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The efficiency of microalgae biofilm in the phycoremediation of water from River Kaduna
Ugya, Adamu Yunusa; Ajibade, Fidelis Odedishemi; Hua, Xiuyi
2021-10-01
Source PublicationJOURNAL OF ENVIRONMENTAL MANAGEMENT
ISSN0301-4797
Volume295Pages:-
AbstractThis study is aimed at investigating the efficiency of microalgae biofilm in the phycoremediation of water from a polluted river. Freshwater microalgae biofilm inherent in a contaminated petrochemical stream was employed to remediate water from the River Kaduna, which is the largest river in Kaduna town, Kaduna State, Nigeria, and serves as the primary water source in Kaduna town. The results indicate high reduction efficiency of some physicochemical parameters and pollutants (turbidity (71%), conductivity (9.8%), sulfate (37.5%), alkalinity (62.5%), chloride (11.5%), TDS (9.9%), TSS (66.7%), nitrate (42.9%), COD (24%), and BOD (33%), Cd (70.0%), Ni (74.0%) and Pb (71.0%)), indicating the effectiveness of microalgae biofilm in the phycoremediation of water from River Kaduna. According to scanning electron microscope (SEM) observation, the microalgae biofilm has rough surface morphology after the treatment of the river water, which implies that the biofilm was capable of removing the pollutants in water via biosorption. Other characterizations such as XRF, XRD, and FTIR also buttressed that biosorption was the primary removal mechanism of pollutants by microalgae biofilm. Besides, the results also show the production of ROS during the treatment of water from the River Kaduna by the microalgae biofilm. This high concentration of ROS produced during the treatment correlates significantly with pollutant degradation. The GC-MS analysis of the microalgae biofilm shows the involvement of some phytochemicals in the process of pollutant degradation. As a result, microalgae biofilm is a simple and cost-effective method of polluted water phycoremediation with promising applications and future prospects.
Department中国科学院环境生物技术重点实验室
KeywordFreshwater microalgae biofilm Aquatic ecosystem Bioremediation Biosorption Reactive oxygen species
WOS Research AreaEnvironmental Sciences
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/46160
Collection中国科学院环境生物技术重点实验室
Affiliation1.Jilin Univ, Coll New Energy & Environm, Key Lab Groundwater Resources & Environm,Minist E, Key Lab Water Resources & Aquat Environm Jilin Pr, Changchun 130012, Peoples R China
2.Kaduna State Univ, Dept Environm Management, Kaduna, Nigeria
3.Fed Univ Technol Akure, Dept Civil & Environm Engn, PMB 704, Akure, Nigeria
4.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Key Lab Environm Biotechnol, Beijing 100085, Peoples R China
Recommended Citation
GB/T 7714
Ugya, Adamu Yunusa,Ajibade, Fidelis Odedishemi,Hua, Xiuyi. The efficiency of microalgae biofilm in the phycoremediation of water from River Kaduna[J]. JOURNAL OF ENVIRONMENTAL MANAGEMENT,2021,295:-.
APA Ugya, Adamu Yunusa,Ajibade, Fidelis Odedishemi,&Hua, Xiuyi.(2021).The efficiency of microalgae biofilm in the phycoremediation of water from River Kaduna.JOURNAL OF ENVIRONMENTAL MANAGEMENT,295,-.
MLA Ugya, Adamu Yunusa,et al."The efficiency of microalgae biofilm in the phycoremediation of water from River Kaduna".JOURNAL OF ENVIRONMENTAL MANAGEMENT 295(2021):-.
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