Conceptual Basis and Techno-Economic Modeling for Integrated Algal Biorefinery Conversion of Microalgae to Fuels and Products. 2019 NREL TEA Update: Highlighting Paths to Future Cost Goals via a New Pathway for Combined Algal Processing

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Book Synopsis Conceptual Basis and Techno-Economic Modeling for Integrated Algal Biorefinery Conversion of Microalgae to Fuels and Products. 2019 NREL TEA Update: Highlighting Paths to Future Cost Goals via a New Pathway for Combined Algal Processing by :

Download or read book Conceptual Basis and Techno-Economic Modeling for Integrated Algal Biorefinery Conversion of Microalgae to Fuels and Products. 2019 NREL TEA Update: Highlighting Paths to Future Cost Goals via a New Pathway for Combined Algal Processing written by and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The report documents the conceptual basis for a new potential Combined Algal Processing design strategy which may allow more flexibility in accommodating different algal biomass feedstock compositions, by enabling upgrading of both protein and carbohydrates in a single step, without a strict requirement for either component to be in soluble or monomeric form, while maintaining effective wet lipid extraction techniques to enable high lipid recoveries. In light of previously-established constraints around algal biomass costs (which are significantly higher than lignocellulosic terrestrial biomass), the present CAP processing strategy reflects an integrated biorefinery concept producing both fuels and value-added chemical coproducts as a means to improve profitability and generate coproduct revenues to help drive down the minimum fuel selling price (MFSP) towards economically viable levels. Namely, this report highlights an integrated CAP biorefinery process and associated technical targets that would be required to achieve U.S. Department of Energy target MFSP goals of $2.5/gallon gasoline equivalent by 2030. This is accomplished by a process involving low-cost seasonal storage of algal biomass during high-growth seasons, rapid flash hydrolysis pretreatment of the biomass, solvent extraction of pretreated biomass, cleanup and fractionation of lipids into triglyceride and free fatty acid fractions, and a series of thermochemical conversion steps to upgrade carbohydrates and protein to hydrocarbon fuels. These steps include mild oxidative treatment (MOT), a process originally investigated at NREL for upgrading lignin, followed by catalytic ketonization and hydrotreating of MOT products to fuels. Isolated triglycerides are sent to a coproduct train, with the base case focused on upgrading to polyurethane foams as a high-value, high-market-volume coproduct.

Microalgae-Based Systems

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Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 3110781360
Total Pages : 514 pages
Book Rating : 4.1/5 (17 download)

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Book Synopsis Microalgae-Based Systems by : Eduardo Jacob-Lopes

Download or read book Microalgae-Based Systems written by Eduardo Jacob-Lopes and published by Walter de Gruyter GmbH & Co KG. This book was released on 2023-10-02 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt:

BETO 2021 Peer Review - Algal Biofuels Techno-Economic Analysis 1.3.5.200

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Book Synopsis BETO 2021 Peer Review - Algal Biofuels Techno-Economic Analysis 1.3.5.200 by :

Download or read book BETO 2021 Peer Review - Algal Biofuels Techno-Economic Analysis 1.3.5.200 written by and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of NREL's Algal Biofuel Techno-Economic Analysis (TEA) project is to provide process modeling and analysis to support Algae Program activities, utilizing TEA models to relate key process parameters with overall economics for cultivation, processing, and conversion of algal biomass to fuels and coproducts. By quantifying economic implications of key process metrics, TEA models highlight the technical requirements to achieve future program cost goals as well as enabling a means to track progress towards these goals. This project provides high impact and relevance though generation of critical cost data tied to funded research, with our analyses subsequently exercised by BETO to guide program plans, FOA priorities, and other directives. This includes costs for both algal biomass production and downstream conversion, most notably to support BETO's fuel cost targets below $2.5/GGE by 2030. To mitigate a key risk/challenge in constraining our work to academic analyses rooted only in future projections, our work also seeks to provide near-term value to today's algae industry through frequent industry engagement, while maintaining close ties with other BETO collaborators. This project has made numerous accomplishments since the 2019 peer review, including a continued focus on opportunities for value-added products, with related analyses for new pathway opportunities to achieve BETO cost goals and notable State-of-Technology (SOT) improvements over prior cost benchmarks.

