Analysis of Specific Greenhouse Gas Emissions Savings from Biogas Production Based on Agricultural Residues and Industrial By-Products

Lovrak, Ana; Pukšec, Tomislav; Duić, Neven

doi:10.3390/en16093721

Cited by 4 publications

(4 citation statements)

References 26 publications

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“…The source of biomass production is targeted products, dedicated crops and waste, which should be collected in a selective manner and managed in accordance with the waste management hierarchy. One of the types of waste generated in connection with human activity is biowaste, generated in households but also in the services sector and during various production processes [20]. The Waste Act defines biowaste as: biodegradable waste from gardens and parks; food and kitchen waste from households; gastronomy, including restaurants, canteens and mass caterers; offices, warehouses and retail units; as well as similar waste from plants producing or providing food on the consumer market [21].…”

Section: Biogas-current Statementioning

confidence: 99%

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Balance and Energy Use of Biogas in Poland: Prospects and Directions of Development for the Circular Economy

Ciuła

Wiewiórska²,

Banaś

et al. 2023

Energies

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The production of biogas from biodegradable waste generated in all sectors of the economy in Poland is a key issue for the diversification of energy sources and climate neutrality. The biogas balances presented in the literature based on bio-waste often contain overly optimistic data, which in reality only represent the theoretical potential of biogas in Poland. The pragmatic approach presented in this study fills a gap in research by presenting a technical balance of biogas (real potential) that can be realistically achieved. The objective of the work was to perform a biogas balance in the context of electricity and heat generation in cogeneration units. The tests made it possible to estimate the technical potential of biogas, depending on the source of its generation, the possibility of its conversion to biomethane and biohydrogen and the methods of its use. The research results showed a 30% increase in biogas potential on an annual basis compared to the current state, resulting in a 29% increase in electricity production and a 28% increase in heat production. The technical potential of biogas was estimated at 2186.62 million m3, which would allow for the production of 4627.06 GWh of electricity and 1869.64 TG of heat. The technical balance of biogas and the potential energy production can serve as input material for developing plans and strategies for the development of renewable energy sources in Poland. The work is consistent with the issues of balancing the renewable energy resources from biogas and the methods of conversion into other energy carriers using sustainable energy transformations in order to optimise energy production processes.

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Section: Biogas-current Statementioning

confidence: 99%

“…Figure 3. Current state and prospects of energy production in cogeneration units[19][20][21][22][23][24][25][26][27][30][31][32][33][34][35][36][37] …”

mentioning

confidence: 99%

Balance and Energy Use of Biogas in Poland: Prospects and Directions of Development for the Circular Economy

Ciuła

Wiewiórska²,

Banaś

et al. 2023

Energies

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“…Biomethane is mostly produced from silage from corn and animal waste [43][44][45][46]. However, biowaste and various plant biomass residues are increasingly being used for this purpose [47][48][49]. The production of biogas, due to the reactions taking place during anaerobic digestion, can be carried out at different temperatures.…”

Section: Biogas Productionmentioning

confidence: 99%

Section: Biogas Productionmentioning

confidence: 99%

Agricultural Plant Residues as Potential Co-Substrates for Biogas Production

Frankowski

Czekała

2023

Energies

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Plant biomass can be used in many directions for bioenergy production. Biogas can be produced from a most diverse group of substrates compared to liquid or solid biofuels. The choice of substrates and technologies is crucial because it will allow getting the expected results. Not without significance is also the price and availability of substrates. Therefore, waste and residues are increasingly being used. Accordingly, the aim of the review was to analyze the potential of biogas production from agricultural plant residues and the effectiveness of using this feedstock as a co-substrate in anaerobic digestion. In this article, selected agricultural plant residues are collected, and their advantages and disadvantages as substrates for biogas production are described. Moreover, the effective technology of biogas production by anaerobic digestion on an industrial scale and calculations to obtain biogas and methane efficiency of the substrates are also included. In addition, the summarized biogas efficiency of selected plant agricultural waste under mesophilic conditions studied by many researchers is shown. On the basis of the analyzed results of this research, it can be concluded that agricultural plant residues have great potential as co-substrates for biogas production. It is important to experimentally determine both the biogas and the methane efficiency of the substrate, representing a potential raw material for the production of gaseous biofuels. The use of artificial neural networks in the prediction of biogas emission is future-proof and should facilitate the management of biogas plants. The use of waste from the cultivation and processing of plant raw materials will not only help to manage this waste rationally, but also contribute to the increase in production of renewable energy sources. Accordingly, the circular economy in terms of the management of agricultural plant residues to produce biogas will have a multi-faceted, positive impact on the environment. On the basis of this review, it can be concluded that numerous agricultural plant residues can be used as potential co-substrates for biogas production.

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Economy-energy-environment nexus: the potential of agricultural value-added toward achieving China’s dream of carbon neutrality

Raihan,

Voumik,

Mohajan

et al. 2023

Carbon Res.

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Agriculture is one of the major sources of global emissions that cause climate change while agricultural value added helps to boost the economy in developing countries like China. Therefore, this study aims to investigate the long- and short-term influences of agricultural value added, economic growth (GDP), and energy use on carbon dioxide (CO2) emissions in China. The autoregressive distributed lag (ARDL) method was used by using annual time series data from 1990 to 2021. The empirical outcomes revealed that a 1% increase in the agricultural value added would cut CO2 emissions by 1.37% in the long-run and 0.65% in the short-run. However, this study found that both GDP and energy consumption have a positive and statistically significant effect on CO2 emissions. Furthermore, an inverted U-shaped association between economic growth and environmental pollution was discovered by spotting the positive coefficient of GDP and the negative coefficient of GDP squared, which proved the validity of the environmental Kuznets curve (EKC) hypothesis. The robustness of the ARDL outcomes was verified by using the fully modified ordinary least squares (FMOLS), dynamic ordinary least squares (DOLS), and canonical cointegration regression (CCR) approaches. This study offers a comprehensive set of policy recommendations aimed at enhancing agricultural value added in China. These suggestions focus on the promotion of climate-smart agriculture, the integration of renewable energy sources in agricultural production, and the adoption of advanced technologies within agricultural systems. Implementing these measures would contribute to the achievement of China’s goal of carbon neutrality. Graphical Abstract

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Analysis of Specific Greenhouse Gas Emissions Savings from Biogas Production Based on Agricultural Residues and Industrial By-Products

Cited by 4 publications

References 26 publications

Balance and Energy Use of Biogas in Poland: Prospects and Directions of Development for the Circular Economy

Balance and Energy Use of Biogas in Poland: Prospects and Directions of Development for the Circular Economy

Agricultural Plant Residues as Potential Co-Substrates for Biogas Production

Economy-energy-environment nexus: the potential of agricultural value-added toward achieving China’s dream of carbon neutrality

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