Land Use Change Impacts of Biofuels: A Methodology to Evaluate Biofuel Sustainability

Barnabè, D.; Bucchi, R.; Rispoli, Andrea Liberale; Chiavetta, Cristian; Porta, Pier Luigi; Bianchi, Claudia L.; Pirola, Carlo; Boffito, Daria C.; Carvoli, G.

doi:10.5772/52255

Cited by 5 publications

(2 citation statements)

References 36 publications

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“…A46 is a copolymer of styrene cross-linked with divinylbenzene (DVB) with sulphuric type acid groups in the form of spherical beads ( Figure 1). The amount of crosslinking determines its main physical characteristics (surface area and pore size distribution) ( Table 3) [32]. The higher the DVB amount added during the copolymerization, the higher the reticulation degree and, as a consequence, the smaller the pores.…”

Section: Catalyst Amberlyst ® 46mentioning

confidence: 99%

Ultrasonic free fatty acids esterification in tobacco and canola oil

Boffito

Galli

Pirola

et al. 2014

Ultrasonics Sonochemistry

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Ultrasound accelerates the free fatty acids esterification rate by reducing the mass transfer resistance between methanol in the liquid phase and absorbed organic species on Amberlyst®46 catalyst. The reaction rates of canola oil is three times greater than for tobacco seed oil but half the reaction rate of pure oleic acid as measured in a batch reactor. The beneficial effects of ultrasound vs. the conventional approach are more pronounced at lower temperatures (20°C and 40°C vs. 63°C): at 20°C, the free fatty acids conversion reaches 68% vs. 23% with conventional mechanical stirring. The increased conversion is attributed to acoustic cavitation that increases mass transfer in the vicinity of the active sites. The Eley-Rideal kinetic model in which the concentration of the reacting species is expressed taking into account the mass transfer between the phases is in excellent agreement with the experimental data. Ultrasound increases the mass transfer coefficient in the tobacco oil 6 and 4.1 fold at 20°C and 40°C, respectively.

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Section: Catalyst Amberlyst ® 46mentioning

confidence: 99%

Ultrasonic free fatty acids esterification in tobacco and canola oil

Boffito

Galli

Pirola

et al. 2014

Ultrasonics Sonochemistry

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“…For example, the economic benefits may accrue primarily to large agribusinesses, while the negative impacts, such as land use change and biodiversity degradation, may disproportionately affect indigenous communities or marginalized groups. Also, the increasing demand for corn as a feedstock for biofuels may lead to changes in land use practices that impact marginalized communities, potentially leading to displacement of smallholder farmers and land tenure issues [55].…”

Section: Social Implicationsmentioning

confidence: 99%

Corn for Biofuel: Status, Prospects and Implications

Ranjan Padhan,

Lal Jat,

Mishra

et al. 2024

Agricultural Sciences

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Biofuel offers an alternative energy source to meet the energy demands of a growing population of 8 billion while minimizing environmental impact. Globally, around 3000 petajoules of biofuel are produced, diversifying energy sources from conventional to renewable. Corn, rich in starch that can be converted into ethanol, is widely used in biofuel production. Corn-based biofuels are popular due to their potential to reduce greenhouse gas emissions, their biodegradability, and clean ignition, enhancing energy security. While the current state of corn as a biofuel source appears promising, increasing production requires breeding strategies like varietal crossing and cultivar selection to enhance biomass and starch content. Better agronomic practices and extension strategies are also necessary to improve yield and promote adoption among farmers. Using maize as a feedstock for biofuel production can boost the agricultural industry, create jobs in farming, processing, and transportation, and reduce reliance on foreign oil while preserving foreign exchange reserves. Technological advancements, viz., cellulosic ethanol production, have further expanded the potential use of corn for biofuels due to its abundance and convenience. However, the future of corn-based biofuels is uncertain. Therefore, ongoing innovation, exploration of alternative feedstocks, and cutting-edge technologies are necessary to overcome challenges.

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Biofuels and Sustainability

Eswaran¹,

Parameswaran²,

Johnson³

2021

Methods in Molecular Biology

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Land Use Change Impacts of Biofuels: A Methodology to Evaluate Biofuel Sustainability

Cited by 5 publications

References 36 publications

Ultrasonic free fatty acids esterification in tobacco and canola oil

Ultrasonic free fatty acids esterification in tobacco and canola oil

Corn for Biofuel: Status, Prospects and Implications

Biofuels and Sustainability

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