Global crises, notably climate shocks, degraded ecosystems, and growing energy demand, enforce sustainable production and consumption pathways. A circular bioeconomy offers the opportunities to actualize resource and eco-efficiency enhancement, valorization of waste streams, reduction of fossil energy and greenhouse gas (GHG) emissions. Albeit biomass resources are a potential feedstock for bio-hydrogen (bio-H2) production, Ghana’s agricultural residues are not fully utilized. This paper examines the economic and environmental impact of bio-H2 electricity generation using agricultural residues in Ghana. The bio-H2 potential was determined based on biogas steam reforming (BSR). The research highlights that BSR could generate 2617 kt of bio-H2, corresponding to 2.78% of the global hydrogen demand. Yam and maize residues contribute 50.47% of the bio-H2 produced, while millet residues have the most negligible share. A tonne of residues could produce 16.59 kg of bio-H2 and 29.83 kWh of electricity. A total of 4,705.89 GWh of electricity produced could replace the consumption of 21.92% of Ghana’s electricity. The economic viability reveals that electricity cost is $0.174/kWh and has a positive net present value of $2135550609.45 with a benefit-to-cost ratio of 1.26. The fossil diesel displaced is 1421.09 ML, and 3862.55 kt CO2eq of carbon emissions decreased corresponding to an annual reduction potential of 386.26 kt CO2eq. This accounts for reducing 10.26% of Ghana’s GHG emissions. The study demonstrates that hydrogen-based electricity production as an energy transition is a strategic innovation pillar to advance the circular bioeconomy and achieve sustainable development goals.
References
[1]
Kapoor, R., Ghosh, P., Kumar, M., Sengupta, S., Gupta, A., Kumar, S.S., et al. (2020) Valorization of Agricultural Waste for Biogas Based Circular Economy in India: A Research Outlook. Bioresource Technology, 304, Article 123036. https://doi.org/10.1016/j.biortech.2020.123036
[2]
Scheiterle, L. and Birner, R. (2020) Considerations on the Role of Institutions and Networks in the Bioeconomy: Three Case Studies from Ghana and Brazil. ZEF Working Paper Series, No. 196.
[3]
D’Amato, D., Veijonaho, S. and Toppinen, A. (2020) towards Sustainability? Forest-based Circular Bioeconomy Business Models in Finnish Smes. Forest Policy and Economics, 110, Article 101848. https://doi.org/10.1016/j.forpol.2018.12.004
[4]
Klitkou, A. and Bolwig, S. (2019) Adding Value to Side-Streams in the Food and Be-Verage Industry: Lessons for the Circular Bioeconomy. https://nifu.brage.unit.no/nifu-xmlui/bitstream/handle/11250/2600676/2019-12%20Adding_value.pdf?sequence=1&isAllowed=y
[5]
Salvador, R., Puglieri, F.N., Halog, A., Andrade, F.G.d., Piekarski, C.M. and De Francisco, A.C. (2021) Key Aspects for Designing Business Models for a Circular Bioeconomy. Journal of Cleaner Production, 278, Article 124341. https://doi.org/10.1016/j.jclepro.2020.124341
[6]
Gatto, F. and Re, I. (2021) Circular Bioeconomy Business Models to Overcome the Valley of Death. A Systematic Statistical Analysis of Studies and Projects in Emerging Bio-Based Technologies and Trends Linked to the Sme Instrument Support. Sustainability, 13, Article 1899. https://doi.org/10.3390/su13041899
[7]
Mak, T.M.W., Xiong, X., Tsang, D.C.W., Yu, I.K.M. and Poon, C.S. (2020) Sustainable Food Waste Management towards Circular Bioeconomy: Policy Review, Limitations and Opportunities. Bioresource Technology, 297, Article 122497. https://doi.org/10.1016/j.biortech.2019.122497
[8]
Hosseini, S.E., Andwari, A.M., Wahid, M.A. and Bagheri, G. (2013) A Review on Green Energy Potentials in Iran. Renewable and Sustainable Energy Reviews, 27, 533-545. https://doi.org/10.1016/j.rser.2013.07.015
[9]
Banerjee, A., Schelly, C.L. and Halvorsen, K.E. (2018) Constructing a Sustainable Bioeconomy: Multi-Scalar Perceptions of Sustainability. In: Leal Filho, W., Pociovălişteanu, D., Borges de Brito, P. and Borges de Lima, I., Eds., Towards a Sustainable Bioeconomy: Principles, Challenges and Perspectives, World Sustainability Series, 355-374.
