Overview on Different Reactors for Biodiesel Production

Akubude, Vivian C.; Jaiyeoba, K. F.; Oyewusi, Toyese Friday; Abbah, E C; Oyedokun, J. A.; Okafor, Victor Chijioke

doi:10.1002/9781119724957.ch12

Cited by 5 publications

(8 citation statements)

References 52 publications

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“…However, limited mass transfer ratio, prolonged reaction time, and elevated temperature and pressure requirement are associated with transesterification through conventional reactors. 66 Different advanced reactors have been designed to eliminate these problems in recent decades. These reactors include micro-reactors, microwave reactors, reactive distillation, centrifugal reactors, and liquid-phase plasma discharge (LPPD) reactors.…”

Section: Production Methods Of Biodiesel and Transesterificationmentioning

confidence: 99%

“…Various conventional reactors such as batch, continuous flow, and packed bed reactors have been used in transesterification processes. However, limited mass transfer ratio, prolonged reaction time, and elevated temperature and pressure requirement are associated with transesterification through conventional reactors 66 . Different advanced reactors have been designed to eliminate these problems in recent decades.…”

Section: Production Methods Of Biodiesel and Transesterificationmentioning

confidence: 99%

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Opportunities and challenges for the application of biodiesel as automotive fuel in the 21st century

Hassan

Rahman

et al. 2022

Biofuels Bioprod Bioref

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Depletion of fossil fuel and massive emissions of hazardous greenhouse gases are prompting many researchers to focus on greener renewable fuel such as biodiesel, which has the potential to replace petrodiesel partially. This review covers various aspects related to biodiesel feedstock and its effects on biodiesel characteristics, biodiesel production methods, blending techniques, biodiesel properties, combustion, engine performance, and emission analysis, the effects of different additives on biodiesel characteristics, and some challenges associated with biodiesel. Moreover, different relevant empirical correlations of biodiesel properties and combustion parameters are presented. Despite alkali catalysis being the most adopted transesterification process, lipase catalysis and heterogeneous catalysis are potential processes for future biodiesel production from low‐cost feedstock. Biodiesel has higher viscosity, density, flash point, cetane number, and pour point while having low heating value in comparison with petrodiesel. Most studies conducted on diesel engine led to a reduction in brake power, brake thermal efficiency, carbon monoxide, sulfur dioxide, particulate matter, and unburned hydrocarbons, and increased brake specific fuel consumption and oxides of nitrogen are associated with biodiesel compared to petrodiesel. In brief, biodiesel is comparable to petrodiesel. However, before there is a large‐scale application of biodiesel in the automotive sector it has to overcome some challenges such as its compatibility with engine components, its instability, its effect on engine wear, deposit formation, and clogging of fuel filters and injectors. Increased focus should also be given to second‐generation biodiesel over first‐generation biodiesel because second‐generation biodiesel can offset production costs, reduce deforestation, and solve the food versus fuel problem. © 2022 Society of Chemical Industry and John Wiley & Sons, Ltd.

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Section: Production Methods Of Biodiesel and Transesterificationmentioning

confidence: 99%

Section: Production Methods Of Biodiesel and Transesterificationmentioning

confidence: 99%

Opportunities and challenges for the application of biodiesel as automotive fuel in the 21st century

Hassan

Rahman

et al. 2022

Biofuels Bioprod Bioref

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“…There must be facilities for heat addition and heat removal, safe operation and maintenance, and effective control to ensure operational safety, effectiveness, and an acceptable level of productivity. To achieve an optimum reactor operation, effective performance, and high product yield, the design stage must consider the configuration, construction materials, cost, reaction kinetics, heat and mass transfer, reaction parameters, and the environmental sustainability of the reactor [ 53 , 54 ]. A reactor can be operated either as a batch or a continuous process.…”

Section: Modes Of Biodiesel Production In Reactor Technologiesmentioning

confidence: 99%

“…At the expiration of the set residence time, the reactants are converted into products and allowed to flow out of the reactor. The process continues almost seamlessly with little or no human intervention [ 54 , 64 ]. The process is inbuilt with mechanisms set up to control the inflow of feedstock, catalyst, and methanol, monitoring agitation speed, residence time, and discharge of the resultant slurry.…”

Section: Modes Of Biodiesel Production In Reactor Technologiesmentioning

confidence: 99%

“…The quality of the product cannot be guaranteed after each production cycle due to many factors. Therefore, to ensure uniformity in standards, increased production efficiency, and cost-efficient production, there is critical need to adopt some proven intensification processes [ 54 ]. The use of reactors is one of the biodiesel intensification processes.…”

Section: Recent Applications Of Tubular Reactors For Biodiesel Produc...mentioning

confidence: 99%

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Application of Tubular Reactor Technologies for the Acceleration of Biodiesel Production

Awogbemi

Kallon

2022

Bioengineering

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The need to arrest the continued environmental contamination and degradation associated with the consumption of fossil-based fuels has continued to serve as an impetus for the increased utilization of renewable fuels. The demand for biodiesel has continued to escalate in the past few decades due to urbanization, industrialization, and stringent government policies in favor of renewable fuels for diverse applications. One of the strategies for ensuring the intensification, commercialization, and increased utilization of biodiesel is the adaptation of reactor technologies, especially tubular reactors. The current study reviewed the deployment of different types and configurations of tubular reactors for the acceleration of biodiesel production. The feedstocks, catalysts, conversion techniques, and modes of biodiesel conversion by reactor technologies are highlighted. The peculiarities, applications, merits, drawbacks, and instances of biodiesel synthesis through a packed bed, fluidized bed, trickle bed, oscillatory flow, and micro-channel tubular reactor technologies are discussed to facilitate a better comprehension of the mechanisms behind the technology. Indeed, the deployment of the transesterification technique in tubular reactor technologies will ensure the ecofriendly, low-cost, and large-scale production of biodiesel, a high product yield, and will generate high-quality biodiesel. The outcome of this study will enrich scholarship and stimulate a renewed interest in the application of tubular reactors for large-scale biodiesel production among biodiesel refiners and other stakeholders. Going forward, the use of innovative technologies such as robotics, machine learning, smart metering, artificial intelligent, and other modeling tools should be deployed to monitor reactor technologies for biodiesel production.

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Biodiesel production from mixed oils: A sustainable approach towards industrial biofuel production

Brahma

Nath

Basumatary

et al. 2022

Chemical Engineering Journal Advances

169

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Overview on Different Reactors for Biodiesel Production

Cited by 5 publications

References 52 publications

Opportunities and challenges for the application of biodiesel as automotive fuel in the 21st century

Opportunities and challenges for the application of biodiesel as automotive fuel in the 21st century

Application of Tubular Reactor Technologies for the Acceleration of Biodiesel Production

Biodiesel production from mixed oils: A sustainable approach towards industrial biofuel production

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