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Assessment of Gardening Wastes as a Co-Substrate for Diapers Degradation by the Fungus Pleurotus ostreatus

Author

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  • Rosa María Espinosa-Valdemar

    (Departamento de Energía, Universidad Autónoma Metropolitana Unidad Azcapotzalco, Avenida San Pablo No 180, Col. Reynosa Tamaulipas, Delegación Azcapotzalco, Distrito Federal C.P. 02200, Mexico
    Instituto de Ingeniería, Universidad Autónoma de Baja California Campus Mexicali, Calle de la normal s/n y Boulevard Benito Juárez, Col. Insurgentes Este, Mexicali, Baja California C.P. 21280, Mexico
    Sociedad Mexicana de Ciencia y Tecnología Aplicada a Residuos Sólidos, A. C., Av. Cuauhtémoc 403, Col. Roma Norte, Delegación Cuauhtémoc, Distrito Federal C.P. 06700, Mexico)

  • Alethia Vázquez-Morillas

    (Departamento de Energía, Universidad Autónoma Metropolitana Unidad Azcapotzalco, Avenida San Pablo No 180, Col. Reynosa Tamaulipas, Delegación Azcapotzalco, Distrito Federal C.P. 02200, Mexico
    Sociedad Mexicana de Ciencia y Tecnología Aplicada a Residuos Sólidos, A. C., Av. Cuauhtémoc 403, Col. Roma Norte, Delegación Cuauhtémoc, Distrito Federal C.P. 06700, Mexico
    These authors contributed equally to this work.)

  • Sara Ojeda-Benítez

    (Instituto de Ingeniería, Universidad Autónoma de Baja California Campus Mexicali, Calle de la normal s/n y Boulevard Benito Juárez, Col. Insurgentes Este, Mexicali, Baja California C.P. 21280, Mexico
    Sociedad Mexicana de Ciencia y Tecnología Aplicada a Residuos Sólidos, A. C., Av. Cuauhtémoc 403, Col. Roma Norte, Delegación Cuauhtémoc, Distrito Federal C.P. 06700, Mexico
    These authors contributed equally to this work.)

  • Gabriela Arango-Escorcia

    (Departamento de Energía, Universidad Autónoma Metropolitana Unidad Azcapotzalco, Avenida San Pablo No 180, Col. Reynosa Tamaulipas, Delegación Azcapotzalco, Distrito Federal C.P. 02200, Mexico
    These authors contributed equally to this work.)

  • Sonia Cabrera-Elizalde

    (Departamento de Energía, Universidad Autónoma Metropolitana Unidad Azcapotzalco, Avenida San Pablo No 180, Col. Reynosa Tamaulipas, Delegación Azcapotzalco, Distrito Federal C.P. 02200, Mexico
    These authors contributed equally to this work.)

  • Xochitl Quecholac-Piña

    (Departamento de Energía, Universidad Autónoma Metropolitana Unidad Azcapotzalco, Avenida San Pablo No 180, Col. Reynosa Tamaulipas, Delegación Azcapotzalco, Distrito Federal C.P. 02200, Mexico
    These authors contributed equally to this work.)

  • Maribel Velasco-Pérez

    (Departamento de Energía, Universidad Autónoma Metropolitana Unidad Azcapotzalco, Avenida San Pablo No 180, Col. Reynosa Tamaulipas, Delegación Azcapotzalco, Distrito Federal C.P. 02200, Mexico
    Sociedad Mexicana de Ciencia y Tecnología Aplicada a Residuos Sólidos, A. C., Av. Cuauhtémoc 403, Col. Roma Norte, Delegación Cuauhtémoc, Distrito Federal C.P. 06700, Mexico
    These authors contributed equally to this work.)

  • Perla X. Sotelo-Navarro

    (Departamento de Energía, Universidad Autónoma Metropolitana Unidad Azcapotzalco, Avenida San Pablo No 180, Col. Reynosa Tamaulipas, Delegación Azcapotzalco, Distrito Federal C.P. 02200, Mexico
    These authors contributed equally to this work.)

Abstract

Waste with high biomass content generated in cities in developing countries is sent to landfills or open dumps. This research aims to degrade biomass content in urban waste through cultivation, at pilot scale, of the edible mushroom Pleurotus ostreatus . First, the number of diapers used by one baby per week was measured with a survey in day care facilities. Then, cellulose content of diapers was assessed. Finally, cultivation of P. ostreatus was carried out using as substrate a mixture of diapers with gardening waste, a co-substrate readily available at urban settings. The factors assessed were strain of P. ostreatus (grey BPR-81, white BPR-5), conditioning of the substrate (diapers with and without plastic) and co-substrate (wheat straw, grass, and withered leaves). Results show that diapers are a valuable source of biomass, as generation of diapers with urine is 15.3 kg/child/month and they contain 50.2% by weight of cellulose. The highest reductions in dry weight and volume (>64%) of substrates was achieved with the substrate diaper without plastic and co-substrate wheat straw. Although diapers with plastic and grass and leaves showed lower degradation, they achieved efficiencies that make them suitable as a co-substrate (>40%), considering that their biomass is currently confined in landfills.

Suggested Citation

  • Rosa María Espinosa-Valdemar & Alethia Vázquez-Morillas & Sara Ojeda-Benítez & Gabriela Arango-Escorcia & Sonia Cabrera-Elizalde & Xochitl Quecholac-Piña & Maribel Velasco-Pérez & Perla X. Sotelo-Nava, 2015. "Assessment of Gardening Wastes as a Co-Substrate for Diapers Degradation by the Fungus Pleurotus ostreatus," Sustainability, MDPI, vol. 7(5), pages 1-13, May.
    • Handle: RePEc:gam:jsusta:v:7:y:2015:i:5:p:6033-6045:d:49626
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    References listed on IDEAS

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    1. repec:idb:brikps:60498 is not listed on IDEAS
    2. Paolo Giordano & Masakazu Watanuki & José Durán Lima & Carlos E. Ludeña & Mariano Alvarez & Carlos de Miguel & Sara Wong & Ricardo Arguello & María Inés Terra & Marisa Bucheli & Silvia Laens & Carmen , 2010. "Modeling Public Policies in Latin America and the Caribbean," IDB Publications (Books), Inter-American Development Bank, number 60498 edited by Carlos de Miguel & José Durán Lima & Paolo Giordano & Julio Guzmán & Andrés Schuschny & Masakazu Wat, February.
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    Cited by:

    1. Navarro Ferronato & Máximo Lucio Nova Pinedo & Vincenzo Torretta, 2020. "Assessment of Used Baby Diapers Composting in Bolivia," Sustainability, MDPI, vol. 12(12), pages 1-16, June.

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