[10]
Hosseini, S.E. and Wahid, M.A. (2016) Hydrogen Production from Renewable and Sustainable Energy Resources: Promising Green Energy Carrier for Clean Development. Renewable and Sustainable Energy Reviews, 57, 850-866. https://doi.org/10.1016/j.rser.2015.12.112
[11]
Wang, Y., Li, G., Liu, Z., Cui, P., Zhu, Z. and Yang, S. (2019) Techno-Economic Analysis of Biomass-to-Hydrogen Process in Comparison with Coal-to-Hydrogen Process. Energy, 185, 1063-1075. https://doi.org/10.1016/j.energy.2019.07.119
[12]
Bundhoo, Z.M.A. (2019) Potential of Bio-Hydrogen Production from Dark Fermentation of Crop Residues: A Review. International Journal of Hydrogen Energy, 44, 17346-17362. https://doi.org/10.1016/j.ijhydene.2018.11.098
[13]
Urbaniec, K. and Bakker, R.R. (2015) Biomass Residues as Raw Material for Dark Hydrogen Fermentation—A Review. International Journal of Hydrogen Energy, 40, 3648-3658. https://doi.org/10.1016/j.ijhydene.2015.01.073
[14]
Levin, D.B., Zhu, H., Beland, M., Cicek, N. and Holbein, B.E. (2007) Potential for Hydrogen and Methane Production from Biomass Residues in Canada. Bioresource Technology, 98, 654-660. https://doi.org/10.1016/j.biortech.2006.02.027
[15]
Saebea, D., Authayanun, S., Patcharavorachot, Y. and Arpornwichanop, A. (2014) Thermodynamic Analysis of Hydrogen Production from the Adsorption-Enhanced Steam Reforming of Biogas. Energy Procedia, 61, 2254-2257. https://doi.org/10.1016/j.egypro.2014.12.120
[16]
Asadi, N., Karimi Alavijeh, M. and Zilouei, H. (2017) Development of a Mathematical Methodology to Investigate Biohydrogen Production from Regional and National Agricultural Crop Residues: A Case Study of Iran. International Journal of Hydrogen Energy, 42, 1989-2007. https://doi.org/10.1016/j.ijhydene.2016.10.021
[17]
Ayodele, T.R., Alao, M.A., Ogunjuyigbe, A.S.O. and Munda, J.L. (2019) Electricity Generation Prospective of Hydrogen Derived from Biogas Using Food Waste in South-Western Nigeria. Biomass and Bioenergy, 127, Article 105291. https://doi.org/10.1016/j.biombioe.2019.105291
[18]
Topriska, E., Kolokotroni, M., Dehouche, Z., Novieto, D.T. and Wilson, E.A. (2016) The Potential to Generate Solar Hydrogen for Cooking Applications: Case Studies of Ghana, Jamaica and Indonesia. Renewable Energy, 95, 495-509. https://doi.org/10.1016/j.renene.2016.04.060
[19]
Acakpovi, A., Adjei, P., Asabere, N.Y., Sowah, R.A. and Sackey, D.M. (2021) Techno-Economic Evaluation of Hydrogen Fuel Cell Electricity Generation Based on Anloga (Ghana) Wind Regime. International Journal of Energy Optimization and Engineering, 10, 47-69. https://doi.org/10.4018/ijeoe.2021070103
[20]
Agyekum, E.B., Nutakor, C., Agwa, A.M. and Kamel, S. (2022) A Critical Review of Renewable Hydrogen Production Methods: Factors Affecting Their Scale-up and Its Role in Future Energy Generation. Membranes, 12, Article 173. https://doi.org/10.3390/membranes12020173
