Cited by 199Algal biology and biofuel productionWastewater Treatment and ReuseAnaerobic Digestion and Biogas Production

Comprehensive techno-economic analysis of wastewater-based algal biofuel production: a case study

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Xin, Chunhua, Addy, Min M., Zhao, Jinyu, Cheng, Yanling, Cheng, Sibo, Mu, Dongyan, Liu, Yuhuan, Ding, Rijia +2 more·2016·Bioresource Technology

Abstract

Combining algae cultivation and wastewater treatment for biofuel production is considered the feasible way for resource utilization. An updated comprehensive techno-economic analysis method that integrates resources availability into techno-economic analysis was employed to evaluate the wastewater-based algal biofuel production with the consideration of wastewater treatment improvement, greenhouse gases emissions, biofuel production costs, and coproduct utilization. An innovative approach consisting of microalgae cultivation on centrate wastewater, microalgae harvest through flocculation, solar drying of biomass, pyrolysis of biomass to bio-oil, and utilization of co-products, was analyzed and shown to yield profound positive results in comparison with others. The estimated break even selling price of biofuel ($2.23/gallon) is very close to the acceptable level. The approach would have better overall benefits and the internal rate of return would increase up to 18.7% if three critical components, namely cultivation, harvest, and downstream conversion could achieve breakthroughs.

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Crossref · 10.1016/j.biortech.2016.03.102

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Authors
Xin, C., Addy, M. M., Zhao, J., Cheng, Y., Cheng, S., Mu, D., Liu, Y., Ding, R., Chen, P., & Ruan, R.
Affiliations
  • University of Minnesota (US)
  • Beijing University of Civil Engineering and Architecture (CN)
  • Kean University (US)
  • Nanchang University (CN)
  • China University of Mining and Technology - Beijing (CN)
Corresponding author
Ruan, Roger
Venue
Bioresource Technology
Publisher
Elsevier BV
Published
2016-07
Volume
211
Pages
584-593
ISSN
0960-8524 (ISSN-L)
OpenAlex
W2311882801
Cited by
197
References
36
Citations by year
2026: 17 · 2025: 16 · 2024: 20 · 2023: 15 · 2022: 31 · 2021: 29 · 2020: 14 · 2019: 29 · 2018: 11 · 2017: 11 · 2016: 4
FWCI
4.97
Type
journal article
Language
en
Open access
Locations
  • Bioresource Technology (acceptedVersion)
  • PubMed (publishedVersion)
  • OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (submittedVersion)
Funders
  • China Scholarship council (201406435009)
  • National Natural Science Foundation of China (71303235)
  • Program of Ministry of Science and Technology of China (2014DFA61040, 2015DFA60170, 2014AA022002)
  • Beijing Natural Science Foundation of China (KZ201411417038)
  • Jiangxi Major Projects
  • USDA
  • USDOT
  • DOE
  • Environment and Natural Resources Trust Fund
  • University of Minnesota MNDrive
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
  • Physical Sciences › Environmental Science › Waste Management and Disposal › Wastewater Treatment and Reuse
  • Physical Sciences › Engineering › Building and Construction › Anaerobic Digestion and Biogas Production
Keywords
algal biofuels, wastewater treatment, microalgae cultivation, flocculation, solar drying, pyrolysis, bio-oil, greenhouse gas emissions, biofuel production costs, break-even price, internal rate of return, resource availability
MeSH terms
Costs and Cost Analysis, Flocculation, Gases, Biomass, Biofuels, Microalgae, Wastewater

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