Evaluation of Energetic Potential of Slaughterhouse Waste and Its Press Water Obtained by Pressure-Induced Separation via Anaerobic Digestion

Joseph Yankyera Kusi (), Florian Empl, Ralf Müller, Stefan Pelz, Jens Poetsch, Gregor Sailer, Rainer Kirchhof, Nana Sarfo Agyemang Derkyi, Francis Attiogbe and Sarah Elikplim Siabi
Additional contact information
Joseph Yankyera Kusi: Regional Centre of Energy and Environmental Sustainability (RCEES), University of Energy and Natural Resources, Sunyani P.O. Box 214, Ghana
Florian Empl: University of Applied Forest Sciences, Schadenweiler Hof, 72108 Rottenburg, Germany
Ralf Müller: University of Applied Forest Sciences, Schadenweiler Hof, 72108 Rottenburg, Germany
Stefan Pelz: University of Applied Forest Sciences, Schadenweiler Hof, 72108 Rottenburg, Germany
Jens Poetsch: University of Applied Forest Sciences, Schadenweiler Hof, 72108 Rottenburg, Germany
Gregor Sailer: State Institute of Agricultural Engineering and Bioenergy, University of Hohenheim, Garbenstraße 9, 70599 Stuttgart, Germany
Rainer Kirchhof: University of Applied Forest Sciences, Schadenweiler Hof, 72108 Rottenburg, Germany
Nana Sarfo Agyemang Derkyi: Regional Centre of Energy and Environmental Sustainability (RCEES), University of Energy and Natural Resources, Sunyani P.O. Box 214, Ghana
Francis Attiogbe: Regional Centre of Energy and Environmental Sustainability (RCEES), University of Energy and Natural Resources, Sunyani P.O. Box 214, Ghana
Sarah Elikplim Siabi: Department of Civil and Environmental Engineering, University of Energy and Natural Resources, Sunyani P.O. Box 214, Ghana

Energies, 2024, vol. 17, issue 22, 1-20

Abstract: Anaerobic digestion has the potential to convert organic waste materials into valuable energy. At the same time, using press water from biomass materials for energy generation while taking advantage of the resulting cake for other purposes is an emerging approach. Therefore, this study aimed to investigate the residual potential expected from a typical biogas feedstock after it has been mechanically separated into liquid and solid phases. Hence, in this study, the rumen contents of ruminants (cow, goat, and sheep) and their proportionate ratios were obtained from an abattoir in Ghana. Resource characterization of the waste samples was carried out in the central laboratory of the HFR, Germany. Anaerobic batch tests for biogas (biomethane) yield determination were set up using the Hohenheim Biogas Yield Test (HBT). The inoculum used was obtained from an inoculum production unit at the Hohenheim University biogas laboratory. The trial involved two different forms of the sample: mixture of rumen contents, press water, and inoculum, each in four (4) replicates. The trial was carried out at a mesophilic temperature of 37 °C. Results obtained over a seventy (70) day period were transformed into biogas yields. Overall, the results show that the current contents are suitable for biogas generation as an option as opposed to the current form of disposal at a refuse dump. However, using these mixtures in their original forms is more technically viable than using press water without further treatment.

Keywords: anaerobic digestion; pressure induced separation; waste materials; Hohenheim Biogas Yield Test 5; press water (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

Downloads: (external link)
https://www.mdpi.com/1996-1073/17/22/5522/pdf (application/pdf)
https://www.mdpi.com/1996-1073/17/22/5522/ (text/html)

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:gam:jeners:v:17:y:2024:i:22:p:5522-:d:1514260

Access Statistics for this article

Energies is currently edited by Ms. Agatha Cao

More articles in Energies from MDPI
Bibliographic data for series maintained by MDPI Indexing Manager ().