Algal Biomass Conversion to Fuels via Combined Algae Processing (CAP): 2021 State of Technology and Future Research

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Book Synopsis Algal Biomass Conversion to Fuels via Combined Algae Processing (CAP): 2021 State of Technology and Future Research by :

Download or read book Algal Biomass Conversion to Fuels via Combined Algae Processing (CAP): 2021 State of Technology and Future Research written by and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The annual State of Technology (SOT) assessment is an essential activity for platform research conducted under the Bioenergy Technologies Office. It allows for the impact of research progress to be quantified in terms of economic improvements in the overall biofuel production process for a particular biomass processing pathway, whether based on terrestrial or algal biomass feedstocks. As such, initial benchmarks can be established for currently demonstrated performance, and progress can be tracked towards out-year goals to ultimately demonstrate economically viable biofuel technologies. NREL's algae state of technology benchmarking efforts focus both on front-end algal biomass production and separately on back-end conversion to fuels through NREL's "combined algae processing" (CAP) pathway. The production model is based on outdoor long-term cultivation data, enabled by comprehensive algal biomass production trials conducted under the Development of Integrated Screening, Cultivar Optimization, and Verification Research consortium (DISCOVR) efforts, driven by data furnished by Arizona State University (ASU) at the Arizona Center for Algae Technology and Innovation (AzCATI) testbed site. The CAP model is based on experimental efforts conducted under NREL research and development projects. This report focuses on back-end conversion of algal biomass through the CAP pathway, highlighting the 2021 updates to minimum fuel selling price (MFSP). This update maintains an important recent inclusion of polyurethane (PU) previously incorporated in the 2020 SOT as a value-added coproduct. Relative to the 2020 SOT case, this indicates a minimal increase of $0.10-$0.14/GGE (roughly 2%) for both the acids and BDO pathways, attributed to minimal increases in upstream algal biomass costs from slightly lower demonstrated cultivation productivities in the 2021 SOT.

Algal Biomass Conversion to Fuels via Combined Algae Processing (CAP): 2022 State of Technology and Future Research

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ISBN 13 :
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Book Synopsis Algal Biomass Conversion to Fuels via Combined Algae Processing (CAP): 2022 State of Technology and Future Research by :

Download or read book Algal Biomass Conversion to Fuels via Combined Algae Processing (CAP): 2022 State of Technology and Future Research written by and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The annual State of Technology (SOT) assessment is an essential activity for platform research conducted under the Bioenergy Technologies Office (BETO). It allows for the impact of research progress (both directly achieved in-house at NREL and furnished by partner organizations) to be quantified in terms of economic improvements in the overall biofuel production process for a particular biomass processing pathway, whether based on terrestrial or algal biomass feedstocks. As such, initial benchmarks can be established for currently demonstrated performance, and progress can be tracked toward out-year goals to ultimately demonstrate economically viable biofuel technologies. NREL's algae SOT benchmarking efforts focus both on front-end algal biomass production and separately on back-end conversion to fuels through NREL's "combined algae processing" (CAP) pathway. The production model is based on outdoor long-term cultivation data, enabled by comprehensive algal biomass production trials conducted under Development of Integrated Screening, Cultivar Optimization, and Verification Research (DISCOVR) consortium efforts and driven by data furnished by Arizona State University's (ASU's) Arizona Center for Algae Technology and Innovation (AzCATI) test bed site. The CAP model is primarily based on experimental efforts conducted under NREL research and development projects, with some process parameters provided by partner organizations. Assumptions regarding the wet storage of algae use data provided by Idaho National Laboratory (INL), while parts of the polyurethane production process leverage BETO-funded research from collaborators at Algenesis and the University of California, San Diego (UCSD). This report focuses on back-end conversion of algal biomass through the CAP pathway, highlighting the 2022 updates to minimum fuel selling price (MFSP). This update incorporates improvements to fermentation performance for two biological pathways through carboxylic acid and 2,3-butanediol (BDO) intermediates, as demonstrated through parallel research on the biochemical conversion of corn stover. Improvements are applied to the glucose fraction of the biomass only, while parameters regarding the conversion of the mannose fraction (not a significant component in corn stover) are maintained consistently with prior CAP SOTs. Additional parameters are also updated to reflect the most current understanding of each pathway, including an increase in the catalyst loading requirement in the ketonization step of the acids pathway and a decrease in the fermentation productivity in the BDO pathway. Additionally, the biomass feedstock costs (minimum biomass selling price [MBSP]), yields, and seasonal variability from the upstream cultivation SOT model were also incorporated into downstream Aspen Plus CAP models.

