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Article

Biofuel Produced from Solid-State Anaerobic Digestion of Dairy Cattle Manure in Coordination with Black Soldier Fly Larvae Decomposition

1
Department of Animal Science and Technology, National Taiwan University, Taipei 10673, Taiwan
2
Bioenergy Research Center, College of Bio-resources and Agriculture, National Taiwan University, Taipei 10617, Taiwan
*
Author to whom correspondence should be addressed.
Energies 2019, 12(5), 911; https://doi.org/10.3390/en12050911
Received: 28 December 2018 / Revised: 28 February 2019 / Accepted: 2 March 2019 / Published: 8 March 2019
(This article belongs to the Special Issue Production and Utilization of Biogas)
This study was conducted to evaluate the feasibility of applying a two-step biological treatment process, solid-state anaerobic digestion (SSAD) and black soldier fly larvae (BSFL) composting, for the treatment of dairy cattle manure. Biogas from the SSAD of dairy cattle manure, and the digestate of SSAD was fed to BSFL. In turn, BSFL can be fed to animals as a protein supplement. Adjustment of the pH and 30% inoculation ratio (IR30) during SSAD produced the highest theoretical methane yield, 626.1 ± 28.7 L CH4/kg VSdes, with an ultimate methane yield of 96.81 ± 2.0 L CH4/kg VSload. For BSFL composting, the groups with a feeding rate of 75 and 100 mg/day/larvae had the highest body weight change, which was 969.6 ± 28.4% and 984.1 ± 177.6%, respectively. The combination process of SSAD and BSFL composting increases the incentive for dairy cattle manure treatment instead of conventional composting and produced more valuable products. View Full-Text
Keywords: biogas; black soldier fly; dairy cattle manure; digestate; solid-state anaerobic digestion biogas; black soldier fly; dairy cattle manure; digestate; solid-state anaerobic digestion
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MDPI and ACS Style

Wee, C.Y.; Su, J.-J. Biofuel Produced from Solid-State Anaerobic Digestion of Dairy Cattle Manure in Coordination with Black Soldier Fly Larvae Decomposition. Energies 2019, 12, 911. https://doi.org/10.3390/en12050911

AMA Style

Wee CY, Su J-J. Biofuel Produced from Solid-State Anaerobic Digestion of Dairy Cattle Manure in Coordination with Black Soldier Fly Larvae Decomposition. Energies. 2019; 12(5):911. https://doi.org/10.3390/en12050911

Chicago/Turabian Style

Wee, Choon Y., and Jung-Jeng Su. 2019. "Biofuel Produced from Solid-State Anaerobic Digestion of Dairy Cattle Manure in Coordination with Black Soldier Fly Larvae Decomposition" Energies 12, no. 5: 911. https://doi.org/10.3390/en12050911

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