The DOI matches its Crossref record; 36 of the 36 references it cites were found in a registry or an index.
Bioethanol production using carbohydrate-rich microalgae biomass as feedstock
Abstract
This study aimed to evaluate the potential of using a carbohydrate-rich microalga Chlorella vulgaris FSP-E as feedstock for bioethanol production via various hydrolysis strategies and fermentation processes. Enzymatic hydrolysis of C. vulgaris FSP-E biomass (containing 51% carbohydrate per dry weight) gave a glucose yield of 90.4% (or 0.461 g (g biomass)(-1)). The SHF and SSF processes converted the enzymatic microalgae hydrolysate into ethanol with a 79.9% and 92.3% theoretical yield, respectively. Dilute acidic hydrolysis with 1% sulfuric acid was also very effective in saccharifying C. vulgaris FSP-E biomass, achieving a glucose yield of nearly 93.6% from the microalgal carbohydrates at a starting biomass concentration of 50 g L(-1). Using the acidic hydrolysate of C. vulgaris FSP-E biomass as feedstock, the SHF process produced ethanol at a concentration of 11.7 g L(-1) and an 87.6% theoretical yield. These findings indicate the feasibility of using carbohydrate-producing microalgae as feedstock for fermentative bioethanol production.
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“Some Chlorella species are able to accumulate large amounts of carbohydrates (e.g., starch) which can be used as substrates for the production of biofuels such as bioethanol, biohydrogen and biobutanol through anaerobic fermentation or biogas through anaerobic digestion [120,121].”
From Challenges and Opportunities to Increase Economic Feasibility and Sustainability of Mixotrophic Cultivation of Green Microalgae of the Genus Chlorella (2022) · cites this paper as [121]
In the citing paper
“Hydrolysis with acids or enzymes can release fermentable sugars from algal carbohydrates for bioethanol production [8, 110, 111].”
From The promising future of microalgae: Current status, challenges, and optimization of a sustainable and renewable industry for biofuels, feed, and other products (2018) · cites this paper as [111]
In the citing paper
“11.7 g/l final ethanol yield was reported from Chlorella vulgaris [111].”
From The promising future of microalgae: Current status, challenges, and optimization of a sustainable and renewable industry for biofuels, feed, and other products (2018) · cites this paper as [111]
Citations
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Khan, M. I., Shin, J. H., & Kim, J. D. (2018) · Microbial Cell Factories · doi:10.1186/s12934-018-0879-x · Cited by 2,082
Markou, G., & Nerantzis, E. (2013) · Biotechnology Advances · doi:10.1016/j.biotechadv.2013.07.011 · Cited by 815
Microalgae to Biofuels: ‘Promising’ Alternative and Renewable Energy, Review
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Biosequestration of atmospheric CO2 and flue gas-containing CO2 by microalgae
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Self-citationMicroalgal and cyanobacterial cultivation: The supply of nutrients
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Metadata
- Authors
- Ho, S.-H., Huang, S.-W., Chen, C.-Y., Hasunuma, T., Kondo, A., & Chang, J.-S.
- Affiliations
- National Cheng Kung University (TW)
- Kobe University (JP)
- Corresponding author
- Chang, Jo-Shu
- Venue
- Bioresource Technology
- Publisher
- Elsevier BV
- Published
- 2013-05
- Volume
- 135
- Pages
- 191-198
- ISSN
- 0960-8524 (ISSN-L)
- OpenAlex
- W2043626982
- Cited by
- 683
- References
- 36
- Citations by year
- 2026: 19 · 2025: 34 · 2024: 42 · 2023: 45 · 2022: 78 · 2021: 70 · 2020: 62 · 2019: 80 · 2018: 55 · 2017: 61 · 2016: 46 · 2015: 45 · 2014: 32 · 2013: 14
- FWCI
- 16.59
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Bioresource Technology (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Biofuel production and bioconversion
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Microbial Metabolic Engineering and Bioproduction
- Keywords
- bioethanol production, Chlorella vulgaris, microalgal biomass, enzymatic hydrolysis, simultaneous saccharification and fermentation, dilute acid hydrolysis, glucose yield, ethanol yield
- MeSH terms
- Ethanol, Biotechnology, Carbohydrates, Fermentation, Glucose, Glucosidases, Hydrolysis, Lipids, Nitrates, Nitrogen, Proteins, Sulfuric Acids, Time Factors, Zymomonas, Biomass, Chlorella vulgaris, Carbohydrate Metabolism, Biofuels, Microalgae
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