Algal Biorefinery

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Publisher : Routledge
ISBN 13 : 1000410781
Total Pages : 347 pages
Book Rating : 4.0/5 (4 download)

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Book Synopsis Algal Biorefinery by : Ajay K. Dalai

Download or read book Algal Biorefinery written by Ajay K. Dalai and published by Routledge. This book was released on 2021-07-07 with total page 347 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book enables readers to understand the theoretical aspects, key steps and scientific techniques with a detailed mechanism to produce biofuels from algae. Each chapter provides the latest developments and recent advancements starting from algal cultivation techniques to the production of value-added green fuels, chemicals and products with wide applications. The volume brings together a broad range of international and interdisciplinary experts, including chemical and biological engineers, biotechnologists, process engineers, environmentalists, pharmacists and nutritionists, to one platform to explore the beneficial aspects and challenges for an algal-based biorefinery. Chapters address cutting-edge issues surrounding algal cultivation, including genetic modification of algal strains, design and optimization of photobioreactors and open-pond systems, algal oil extraction techniques and algal-derived fuel products (biodiesel, bio-gasoline, jet fuels and bio-oil). Finally, the book considers the potential environmental impacts for establishing a sustainable algal biorefinery through lifecycle analysis, techno-economic assessment and supply chain management. This book will be an important resource for students, academics and professionals interested in algal cultivation, biofuels and agricultural engineering, and renewable energy and sustainable development more broadly.

Algal Biomass Conversion to Fuels Via Combined Algae Processing (CAP)

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ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.:/5 (126 download)

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Book Synopsis Algal Biomass Conversion to Fuels Via Combined Algae Processing (CAP) by : Matthew Wiatrowski

Download or read book Algal Biomass Conversion to Fuels Via Combined Algae Processing (CAP) written by Matthew Wiatrowski and published by . This book was released on 2021 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Algal Biorefineries

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Publisher : Springer
ISBN 13 : 3319202006
Total Pages : 555 pages
Book Rating : 4.3/5 (192 download)

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Book Synopsis Algal Biorefineries by : Aleš Prokop

Download or read book Algal Biorefineries written by Aleš Prokop and published by Springer. This book was released on 2015-10-19 with total page 555 pages. Available in PDF, EPUB and Kindle. Book excerpt: Algae offer potential to produce renewable chemicals and fuels using solar energy and carbon dioxide from atmosphere or in flue gases while simultaneously reducing the generation of greenhouse gases. Since these can be grown on marginal lands with micronutrients and macronutrients often present in waste streams, algae-based chemicals and fuels do not compete with foods. Still large-scale production of algae-based fuels and chemicals faces considerable technological and economical challenges and it would by necessity require a biorefinery approach wherein all the possible algal components are converted into value-added compounds. The present series on algal biorefineries represents a forum for reporting the state of the art of different technologies as well as the latest advances in this field. The volume II of this series complements the volume I in terms of the current state of the art. Different chapters in this volume address diverse issues ranging from genetically modifies algae to new products to life-cycle analysis of algal products.

