Biochemical performance modelling of non-vegetated and vegetated vertical subsurface-flow constructed wetlands treating municipal wastewater in hot and dry climate

Rahi, Muna A.; Faisal, Ayad A.H.; Naji, Laith A.; Almuktar, S. A.; Abed, Suhail N.; Scholz, Miklas

doi:10.1016/j.jwpe.2019.101003

Cited by 31 publications

(10 citation statements)

References 35 publications

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“…In certain countries, excrete-containing waste water and drug residues are processed at wastewater treatment plants where they can be contaminated or absorbed by sludge treatment (Faisal, Nassir, Naji, Naushad & Ahamad, 2020;Naji, Faisal, Rashid, Naushad & Ahamad, 2020;Rahi et al, 2020;Saad, Abd Ali, Naji, Faisal & Al-Ansari, 2020). The danger of such pharmaceuticals is subjected to the surface when the contaminated wastewater is not treated successfully or not treated at all (Karthikeyan & Meyer, 2006;Alshammari et al, 2020).…”

Section: Removal Of Meropenem By Using Lemna Minormentioning

confidence: 99%

Removal of Meropenem by using Lemna minor

Saad

Al-Dulaimi

2021

srees

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In this paper we presented a case study about the removal of a pharmaceutical contamination (in this case Meropenem) from the environment using organic natural substance (in this case study is Lemna minor). The study proved the efficiency of the used material to remove the contamination of three specific contamination levels of Meropenem. The experimental testing proved the concept, the effect on two vital measures (the chemical oxygen demand – COD, and the root length), which showed improvement in both measures. The degradation mechanism was proven to be not arbitrary by testing the degradation behavior measured practically to four kinetic models. The practical work was found to fit perfectly with the Grau second order model as the simulation work included in the paper shows. Based on this study it can be proven that the dangerous chemicals resulted from the residue of a pharmaceutical substances can be removed efficiently using a totally natural environmental friendly material.

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Section: Removal Of Meropenem By Using Lemna Minormentioning

confidence: 99%

Removal of Meropenem by using Lemna minor

Saad

Al-Dulaimi

2021

srees

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“…After WSPs, constructed wetlands were among the first nature-based treatments implemented worldwide at full-scale as a result of their low construction, maintenance and energy costs -and simple operation (Li et al, 2017;Rahi et al, 2020). Wetland technology has been adapted to treat industrial sewage, storm water and domestic wastewater (Zhang et al, 2015).…”

Section: Constructed Wetlandsmentioning

confidence: 99%

“…Wetland technology has been adapted to treat industrial sewage, storm water and domestic wastewater (Zhang et al, 2015). Treatment performance can be sufficient to produce effluents that can be reused for restricted irrigation in agriculture (Chandrakanth et al, 2016;Colares et al, 2019;Nivala et al, 2019;Rahi et al, 2020;Sehar et al, 2016) and a recent study of full-scale wetlands in Mexico reveals exceptional capacity of wetlands to deal with some types of emerging pollutants (Herrera-Cárdenas et al, 2016).…”

Section: Constructed Wetlandsmentioning

confidence: 99%

Innovative Wastewater Treatment Technologies — The INNOQUA Project

2021

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“…Eventually, cephalexin residues enter wastewater with or without treatment (Balarak & Mostafapour, 2016;Nunes et al, 2019). In certain countries, wastewater, which contains cephalexin metabolic waste is processed at wastewater treatment facilities since the residues could be removed by absorption in the sludge treatment (Faisal et al, 2020f;Naji et al, 2020a;Rahi et al, 2020;Saad et al, 2019). However, in the absence of remediation procedures or when the treatment is not efficient, these cephalexin residues are accumulated directly into water bodies (Alshammari et al, 2020;Karthikeyan & Meyer, 2006).…”

Section: Introductionmentioning

confidence: 99%

Development of a grau model for simulating cephalexin residue removal from wastewater by using lemna minor

et al. 2021

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Removal of cephalexin residues from wastewater is one of the most concerned issues in treatment plants due to the growing of the antibiotics consumption level around the world. In this study, the impact of the initial concentration of cephalexin residues on its removability by lemna minor was investigated by developing a grau model accounting for the cephalexin initial pH value. In the model, the second-order kinetic constants of adsorption were linked linearly with the influent pH values. Results showed that using lemna minor along with phytoremediation process increased the removal efficiency value to 86.5% and dropped chemical oxygen demand (COD) to 0.012 mg/L in effluent, making the removability of cephalexin from the polluted water easier. In addition, it was found that changing the grau model kinetic constants linearly (positively or negatively) with pH affects the removal efficiency. Based on the results, the best removability can be noticed at the pH level of 7 with a value of 71%.

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Biochemical performance modelling of non-vegetated and vegetated vertical subsurface-flow constructed wetlands treating municipal wastewater in hot and dry climate

Cited by 31 publications

References 35 publications

Removal of Meropenem by using Lemna minor

Removal of Meropenem by using Lemna minor

Innovative Wastewater Treatment Technologies — The INNOQUA Project

Development of a grau model for simulating cephalexin residue removal from wastewater by using lemna minor

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