Economy of Effort or Maximum Rate of Information? Exploring Basic Principles of Articulatory Dynamics

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Author list: Xu Y., Prom-on S.

Publisher: Elsevier

Publication year: 2019

Journal: International Journal of Hydrogen Energy (0360-3199)

Volume number: 10

Issue number: 11

ISSN: 0360-3199

URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85056216810&doi=10.1016%2fj.ijhydene.2018.09.080&partnerID=40&md5=6d579e8c0d6359c434bc5a7928129d0c

Languages: English-Great Britain (EN-GB)

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Abstract

Biomethane (CH 4 ) was recovered from co-digestion process of waste glycerol and banana wastes. The wastes used contain waste glycerol with varying concentrations from 7.5 to 90 g L −1 and banana peel in the range 2.5–10 %w·v −1 . The co-substrate mixture ratio was implemented in 0.5 L batch reactor operated at 37 °C and pH 7 for 120 h. The composition of biogas gas and liquid samples (COD, VFA, pH, alkalinity) were analyzed every 12 and 24 h, respectively. The optimum condition to produce CH 4 was found at 7.5 g L −1 waste glycerol mixed with 7.5% banana peel. The highest CH 4 yield and CH 4 production potential were 0.281 m 3 kg −1 COD and 652 mL, respectively. © 2018 Hydrogen Energy Publications LLC

Keywords

Banana waste, Biomethane, Waste glycerol