Production of biofuel ethanol from pretreated seagrass by using Saccharomyces cerevisiae

Ravikumar, S.; Gokulakrishnan, R.; Murugesan, Kanagavel; Thajuddin, Nooruddin

doi:10.17485/ijst/2011/v4i9.8

Cited by 13 publications

(5 citation statements)

References 9 publications

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“…According to several Even though experiments on bioethanol generation from macroalgae were scarce, it was not hard to determine that using marine macroalgae waste for bio-derived fuel feedstock could lead to less rivalry for biofuels among food [221,256]. According to several investigations, the findings of using seagrass biowaste for bioethanol production appeared to be promising in terms of making this a reality [257][258][259]. In an investigation by Mahmoud et al [260], they employed seven samples of beach-cast seagrasses (associated with Z. marina, S. filiforme, Z. noltii, P. australis, T. testudinum, and P. oceanic) gathered from maritime environments worldwide with carbohydrate concentration ranging between 73% and 81% (w/dry weight of biomass).…”

Section: Blue Carbon As a Potential Source For Biofuel Productionmentioning

confidence: 99%

“…According to cumulative statistics, roughly 4 million tons of microbial oils might be created by harvesting just half of the beach-cast seagrass in the world. Besides, Ravikumar et al [257] presented their research on manufacturing bioethanol from seagrass biowastes with the use of Saccharomyces cerevisiae. The greatest bioethanol generation (0.047 mL/g) was observed in fresh seagrass leaves under acid pretreatment.…”

Section: Blue Carbon As a Potential Source For Biofuel Productionmentioning

confidence: 99%

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Importance of Blue Carbon in Mitigating Climate Change and Plastic/Microplastic Pollution and Promoting Circular Economy

Bandh¹,

Malla²,

Qayoom

et al. 2023

Sustainability

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Blue carbon has made significant contributions to climate change adaptation and mitigation while assisting in achieving co-benefits such as aquaculture development and coastal restoration, winning international recognition. Climate change mitigation and co-benefits from blue carbon ecosystems are highlighted in the recent Intergovernmental Panel on Climate Change Special Report on Ocean and Cryosphere in a Changing Climate. Its diverse nature has resulted in unprecedented collaboration across disciplines, with conservationists, academics, and politicians working together to achieve common goals such as climate change mitigation and adaptation, which need proper policy regulations, funding, and multi-prong and multi-dimensional strategies to deal with. An overview of blue carbon habitats such as seagrass beds, mangrove forests, and salt marshes, the critical role of blue carbon ecosystems in mitigating plastic/micro-plastic pollution, as well as the utilization of the above-mentioned blue carbon resources for biofuel production, are critically presented in this research. It also highlights the concerns about blue carbon habitats. Identifying and addressing these issues might help preserve and enhance the ocean’s ability to store carbon and combat climate change and mitigate plastic/micro-plastic pollution. Checking out their role in carbon sequestration and how they act as the major carbon sinks of the world are integral parts of this study. In light of the global frameworks for blue carbon and the inclusion of microalgae in blue carbon, blue carbon ecosystems must be protected and restored as part of carbon stock conservation efforts and the mitigation of plastic/micro-plastic pollution. When compared to the ecosystem services offered by terrestrial ecosystems, the ecosystem services provided by coastal ecosystems, such as the sequestration of carbon, the production of biofuels, and the remediation of pollution, among other things, are enormous. The primary purpose of this research is to bring awareness to the extensive range of beneficial effects that can be traced back to ecosystems found in coastal environments.

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Section: Blue Carbon As a Potential Source For Biofuel Productionmentioning

confidence: 99%

Section: Blue Carbon As a Potential Source For Biofuel Productionmentioning

confidence: 99%

Importance of Blue Carbon in Mitigating Climate Change and Plastic/Microplastic Pollution and Promoting Circular Economy

Bandh¹,

Malla²,

Qayoom

et al. 2023

Sustainability

View full text Add to dashboard Cite

show abstract

“…For example, the ratio of six-and five-carbon sugars is vital for selecting the appropriate fermentation microorganism and the method of bioethanol production. All varieties of macroalgae [126,127] and seagrass [19,21] can potentially undergo fermentation to produce bioethanol by converting their carbohydrates into simple sugars, followed by the use of suitable fermentable microorganisms. The successful fermentation of bioethanol relies on converting carbohydrates (such as starch, cellulose, laminarin, and/or floridean starch) into simple fermentable sugars, with careful selection of the right microorganism to perform the fermentation process.…”

