Phytotechnology for domestic wastewater treatment: Performance of Pistia stratiotes in eradicating pollutants and future prospects

Imron, Muhammad Fauzul; Firdaus, Abiyyu Armijn Firman; Flowerainsyah, Zhiella Octabriani; Rosyidah, Dzikro; Fitriani, Nur; Kurniawan, Setyo Budi; Abdullah, Siti Rozaimah Sheikh; Hasan, Hassimi Abu; Wibowo, Yudha Gusti

doi:10.1016/j.jwpe.2022.103429

Cited by 22 publications

(6 citation statements)

References 56 publications

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“…In contrast to alternatives like adsorption, which has shown efficacy in treating inorganic pollutants (Budihardjo et al, 2021;Wibowo et al, 2022b), electrochemical approaches demonstrate superiority in addressing color pollutants. Moreover, while phytoremediation has been acknowledged for its potential in managing various pollutant parameters, including those observed in this study, it is accompanied by challenges such as adverse effects on plant health and the logistical hurdles of managing contaminated biomass (Imron et al, 2023).…”

Section: Time Contact Effectsmentioning

confidence: 98%

Electrochemical Treatment for Real Hospital Wastewater and its Future Prospect

2024

Global NEST Journal

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<p>Purpose: This study investigates the efficacy of electrochemical remediation techniques in treating hospital wastewater, focusing on parameters including turbidity, color, BOD, COD, DO, coliform, and E. coli. Design/Methodology/Approach: The study conducts a comprehensive analysis of various pollutant parameters, evaluating the impact of contact time on pollutant reduction. Electrochemical methods are explored for their potential in mitigating these parameters. Conclusions: The findings demonstrate the effectiveness of electrochemical techniques in reducing a range of pollutant parameters, with significant reductions observed in turbidity (up to 99%), color (51%), BOD (99%), COD (60%), and microbial contaminants such as E. coli and coliform (up to 48%). Notably, the study reveals that higher voltage doesn't consistently result in superior performance. Limitations/Consequences of Research: While the study showcases promising results, certain limitations and challenges are acknowledged, including the need for further research to address these constraints and optimize electrochemical remediation processes. Practical Value: The study highlights the practical potential of electrochemical techniques as an effective means of wastewater treatment in hospital settings, offering insights into their application and benefits for environmental sustainability. Originality and Significance of Results: This research contributes novel insights into the application of electrochemical methods for hospital wastewater treatment, emphasizing their efficacy in reducing various pollutant parameters and providing a foundation for future research directions in this field.</p>

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Section: Time Contact Effectsmentioning

confidence: 98%

Electrochemical Treatment for Real Hospital Wastewater and its Future Prospect

2024

Global NEST Journal

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“…Te concentration of PO 4 −3 was signifcantly (P < 0.05) reduced at the maturation outfow of the vegetated system. Te decrease in phosphate concentrations in these systems may be due to the direct use of phosphates by plants and algae [65], but the reduction could be highly infuenced by hydraulic retention time [51,66] which favors sedimentation and adsorption to the root system. Te microbial population residing in the control system and on the roots of the macrophytes could also assimilate the phosphates present in the wastewater [67].…”

Section: Nutrientmentioning

confidence: 99%

Eichhornia crassipes Efficacy in Secondary Wastewater Treatment in the Western Highlands of Cameroon

Manekeu Tanetsa,

Lekeufack,

Edzigui Tsimi

et al. 2023

The Scientific World Journal

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Wastewater treatment using lagoons technology is recognised to have potential to protect the environment and preserve water resources. The implementation requires mastery of ecological conditions of operation and management of the plants used. We aimed to contribute to the implementation of macrophyte-based lagoons for wastewater treatment in the Western Highlands of Cameroon. We used two sets of four lagoons in series; one was vegetated with E. crassipes, while the other served as the control. Each set constituted an anaerobic, two facultative, and maturation lagoons. Each lagoon system was supplied with primary-treated domestic wastewater from the wastewater treatment plant of the University of Dschang, Cameroon, at a hydraulic loading rate of 1.13 m3/day. Monthly wastewater samples were collected from the inflow and outflow of each lagoon for physicochemical and bacteriological analyses, and plant growth was assessed biweekly for six months spanning the dry and rainy seasons. Macrophyte lagoons showed positive plant growth during both seasons. The highest plant height (10.67 and 25.21 cm), longer roots (11.3 and 37.41 cm), and the highest number of new buds (14 and 20 buds) were obtained during the dry and rainy seasons, respectively. Plants were significantly ( P < 0.0001) taller in facultative lagoons in the rainy season than in the dry season. Vegetated lagoons significantly ( P < 0.05) contributed to reducing TSS (−08.36% and 82.25%), true color (44.46% and 82.31%), orthophosphates (63.1% and 86.59%), and BOD5 (−56.79% and 56.06%) during the dry and rainy seasons, respectively. 100% elimination of fecal streptococci (FS) and 74.89% and 43.80% of fecal coliforms (FC) were observed in the dry and rainy seasons, respectively. Significant ( P = 0.0019) FS elimination was more in the dry season than in the rainy season. However, the average residual content of FC (190,000 UFC/100 ml) was still higher than WHO limits (≤1000 UFC/100 ml) for nonrestrictive reuse in agriculture. E. crassipes can be efficiently used in lagoon systems for domestic wastewater treatment in the Western Highlands of Cameroon.

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“…Also, the never-ending growth of the world's population has significantly enhanced this issue. 3,4 It is estimated that over two-thirds of the world's population is facing a shortage of fresh drinking water. 5 The huge number of residues released from various industries, such as dyes, pharmaceuticals, or pesticides, are highly toxic and tend to dissolve easily in water.…”

Section: Introductionmentioning

confidence: 99%

Recent progress in defect‐engineered metal oxides for photocatalytic environmental remediation

Sharma,

Sajwan,

Gouda

et al. 2024

Photochem & Photobiology

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Rapid industrial advancement over the last few decades has led to an alarming increase in pollution levels in the ecosystem. Among the primary pollutants, harmful organic dyes and pharmaceutical drugs are directly released by industries into the water bodies which serves as a major cause of environmental deterioration. This warns of a severe need to find some sustainable strategies to overcome these increasing levels of water pollution and eliminate the pollutants before being exposed to the environment. Photocatalysis is a well‐established strategy in the field of pollutant degradation and various metal oxides have been proven to exhibit excellent physicochemical properties which makes them a potential candidate for environmental remediation. Further, with the aim of rapid industrialization of photocatalytic pollutant degradation technology, constant efforts have been made to increase the photocatalytic activity of various metal oxides. One such strategy is the introduction of defects into the lattice of the parent catalyst through doping or vacancy which plays a major role in enhancing the catalytic activity and achieving excellent degradation rates. This review provides a comprehensive analysis of defects and their role in altering the photocatalytic activity of the material. Various defect‐rich metal oxides like binary oxides, perovskite oxides, and spinel oxides have been summarized for their application in pollutant degradation. Finally, a summary of existing research, followed by the existing challenges along with the potential countermeasures has been provided to pave a path for the future studies and industrialization of this promising field.

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Phytotechnology for domestic wastewater treatment: Performance of Pistia stratiotes in eradicating pollutants and future prospects

Cited by 22 publications

References 56 publications

Electrochemical Treatment for Real Hospital Wastewater and its Future Prospect

Electrochemical Treatment for Real Hospital Wastewater and its Future Prospect

Eichhornia crassipes Efficacy in Secondary Wastewater Treatment in the Western Highlands of Cameroon

Recent progress in defect‐engineered metal oxides for photocatalytic environmental remediation

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