Fuels from Microalgae

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Publisher :
ISBN 13 :
Total Pages : 190 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Fuels from Microalgae by : Bernie Neenan

Download or read book Fuels from Microalgae written by Bernie Neenan and published by . This book was released on 1986 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Energy from Microalgae

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Publisher : Springer
ISBN 13 : 3319690930
Total Pages : 313 pages
Book Rating : 4.3/5 (196 download)

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Book Synopsis Energy from Microalgae by : Eduardo Jacob-Lopes

Download or read book Energy from Microalgae written by Eduardo Jacob-Lopes and published by Springer. This book was released on 2018-02-19 with total page 313 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents an authoritative and comprehensive overview of the production and use of microalgal biomass and bioproducts for energy generation. It also offers extensive information on engineering approaches to energy production, such as process integration and process intensification in harnessing energy from microalgae. Issues related to the environment, food, chemicals and energy supply pose serious threats to nations’ success and stability. The challenge to provide for a rapidly growing global population has made it imperative to find new technological routes to increase the production of consumables while also bearing in mind the biosphere’s ability to regenerate resources. Microbial biomass is a bioresource that provides effective solutions to these challenges. Divided into eight parts, the book explores microalgal production systems, life cycle assessment and the bio-economy of biofuels from microalgae, process integration and process intensification applied to microalgal biofuels production. In addition, it discusses the main fuel products obtained from microalgae, summarizing a range of useful energy products derived from algae-based systems, and outlines future developments. Given the book’s breadth of coverage and extensive bibliography, it offers an essential resource for researchers and industry professionals working in renewable energy.

Algal Biorefineries and the Circular Bioeconomy

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Publisher : CRC Press
ISBN 13 : 100056276X
Total Pages : 312 pages
Book Rating : 4.0/5 (5 download)

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Book Synopsis Algal Biorefineries and the Circular Bioeconomy by : OBULISAMY PARTHIBA KARTHIKEYAN

Download or read book Algal Biorefineries and the Circular Bioeconomy written by OBULISAMY PARTHIBA KARTHIKEYAN and published by CRC Press. This book was released on 2022-04-19 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Algae are mysterious and fascinating organisms that hold great potential for discovery and biotechnology." —Dr. Thierry Tonon, Department of Biology, University of York "Science is a beautiful gift to humanity; we should not distort it." —A.P.J. Abdul Kalam In this book, we emphasise the importance of algal biotechnology as a sustainable platform to replace the conventional fossil-based economy. With this focus, Volume 2 summarizes up-to-date literature knowledge and discusses the advances in algal cultivation, genetic improvement, wastewater treatment, resource recovery, commercial operation, and technoeconomic analysis of algal biotechnology. FEATURES Discusses in detail recent developments in algae cultivation and biomass harvesting Provides an overview of genetic engineering and algal-bacteria consortia to improve productivity Presents applications of algae in the area of wastewater treatment and resource recovery Provides case studies and technoeconomic analysis to understand the algal biorefinery Shashi Kant Bhatia, PhD, is an Associate Professor in the Department of Biological Engineering, Konkuk University, Seoul, South Korea. Sanjeet Mehariya, PhD, is a Postdoctoral Researcher in the Department of Chemistry, Umeå University, Umeå, Sweden. Obulisamy Parthiba Karthikeyan, PhD, is a Research Scientist and Lecturer (Adjunct) in the Department of Civil and Environmental Engineering, South Dakota School of Mines and Technology, Rapid City, South Dakota, USA.

Algal Biorefinery: An Integrated Approach

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Publisher : Springer
ISBN 13 : 9783319228129
Total Pages : 0 pages
Book Rating : 4.2/5 (281 download)

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Book Synopsis Algal Biorefinery: An Integrated Approach by : Debabrata Das