[21]
FAOSTAT (2022) Production: Crops and Livestock Products. https://www.fao.org/faostat/en/#data
[22]
Ren, J., Yu, P. and Xu, X. (2019) Straw Utilization in China—Status and Recommendations. Sustainability, 11, Article 1762. https://doi.org/10.3390/su11061762
[23]
Kemausuor, F., Kamp, A., Thomsen, S.T., Bensah, E.C. and Østergård, H. (2014) Assessment of Biomass Residue Availability and Bioenergy Yields in Ghana. Resources, Conservation and Recycling, 86, 28-37. https://doi.org/10.1016/j.resconrec.2014.01.007
[24]
Jiang, Y., Havrysh, V., Klymchuk, O., Nitsenko, V., Balezentis, T. and Streimikiene, D. (2019) Utilization of Crop Residue for Power Generation: The Case of Ukraine. Sustainability, 11, Article 7004. https://doi.org/10.3390/su11247004
[25]
Kashif, M., Awan, M.B., Nawaz, S., Amjad, M., Talib, B., Farooq, M., et al. (2020) Untapped Renewable Energy Potential of Crop Residues in Pakistan: Challenges and Future Directions. Journal of Environmental Management, 256, Article 109924. https://doi.org/10.1016/j.jenvman.2019.109924
[26]
Cardoen, D., Joshi, P., Diels, L., Sarma, P.M. and Pant, D. (2015) Agriculture Biomass in India: Part 2. Post-Harvest Losses, Cost and Environmental Impacts. Resources, Conservation and Recycling, 101, 143-153. https://doi.org/10.1016/j.resconrec.2015.06.002
[27]
Prasad, S., Singh, A., Korres, N.E., Rathore, D., Sevda, S. and Pant, D. (2020) Sustainable Utilization of Crop Residues for Energy Generation: A Life Cycle Assessment (LCA) Perspective. Bioresource Technology, 303, Article 122964. https://doi.org/10.1016/j.biortech.2020.122964
[28]
Tayyab, A., Ahmad, Z., Mahmood, T., Khalid, A., Qadeer, S., Mahmood, S., et al. (2019) Anaerobic Co-Digestion of Catering Food Waste Utilizing Parthenium Hysterophorus as Co-Substrate for Biogas Production. Biomass and Bioenergy, 124, 74-82. https://doi.org/10.1016/j.biombioe.2019.03.013
[29]
Braga, L.B., Silveira, J.L., da Silva, M.E., Tuna, C.E., Machin, E.B. and Pedroso, D.T. (2013) Hydrogen Production by Biogas Steam Reforming: A Technical, Economic and Ecological Analysis. Renewable and Sustainable Energy Reviews, 28, 166-173. https://doi.org/10.1016/j.rser.2013.07.060
[30]
Ogunjuyigbe, A.S.O., Ayodele, T.R. and Alao, M.A. (2017) Electricity Generation from Municipal Solid Waste in Some Selected Cities of Nigeria: An Assessment of Feasibility, Potential and Technologies. Renewable and Sustainable Energy Reviews, 80, 149-162. https://doi.org/10.1016/j.rser.2017.05.177
[31]
Salami, L., Susu, A.A., Patinvoh, R.J. and Olafadehan, O.A. (2011) Characterisation Study of Solid Wastes: A Case of Lagos State. International Journal of Applied Science and Technology, 1, 47-52.
