Catalytic cracking of wax esters extracted from Euglena gracilis for hydrocarbon fuel production

Shimada, Iori; Nakamura, Yoshitaka; Kato, Shin Nosuke; Mori, Ryohei; Ohta, Haruhisa; Suzuki, Kengo; Takatsuka, Toru

doi:10.1016/j.biombioe.2018.03.004

Cited by 22 publications

(3 citation statements)

References 32 publications

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“…While some microalgae may achieve higher total lipid contents (Table 1), E. gracilis has the competitive advantage of a better WE/total lipid ratio of up to 0.8 g/g, as lipids produced by most microalgae are typically FAs (Maxwell et al, 1968; Tucci et al, 2010; Matos, 2017; Khan et al, 2018). Moreover, E. gracilis WEs are more suited for catalytic cracking for the production of fuel as the reaction is faster with less formation of unwanted poorly combustible polyaromatic compounds (Shimada et al, 2018). Enzymes of the FA biosynthesis pathway in E. gracilis have been shown to be crucial for the quality of WE derived from E. gracilis .…”

Section: Biofuels and Bioactive Compoundsmentioning

confidence: 99%

Bioproducts From Euglena gracilis: Synthesis and Applications

Gissibl

Sun

Care

et al. 2019

Front. Bioeng. Biotechnol.

140

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In recent years, the versatile phototrophic protist Euglena gracilis has emerged as an interesting candidate for application-driven research and commercialisation, as it is an excellent source of dietary protein, pro(vitamins), lipids, and the β-1,3-glucan paramylon only found in euglenoids. From these, paramylon is already marketed as an immunostimulatory agent in nutraceuticals. Bioproducts from E. gracilis can be produced under various cultivation conditions discussed in this review, and their yields are relatively high when compared with those achieved in microalgal systems. Future challenges include achieving the economy of large-scale cultivation. Recent insights into the complex metabolism of E. gracilis have highlighted unique metabolic pathways, which could provide new leads for product enhancement by genetic modification of the organism. Also, development of molecular tools for strain improvement are emerging rapidly, making E. gracilis a noteworthy challenger for microalgae such as Chlorella spp. and their products currently on the market.

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Section: Biofuels and Bioactive Compoundsmentioning

confidence: 99%

Bioproducts From Euglena gracilis: Synthesis and Applications

Gissibl

Sun

Care

et al. 2019

Front. Bioeng. Biotechnol.

140

View full text Add to dashboard Cite

show abstract

“…In addition, wax esters have been shown to produce larger amounts of paraffins and olefins instead of flame-retardant aromatics than catalytic cracking of triacylglycerols. This indicates that the lipids from E. gracilis are suitable ingredients for biofuel production using catalytic cracking ( Shimada et al, 2018 ).…”

Section: Industrial Uses Of E Gracilismentioning

confidence: 99%

Genetic Engineering Strategies for Euglena gracilis and Its Industrial Contribution to Sustainable Development Goals: A Review

Harada¹,

Nomura

Yamada³

et al. 2020

Front. Bioeng. Biotechnol.

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The sustainable development goals (SDGs) adopted at the 2015 United Nations Summit are globally applicable goals designed to help countries realize a sustainable future. To achieve these SDGs, it is necessary to utilize renewable biological resources. In recent years, bioeconomy has been an attractive concept for achieving the SDGs. Microalgae are one of the biological resources that show promise in realizing the “5F”s (food, fiber, feed, fertilizer, and fuel). Among the microalgae, Euglena gracilis has the potential for achieving the “5F”s strategy owing to its unique features, such as production of paramylon, that are lacking in other microalgae. E. gracilis has already been produced on an industrial scale for use as an ingredient in functional foods and cosmetics. In recent years, genetic engineering methods for breeding E. gracilis have been researched and developed to achieve higher yields. In this article, we summarize how microalgae contribute toward achieving the SDGs. We focus on the contribution of E. gracilis to the bioeconomy, including its advantages in industrial use as well as its unique characteristics. In addition, we review genetic engineering-related research trends centered on E. gracilis , including a complete nuclear genome determination project, genome editing technology using the CRISPR-Cas9 system, and the development of a screening method for selecting useful strains. In particular, genome editing in E. gracilis could be a breakthrough for molecular breeding of industrially useful strains because of its high efficiency.

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“…Oxigent content is the biggest difference between biofuels and petroleum-based fuels, at almost zero in petroleum-based fuels compared with about 10-45 % in biofuels 3) , so many properties are very different. The high oxygen content in biofuels results in low energy density and tends to cause corrosion in common metals 6) . Therefore, the need for renewable hydrocarbon fuels has encouraged high interest in renewable energy sources other than bioethanol and biodiesel.…”

Section: Introductionmentioning

confidence: 99%

Renewable Hydrocarbon Fuels from Plant Oils for Diesel and Gasoline

Sembiring

Saka

2019

J. Jpn. Petrol. Inst.

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The issues of global CO2 emissions and depletion of non-renewable energy resources associated with fossil fuels encourage the use of plant oils (both edible and non-edible) as biofuel sources. This review summarizes the literature on renewable hydrocarbon fuel production, including feedstock choice, oil extraction, and production processes. Plant oils can be upgraded into hydrocarbon biofuels by catalytic cracking or deoxygenation reactions, such as hydrodeoxygenation, decarboxylation and decarbonylation. This review also covers current progress in renewable hydrocarbon fuel blending with fossil diesel or gasoline to meet the requirements of product quality for engine fuel applications.

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Catalytic cracking of wax esters extracted from Euglena gracilis for hydrocarbon fuel production

Cited by 22 publications

References 32 publications

Bioproducts From Euglena gracilis: Synthesis and Applications

Bioproducts From Euglena gracilis: Synthesis and Applications

Genetic Engineering Strategies for Euglena gracilis and Its Industrial Contribution to Sustainable Development Goals: A Review

Renewable Hydrocarbon Fuels from Plant Oils for Diesel and Gasoline

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