Biodiesel Production from Lignocellulosic Biomass Using Oleaginous Microbes

Kumar, Sanjeev; Gujjala, Lohit Kumar Srinivas; Dash, Abhisek; Talukdar, Bitasta; Banerjee, Rintu

doi:10.1002/9781119323686.ch4

Cited by 10 publications

(6 citation statements)

References 98 publications

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“…The lipid-accumulation ability of several members of the Mucorales order makes them valuable candidates in second-generation biodiesel production [141]. This feature, combined with the greater proportion with which chitosan and chitin enter the constitution of the cell wall, opens up the possibility of profitably using their residual biomass.…”

Section: Integrated Bioprocessesmentioning

confidence: 99%

Chitosan Production by Fungi: Current State of Knowledge, Future Opportunities and Constraints

et al. 2022

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Conventionally, the commercial supply of chitin and chitosan relies on shellfish wastes as the extraction sources. However, the fungal sources constitute a valuable option, especially for biomedical and pharmaceutical applications, due to the batch-to-batch unsteady properties of chitin and chitosan from conventional ones. Fungal production of these glycans is not affected by seasonality enables accurate process control and, consequently, more uniform properties of the obtained product. Moreover, liquid and solid production media often are derived from wastes, thus enabling the application of circular economy criteria and improving the process economics. The present review deals with fungal chitosan production processes focusing on waste-oriented and integrated production processes. In doing so, contrary to other reviews that used a genus-specific approach for organizing the available information, the present one bases the discussion on the bioprocess typology. Finally, the main process parameters affecting chitosan production and their interactions are critically discussed.

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Section: Integrated Bioprocessesmentioning

confidence: 99%

Chitosan Production by Fungi: Current State of Knowledge, Future Opportunities and Constraints

et al. 2022

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“…Lignocellulosic biomass (LCB) is composed of cellulose, hemicellulose, and lignin polymers, in which the ratio of the polymer depends on their origin [16]. Biochemical conversion of plant biomass into biofuels and biomaterials includes a pretreatment, via a combination of ozonolysis, alkaline, or acids, before enzymatic hydrolysis of polysaccharides into sugars [17,18].…”

Section: Prerequisites For Biofuel Productionmentioning

confidence: 99%

Energy plants as biofuel source and as accumulators of heavy metals

Nikolić

Tomašević

Ugrinov

2022

Hem Ind

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Fossil fuel depletion and soil and water pollution gave impetus to the development of a novel perspective of sustainable development. In addition to the use of plant biomass for ethanol production, plants can be used to reduce the concentration of heavy metals in soil and water. Due to tolerance to high levels of metals, many plant species, crops, non-crops, medicinal, and pharmaceutical energy plants are well-known metal hyperaccumulators. This paper focuses on studies investigating the potential of Miscanthus sp., Beta vulgaris L., Saccharum sp., Ricinus communis L. Prosopis sp. and Arundo donax L. in heavy metal removal and biofuel production. Phytoremediation employing these plants showed great potential for bioaccumulation of Co, Cr, Cu, Al, Pb, Ni, Fe, Cd, Zn, Hg, Se, etc. This review presents the potential of lignocellulose plants to remove pollutants being a valuable substrate for biofuel production. Also, pretreat-ments, dealing with toxic biomass, and biofuel production are discussed.

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“…Kumar et al (2020e) have presented an exhaustive list of LCBs with their composition as dry weight percentage of lignin, cellulose, and hemicellulose. Biodiesel production from LCBs consists of four important steps such as delignification, saccharification, fermentation with OMs for higher lipid synthesis, and subsequent conversion to transesterification (Zhao et al, 2008;Kumar et al, 2017c).…”

Section: Structural Features Of Lignocellulosics For Biodiesel Productionmentioning

confidence: 99%

“…Similarly, xylan-degrading enzymes include endoxylanases, β-xylosidases, α-glucuronidase, α-arabinofuranosidase, and acetoxylan esterase. Among the endo-β-1,4-xylanase hydrolyses, the β-(1,4) linkages of the xylan give rise to xylooligosaccharides, which will be further hydrolyzed into xylose units by β-xylosidase ( Kumar et al, 2017c ). Synergistic action of cellulases and hemicelluases will promote the conversion rate of holocelluloses into simple sugars.…”

Section: Bioconversion Of Lignocellulosic Biomass To Biodiesel Productionmentioning

confidence: 99%

Biodiesel Production From Lignocellulosic Biomass Using Oleaginous Microbes: Prospects for Integrated Biofuel Production

et al. 2021

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Biodiesel is an eco-friendly, renewable, and potential liquid biofuel mitigating greenhouse gas emissions. Biodiesel has been produced initially from vegetable oils, non-edible oils, and waste oils. However, these feedstocks have several disadvantages such as requirement of land and labor and remain expensive. Similarly, in reference to waste oils, the feedstock content is succinct in supply and unable to meet the demand. Recent studies demonstrated utilization of lignocellulosic substrates for biodiesel production using oleaginous microorganisms. These microbes accumulate higher lipid content under stress conditions, whose lipid composition is similar to vegetable oils. In this paper, feedstocks used for biodiesel production such as vegetable oils, non-edible oils, oleaginous microalgae, fungi, yeast, and bacteria have been illustrated. Thereafter, steps enumerated in biodiesel production from lignocellulosic substrates through pretreatment, saccharification and oleaginous microbe-mediated fermentation, lipid extraction, transesterification, and purification of biodiesel are discussed. Besides, the importance of metabolic engineering in ensuring biofuels and biorefinery and a brief note on integration of liquid biofuels have been included that have significant importance in terms of circular economy aspects.

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Biodiesel Production from Lignocellulosic Biomass Using Oleaginous Microbes

Cited by 10 publications

References 98 publications

Chitosan Production by Fungi: Current State of Knowledge, Future Opportunities and Constraints

Chitosan Production by Fungi: Current State of Knowledge, Future Opportunities and Constraints

Energy plants as biofuel source and as accumulators of heavy metals

Biodiesel Production From Lignocellulosic Biomass Using Oleaginous Microbes: Prospects for Integrated Biofuel Production

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