[32]
Rafiee, A., Khalilpour, K.R., Prest, J. and Skryabin, I. (2021) Biogas as an Energy Vector. Biomass and Bioenergy, 144, Article 105935. https://doi.org/10.1016/j.biombioe.2020.105935
[33]
Alves, H.J., Bley Junior, C., Niklevicz, R.R., Frigo, E.P., Frigo, M.S. and Coimbra-Araújo, C.H. (2013) Overview of Hydrogen Production Technologies from Biogas and the Applications in Fuel Cells. International Journal of Hydrogen Energy, 38, 5215-5225. https://doi.org/10.1016/j.ijhydene.2013.02.057
[34]
Cudjoe, D., Chen, W. and Zhu, B. (2022) Valorization of Food Waste into Hydrogen: Energy Potential, Economic Feasibility and Environmental Impact Analysis. Fuel, 324, Article 124476. https://doi.org/10.1016/j.fuel.2022.124476
[35]
Nikolaidis, P. and Poullikkas, A. (2017) A Comparative Overview of Hydrogen Production Processes. Renewable and Sustainable Energy Reviews, 67, 597-611. https://doi.org/10.1016/j.rser.2016.09.044
[36]
Sarrias-Mena, R., Fernández-Ramírez, L.M., García-Vázquez, C.A. and Jurado, F. (2015) Electrolyzer Models for Hydrogen Production from Wind Energy Systems. International Journal of Hydrogen Energy, 40, 2927-2938. https://doi.org/10.1016/j.ijhydene.2014.12.125
[37]
Ozturk, M. and Dincer, I. (2020) Life Cycle Assessment of Hydrogen-Based Electricity Generation in Place of Conventional Fuels for Residential Buildings. International Journal of Hydrogen Energy, 45, 26536-26544. https://doi.org/10.1016/j.ijhydene.2019.05.150
[38]
Wan Ab Karim Ghani, W.A., Moghadam, R.A., Salleh, M.A.M. and Alias, A.B. (2009) Air Gasification of Agricultural Waste in a Fluidized Bed Gasifier: Hydrogen Production Performance. Energies, 2, 258-268. https://doi.org/10.3390/en20200258
[39]
Dufo-López, R. and Bernal-Agustín, J.L. (2008) Multi-Objective Design of PV-Wind-Diesel-Hydrogen-Battery Systems. Renewable Energy, 33, 2559-2572. https://doi.org/10.1016/j.renene.2008.02.027
[40]
Abdelhady, S. (2021) Performance and Cost Evaluation of Solar Dish Power Plant: Sensitivity Analysis of Levelized Cost of Electricity (LCOE) and Net Present Value (NPV). Renewable Energy, 168, 332-342. https://doi.org/10.1016/j.renene.2020.12.074
[41]
Word Bank (2022) Taxes on Income, Profits and Capital Gains (% of Revenue)-Ghana. https://data.worldbank.org/indicator/GC.TAX.YPKG.RV.ZS?locations=GH
Boamah, F. and Rothfuß, E. (2018) From Technical Innovations towards Social Practices and Socio-Technical Transition? Re-Thinking the Transition to Decentralised Solar PV Electrification in Africa. Energy Research & Social Science, 42, 1-10. https://doi.org/10.1016/j.erss.2018.02.019
[44]
Massachusetts Institute of Technology (MIT) (2007) Units & Conversion Fact Sheet.
[45]
Demirbas, A., Baluabaid, M.A., Kabli, M. and Ahmad, W. (2014) Diesel Fuel from Waste Lubricating Oil by Pyrolitic Distillation. Petroleum Science and Technology, 33, 129-138. https://doi.org/10.1080/10916466.2014.955921
[46]
Nizami, A.S., Shahzad, K., Rehan, M., Ouda, O.K.M., Khan, M.Z., Ismail, I.M.I., et al. (2017) Developing Waste Biorefinery in Makkah: A Way Forward to Convert Urban Waste into Renewable Energy. Applied Energy, 186, 189-196. https://doi.org/10.1016/j.apenergy.2016.04.116
[47]
Cook, B. (2002) Introduction to Fuel Cells and Hydrogen Technology. Engineering Science & Education Journal, 11, 205-216. https://doi.org/10.1049/esej:20020601
[48]
UN Climate Action (2022) For a Livable Climate: Net-Zero Commitments Must Be Backed by Credible Action. https://www.un.org/en/climatechange/net-zero-coalition
[49]
