Innovative developments in biofuels production from organic waste materials: A review

Stephen, J.; Balasubramanian, Periyasamy

doi:10.1016/j.fuel.2017.11.042

Cited by 132 publications

(27 citation statements)

References 52 publications

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“…However, fossil fuels are not renewable, and their resources are depleting day by day [4][5][6]. Among the potential energy sources, microalgae-derived biofuels are considered a comparable alternative for fossil fuels [5,7]. Microalgae is a potential feedstock for a number of applications such as the production of animal feed, value-added products, and biofuels [8,9].…”

Section: Introductionmentioning

confidence: 99%

Improving ‘Lipid Productivity’ in Microalgae by Bilateral Enhancement of Biomass and Lipid Contents: A Review

Shokravi

Ong

et al. 2020

Sustainability

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Microalgae have received widespread interest owing to their potential in biofuel production. However, economical microalgal biomass production is conditioned by enhancing the lipid accumulation without decreasing growth rate or by increasing both simultaneously. While extensive investigation has been performed on promoting the economic feasibility of microalgal-based biofuel production that aims to increase the productivity of microalgae species, only a handful of them deal with increasing lipid productivity (based on lipid contents and growth rate) in the feedstock production process. The purpose of this review is to provide an overview of the recent advances and novel approaches in promoting lipid productivity (depends on biomass and lipid contents) in feedstock production from strain selection to after-harvesting stages. The current study comprises two parts. In the first part, bilateral improving biomass/lipid production will be investigated in upstream measures, including strain selection, genetic engineering, and cultivation stages. In the second part, the enhancement of lipid productivity will be discussed in the downstream measure included in the harvesting and after-harvesting stages. An integrated approach involving the strategies for increasing lipid productivity in up- and down-stream measures can be a breakthrough approach that would promote the commercialization of market-driven microalgae-derived biofuel production.

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Section: Introductionmentioning

confidence: 99%

Improving ‘Lipid Productivity’ in Microalgae by Bilateral Enhancement of Biomass and Lipid Contents: A Review

Shokravi

Ong

et al. 2020

Sustainability

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“…For enhancing the activity of methanogenic bacteria, which acts as a catalyst to the production of bioenergy, nanostructures are always adopted with the captivating results, such as the enhancement of the methane gas production. 35,36 Moreover, the catalyst attached on nanostructures is more active and efficient, for instance, the enhancement of the activity of disintegration, the improvement of the yield of methane and biogas production. 37…”

Section: Applied In Biogas Productionmentioning

confidence: 99%

Silicon nanowires (SiNWs) surface engineering potential for bioenergy

Guo¹

2018

MOJABB

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of the surface oxide layer of SiNWs could be removed and the surface composition may be changed. Meanwhile, for the nitridation, there will be a nitride layer formed due to the reaction between the oxide and nitrogen species and the silicon nitride is air inert to the exposure and can prevent SiNWs from further oxidation. Silicon nanowires (SiNWs) HF treatment The silicon oxide layer of SiNWs serves as a protective layer rendering SiNWs relatively inert. The inertness of SiNWs is unfavorable for SiNWs applications. Thus, it is significant to

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“…4,5,7,9,11 One of the ways in which food waste can be avoided is to use food by-products for bioenergy production. [12][13][14] As an example, pine pellets, 15 olive stones, 16 avocado stones, 17 almond shells, 18 mango stones, 17 and herbaceous biomasses blended with woody biomasses 4 are all used to prepare solid biofuels. 19 However, no existing studies are known to the authors on the use of biofuels prepared from mandarin peels and rice husks to improve their potential as solid biofuels.…”

Section: Introductionmentioning

confidence: 99%

Mandarin Peels and Rice Husks as Substrates for Solid Biofuel

Ezirio¹,

Costa²,

Barcelos³

et al. 2020

Cellulose Chem. Technol.

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Biomass, such as mandarin peels and rice husks, are among the most abundant and accessible sources for the conversion of crops into solid biofuel. It is important to highlight that sustainable bioenergy must have high efficiency; therefore, the heating values of biofuel samples produced from rice husks, mandarin peels, corn starch, glycerol, citric acid and acetic acid have been evaluated in the present study. The total moisture content, ash content and heating values of the sixteen biofuels produced were determined. The compressive strength was also determined and it was found that all the samples presented maximum resistance, appropriate for the storage and handling of the developed solid biofuel. Replacing rice husks with mandarin peels resulted in a reduction of the silica mass in the ash content. In addition, in four specimens, the amounts of nutrients (N, P, K, Ca and Mg) and heavy metals (Cu, Zn, Fe, Mn, Cd, Pb, Cr and Al) found in the ash were measured. It was found that the amount of nutrients increased proportionally with the quantity of mandarin peels in the solid biofuel. The solid biofuel with a higher quantity of mandarin peels showed greater high and low heating values, which were 19.18 MJ.kg -1 and 17.92 MJ.kg -1 , respectively. All the developed biofuels were shown to be capable of replacing traditional heat sources, such as firewood (7.12-10.47 MJ.kg -1 ).

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Innovative developments in biofuels production from organic waste materials: A review

Cited by 132 publications

References 52 publications

Improving ‘Lipid Productivity’ in Microalgae by Bilateral Enhancement of Biomass and Lipid Contents: A Review

Improving ‘Lipid Productivity’ in Microalgae by Bilateral Enhancement of Biomass and Lipid Contents: A Review

Silicon nanowires (SiNWs) surface engineering potential for bioenergy

Mandarin Peels and Rice Husks as Substrates for Solid Biofuel

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