Download or read book Algal Biorefinery: An Integrated Approach written by Debabrata Das and published by Springer. This book was released on 2015-12-08 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book critically discusses different aspects of algal production systems and several of the drawbacks related to microalgal biomass production, namely, low biomass yield, and energy-consuming harvesting, dewatering, drying and extraction processes. These provide a background to the state-of-the-art technologies for algal cultivation, CO2 sequestration, and large-scale application of these systems. In order to tap the commercial potential of algae, a biorefinery concept has been proposed that could help to extract maximum benefits from algal biomass. This refinery concept promotes the harvesting of multiple products from the feedstock so as to make the process economically attractive. For the last few decades, algal biomass has been explored for use in various products such as fuel, agricultural crops, pigments and pharmaceuticals, as well as in bioremediation. To meet the huge demand, there has been a focus on large-scale production of algal biomass in closed or open photobioreactors. Different nutritional conditions for algal growth have been explored, such as photoautotrophic, heterotrophic, mixotrophic and oleaginous. This book is aimed at a wide audience, including undergraduates, postgraduates, academics, energy researchers, scientists in industry, energy specialists, policy makers and others who wish to understand algal biorefineries and also keep abreast of the latest developments.

Biomass and Biofuels from Microalgae

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Publisher : Springer
ISBN 13 : 3319166409
Total Pages : 373 pages
Book Rating : 4.3/5 (191 download)

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Book Synopsis Biomass and Biofuels from Microalgae by : Navid R. Moheimani

Download or read book Biomass and Biofuels from Microalgae written by Navid R. Moheimani and published by Springer. This book was released on 2015-04-11 with total page 373 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive book details the most recent advances in the microalgae biological sciences and engineering technologies for biomass and biofuel production in order to meet the ongoing need for new and affordable sources of food, chemicals and energy for future generations. The chapters explore new microalgae cultivation techniques, including solid (biofilm) systems, and heterotrophic production methods, while also critically investigating topics such as combining wastewater as a source of nutrients, the effect of CO2 on growth, and converting biomass to methane through anaerobic digestion. The book highlights innovative bioproduct optimization and molecular genetic techniques, applications of genomics and metabolomics, and the genetic engineering of microalgae strains targeting biocrude production. The latest developments in microalgae harvesting and dewatering technologies, which combine biomass production with electricity generation, are presented, along with detailed techno-economic modeling. This extensive volume was written by respected experts in their fields and is intended for a wide audience of researchers and engineers.

Process Design and Economics for the Conversion of Lignocellulosic Biomass to Hydrocarbon Fuels and Coproducts: 2018 Biochemical Design Case Update; Biochemical Deconstruction and Conversion of Biomass to Fuels and Products via Integrated Biorefinery Pathways

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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (14 download)

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Book Synopsis Process Design and Economics for the Conversion of Lignocellulosic Biomass to Hydrocarbon Fuels and Coproducts: 2018 Biochemical Design Case Update; Biochemical Deconstruction and Conversion of Biomass to Fuels and Products via Integrated Biorefinery Pathways by :

Download or read book Process Design and Economics for the Conversion of Lignocellulosic Biomass to Hydrocarbon Fuels and Coproducts: 2018 Biochemical Design Case Update; Biochemical Deconstruction and Conversion of Biomass to Fuels and Products via Integrated Biorefinery Pathways written by and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past decade, NREL conducted a campaign to quantify the economic implications associated with observed and future targeted performance for the biochemical conversion of corn stover to ethanol through techno-economic modeling. This report serves as an update to the biological sugar conversion approach, reflecting modifications to underlying conversion operational strategies, as well as refinements to the techno-economic model details. In addition, the report includes a more quantitative focus on envisioned processing requirements for achieving final fuel cost goals moving further into the future, via inclusion of value-added coproducts.

Microalgae as a Feedstock for Biofuels

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Publisher : Springer Science & Business Media
ISBN 13 : 3642179975
Total Pages : 74 pages
Book Rating : 4.6/5 (421 download)

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Book Synopsis Microalgae as a Feedstock for Biofuels by : Luisa Gouveia

Download or read book Microalgae as a Feedstock for Biofuels written by Luisa Gouveia and published by Springer Science & Business Media. This book was released on 2011-01-30 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Brief provides a concise review of the potential use of microalgae for biofuel production. The following topics are highlighted: the advantages of microalgae over conventional biofuel-producing crops; technological processes for energy production using microalgae; microalgal biomass production systems, production rates and costs; algae cultivation strategies and main culture parameters; biomass harvesting technologies and cell disruption; CO2 sequestration; life cycle analysis; and algal biorefinery strategies. The conclusions section discusses the contribution of the technologies described to environmental sustainability and future prospects.

