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Cocoa residues as viable biomass for renewable energy production through anaerobic digestion

(2018) BIORESOURCE TECHNOLOGY. 265. p.568-572
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Abstract
The aim of this work was to evaluate the bioenergy potential of cocoa residue via anaerobic digestion. Batch and fed-batch lab-scale reactors were operated under low and high solids conditions. In the batch tests, 59 +/- 4% of Chemical Oxygen Demand (COD) was recovered as methane. This corresponded with an average methane yield of 174 (wet) and 193 (dry) L kg(-1) volatile solids fed, whereas a series of fed-batch reactors produced 70 +/- 24 (wet) and 107 +/- 39 (dry) L CH4 kg(-1) volatile solids fed during stable conditions. A case study was developed for canton Balao (Ecuador) based on our experimental data, operational estimates and available cocoa waste in the area. Annually, 8341 MWh could be produced, meeting 88% of the current electricity demand in Balao. This case study proves the potential for cocoa waste as a source of renewable energy in rural areas.
Keywords
Biogas, Cocoa waste, Bio-energy, Methane, Agricultural residues, BIOGAS PRODUCTION, RICE STRAW, FOOD WASTE, METHANE, DRY, BATCH, MODE, WET

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Citation

Please use this url to cite or link to this publication:

MLA
Acosta, Nayaret, Jo De Vrieze, Verónica Sandoval, et al. “Cocoa Residues as Viable Biomass for Renewable Energy Production Through Anaerobic Digestion.” BIORESOURCE TECHNOLOGY 265 (2018): 568–572. Print.
APA
Acosta, N., De Vrieze, J., Sandoval, V., Sinche, D., Wierinck, I., & Rabaey, K. (2018). Cocoa residues as viable biomass for renewable energy production through anaerobic digestion. BIORESOURCE TECHNOLOGY, 265, 568–572.
Chicago author-date
Acosta, Nayaret, Jo De Vrieze, Verónica Sandoval, Danny Sinche, Isabella Wierinck, and Korneel Rabaey. 2018. “Cocoa Residues as Viable Biomass for Renewable Energy Production Through Anaerobic Digestion.” Bioresource Technology 265: 568–572.
Chicago author-date (all authors)
Acosta, Nayaret, Jo De Vrieze, Verónica Sandoval, Danny Sinche, Isabella Wierinck, and Korneel Rabaey. 2018. “Cocoa Residues as Viable Biomass for Renewable Energy Production Through Anaerobic Digestion.” Bioresource Technology 265: 568–572.
Vancouver
1.
Acosta N, De Vrieze J, Sandoval V, Sinche D, Wierinck I, Rabaey K. Cocoa residues as viable biomass for renewable energy production through anaerobic digestion. BIORESOURCE TECHNOLOGY. 2018;265:568–72.
IEEE
[1]
N. Acosta Ortiz, J. De Vrieze, V. Sandoval, D. Sinche, I. Wierinck, and K. Rabaey, “Cocoa residues as viable biomass for renewable energy production through anaerobic digestion,” BIORESOURCE TECHNOLOGY, vol. 265, pp. 568–572, 2018.
@article{8564484,
  abstract     = {The aim of this work was to evaluate the bioenergy potential of cocoa residue via anaerobic digestion. Batch and fed-batch lab-scale reactors were operated under low and high solids conditions. In the batch tests, 59 +/- 4% of Chemical Oxygen Demand (COD) was recovered as methane. This corresponded with an average methane yield of 174 (wet) and 193 (dry) L kg(-1) volatile solids fed, whereas a series of fed-batch reactors produced 70 +/- 24 (wet) and 107 +/- 39 (dry) L CH4 kg(-1) volatile solids fed during stable conditions. A case study was developed for canton Balao (Ecuador) based on our experimental data, operational estimates and available cocoa waste in the area. Annually, 8341 MWh could be produced, meeting 88% of the current electricity demand in Balao. This case study proves the potential for cocoa waste as a source of renewable energy in rural areas.},
  author       = {Acosta Ortiz, Nayaret and De Vrieze, Jo and Sandoval, Verónica and Sinche, Danny and Wierinck, Isabella and Rabaey, Korneel},
  issn         = {0960-8524},
  journal      = {BIORESOURCE TECHNOLOGY},
  keywords     = {Biogas,Cocoa waste,Bio-energy,Methane,Agricultural residues,BIOGAS PRODUCTION,RICE STRAW,FOOD WASTE,METHANE,DRY,BATCH,MODE,WET},
  language     = {eng},
  pages        = {568--572},
  title        = {Cocoa residues as viable biomass for renewable energy production through anaerobic digestion},
  url          = {http://dx.doi.org/10.1016/j.biortech.2018.05.100},
  volume       = {265},
  year         = {2018},
}

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