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Article

Phytoremediation of TSS, NH3-N and COD from Sewage Wastewater by Lemna minor L., Salvinia minima, Ipomea aquatica and Centella asiatica

1
Department of Earth Sciences and Environment, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia
2
Centre for Tropical Climate Change System, Institute of Climate Change, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia
*
Author to whom correspondence should be addressed.
Appl. Sci. 2020, 10(16), 5397; https://doi.org/10.3390/app10165397
Received: 7 July 2020 / Revised: 19 July 2020 / Accepted: 21 July 2020 / Published: 5 August 2020
(This article belongs to the Special Issue Environmental Pollution: From Phytoremediation to Phytomonitoring)
The rapid growth of industries has resulted in wastewater generation containing different organic and chemical substances channeled into the water body. This causes the arising of water pollution issues in many regions. The phytoremediation method was introduced in the process of treating water pollution as it is low cost and environmentally friendly. Lemna minor, Salvinia minima, Ipomoea aquatica and Centella asiatica were chosen in this study because they have tolerance to various pollution conditions and are able to remove organic pollutants and heavy metals. The objectives of this study were to determine the water quality before and after treatment, to determine the rate of reduction in total suspended solids (TSS), ammoniacal nitrogen (NH3-N), and chemical oxygen demand (COD) in sewage water through the phytoremediation method and to assess the effectiveness of the plants in the phytoremediation of sewage wastewater. It was found that, Lemna minor, Salvinia minima, Ipomoea aquatica and Centella asiatica were able to reduce TSS by 50.8%, 77.6%, 85.6% and 67.6%, respectively; NH3-N by 80.4%, 89.9, 97.3% and 79.1%, respectively; and COD by 75%, 82%, 44.8% and 36.46%, respectively. In this study, it was found that sewage wastewater treatment using Ipomoea aquatica was more efficient in reducing NH3-N and Salvinia minima was more efficient in reducing TSS and COD values. View Full-Text
Keywords: phytoremediation; Lemna minor L.; Salvinia minima; Ipomea aquatics; Centella asiatica; sewage wastewater treatment phytoremediation; Lemna minor L.; Salvinia minima; Ipomea aquatics; Centella asiatica; sewage wastewater treatment
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MDPI and ACS Style

Abdul Aziz, N.I.H.; Mohd Hanafiah, M.; Halim, N.H.; Fidri, P.A.S. Phytoremediation of TSS, NH3-N and COD from Sewage Wastewater by Lemna minor L., Salvinia minima, Ipomea aquatica and Centella asiatica. Appl. Sci. 2020, 10, 5397. https://doi.org/10.3390/app10165397

AMA Style

Abdul Aziz NIH, Mohd Hanafiah M, Halim NH, Fidri PAS. Phytoremediation of TSS, NH3-N and COD from Sewage Wastewater by Lemna minor L., Salvinia minima, Ipomea aquatica and Centella asiatica. Applied Sciences. 2020; 10(16):5397. https://doi.org/10.3390/app10165397

Chicago/Turabian Style

Abdul Aziz, Nur Izzah Hamna, Marlia Mohd Hanafiah, Nasrun Hisyam Halim, and Putri Amylin Sofea Fidri. 2020. "Phytoremediation of TSS, NH3-N and COD from Sewage Wastewater by Lemna minor L., Salvinia minima, Ipomea aquatica and Centella asiatica" Applied Sciences 10, no. 16: 5397. https://doi.org/10.3390/app10165397

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