Ryu, C. (2010) Potential of Municipal Solid Waste for Renewable Energy Production and Reduction of Greenhouse Gas Emissions in South Korea. Journal of the Air & Waste Management Association, 60, 176-183. https://doi.org/10.3155/1047-3289.60.2.176
[50]
Ayodele, T.R., Alao, M.A. and Ogunjuyigbe, A.S.O. (2020) Effect of Collection Efficiency and Oxidation Factor on Greenhouse Gas Emission and Life Cycle Cost of Landfill Distributed Energy Generation. Sustainable Cities and Society, 52, Article 101821. https://doi.org/10.1016/j.scs.2019.101821
[51]
Cudjoe, D., Wang, H. and zhu, B. (2022) Thermochemical Treatment of Daily COVID-19 Single-Use Facemask Waste: Power Generation Potential and Environmental Impact Analysis. Energy, 249, Article 123707. https://doi.org/10.1016/j.energy.2022.123707
Karimi Alavijeh, M. and Yaghmaei, S. (2016) Biochemical Production of Bioenergy from Agricultural Crops and Residue in Iran. Waste Management, 52, 375-394. https://doi.org/10.1016/j.wasman.2016.03.025
[54]
Karimi Alavijeh, M., Yaghmaei, S. and Mardanpour, M.M. (2019) Assessment of Global Potential of Biohydrogen Production from Agricultural Residues and Its Application in Nitrogen Fertilizer Production. BioEnergy Research, 13, 463-476. https://doi.org/10.1007/s12155-019-10046-1
[55]
Wei, L., Yang, H., Li, B., Wei, X., Chen, L., Shao, J., et al. (2014) Absorption-Enhanced Steam Gasification of Biomass for Hydrogen Production: Effect of Calcium Oxide Addition on Steam Gasification of Pyrolytic Volatiles. International Journal of Hydrogen Energy, 39, 15416-15423. https://doi.org/10.1016/j.ijhydene.2014.07.064
[56]
Energy Commission (2022) 2022 Energy Outlook for Ghana. Demand and Supply Outlook.
[57]
Kuamoah, C. (2020) Renewable Energy Deployment in Ghana: The Hype, Hope and Reality. Insight on Africa, 12, 45-64. https://doi.org/10.1177/0975087819898581
[58]
Crabtree, G.W. and Dresselhaus, M.S. (2008) The Hydrogen Fuel Alternative. MRS Bulletin, 33, 421-428. https://doi.org/10.1557/mrs2008.84
[59]
Lui, J., Paul, M.C., Sloan, W. and You, S. (2022) Techno-Economic Feasibility of Distributed Waste-to-Hydrogen Systems to Support Green Transport in Glasgow. International Journal of Hydrogen Energy, 47, 13532-13551. https://doi.org/10.1016/j.ijhydene.2022.02.120
World Bank (2022) Total Greenhouse Gas Emissions (kt of CO2 Equivalent)-Ghana. https://www.worldbank.org/en/search?q=Ghana+Greenhouse+Gas+%28GHG%29+Emissions+in+Ghana¤tTab=1&x=21&y=20
[62]
Hajjaji, N., Martinez, S., Trably, E., Steyer, J. and Helias, A. (2016) Life Cycle Assessment of Hydrogen Production from Biogas Reforming. International Journal of Hydrogen Energy, 41, 6064-6075. https://doi.org/10.1016/j.ijhydene.2016.03.006
[63]
Hadley Kershaw, E., Hartley, S., McLeod, C. and Polson, P. (2021) The Sustainable Path to a Circular Bioeconomy. Trends in Biotechnology, 39, 542-545. https://doi.org/10.1016/j.tibtech.2020.10.015
[64]
FAO (2024) Sustainable and Circular Bioeconomy for Food Systems Transformation. https://www.fao.org/in-action/sustainable-and-circular-bioeconomy/overview/en/
[65]
Dahiya, S., Kumar, A.N., Shanthi Sravan, J., Chatterjee, S., Sarkar, O. and Mohan, S.V. (2018) Food Waste Biorefinery: Sustainable Strategy for Circular Bioeconomy. Bioresource Technology, 248, 2-12. https://doi.org/10.1016/j.biortech.2017.07.176
[66]
Kumar, P., Mehariya, S., Ray, S., Mishra, A. and Kalia, V.C. (2014) Biodiesel Industry Waste: A Potential Source of Bioenergy and Biopolymers. Indian Journal of Microbiology, 55, 1-7. https://doi.org/10.1007/s12088-014-0509-1
