2021
DOI: 10.3390/app11125692
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Vermicomposting: A Valorization Alternative for Corn Cob Waste

Abstract: As vermicomposting has become a viable alternative for the valorization of organic waste; the objectives of this research were to (1) assess the feasibility of said process for corn cob waste (corn cobs and corn husks) and (2) evaluate the operation conditions for the biodegradation of different mixtures with load material (LM). LM did not include animal excreta as a nitrogen source, a practice widely used in a range of studies. The experiment consisted of an initial phase of pre-composting in order to obtain … Show more

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Cited by 14 publications
(9 citation statements)
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“…The highest temperature in reactors 2, 3, and 4 was approximately 41 °C, while it was approximately 39 °C in reactor 1; these reactors did not reach thermophilic temperatures, i.e., greater than 55 °C (Li et al 2018). It is possible that there were large heat losses, as mentioned by Castillo-González et al (2021). In addition, the elevated temperature may have eliminated some diseases.…”
Section: Temperaturementioning
confidence: 97%
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“…The highest temperature in reactors 2, 3, and 4 was approximately 41 °C, while it was approximately 39 °C in reactor 1; these reactors did not reach thermophilic temperatures, i.e., greater than 55 °C (Li et al 2018). It is possible that there were large heat losses, as mentioned by Castillo-González et al (2021). In addition, the elevated temperature may have eliminated some diseases.…”
Section: Temperaturementioning
confidence: 97%
“…The temperatures during the first week were high in every reactor. The heat was produced by microorganism activity (Castillo-González et al 2021). The highest temperature in reactors 2, 3, and 4 was approximately 41 °C, while it was approximately 39 °C in reactor 1; these reactors did not reach thermophilic temperatures, i.e., greater than 55 °C (Li et al 2018).…”
Section: Temperaturementioning
confidence: 99%
“…El compost y lixiviado son dos productos del proceso de compostaje, que se caracterizan por tener nutrientes que benefician los suelos agrícolas y son capaces de proteger las plantas de enfermedades (Hanc y Pliva, 2013). La relación C/N en el TTO1 es de 18,6 como se observa en la tabla 2, valores similares a los reportados por Garg y Gupta (2011) en el estudio de la combinación de residuos vegetales y estiércol de vaca para la producción de vermicompost, teniendo una relación C/N final entre 15 y 19, estos valores por debajo de 20 son indicativo que el compost ha alcanzado la madurez (Castillo et al, 2021). Por otra parte, los TTO 2 y 3, que contienen una mezcla de deyecciones de pollo y cascarilla de arroz, tienen una relación C/N de 36 y 39,9 respectivamente, de acuerdo a la tabla 2, esto podría deberse a que los sustratos iniciales son ricos en carbono y que los procesos de descomposición por parte de las lombrices podrían estar incompletos o requieren mayor proporción de material rico en nitrógeno (FAO, 2013).…”
Section: Parámetros Fisicoquímicosunclassified
“…Se ha demostrado que la combinación de material vegetal de residuos de la planta del maíz junto con las deyecciones de pollos, al realizar una etapa de precompostaje de los sustratos durante 15 días, evitó que las lombrices E. fetida sufrieran daños cuando la temperatura alcanzó los 35 °C, el proceso de compostaje mantuvo una temperatura promedio de 25 °C y una humedad entre 55 -65 % durante 60 días, por tanto, se concluye que las lombrices podrían acelerar la estabilización del material vegetal de residuos de la planta del maíz al activar microbios que degradan la lignocelulosa (Castillo et al, 2021;Chen et al, 2015a,b).…”
Section: Introductionunclassified
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