Prospects of biodiesel production from waste animal fats

Aniokete, Thomas C.; Sadare, Olawumi O.; Daramola, Michael O.

doi:10.1016/b978-0-12-823958-2.00002-1

Cited by 3 publications

(1 citation statement)

References 48 publications

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“…Utilising non-edible oil plants does not provide enough oil to satisfy the energy demand, and the extraction of the oil from the plant seed is complex (Hamza et al, 2020). Studies have shown that waste feedstock rich in oil, such as fat animal waste (e.g., fish waste) and algae, are potential renewable low-cost fuel sources of interest (Aniokete et al, 2022;Douvartzides et al, 2019;Madeen et al, 2021). Fish waste and algae waste from aquaculture are lowcost feedstock and have demonstrated that they can be easily converted into biofuel with minimal economic and environmental impact (Abomohra et al, 2018;Papargyriou et al, 2019).…”

Section: Biodiesel and Renewable Dieselmentioning

confidence: 99%

Sustainable production of biofuels and bioderivatives from aquaculture and marine waste

et al. 2023

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The annual global fish production reached a record 178 million tonnes in 2020, which continues to increase. Today, 49% of the total fish is harvested from aquaculture, which is forecasted to reach 60% of the total fish produced by 2030. Considering that the wastes of fishing industries represent up to 75% of the whole organisms, the fish industry is generating a large amount of waste which is being neglected in most parts of the world. This negligence can be traced to the ridicule of the value of this resource as well as the many difficulties related to its valorisation. In addition, the massive expansion of the aquaculture industry is generating significant environmental consequences, including chemical and biological pollution, disease outbreaks that increase the fish mortality rate, unsustainable feeds, competition for coastal space, and an increase in the macroalgal blooms due to anthropogenic stressors, leading to a negative socio-economic and environmental impact. The establishment of integrated multi-trophic aquaculture (IMTA) has received increasing attention due to the environmental benefits of using waste products and transforming them into valuable products. There is a need to integrate and implement new technologies able to valorise the waste generated from the fish and aquaculture industry making the aquaculture sector and the fish industry more sustainable through the development of a circular economy scheme. This review wants to provide an overview of several approaches to valorise marine waste (e.g., dead fish, algae waste from marine and aquaculture, fish waste), by their transformation into biofuels (biomethane, biohydrogen, biodiesel, green diesel, bioethanol, or biomethanol) and recovering biomolecules such as proteins (collagen, fish hydrolysate protein), polysaccharides (chitosan, chitin, carrageenan, ulvan, alginate, fucoidan, and laminarin) and biosurfactants.

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Section: Biodiesel and Renewable Dieselmentioning

confidence: 99%

Sustainable production of biofuels and bioderivatives from aquaculture and marine waste

et al. 2023

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Optimizing biodiesel production from waste with computational chemistry, machine learning and policy insights: a review

Osman,

Nasr,

Farghali

et al. 2024

Environ Chem Lett

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The excessive reliance on fossil fuels has resulted in an energy crisis, environmental pollution, and health problems, calling for alternative fuels such as biodiesel. Here, we review computational chemistry and machine learning for optimizing biodiesel production from waste. This article presents computational and machine learning techniques, biodiesel characteristics, transesterification, waste materials, and policies encouraging biodiesel production from waste. Computational techniques are applied to catalyst design and deactivation, reaction and reactor optimization, stability assessment, waste feedstock analysis, process scale-up, reaction mechanims, and molecular dynamics simulation. Waste feedstock comprise cooking oil, animal fat, vegetable oil, algae, fish waste, municipal solid waste and sewage sludge. Waste cooking oil represents about 10% of global biodiesel production, and restaurants alone produce over 1,000,000 m3 of waste vegetable oil annual. Microalgae produces 250 times more oil per acre than soybeans and 7–31 times more oil than palm oil. Transesterification of food waste lipids can produce biodiesel with a 100% yield. Sewage sludge represents a significant biomass waste that can contribute to renewable energy production.

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Production of Biodiesel from Industrial Sludge: Recent Progress, Challenges, Perspective

Aryanfar,

Keçebaş,

Sadabad

et al. 2024

Processes

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This study investigated biodiesel production from industrial sludge, focusing on the feasibility and sustainability of converting waste materials into renewable energy sources. This study combines a comparative analysis of various sludge-based biodiesel production methods, highlighting both their environmental benefits and economic potential. Utilizing physical, chemical, and biological pre-treatments, this study optimizes biodiesel yield while assessing the impact of each method on the overall production efficiency. Key findings revealed that industrial sludge provides a viable feedstock, contributes to waste reduction, and reduces greenhouse gas emissions. The novel contributions of this study include a detailed economic assessment of biodiesel production from sludge and a comprehensive environmental impact evaluation that quantifies the potential sustainability benefits. Limitations related to scale-up processes are identified, and solutions to overcome these issues are discussed to improve industrial feasibility. Furthermore, the integration of sludge-based biodiesel production with other renewable energy systems has been explored as a future avenue to enhance energy efficiency and sustainability. This research contributes to a significant scientific niche by addressing scalability challenges and proposing future perspectives for sustainable biodiesel production from industrial waste.

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Prospects of biodiesel production from waste animal fats

Cited by 3 publications

References 48 publications

Sustainable production of biofuels and bioderivatives from aquaculture and marine waste

Sustainable production of biofuels and bioderivatives from aquaculture and marine waste

Optimizing biodiesel production from waste with computational chemistry, machine learning and policy insights: a review

Production of Biodiesel from Industrial Sludge: Recent Progress, Challenges, Perspective

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