Use of on-farm produced biofuels on organic farms – Evaluation of energy balances and environmental loads for three possible fuels

Fredriksson, H.; Baky, Andras; Bernesson, Sven; Nordberg, Åke; Norén, Olle; Hansson, Per‐Anders

doi:10.1016/j.agsy.2005.08.009

Cited by 78 publications

(54 citation statements)

References 4 publications

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“…• We compared our results with the international literature [7,8]. The compared analysis between electrical power production from biodiesel and other generation systems, like photovoltaic, diesel, coal and natural gas is made by using data on CO 2 equivalent emissions and energy produced (kWh) for each system, from case studies based on life cycle assessment (LCA).…”

Section: Methodsmentioning

confidence: 99%

Comparing renewable energies: estimating area requirement for biodiesel and photovoltaic solar energy

Bravi¹,

Coppola²,

Ciampalini³

et al. 2007

WIT Transactions on Ecology and the Environment, Vol 105

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This paper describes two kinds of renewable energy: photovoltaic (PV) solar energy installations connected to the Italian electrical grid system, and pure biodiesel (BD100) production by using sunflower oil. A comparison between them is proposed on the basis of: (A) greenhouse gas emissions (GHG) and (B) land requirement. Point (A) is related to the emissions from carbon dioxide (CO 2 ), methane (CH 4 ), nitrous oxide (N 2 O) deriving from energy production and use, which are calculated in terms of CO 2 equivalent by their global warming potentials (GWP); point (B) is related to the area (hectares of biomass plantations and m 2 of photovoltaic panels) necessary for energy production. The results will be compared to those resulting from the use of fossil fuels.

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Section: Methodsmentioning

confidence: 99%

Comparing renewable energies: estimating area requirement for biodiesel and photovoltaic solar energy

Bravi¹,

Coppola²,

Ciampalini³

et al. 2007

WIT Transactions on Ecology and the Environment, Vol 105

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“…The Cellulose strains are associated together to make cellulose fibrils. Cellulose fibers are linked by a number of intra -and inter molecular Anaerobic digestion (AD) of agricultural residues and other biodegradable wastes is widely used as the best treatment options because it yields methane and CO2 rich production [8,9]. Anaerobic digestion of organic waste and residues, ustainable treatment and renewable energy production [10,11].…”

Section: Cellulosementioning

confidence: 99%

“…Anaerobic digestion (AD) of agricultural and other biodegradable wastes is widely used as the best treatment options because it yields methane and CO biogas which is suitable for energy production [8,9 Anaerobic digestion of organic waste and residues, therefore, combines both sustainable treatment and renewable energy production [10,11 involves four steps: hydrolysis, acidogenesis, acetogenesis, and methanogenesis. At the beginning of the process, hydrolysis occurs as extracellular enzymes, which are produced by hydrolytic microbes, decompose complex organic polymers to simple soluble monomers.…”

Section: Introductionmentioning

confidence: 99%

Enhanced biogas production from rice straw with various pretreatment : a review

Sari

Budiyono

2014

waste technol.

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Abstrack -Rice straw is one of organic material that can be used for sustainable production of bioenergy and biofuels such as biogas . Out of all bioconversion technologies for biogas production, anaerobic digestion (AD) is a most cost-effective bioconversion technology that has been implemented worldwide for commercial production of electricity, heat, and compressed natural gas (CNG) from organic materials. However, the utilization of rice straw for biogas production via anaerobic digestion has not been widely adopted because the complicated structure of the plant cell wall makes it resistant to microbial attack. Pretreatment of recalcitrant rice straw is essential to achieve high biogas yield in the AD process. A number of different pretreatment techniques involving using physical pretreatment (hydrothermal and freeze), chemical pretreatment (sodium carbonate -sodium sulfite, hydrogen peroxide, NMMO, alkaline, and dilute acid) and biological pretreatment (fungal pretreatment) also combined pretretment (microwave irradiation and chemical) approaches have been investigated, but there is no report that systematically compares the performance of these pretreatment methods for application on rice straw for biogas production. This paper reviews the methods that

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“…The methane-rich biogas can be used for heat and power production and transport biofuel, while the use of carbon dioxide (biogas contain 25-45% carbon dioxide) can also be considered for various purposes [3]- [6].…”

Section: Introductionmentioning

confidence: 99%

Laboratory Biogas Production from Kitchen Wastes and Applying an Adaptive Neuro Fuzzy Inference System as a Prediction ModelLaboratory Biogas Production from Kitchen Wastes and Applying an Adaptive Neuro Fuzzy Inference System as a Prediction Model

Kobra¹,

Khazraee²,

Hoseini³

et al. 2014

IJESD

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Abstract-Biogas, a clean and renewable energy could be very well substitute for conventional sources of energy. In this study kitchen wastes potential for biogas production was investigated. Batch digestion experiments were accomplished in the laboratory using 1L capacity bottle reactors at ambient temperature, and the effect of some parameters such as solid waste concentration and sheep manure percentage on the gas production efficiency was investigated.Also an adaptive nero-fuzzy interference system (ANFIS) was proposed as a prediction model to predict biogas production through kitchen wastes digester.The selected experimental data were trained by a hybrid learning algorithm. The algorithm combines the forward pass and the backward pass. The developed model was validated and statistically analyzed using scatter diagram through actual and predicted data. The ANFIS predicted data demonstrated reasonable agreement with actual data.Index Terms-Kitchen waste, sheep manure, batch digestion.

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Use of on-farm produced biofuels on organic farms – Evaluation of energy balances and environmental loads for three possible fuels

Cited by 78 publications

References 4 publications

Comparing renewable energies: estimating area requirement for biodiesel and photovoltaic solar energy

Comparing renewable energies: estimating area requirement for biodiesel and photovoltaic solar energy

Enhanced biogas production from rice straw with various pretreatment : a review

Laboratory Biogas Production from Kitchen Wastes and Applying an Adaptive Neuro Fuzzy Inference System as a Prediction ModelLaboratory Biogas Production from Kitchen Wastes and Applying an Adaptive Neuro Fuzzy Inference System as a Prediction Model

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