Impact of Co-digesting food waste with cow dung

Jonathan Bambokela Empompo, Glodi Niangi Mayala, Anthony Njuguna Matheri, Edison Muzenda, Mohamed Belaid

Research output: Contribution to conferencePaper

Abstract

Producing energy from fossil fuels has created unliveable conditions. Climate change for instance, is one of the most environmental issue of our time. Renewable energy, clean source of energy, is considered as an essential part of the remedy. In this study, we investigated the production of biomethane via anaerobic monodigestion of food waste (FW) and co-digestion of FW with cow dung. The digestion took place under thermophilic conditions at 45˚C. A comparative analysis was done on the biogas yield of both mono and co-digestion. FW, FW and cow dung of the ratios, 2:1 and 1:2 were used as the substrates in the digestion. The anaerobic monodigestion of FW displayed the highest biomethane yield produced, of 405.1 Nml. Two main parameters helped in achieving that, volatile solids content (VS) and total solids
content (TS). In addition to the two parameters, the pH and the C/N ratio helped in enhancing the biomethane production of both mono and co-digestion. As the objective is the optimization of the biomethane yield by co-digestion, co-digesting FW with cow dung resulted in decreasing considerably the biomethane yield by 32.16 to 33.99%.
Original languageEnglish
Number of pages4
Publication statusPublished - 2017
Event2nd International Engineering Conference 2017 - Minna, Nigeria
Duration: Oct 17 2017Oct 19 2017

Conference

Conference2nd International Engineering Conference 2017
Abbreviated titleIEC 2017
CountryNigeria
CityMinna
Period10/17/1710/19/17

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food waste
cattle manure
digestion
energy
fossil fuels
biogas
renewable energy sources
carbon nitrogen ratio
climate change

Cite this

Empompo, J. B., Mayala, G. N., Matheri, A. N., Muzenda, E., & Belaid, M. (2017). Impact of Co-digesting food waste with cow dung. Paper presented at 2nd International Engineering Conference 2017, Minna, Nigeria.
Empompo, Jonathan Bambokela ; Mayala, Glodi Niangi ; Matheri, Anthony Njuguna ; Muzenda, Edison ; Belaid, Mohamed. / Impact of Co-digesting food waste with cow dung. Paper presented at 2nd International Engineering Conference 2017, Minna, Nigeria.4 p.
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Empompo, JB, Mayala, GN, Matheri, AN, Muzenda, E & Belaid, M 2017, 'Impact of Co-digesting food waste with cow dung' Paper presented at 2nd International Engineering Conference 2017, Minna, Nigeria, 10/17/17 - 10/19/17, .

Impact of Co-digesting food waste with cow dung. / Empompo, Jonathan Bambokela; Mayala, Glodi Niangi; Matheri, Anthony Njuguna; Muzenda, Edison; Belaid, Mohamed.

2017. Paper presented at 2nd International Engineering Conference 2017, Minna, Nigeria.

Research output: Contribution to conferencePaper

TY - CONF

T1 - Impact of Co-digesting food waste with cow dung

AU - Empompo, Jonathan Bambokela

AU - Mayala, Glodi Niangi

AU - Matheri, Anthony Njuguna

AU - Muzenda, Edison

AU - Belaid, Mohamed

PY - 2017

Y1 - 2017

N2 - Producing energy from fossil fuels has created unliveable conditions. Climate change for instance, is one of the most environmental issue of our time. Renewable energy, clean source of energy, is considered as an essential part of the remedy. In this study, we investigated the production of biomethane via anaerobic monodigestion of food waste (FW) and co-digestion of FW with cow dung. The digestion took place under thermophilic conditions at 45˚C. A comparative analysis was done on the biogas yield of both mono and co-digestion. FW, FW and cow dung of the ratios, 2:1 and 1:2 were used as the substrates in the digestion. The anaerobic monodigestion of FW displayed the highest biomethane yield produced, of 405.1 Nml. Two main parameters helped in achieving that, volatile solids content (VS) and total solidscontent (TS). In addition to the two parameters, the pH and the C/N ratio helped in enhancing the biomethane production of both mono and co-digestion. As the objective is the optimization of the biomethane yield by co-digestion, co-digesting FW with cow dung resulted in decreasing considerably the biomethane yield by 32.16 to 33.99%.

AB - Producing energy from fossil fuels has created unliveable conditions. Climate change for instance, is one of the most environmental issue of our time. Renewable energy, clean source of energy, is considered as an essential part of the remedy. In this study, we investigated the production of biomethane via anaerobic monodigestion of food waste (FW) and co-digestion of FW with cow dung. The digestion took place under thermophilic conditions at 45˚C. A comparative analysis was done on the biogas yield of both mono and co-digestion. FW, FW and cow dung of the ratios, 2:1 and 1:2 were used as the substrates in the digestion. The anaerobic monodigestion of FW displayed the highest biomethane yield produced, of 405.1 Nml. Two main parameters helped in achieving that, volatile solids content (VS) and total solidscontent (TS). In addition to the two parameters, the pH and the C/N ratio helped in enhancing the biomethane production of both mono and co-digestion. As the objective is the optimization of the biomethane yield by co-digestion, co-digesting FW with cow dung resulted in decreasing considerably the biomethane yield by 32.16 to 33.99%.

M3 - Paper

ER -

Empompo JB, Mayala GN, Matheri AN, Muzenda E, Belaid M. Impact of Co-digesting food waste with cow dung. 2017. Paper presented at 2nd International Engineering Conference 2017, Minna, Nigeria.