Algal Biomass Production via Open Pond Algae Farm Cultivation: 2019 State of Technology and Future Research PDF Download
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Languages : en
Pages : 0
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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 Development of Integrated Screening, Cultivar Optimization, and Verification Research (DISCOVR) consortium 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 R&D projects. This report focuses on front-end algal biomass production, documenting the pertinent algal biomass cultivation parameters that were input to the NREL open pond algae farm model and reports on key process sustainability indicators for the biomass production stage including annual biomass yields, facility power demand, and water consumption.
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Languages : en
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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 Development of Integrated Screening, Cultivar Optimization, and Verification Research (DISCOVR) consortium 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 R&D projects. This report focuses on front-end algal biomass production, documenting the pertinent algal biomass cultivation parameters that were input to the NREL open pond algae farm model and reports on key process sustainability indicators for the biomass production stage including annual biomass yields, facility power demand, and water consumption.
Author: Ryan Davis
Publisher:
ISBN:
Category : Algae products
Languages : en
Pages : 24
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Languages : en
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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 Development of Integrated Screening, Cultivar Optimization, and Verification Research (DISCOVR) consortium 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 front-end algal biomass production, documenting the pertinent algal biomass cultivation parameters that were input to the NREL open pond algae farm model based on the latest DISCOVR cultivation performance data. Relative to the fiscal year (FY) 2020 SOT at $683/ton or $603/ton for ASU and FA evaporation scenarios, respectively (unlined pond basis), the FY 2021 SOT represents a slight increase in MBSP of 1%-2%. This is primarily attributed to a slight 4% reduction in annual cultivation productivity achieved at the AzCATI site (supported by the efforts under the DISCOVR consortium noted above) observed during FY 2021 cultivation campaigns.
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Languages : en
Pages : 0
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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 the National Renewable Energy Laboratory [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 the Development of Integrated Screening, Cultivar Optimization, and Verification Research (DISCOVR) consortium 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 primarily under NREL research and development projects. This report focuses on front-end algal biomass production, documenting the pertinent algal biomass cultivation parameters that were input to the NREL open pond algae farm model. Through partnerships under DISCOVR, collaborators at ASU furnished details on cultivation performance metrics including biomass productivity and harvest densities for recent growth trials done at the AzCATI site. The resulting biomass productivity was calculated at 18.5 g/m2/day (ash-free dry weight [AFDW], annual average) for seasonal cultivation of Picochlorum celeri, Tetraselmis striata LANL1001, and Monoraphidium minutum 26B-AM biomass strains at the ASU site. Picochlorum celeri achieved the best productivity from May to September, with Monoraphidium minutum 26B-AM being used in October, November, March, and April, and Tetraselmis striata employed during winter months (December through February). Beyond the standard SOT models, in Appendix C of this report we also present an industry case study evaluating several scenarios reflective of outdoor cultivation data furnished by an industry collaborator. This case study provides a supplementary datapoint on work being performed elsewhere achieving comparable cultivation productivity with more favorable compositional quality, producing biomass enriched in lipids as may be more optimal for conversion upgrading to fuels and products.
Author: Rafael Luque
Publisher: Woodhead Publishing
ISBN: 0323915213
Category : Science
Languages : en
Pages : 618
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Book Description
Handbook of Biofuels Production: Processes and Technologies, Third Edition provides a comprehensive and systematic reference on a range of biomass conversion processes and technologies. In response to the global increase in the use of biofuels as substitute transportation fuels, advanced chemical, biochemical and thermochemical biofuels production routes are quickly being developed. Substantial additions for this new edition include increased coverage of emerging feedstocks, including microalgae, more emphasis on by-product valorization for biofuels' production, additional chapters on emerging biofuel production methods, and co-production of biofuels and bioproducts. The book's editorial team is strengthened by the addition of an extra member, and a number of new contributors have been invited to work with authors from the first and second edition to revise existing chapters, with each offering fresh perspectives. This book is an essential reference for professional engineers in the biofuel industry as well as researchers in academia, from post-graduate level and up. - Provides systematic and detailed coverage of the processes and technologies being used in the production of first, second and third generation biofuels - Evaluates the latest advanced chemical, biochemical and thermochemical technologies, processes and production routes - Takes an integrated biorefinery approach, guiding readers through the production of biofuels and their co-products in integrated biorefineries - Includes videos of industrial production facilities and equipment, showing how complex processes and reaction apparatus work in a lab and industry setting
Author: Tonni Agustiono Kurniawan
Publisher: Springer Nature
ISBN: 981972371X
Category :
Languages : en
Pages : 919
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Author: Ozcan Konur
Publisher: CRC Press
ISBN: 1351230689
Category : Technology & Engineering
Languages : en
Pages : 442
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Book Description
This book aims to inform readers about the recent developments in bioenergy and biofuels covering current issues from an interdisciplinary approach. It will also feature coverage of anticipated future trends related to each particular biofuel. Chapters will consist of original research presented by world class experts in their respective fields. A number of interdisciplinary areas will be incorporated such as Energy & Fuels, Biotechology, Genomics, Economics, Optimization, Chemical Engineering, Mechanical Engineering and Algae Science. Examples will relate to a matrix of biofuel and energy types such as bioethanol, biobutanol, and biomethane.
