Strategic role of nanotechnology for production of bioethanol and biodiesel

Rai, Mahendra; Santos, Júlio César dos; Soler, Matheus Francisco; Marcelino, Paulo Ricardo Franco; Brumano, Larissa Pereira; Ingle, Avinash P.; Gaikwad, Swapnil; Gade, Aniket; Silva, Sílvio Silvério da

doi:10.1515/ntrev-2015-0069

Cited by 78 publications

(15 citation statements)

References 146 publications

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“…However, third generation biofuels are mainly derived from effective feedstock sources and developed catalytic conversion processes. It mainly relies on the utilization of non-edible, lignocellulosic, and microalgae-based feedstock (Rai et al, 2016;Thangaraj et al, 2019). Figure 1 briefly illustrates the stages in the production of biofuels.…”

Section: Biofuels: a Sustainable Energy Sourcementioning

confidence: 99%

Fabrication and Optimization of Nanocatalyst for Biodiesel Production: An Overview

et al. 2020

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Necessity and exploitation of fossil fuel products are implacable in serving the needs of humanity despite being a finite and limited resource. To meet the thrust of energy, biofuels derived from varieties of renewable resources are imperative in fulfilling the demand of renewable fuels on a large scale without creating environmental concerns. Biofuels are inevitably the result of the carbon fixation process which stores chemical energy, ultimately reducing the total amount of carbon dioxide. Different kinds of biofuels like bioethanol, biomethanol, biogas, and biodiesel are derived depending on varieties of feedstock materials. Among these, production of biodiesel augments the progression of clean and renewable fuel. In this review, we have discussed the production of biodiesel derived from various feedstock and using several processes like pyrolysis, direct blending, micro-emulsion, and trans-esterification, with critical discussion focussing on increasing biodiesel production using nanocatalysts. Biodiesel production mainly proceeds through homogenous and heterogeneous catalysis via trans-esterification method. The review further discusses the significance of nanocatalyst in heterogeneous catalysis based trans-esterification for large scale biodiesel production. With the advent of nanotechnology, designing and modification of nanocatalyst gives rise to attractive properties such as increased surface area, high thermal stability, and enhanced catalytic activity. The role of nanocatalysts have been extensively studied and investigated in regard to the increased biodiesel production. Along with the modification of nanocatalysts, we have briefly discussed the physico-chemical properties and the role of the optimization parameters as it plays a pivotal role in enhancing the biodiesel production commercially.

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Section: Biofuels: a Sustainable Energy Sourcementioning

confidence: 99%

Fabrication and Optimization of Nanocatalyst for Biodiesel Production: An Overview

et al. 2020

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“…Some reports have recently demonstrated that nanotechnology can also offer easy, green, efficient, and economically viable approaches for the pretreatment of LB . Bootsma and Shanks demonstrated the catalytic activity of mesoporous silica functionalized with sulfonic and carboxylic acid in the hydrolysis of cellobiose used as a model compound.…”

Section: Nanotechnology For the Pretreatment Of Lbmentioning

confidence: 99%

“…Most of these were reported to be promising methods but they have certain limitations, which restrict their routine use to some extent. Hence, considering the need for research to develop new alternatives to existing pretreatment methods, nanotechnology could offer promising solutions because it has the potential to change the characteristics of feed materials and biocatalysts used for biofuel production . However, some recent studies have shown that nanotechnology in general and acid‐functionalized magnetic nanoparticles in particular can be used effectively for the pretreatment of some LB .…”

Section: Introductionmentioning

confidence: 99%

New trends in application of nanotechnology for the pretreatment of lignocellulosic biomass

Ingle

Chandel

Antunes

et al. 2018

Biofuels Bioprod Bioref

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Pretreatment is an inevitable step in the bioethanol / biochemicals production process in which lignocellulosic biomass (LB) is converted to fermentable sugars. It has a large impact on process cost, constituting approximately 40% of total processing cost of bioethanol or biochemical production. Several physical, chemical, physicochemical, and biological pretreatment approaches are available but there are certain limitations to the use of all of these methods on a large scale, which mainly include high processing costs, the generation of toxic inhibitors, and the detoxification of the inhibitors generated. These limitations collectively restrict the use of the existing methods and warrants for the development of a novel, efficient, cost‐effective, and ecofriendly approach for the pretreatment of LB. In this context, nanotechnology‐based pretreatment methods, involving the use of various nanomaterials, have been proposed. The smaller size of nanomaterials makes them more efficient in penetrating the cell walls of LB and hence such nanomaterials can readily interact with the lignocellulosic components at low severity to release carbohydrates to be used for bioethanol and / or biochemical production. This review provides a brief description of various existing pretreatment methods and their advantages and disadvantages. It also presents a critical overview of the application of various nanotechnological methods in the pretreatment of different lignocellulosic substrates. © 2018 Society of Chemical Industry and John Wiley & Sons, Ltd

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“…Moreover, high dependency on petroleum-derived fuels has raised many questions about its adverse effects on the environment, economy, and energy saving. Therefore, significant research has been focused on the search for an alternative source that can reduce the consumption of fossil-derived fuels [1].…”

Section: Introductionmentioning

confidence: 99%

Current Trends and Future Prospects of Nanotechnology in Biofuel Production

et al. 2021

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Biofuel is one of the best alternatives to petroleum-derived fuels globally especially in the current scenario, where fossil fuels are continuously depleting. Fossil-based fuels cause severe threats to the environment and human health by releasing greenhouse gases on their burning. With the several limitations in currently available technologies and associated higher expenses, producing biofuels on an industrial scale is a time-consuming operation. Moreover, processes adopted for the conversion of various feedstock to the desired product are different depending upon the various techniques and materials utilized. Nanoparticles (NPs) are one of the best solutions to the current challenges on utilization of biomass in terms of their selectivity, energy efficiency, and time management, with reduced cost involvement. Many of these methods have recently been adopted, and several NPs such as metal, magnetic, and metal oxide are now being used in enhancement of biofuel production. The unique properties of NPs, such as their design, stability, greater surface area to volume ratio, catalytic activity, and reusability, make them effective biofuel additives. In addition, nanomaterials such as carbon nanotubes, carbon nanofibers, and nanosheets have been found to be cost effective as well as stable catalysts for enzyme immobilization, thus improving biofuel synthesis. The current study gives a comprehensive overview of the use of various nanomaterials in biofuel production, as well as the major challenges and future opportunities.

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Strategic role of nanotechnology for production of bioethanol and biodiesel

Cited by 78 publications

References 146 publications

Fabrication and Optimization of Nanocatalyst for Biodiesel Production: An Overview

Fabrication and Optimization of Nanocatalyst for Biodiesel Production: An Overview

New trends in application of nanotechnology for the pretreatment of lignocellulosic biomass

Current Trends and Future Prospects of Nanotechnology in Biofuel Production

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