Section: Marine Biomass Conversion Into Bioethanolmentioning

confidence: 99%

“…The processes associated with breaking down sugars from resilient renewable biomass and converting these mixed sugars into ethanol have proven to be intricate and formidable, presenting technical barriers and fundamental constraints that pose significant challenges. In addition, bioethanol production from marine plant biowaste remains relatively unexplored, with limited studies conducted on utilizing seagrass wrack as a potential feedstock for bioethanol production [19][20][21]. This underexplored area of research presents an exciting opportunity to tap into a largely untapped resource, potentially opening new avenues for sustainable and eco-friendly bioethanol production processes.…”

Section: Introductionmentioning

confidence: 99%

Exploring the Prospects of Fermenting/Co-Fermenting Marine Biomass for Enhanced Bioethanol Production

Osman,

Abo-Shady,

Elshobary

et al. 2023

Fermentation

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With the rising demands for renewable fuels, there is growing interest in utilizing abundant and sustainable non-edible biomass as a feedstock for bioethanol production. Macroalgal biomass contains a high content of carbohydrates in the form of special polysaccharides like alginate, agar, and carrageenan that can be converted to fermentable sugars. In addition, using seagrass as a feedstock for bioethanol production can provide a sustainable and renewable energy source while addressing environmental concerns. It is a resource-rich plant that offers several advantages for bioethanol production, including its high cellulose content, rapid growth rates, and abundance in coastal regions. To reduce sugar content and support efficient microbial fermentation, co-fermentation of macroalgae with seagrass (marine biomass) can provide complementary sugars and nutrients to improve process yields and economics. This review comprehensively covers the current status and future potential of fermenting macroalgal biomass and seagrass, as well as possible combinations for maximizing bioethanol production from non-edible energy crops. An overview is provided on the biochemical composition of macroalgae and seagrass, pretreatment methods, hydrolysis, and fermentation processes. Key technical challenges and strategies to achieve balanced co-substrate fermentation are discussed. The feasibility of consolidated bioprocessing to directly convert mixed feedstocks to ethanol is also evaluated. Based on current research, macroalgae-seagrass co-fermentation shows good potential to improve the bioethanol yields, lower the cost, and enable more optimal utilization of diverse marine biomass resources compared to individual substrates.

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“…Materials containing starch, sugar and cellulose can be used as raw materials for ethanol. Seagrass and potato flour contain ethanol (Rani et al 2010;Ravikumar et al 2011). The production of bioethanol has advantages: i) it is renewable; (ii) it does not emit harmful gases such as CO2, SO2, and NO2, into the environment; and (iii) it holds the key economic factor.…”

Section: Introductionmentioning

confidence: 99%

Exploration, screening and identification of indigenous yeast from some palm juices for bioethanol production

et al. 2022

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Abstract. Widyaningrum T, Febrianti N, Prastowo I, Saifuddin MF, Permadi A. 2022. Exploration, screening and identification of indigenous yeast from some palm juices for bioethanol production. Biodiversitas 23: 3984-3990. The major energy sources usually employed are originated mainly from fossil which can run out. Therefore, the creation of ecologically beneficial and long-lasting forms of alternative energy sources, such as bioethanol, is an absolutely necessary. This study aimed to explore, screen and to identify indigenous yeasts from some palm juices for bioethanol production. The isolates were screened in coconut water media for the degree of bioethanol production, the content of reducing sugar based on a DNS method, and the cell number based on optical density (600 nm). Furthermore, identification was performed using ITS and candidates of the highest bioethanol-producing ability including A3A, A11E from Arenga pinnata, K1C1, K1A, K2C from Cocos nucifera L., N3E, N3D, N1A from Nypa fruticans, S1A, and S2D from B. flabellifer L were obtained. The respective bioethanol contents were 13.4%, 12.8%, 13%, 16%, 14.2%, 13.2%, 12%, 12.6%, 14.4%, and 13.35%. The results showed that the isolates of A3A and N3E were similar to those of Pichia deserticola CBS 7119T. Meanwhile, the isolates of K1A and S1A were similar to that of Pichia manshurica CBS 240T and Candida tropicalis ZA 021T.

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Production of biofuel ethanol from pretreated seagrass by using Saccharomyces cerevisiae

Cited by 13 publications

References 9 publications

Importance of Blue Carbon in Mitigating Climate Change and Plastic/Microplastic Pollution and Promoting Circular Economy

Importance of Blue Carbon in Mitigating Climate Change and Plastic/Microplastic Pollution and Promoting Circular Economy

Exploring the Prospects of Fermenting/Co-Fermenting Marine Biomass for Enhanced Bioethanol Production

Exploration, screening and identification of indigenous yeast from some palm juices for bioethanol production

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