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RETRACTED: Harvesting of microalgal biomass: Efficient method for flocculation through pH modulation
Abstract
Harvesting of the micro alga Chlorococcum sp. R-AP13 through autoflocculation, chemical flocculants or by change in medium pH was evaluated. Surface charge of algal cells changed in response to the method used and affected flocculation efficiency. While aluminum sulfate and FeCl3 supported 87% and 92% efficiency, auto flocculation could recover 75% of biomass in 10min. Maximum efficiency (94%) was obtained with change in medium pH from 8.5 to 12.0 achieved through addition of 40mgl(-1) of NaOH. Since high concentrations of FeCl3 and AlSO4 were toxic to the cells, flocculation induced by pH change may be considered the most effective strategy. Residual medium after flocculation could be reused efficiently for algal cultivation, minimizing the demand for fresh water.
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Microalgae for biodiesel production and other applications: A review
Mata, T. M., Martins, A. A., & Caetano, N. S. (2010) · Renewable and Sustainable Energy Reviews · doi:10.1016/j.rser.2009.07.020 · Cited by 5,685
Cited by
Khanra, S., Mondal, M., Halder, G., Tiwari, O. N., Gayen, K., & Bhowmick, T. K. (2018) · Food and Bioproducts Processing · doi:10.1016/j.fbp.2018.02.002 · Cited by 300
Muhammad, G., Alam, M. A., Mofijur, M., Jahirul, M. I., Lv, Y., Xiong, W., Ong, H. C., & Xu, J. (2021) · Renewable and Sustainable Energy Reviews · doi:10.1016/j.rser.2020.110209 · Cited by 226
Vasistha, S., Khanra, A., Clifford, M., & Rai, M. P. (2021) · Renewable and Sustainable Energy Reviews · doi:10.1016/j.rser.2020.110498 · Cited by 208
Variability in Macro- and Micronutrients of 15 Commercially Available Microalgae Powders
Sandgruber, F., Gielsdorf, A., Baur, A. C., Schenz, B., Müller, S. M., Schwerdtle, T., Stangl, G. I., Griehl, C., Lorkowski, S., & Dawczynski, C. (2021) · Marine Drugs · doi:10.3390/md19060310 · Cited by 99
Obeid, F., Chu Van, T., Brown, R., & Rainey, T. (2019) · Energy Conversion and Management · doi:10.1016/j.enconman.2018.11.054 · Cited by 94
Metadata
- Authors
- Ummalyma, S. B., Mathew, A. K., Pandey, A., & Sukumaran, R. K.
- Venue
- Bioresource Technology
- Publisher
- Elsevier BV
- Published
- 2016-08
- Volume
- 213
- Pages
- 216-221
- ISSN
- 0960-8524 (ISSN-L)
- OpenAlex
- W2322895763
- Cited by
- 165
- References
- 1
- FWCI
- 4.29
- Type
- journal article
- Language
- en
- Status
- Retracted
- Open access
- closed
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- The paper
- Ummalyma, S. B., Mathew, A. K., Pandey, A., & Sukumaran, R. K. (2016). RETRACTED: Harvesting of microalgal biomass: Efficient method for flocculation through pH modulation. Bioresource Technology. https://doi.org/10.1016/j.biortech.2016.03.114
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
