Phytoremediation of nitrogen and phosphorus pollutants from glass industry effluent by using water hyacinth (Eichhornia crassipes (Mart.) Solms): Application of RSM and ANN techniques for experimental optimization

Singh, Jogendra; Kumar, Pankaj; Eid, Ebrahem M.; Taher, Mostafa A.; El-Morsy, Mohamed H. E.; Osman, Hanan E.; Al-Bakre, Dhafer A.; Kumar, Vinod

doi:10.1007/s11356-022-23601-9

Cited by 11 publications

(4 citation statements)

References 47 publications

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“…WH also can remove total nitrogen up to 100% in 9 weeks, as studied by Jayaweera & Kasturiarachchi [60]. Singh et al [61] and Mayo and Hanai [62] also observed reductions in total nitrogen of 93.86% and 63.9% respectively, while 89.27% reduction was observed by Kumar et al [57]. Fox et al [27] examined the pollution abatement potential of the hyacinths, and found it to account for 60-85% of the nitrogen removed from the solution.…”

Section: Changes In Physiochemical Parametersmentioning

confidence: 95%

“…Fox et al [27] examined the pollution abatement potential of the hyacinths, and found it to account for 60-85% of the nitrogen removed from the solution. Fang et al [63] observed total N concentration in the enclosures decreased from 2.1 to 0.50 mg L −1 after growing WH for 44 d. The study by Singh et al [61] reported a remarkable 93.86% reduction in TKN achieved using WH.…”

Section: Changes In Physiochemical Parametersmentioning

confidence: 97%

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Growth Dynamics and Nutrient Removal from Biogas Slurry Using Water Hyacinth

Koley,

GhoshThakur,

Das

et al. 2024

Sustainability

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Aquatic macrophytes, notably the invasive water hyacinth, exhibit proficiency in nutrient removal from polluted water bodies, rendering them appealing for water remediation applications. This study investigates the potential of water hyacinth in phytoremediation, focusing on the effect of using nutrient-rich biogas slurry mixed with water in varying concentrations, i.e., 16.6, 33, 66.6, 100, and 133 mg/L for the investigation. The physiochemical properties of the liquid biogas slurry were evaluated before and after treatment with water hyacinth over eight weeks, with continuous monitoring of nutrient reduction rates. Results showcased substantial average reductions of nitrogen, phosphorus, and potassium, with a relative growth rate of 5.55%. The treatment also decreased pH, total dissolved solids, hardness, and chemical oxygen demand. The theoretical BMP of water hyacinth was determined using Buswell’s equation. Water hyacinth grown in the concentration of the biogas slurry exhibited the highest methane yield at 199 mL CH4/gm VS, along with the highest relative growth rate. This study used experimental data to create a mathematical model that describes how the relative growth of water hyacinth depends on the number of days and biogas slurry concentration (C). The model’s quality and effectiveness were evaluated using the goodness of fit (R2) and observable approaches. The polynomial model, referred to as Poly model 1, 2, is the best fit for describing the relationship between the growth percentage of water hyacinth, days, and nutrient solution concentration. In this model, C has a polynomial degree of one (normalized mean of 69.84 ± 43.54), while D has a degree of two (normalized mean of 30 ± 21.65).

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Section: Changes In Physiochemical Parametersmentioning

confidence: 95%

Section: Changes In Physiochemical Parametersmentioning

confidence: 97%

Growth Dynamics and Nutrient Removal from Biogas Slurry Using Water Hyacinth

Koley,

GhoshThakur,

Das

et al. 2024

Sustainability

View full text Add to dashboard Cite

show abstract

“…Singh, et al [165] investigated the potential of Eichhornia crassipes in removing nitrogen and phosphorous from glass industry effluent (GIE). This study was supported by a response surface methodology and an artificial neural network for optimization and prediction.…”

