Valorization of Spent Mushroom Compost Through a Cascading Use Aproach

Carolina Restrepo Londoño, Alexander Giraldo Gil, Andrés Moreno and Pedro Nel Alvarado ()
Additional contact information
Carolina Restrepo Londoño: Centro de Investigación y Desarrollo Cárnico CI+D, Zenú S.A.S., Medellín 050044, Colombia
Alexander Giraldo Gil: Centro de Investigación y Desarrollo Cárnico CI+D, Zenú S.A.S., Medellín 050044, Colombia
Andrés Moreno: Grupo Química de Recursos Energéticos y Medio Ambiente (QUIREMA), Universidad de Antioquia, Medellín 050010, Colombia
Pedro Nel Alvarado: Grupo de Investigación en Materiales Avanzados y Energía (MATyER), Instituto Tecnológico Metropolitano, Medellín 050034, Colombia

Energies, 2024, vol. 17, issue 21, 1-26

Abstract: Spent mushroom compost (SMC) is a waste byproduct generated by the mushroom industry, with the current disposal methods involving landfills or incineration, causing environmental problems. This study introduces a cascading valorization based on circular economy. A water-washing pretreatment is suggested to reduce the ash content and improve the calorific value. Furthermore, an oxidative torrefaction is proposed to enhance the physicochemical properties and evaluate the residence time, temperature, and initial weight effects. The investigation revealed that the calorific value increased by 49.46% in the best water washing scenario and the SMC contains laccase. During SMC torrefaction, mass and energy yields exceeded 80%, and the calorific value was improved. Finally, torrefaction in situ CO 2 capture was achieved by forming CaCO 3 , with a mass fraction increase of up to 7.4%. The study describes the cascading innovation use of this residue on a TRL4 higher than previously reported studies, thereby contributing to gaining an understanding of sustainable industrial mushroom production.

Keywords: Agaricus bisporus; biochar; regenerative agriculture; oxidative torrefaction; laccase; CO 2 capture (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
References: View references in EconPapers View complete reference list from CitEc
Citations:

Downloads: (external link)
https://www.mdpi.com/1996-1073/17/21/5458/pdf (application/pdf)
https://www.mdpi.com/1996-1073/17/21/5458/ (text/html)

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:gam:jeners:v:17:y:2024:i:21:p:5458-:d:1511581

Access Statistics for this article

Energies is currently edited by Ms. Agatha Cao

More articles in Energies from MDPI
Bibliographic data for series maintained by MDPI Indexing Manager ().