Combined Algal Processing

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ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (965 download)

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Book Synopsis Combined Algal Processing by :

Download or read book Combined Algal Processing written by and published by . This book was released on 2016 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: Here, the development of an integrated biorefinery process capable of producing multiple products is crucial for commercialization of microalgal biofuel production. Dilute acid pretreatment has been demonstrated as an efficient approach to utilize algal biomass more fully, by hydrolyzing microalgal carbohydrates into fermentable sugars, while making the lipids more extractable, and a protein fraction available for other products. Previously, we have shown that sugar-rich liquor could be separated from solid residue by solid-liquid separation (SLS) to produce ethanol via fermentation. However, process modeling has revealed that approximately 37% of the soluble sugars were lost in the solid cake after the SLS. Herein, a Combined Algal Processing (CAP) approach with a simplified configuration has been developed to improve the total energy yield. In CAP, whole algal slurry after acid pretreatment is directly used for ethanol fermentation. The ethanol and microalgal lipids can be sequentially recovered from the fermentation broth by thermal treatment and solvent extraction. Almost all the monomeric fermentable sugars can be utilized for ethanol production without compromising the lipid recovery. The techno-economic analysis (TEA) indicates that the CAP can reduce microalgal biofuel cost by $0.95 per gallon gasoline equivalent (GGE), which is a 9% reduction compared to the previous biorefinery scenario.

Handbook of Algal Biofuels

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Publisher : Elsevier
ISBN 13 : 0128241810
Total Pages : 700 pages
Book Rating : 4.1/5 (282 download)

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Book Synopsis Handbook of Algal Biofuels by : Mostafa El-Sheekh

Download or read book Handbook of Algal Biofuels written by Mostafa El-Sheekh and published by Elsevier. This book was released on 2021-12-02 with total page 700 pages. Available in PDF, EPUB and Kindle. Book excerpt: Handbook of Algal Biofuels: Aspects of Cultivation, Conversion and Biorefinery comprehensively covers the cultivation, harvesting, conversion, and utilization of microalgae and seaweeds for different kinds of biofuels. The book addresses four main topics in the algal biofuel value-chain. First, it explores algal diversity and composition, covering micro- and macroalgal diversity, classification, and composition, their cultivation, biotechnological applications, current use within industry for biofuels and value-added products, and their application in CO2 sequestration, wastewater treatment, and water desalination. Next, the book addresses algal biofuel production, presenting detailed guidelines and protocols for different production routes of biodiesel, biogas, bioethanol, biobutanol, biohydrogen, jet fuel, and thermochemical conversation methods. Then, the authors discuss integrated approaches for enhanced biofuel production. This includes updates on the recent advances, breakthroughs, and challenges of algal biomass utilization as a feedstock for alternative biofuels, process intensification techniques, life cycle analysis, and integrated approaches such as wastewater treatment with CO2 sequestration using cost-effective and eco-friendly techniques. In addition, different routes for waste recycling for enhanced biofuel production are discussed alongside economic analyses. Finally, this book presents case studies for algal biomass and biofuel production including BIQ algae house, Renewable Energy Laboratory project, Aquatic Species Program, and the current status of algal industry for biofuel production. Handbook of Algal Biofuels offers an all-in-one resource for researchers, graduate students, and industry professionals working in the areas of biofuels and phycology and will be of interest to engineers working in renewable energy, bioenergy, alternative fuels, biotechnology, and chemical engineering. Furthermore, this book includes structured foundational content on algae and algal biofuels for undergraduate and graduate students working in biology and life sciences. - Provides complete coverage of the biofuel production process, from cultivation to biorefinery - Includes a detailed discussion of process intensification, lifecycle analysis and biofuel byproducts - Describes key aspects of algal diversity and composition, including their cultivation, harvesting and advantages over conventional biomass