Section: Nutrient Removalmentioning

confidence: 99%

Floating Aquatic Macrophytes in Wastewater Treatment: Toward a Circular Economy

Sayanthan,

Hasan,

Abdullah

2024

Water

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Floating aquatic macrophytes have a high level of proficiency in the removal of various contaminants, particularly nutrients, from wastewater. Due to their rapid growth rates, it is imperative to ensure the safe removal of the final biomass from the system. The ultimate macrophyte biomass is composed of lignocellulose and has enhanced nutritional and energy properties. Consequently, it can serve as a viable source material for applications such as the production of bioenergy, fertilizer and animal feed. However, its use remains limited, and in-depth studies are scarce. Here, we provide a comprehensive analysis of floating aquatic macrophytes and their efficacy in the elimination of heavy metals, nutrients and organic pollutants from various types of wastewater. This study offers a wide-ranging scrutiny of the potential use of plant biomasses as feedstock for bioenergy generation, focusing on both biochemical and thermochemical conversion processes. In addition, we provide information regarding the conversion of biomass into animal feed, focusing on ruminants, fish and poultry, the manufacture of fertilizers and the use of treated water. Overall, we offer a clear idea of the technoeconomic benefits of using macrophytes for the treatment of wastewater and the challenges that need to be rectified to make this cradle-to-cradle concept more efficient.

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“…Ecological ditches are one of the most effective methods for mitigating agricultural P pollution by virtue of their ability to remove P (Kröger and Moore 2011;Kumwimba et al 2017). Emergent plants, in particular, are frequently utilized in environmental remediation because of their high P uptake, low cost, and visual attractiveness (Singh et al 2023). Emergent plants can adsorb P directly and store it in their biomass.…”

Section: Introductionmentioning

confidence: 99%

Potentials of emergent plant residue derived biochar to be alternative carbon-based phosphorus fertilizer by Fe(II)/Fe(III) magnetic modification

Xin,

Yang,

et al. 2024

Biochar

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Emergent plants have been remarkably effective in reducing phosphorus (P) discharge from ecological ditches; however, the treatment and recycling of these residues is a great challenge. In this study, magnetic biochars (MBs, i.e., MB-A, MB-C, and MB-T) were fabricated from three emergent plant residues (Acorus calamus L., Canna indica L., and Thalia dealbata Fraser, respectively) and modified with Fe(II)/Fe(III). Scanning electron microscopy-energy dispersive spectroscopy and X-ray diffraction spectra confirmed the successful loading of Fe3O4 and FeO(OH) onto the surfaces of the MBs. Batch adsorption experiments showed that MBs exhibited a higher P adsorption capacity than that of the raw biochars. Within the range of 0.8–43.0 mg L−1 in solution, the adsorption capacities of P by MB-A, MB-C, and MB-T were 304.6–5658.8, 314.9–6845.6, and 292.8–5590.0 mg kg−1, with adsorption efficiencies of 95.2–32.9%, 98.4–39.8%, and 91.5–32.5%, respectively. The primary mechanisms that caused P to adsorb onto the MBs were inner-sphere complexation and electrostatic attraction. Low pH conditions were more beneficial for the P adsorption of the MBs, while co-existing anions had a negative impact with the following order: HCO3− > SO42− > Cl−≈NO3−. The P-31 nuclear magnetic resonance results further demonstrated that the main adsorbed P species on the MBs was orthophosphate, followed by orthophosphate monoesters and DNA. Overall, MBs offer a resource utilization strategy for emergent plant residues and P-laden MBs are promising alternative P fertilizers. Graphical Abstract

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Phytoremediation of nitrogen and phosphorus pollutants from glass industry effluent by using water hyacinth (Eichhornia crassipes (Mart.) Solms): Application of RSM and ANN techniques for experimental optimization

Cited by 11 publications

References 47 publications

Growth Dynamics and Nutrient Removal from Biogas Slurry Using Water Hyacinth

Growth Dynamics and Nutrient Removal from Biogas Slurry Using Water Hyacinth

Floating Aquatic Macrophytes in Wastewater Treatment: Toward a Circular Economy

Potentials of emergent plant residue derived biochar to be alternative carbon-based phosphorus fertilizer by Fe(II)/Fe(III) magnetic modification

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