微細藻類を利用した液体燃料生産

Tsukahara, Kenichiro; Sawayama, Shigeki

doi:10.1627/jpi.48.251

Cited by 207 publications

(67 citation statements)

References 37 publications

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“…These organisms produce large amounts of isoprenoids as well as fatty acids [27]. Owing to the complex mixture of hydro-carbons, the extract is more akin to a biocrude and there-fore would require hydrogenation and cracking, in much the same manner as fossil-derived counterparts [43]. Advances in the understanding and engineering of isopre-noid biosynthesis pathways might facilitate the production of either a similar biocrude or perhaps enginecompatible molecules from microorganisms.…”

Section: The Isoprenoid Pathwaymentioning

confidence: 99%

Biofuel alternatives to ethanol: pumping the microbial well

Fortman

Chhabra

Mukhopadhyay

et al. 2008

Trends in Biotechnology

337

209

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Section: The Isoprenoid Pathwaymentioning

confidence: 99%

Biofuel alternatives to ethanol: pumping the microbial well

Fortman

Chhabra

Mukhopadhyay

et al. 2008

Trends in Biotechnology

337

209

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“…Algae are an extremely diverse group of organisms, and it is not surprising that different species of algae produce different compounds that could be used as alternative fuel feedstock. Five commonly studied algal components or products useful for alternative fuels are: lipids for petroleum fuel substitutes, carbohydrates for ethanol, hydrogen, methane via biomass gasification, and biomass for direct combustion, anaerobic digestion, or thermochemical conversion [1][2][3][4][5][6][7][8][9][10]. The conversion pathways that are available (i.e., biochemical conversion, thermochemical conversion, and transesterification) for producing algae-based fuel (e.g., biodiesel, methane, hydrogen, electricity, etc.)…”

Section: Gmmentioning

confidence: 99%

“…10. Equations 4,5,6,7,8,9, and those listed in Table 3 demonstrate the difference between the cost of production steps, which are denoted with a tilde (e.g., cost of growth, e c G ), and the cost of products, which do not include a tilde (e.g., the cost of grown mass, c GM ).…”

Section: Costmentioning

confidence: 99%

A Framework to Report the Production of Renewable Diesel from Algae

et al. 2010

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Recently, algae have received significant interest as a potential feedstock for renewable diesel (such as biodiesel), and many researchers have attempted to quantify this potential. Some of these attempts are less useful because they have not incorporated specific values of algal lipid content, have not included processing inefficiencies, or omitted processing steps required for renewable diesel production. Furthermore, the associated energy, materials, and costs requirements are sometimes omitted. The accuracy and applicability of these estimates can be improved by using data that are more specific, including all relevant information for renewable diesel production, and by presenting information with more relevant metrics. To determine whether algae are a viable source for renewable diesel, three questions that must be answered are (1) how much renewable diesel can be produced from algae, (2) what is the financial cost of production, and (3) what is the energy ratio of production? To help accurately answer these questions, we propose an analytical framework and associated nomenclature system for characterizing renewable diesel production from algae. The three production pathways discussed in this study are the transesterification of extracted algal lipids, thermochemical conversion of algal biomass, and conversion of secreted algal oils. The nomenclature system is initially presented from a top-level perspective that is applicable to all production pathways for renewable diesel from algae. Then, the nomenclature is expanded to characterize the production of renewable diesel (specifically, biodiesel) from extracted algal lipids in detail (cf. Appendix 2). The analytical framework uses the presented nomenclature system and includes three main principles: using appropriate reporting metrics, using symbolic notation to represent unknown values, and presenting results that are specific to algal species, growth conditions, and product composition.

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“…Culturing of algae near to saline or brackish water region can minimize the use of land and water [5]. Algae help in reduction of carbon dioxide emissions by converting them into glucose.…”

Section: Introductionmentioning

confidence: 99%

An Insight on Algal Cell Disruption for Biodiesel Production

Aarthy

Smita

Turkar

et al. 2018

Asian J Pharm Clin Res

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Objective: This review article deals with the effect that various cell disruption techniques have on the efficiency of lipid extraction. We have reviewed existing algal cell disruption techniques that aid the biodiesel production process.Methods: Current rise in demand for energy has led the researcher to focus on the production of sustainable fuels, among which biodiesel has received greater attention. This is due to its larger lipid content, higher growth rate, larger biomass production, and lower land use. Extraction of lipid from algae (micro and macro) for the production of biodiesel involves numerous downstream processing steps, of which cell wall disruption is a crucial step. Bead milling, high-pressure homogenization, ultra-sonication, freeze-drying, acid treatment, and enzymatic lysis are some methods of cell disruption. The cell disruption technique needs to be optimized based on the structure and biochemical composition of algae. Result:The lipid extraction efficiency varies depending on the algal species and the cell disruption technique used. Conclusion:In-depth research and development of new techniques are required to further enhance the cell disruption of the algal cell wall for the enhanced recovery of lipids. In addition, the operating costs and energy consumption should also be optimized for the cost-effective recovery.

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微細藻類を利用した液体燃料生産

Cited by 207 publications

References 37 publications

Biofuel alternatives to ethanol: pumping the microbial well

Biofuel alternatives to ethanol: pumping the microbial well

A Framework to Report the Production of Renewable Diesel from Algae

An Insight on Algal Cell Disruption for Biodiesel Production

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