Study of Enzymes Pre-Treatments in Biomasses Dedicated to Biogas Production

Main Article Content

Carlos M. Martínez-Hernández

Abstract

This work presents a study of the influence of an enzyme pre-treatment application to different substrates utilized for biogas production. The substrates studied were biomass of agricultural origin (sorghum-R-132, sunflower JE-94, corn and dasheen) and a tavern residual (white bread). The pre-treatment consisted on the addition of one enzyme (ZY maXX XL 200) in dose of 100 μL/syringes per 350 mg substrates diluted in 30 mL of inoculum. Substrates underwent a biodigestion process and the results were compared with those obtained in absence of the enzyme pre-treatment. Increments were achieved in the maximum specific biogas yield in the substrates. The best results took place with Colocacia esculenta (1918,07 LCH4/kgSV); bread (1792,81 LCH4/kgSV); sunflower JE-94 (1676, 06 LCH4/kgSV); sorghum R-132 (1145,78 LCH4/kgSV) and corn (1139,03 LCH4/kgSV) being obtained more than 100% increment in the maximum specific biogas yield when the treatment is used with enzymes and pig inoculum. On the other hand, it was observed that pH evolves in a similar way in substrates evaluated with enzyme treatment and without pre-treatment.

Article Details

How to Cite
Martínez-Hernández, C. M. (2017). Study of Enzymes Pre-Treatments in Biomasses Dedicated to Biogas Production. Revista Ciencias Técnicas Agropecuarias, 26(2), 55–64. Retrieved from https://revistas.unah.edu.cu/index.php/rcta/article/view/491
Section
Original Articles
Author Biography

Carlos M. Martínez-Hernández, Universidad Central “Marta Abreu”de las Villas

Dr.C., Prof. Titular.

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