Author: Stephen P. Slocombe
Publisher: CRC Press
ISBN: 1315356236
Category : Nature
Languages : en
Pages : 391
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Book Description
Microalgae are a particularly interesting source of products that range from currently marketed human nutritionals and food ingredients, to potential sources of biofuels and animal feeds. Rapid advances in technology and commercial development are taking place worldwide. Importantly, algal cultivation does not compete with agriculture for land, water, and in some cases, fertilizer resources. Microalgal Production for Biomass and High-Value Products covers the field from a variety of perspectives with 14 chapters contributed by recognized academic experts and industrial practitioners. The book presents the latest technologies and innovations in algal biomass production, from cultivation in open ponds and photobioreactors, to strain selection, synthetic biology, pest control, harvesting, and processing. It explores novel algal products and addresses key issues, including markets, supply chains, business strategies, legal issues, current products, and future prospects. This book brings together the latest advances of interest to those already working in the field while providing an introduction to those beginning to learn about the promise of microalgae as a sustainable source of both specialty and commodity products. It gives stimulating overviews from many different perspectives that describe how laboratory and applied research are creating advances in commercial microalgae production. It also addresses the still many open questions and challenges in this field.
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Category :
Languages : en
Pages : 0
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In this assessment, we have evaluated target minimum biomass selling prices (MBSPs) of algae biomass production for four photobioreactor (PBR) designs compared to a previous open pond target case. We utilized techno-economic assessment modeling to determine if the target PBR cases can compete with open ponds for low-cost commodity fuels in an 'nth-plant' scenario. In the process, algal biomass is produced in one of the five cultivation options, including: open ponds, horizontal tubes, helical tubes, and two vertical bag/panel designs termed 'GWP-II flat panels' and 'Leidos hanging bags.' The projected target cultivation productivity for each PBR design was estimated based on the most credible literature data presenting PBR and pond cultivation on a directly comparable basis, and then extrapolating out to the future. Resulting productivities on an aerial basis were estimated to range from 25 g/m2/day to 52.5 g/m2/day (cultivation area). CO2, nutrients, and algae inoculum are supplied to the production area. After cultivation, the biomass is dewatered to 20 wt% solids in three stages including in-ground gravity settling, membrane filtration, and centrifugation. CO2 piping, water piping, and storage are also included in the analysis. Based on our recently published 'algae farm' design report, the open pond cultivation benchmark was set at an MBSP of $494/ton ash-free dry weight (AFDW). The horizontal tubes are large volume reactors with productivity similar to that of open ponds, but result in an MBSP of $708/ton AFDW. The helical tubes are made from glass and have a high capital investment resulting in a MBSP of $1,737/ton AFDW. The GWP-II PBR is a vertical flexible plastic flat-panel system with an estimated MBSP of $1,793/ton AFDW. Finally, the Leidos hanging bag system, which derives cultivation cost values based on inputs furnished by Algenol, results in an estimated MBSP of $639/ton AFDW.
Author: Rakesh Bajpai
Publisher: Springer Science & Business Media
ISBN: 940077494X
Category : Medical
Languages : en
Pages : 331
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Book Description
This book reviews efforts to produce chemicals and fuels from forest and plant products, agricultural residues and more. Algae can potentially capture solar energy and atmospheric CO2; the book details needed research and legislative initiatives.
