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Screening of native microalgae species for carbon fixation at the vicinity of Malaysian coal‑fired power plant

Global warming has become a serious issue nowadays as the trend of CO2 emission is increasing by years. In Malaysia, the electricity and energy sector contributed a significant amount to the nation’s CO2 emission due to fossil fuel use. Many research works have been carried out to mitigate this issu...

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Main Authors: Yahya, Liyana, Harun, Mohd Razif, Abdullah, Luqman Chuah
Format: Article
Published: Springer Nature 2020
Online Access:http://psasir.upm.edu.my/id/eprint/87538/
https://www.nature.com/articles/s41598-020-79316-9
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spelling my.upm.eprints.875382022-11-23T02:34:35Z http://psasir.upm.edu.my/id/eprint/87538/ Screening of native microalgae species for carbon fixation at the vicinity of Malaysian coal‑fired power plant Yahya, Liyana Harun, Mohd Razif Abdullah, Luqman Chuah Global warming has become a serious issue nowadays as the trend of CO2 emission is increasing by years. In Malaysia, the electricity and energy sector contributed a significant amount to the nation’s CO2 emission due to fossil fuel use. Many research works have been carried out to mitigate this issue, including carbon capture and utilization (CCUS) technology and biological carbon fixation by microalgae. This study makes a preliminary effort to screen native microalgae species in the Malaysian coal-fired power plant’s surrounding towards carbon fixation ability. Three dominant species, including Nannochloropsis sp., Tetraselmis sp., and Isochrysis sp. were identified and tested in the laboratory under ambient and pure CO2 condition to assess their growth and CO2 fixation ability. The results indicate Isochrysis sp. as the superior carbon fixer against other species. In continuation, the optimization study using Response Surface Methodology (RSM) was carried out to optimize the operating conditions of Isochrysis sp. using a customized lab-scale photobioreactor under simulated flue gas exposure. This species was further acclimatized and tested under actual flue gas generated by the power plant. Isochrysis sp. had shown its capability as a carbon fixer with CO2 fixation rate of 0.35 gCO2/L day under actual coal-fired flue gas exposure after cycles of acclimatization phase. This work is the first to demonstrate indigenous microalgae species' ability as a carbon fixer under Malaysian coal-fired flue gas exposure. Thus, the findings shall be useful in exploring the microalgae potential as a biological agent for carbon emission mitigation from power plants more sustainably. Springer Nature 2020-12 Article PeerReviewed Yahya, Liyana and Harun, Mohd Razif and Abdullah, Luqman Chuah (2020) Screening of native microalgae species for carbon fixation at the vicinity of Malaysian coal‑fired power plant. Scientific Reports, 10. art. no. 22355. pp. 1-14. ISSN 2045-2322 https://www.nature.com/articles/s41598-020-79316-9 10.1038/s41598-020-79316-9
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
description Global warming has become a serious issue nowadays as the trend of CO2 emission is increasing by years. In Malaysia, the electricity and energy sector contributed a significant amount to the nation’s CO2 emission due to fossil fuel use. Many research works have been carried out to mitigate this issue, including carbon capture and utilization (CCUS) technology and biological carbon fixation by microalgae. This study makes a preliminary effort to screen native microalgae species in the Malaysian coal-fired power plant’s surrounding towards carbon fixation ability. Three dominant species, including Nannochloropsis sp., Tetraselmis sp., and Isochrysis sp. were identified and tested in the laboratory under ambient and pure CO2 condition to assess their growth and CO2 fixation ability. The results indicate Isochrysis sp. as the superior carbon fixer against other species. In continuation, the optimization study using Response Surface Methodology (RSM) was carried out to optimize the operating conditions of Isochrysis sp. using a customized lab-scale photobioreactor under simulated flue gas exposure. This species was further acclimatized and tested under actual flue gas generated by the power plant. Isochrysis sp. had shown its capability as a carbon fixer with CO2 fixation rate of 0.35 gCO2/L day under actual coal-fired flue gas exposure after cycles of acclimatization phase. This work is the first to demonstrate indigenous microalgae species' ability as a carbon fixer under Malaysian coal-fired flue gas exposure. Thus, the findings shall be useful in exploring the microalgae potential as a biological agent for carbon emission mitigation from power plants more sustainably.
format Article
author Yahya, Liyana
Harun, Mohd Razif
Abdullah, Luqman Chuah
spellingShingle Yahya, Liyana
Harun, Mohd Razif
Abdullah, Luqman Chuah
Screening of native microalgae species for carbon fixation at the vicinity of Malaysian coal‑fired power plant
author_facet Yahya, Liyana
Harun, Mohd Razif
Abdullah, Luqman Chuah
author_sort Yahya, Liyana
title Screening of native microalgae species for carbon fixation at the vicinity of Malaysian coal‑fired power plant
title_short Screening of native microalgae species for carbon fixation at the vicinity of Malaysian coal‑fired power plant
title_full Screening of native microalgae species for carbon fixation at the vicinity of Malaysian coal‑fired power plant
title_fullStr Screening of native microalgae species for carbon fixation at the vicinity of Malaysian coal‑fired power plant
title_full_unstemmed Screening of native microalgae species for carbon fixation at the vicinity of Malaysian coal‑fired power plant
title_sort screening of native microalgae species for carbon fixation at the vicinity of malaysian coal‑fired power plant
publisher Springer Nature
publishDate 2020
url http://psasir.upm.edu.my/id/eprint/87538/
https://www.nature.com/articles/s41598-020-79316-9
_version_ 1751538214712115200
score 13.211869

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