of solid recovered fuel from screening waste of municipal wastewater treatment plants
Metadatos
Mostrar el registro completo del ítemAutor
De la Torre Bayo, Juan Jesús; Zamorano Toro, Montserrat; Torres Rojo, Juan Carlos; Rodríguez, Miguel L.; Martín Pascual, JaimeEditorial
Elsevier
Materia
Wastewater screenings Solid recovered fuel Waste to energy Circular economy Densification
Fecha
2023-03-04Referencia bibliográfica
J.J. De la Torre-Bayo et al. Analyzing the production, quality, and potential uses of solid recovered fuel from screening waste of municipal wastewater treatment plants. Process Safety and Environmental Protection 172 (2023) 950–970[https://doi.org/10.1016/j.psep.2023.02.083]
Patrocinador
EMASAGRA 4325; University of Granada / CBUAResumen
Over time, wastewater management evolves into a circular model, producing energy and moving towards zero
waste. The usual screening waste treatment is the elimination, with no energy recovery processes. As an alternative,
the production of solid recovered fuel (SRF) from screening has been studied, both non-densified and
densified, in pellet form. The densification was developed, taking as variables the input moisture and size of the
die, obtaining 20 different samples. The optimum pelletizing conditions are an input moisture content of 10%
and dies with a compression ratio of 6/20, 6/24 and 8/32. SRF properties have been evaluated based on a quality
proposal presented in this paper, which has been developed given the lack of uniformity in the existing SRF
standards. The SRF produced complies with fuel quality requirements, such as lower calorific value, with values
between 13.37 and 25.65 MJ/kg; Cl and Hg content, with maximums of 0.066% and 1.0 × 10����� 5 mg/MJ,
respectively; and ash content, between 7.22% and 9.85%. Energy from waste plants could be the destination for
all the SRF produced. Its use in cement plants and gasification processes, more restrictive than the previous one,
would require manufacturing processes with adequate moisture levels and die size.