Algal biofuels: Technological perspective on cultivation, fuel extraction and engineering genetic pathway for enhancing productivity

Yaashikaa, P.R.; Devi, M. Keerthana; Kumar, P. Senthil

doi:10.1016/j.fuel.2022.123814

Cited by 27 publications

(5 citation statements)

References 180 publications

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“…Additionally, because macroalgae contained more water than terrestrial biomass (ranging between 80 and 85%), they were more suited for microbial conversion instead of thermochemical conversion [230,231]. Indeed, producing biogas from macroalgae was more technically feasible than generating biogas from other fuels because all organic components in macroalgae (such as protein, carbohydrates, and so on) could be transformed into biogas via anaerobic digestion [232,233]. Besides, a low lignocellulose concentration of macroalgae facilitated biodegradation more than that of their relative microalgae to create considerable amounts of biogas [234,235].…”

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

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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%

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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“…Cultivation. An easy and affordable method for algal cultivation is open pond cultivation [117,118]. In an open pond cultivation technique, external nutrients are usually delivered into a water tank or bigger earthen bank ponds.…”

Section: Algae Biomassmentioning

confidence: 99%

An Overview of Algae for Biodiesel Production Using Bibliometric Indicators

Kombe

2023

International Journal of Energy Research

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Algae are a desirable biodiesel feedstock because they take up little space, have a high algal-cell biomass per unit area, and can sustainably meet a large portion of the world’s future energy needs. Using several bibliometric indicators, this study assesses the research productivity of algae for biodiesel production. The dataset was retrieved from the Scopus database using an appropriate keyword search. The VOSviewer v1.6.18 and Biblioshiny in R -studio were then utilised for bibliometric analysis and network visualisation. The study found that, with the first article being published in 1990 and an annual scientific growth rate of 14.76%, research on algae for the generation of biodiesel is still in its early phases. Although the possibility of utilising algae to produce biodiesel was originally mentioned in 1990, it was only until 2006 that several researchers started to show an interest in the subject. 101 articles were published in 2015, which is the most ever. The most prolific countries in terms of publications, ongoing collaborations and cooperation, best publishing institutions, and prestigious journals, as well as the most productive researchers and the most highly referenced works in the field, have all been recognised and presented. Finally, a keyword co-occurrence analysis of the subject was presented and discussed to provide research insights into the field. The bibliometric indicators of the study are intended to aid researchers in finding potential research topics, high-quality scientific literature, and suitable journals for publishing research on algae for biodiesel production.

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“…To scale up these technologies to field conditions and evaluate their environmental-economic viability for large-scale land restoration requires improved isolation and culture techniques. being done to enhance the potential of cyanobacteria for biofuels production and other related industrial applications (Johnson et al, 2016;Yaashikaa et al, 2022). One approach is to produce genetically engineered cyanobacteria strain by inserting a foreign gene or the entire new pathways to produce desired end product.…”

Section: Role Of Cyanobacteria In Land Restorationmentioning

confidence: 99%

“…Several of them have found applications as food supplements, nutraceuticals, and colorants, cosmetics, and medicines. Moreover, biotechnological interventions are also being done to enhance the potential of cyanobacteria for biofuels production and other related industrial applications (Johnson et al, 2016; Yaashikaa et al, 2022). One approach is to produce genetically engineered cyanobacteria strain by inserting a foreign gene or the entire new pathways to produce desired end product.…”

Section: Biotechnological Approaches To Unravel Cyanobacteria‐mediate...mentioning

confidence: 99%

Cyanobacteria as a potential bioasset for restoring degraded land

et al. 2023

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Degradation and pollution of land resources is a severe issue worldwide. Rapid urbanization and increased food demand have necessitated the restoration of degraded and highly contaminated land resources in a sustainable manner. The role of soil microorganism in maintaining nutrient balance, texture, fertility, and soil health is widely acknowledged. Cyanobacteria, one of the major components of soil microbiota, have been explored for their role as biofertilizers in improving plant growth and increasing soil fertility; however, less attention has been paid to their potential in restoring degraded lands. Cyanobacteria aids in nutrient cycling, production of plant growth‐promoting substances, desalination, and degradation of diverse organic as well as inorganic contaminants. They use diverse mechanisms for bioremediation (such as biosorption, bioaccumulation, and biotransformation) of contaminants in addition to the specific mechanism employed. They occur in symbiotic relationships with various hosts in natural as well as anthropogenically disturbed environments. Therefore, their use in restoration of highly degraded lands is justified and needs to be recognized worldwide. Identifying and exploring cyanobacterial species thriving in stress conditions and multiomics approaches would help in reconnoitering the complex plant–soil‐cyanobacteria interactions and enable scientists to design robust and well‐integrated biotechnological tools for soil remediation. Nevertheless, several technical challenges need to be addressed for rendering cyanobacteria as a realistic and viable bioasset. In this article, we summarize the role of cyanobacteria in addressing the reclamation of various types of degraded and polluted soils. And, it also examines the remaining knowledge gaps that limit its applicability in diverse environmental settings in a sustainable manner.

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Algal biofuels: Technological perspective on cultivation, fuel extraction and engineering genetic pathway for enhancing productivity

Cited by 27 publications

References 180 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

An Overview of Algae for Biodiesel Production Using Bibliometric Indicators

Cyanobacteria as a potential bioasset for restoring degraded land

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