Techno‐Economic Assessment of a Microalgae Biorefinery

Guo, Bingfeng; Hornung, Ursel; Zhang, Shicheng; Dahmen, Nicolaus

doi:10.1002/cite.202200007

Chemie Ingenieur Technik

2022

DOI: 10.1002/cite.202200007

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Techno‐Economic Assessment of a Microalgae Biorefinery

Bingfeng Guo

Ursel Hornung

Shicheng Zhang

et al.

Abstract: A preliminary techno‐economic assessment of a microalgae biorefinery plant is reported, with pulsed electric field treatment (PEF) hydrothermal liquefaction as core technology. The results indicate that standalone production of microalgae biofuel would lead to an annual loss of 2.615 M€. PEF treatment could improve this scenario by bringing the microalgae biofuel to a competitive level (0.78 € kg−1). Assuming that microalgae biofuel would be sold at the price of crude oil (0.44 € kg−1), the minimum price of th… Show more

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Cited by 2 publications

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Synthetic biology‐enhanced microalgae for biofuel production: a perspective

Makepa,

Chihobo

2024

Biofuels Bioprod Bioref

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The development of microalgae‐based biofuels has emerged as a promising solution to address the pressing global challenges of climate change, resource scarcity, and the need for renewable energy sources. Microalgae possess unique capabilities that make them an attractive feedstock for biofuel production, including their ability to capture and sequester carbon dioxide, their efficient use of water and land resources, and the potential for them to utilize waste streams as nutrient sources. This paper provides a comprehensive overview of the environmental and economic implications of microalgae‐derived fuels, highlighting the key benefits and remaining challenges. The integration of synthetic biology to enhance microalgae strains, optimize cultivation and processing, and diversify revenue streams is explored as a means to address the economic barriers to large‐scale commercialization. As research and development in this field continue to progress, the future prospects of microalgae‐based biofuels are discussed, underscoring their potential to reshape the global energy landscape towards a more sustainable and economically viable future.

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Synthetic biology‐enhanced microalgae for biofuel production: a perspective

Makepa,

Chihobo

2024

Biofuels Bioprod Bioref

View full text Add to dashboard Cite

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A Techno-Economic Appraisal of Green Diesel Generation through Hydrothermal Liquefaction, Leveraging Residual Resources from Seaweed and Fishing Sectors

Rosales-Asensio,

Segredo-Morales,

Gómez-Marín

et al. 2023

Water

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This study examines the economic viability of an emerging technology for potential upscaling and commercialization in a specific location: the village of New Stuyahok, Alaska. The proposed technology is hydrothermal liquefaction, which utilizes kelp macroalgae and fishing waste as feedstock. These materials were chosen due to their easy availability in the village and their alignment with the local economy. The economic evaluation is based on the net present value (NPV) and sensitivity models. Different feedstock ratios (on a dry basis), such as 100:0, 50:50, and 30:70 of kelp and fishing waste, respectively, were evaluated to determine the optimal combination. The results indicated that the process is economically viable only when a high proportion of fishing waste is used. This can be ascribed to the constrained output yield of the kelp biomass and the relatively negligible influence exerted by alginate production on the NPV. However, the ratio 50:50 appears to be economically promising if the costs can be reduced by at least 13.5% or the benefits can be increased by 12.1%. Nevertheless, government support could play a crucial role in expediting the implementation of this technology once it becomes market-ready. This means being practical, scalable, and economically viable, enabling reduced investments or increased benefits that signify its readiness. Utilizing such a tool offers valuable insights into the framework of the proposed technology and the use of local natural resources.

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Techno‐Economic Assessment of a Microalgae Biorefinery

Cited by 2 publications

References 6 publications

Synthetic biology‐enhanced microalgae for biofuel production: a perspective

Synthetic biology‐enhanced microalgae for biofuel production: a perspective

A Techno-Economic Appraisal of Green Diesel Generation through Hydrothermal Liquefaction, Leveraging Residual Resources from Seaweed and Fishing Sectors

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