Guava Leaves as Adsorbent for the Removal of Emerging Pollutant: Ciprofloxacin from
            Aqueous Solution

Tay, Chin-Inn; Ong, Siew-Teng

doi:10.21315/jps2019.30.2.8

Cited by 7 publications

(3 citation statements)

References 21 publications

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“…The experimental value of qe, which is 19.45 mg/g, and the qe value, which was determined from Figure 9 b, are nearly identical. The kinetic model (PSO), which identified the rate-determining phase involved in chemisorption, revealed the adsorption behavior by showing that the electrons are shared or transferred between F. benghalensis leaves powder surface active groups and cationic dye molecules [ 20 ].…”

Section: Resultsmentioning

confidence: 99%

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Removal of Brilliant Green Dye from Water Using Ficus benghalensis Tree Leaves as an Efficient Biosorbent

Gul

et al. 2023

Materials

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The presence of dyes in water stream is a major environmental problem that affects aquatic and human life negatively. Therefore, it is essential to remove dye from wastewater before its discharge into the water bodies. In this study, Banyan (Ficus benghalensis, F. benghalensis) tree leaves, a low-cost biosorbent, were used to remove brilliant green (BG), a cationic dye, from an aqueous solution. Batch model experiments were carried out by varying operational parameters, such as initial concentration of dye solution, contact time, adsorbent dose, and pH of the solution, to obtain optimum conditions for removing BG dye. Under optimum conditions, maximum percent removal of 97.3% and adsorption capacity (Qe) value of 19.5 mg/g were achieved (at pH 8, adsorbent dose 0.05 g, dye concentration 50 ppm, and 60 min contact time). The Langmuir and Freundlich adsorption isotherms were applied to the experimental data. The linear fit value, R2 of Freundlich adsorption isotherm, was 0.93, indicating its best fit to our experimental data. A kinetic study was also carried out by implementing the pseudo-first-order and pseudo-second-order kinetic models. The adsorption of BG on the selected biosorbent follows pseudo-second-order kinetics (R2 = 0.99), indicating that transfer of internal and external mass co-occurs. This study surfaces the excellent adsorption capacity of Banyan tree leaves to remove cationic BG dye from aqueous solutions, including tap water, river water, and filtered river water. Therefore, the selected biosorbent is a cost-effective and easily accessible approach for removing toxic dyes from industrial effluents and wastewater.

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Section: Resultsmentioning

confidence: 99%

“…Various treatment technologies are used to remove dyes from wastewater, such as chemical coagulation-flocculation, oxidation processes, biological processes, membrane-based separation processes, bioremediation [ 19 ], and adsorption [ 20 , 21 , 22 , 23 ]. Each of the aforementioned procedures has its advantages and disadvantages.…”

Section: Introductionmentioning

confidence: 99%

Removal of Brilliant Green Dye from Water Using Ficus benghalensis Tree Leaves as an Efficient Biosorbent

Gul

et al. 2023

Materials

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“…The applicability of different isotherm models in the adsorption process by various adsorbents has been reported previously. 19,34,35…”

Section: Sorption Isothermmentioning

confidence: 99%

Effective removal of Reactive Brown 10 from aqueous solution by using chitosan beads: Batch and experimental design studies

Chung

Ong

2021

JPS

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Application of chitosan bead as a low-cost adsorbent for removing Reactive Brown 10 (RB 10) from aqueous solution was investigated. The presence of -NH 2 and -OH functional groups on chitosan beads were evident from the Fourier transform infrared (FTIR) spectrum. The changes on the surface morphology of the chitosan beads before and after sorption were analysed. Dye sorption was found higher with a longer contact time, lower dye concentration and greater adsorbent dosage. The optimum pH and adsorbent dosage for the adsorption of RB10 were pH 4-6 and 0.04 g, respectively. Both Langmuir and Brunauer, Emmett and Teller (BET) isotherm were determined as the appropriate model to describe the behaviour of the adsorption process. The maximum adsorption capacity was about 22 mg g -1 . The significant variables in affecting the RB 10 uptake was identified using the Plackett-Burman (PB) program.

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Chitosan beads coated with almond and walnut shells for the adsorption of gatifloxacin antibiotic compound from aqueous solutions

Dutta

Mala

Kyzas

2022

Environ Sci Pollut Res

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Guava Leaves as Adsorbent for the Removal of Emerging Pollutant: Ciprofloxacin from Aqueous Solution

Cited by 7 publications

References 21 publications

Removal of Brilliant Green Dye from Water Using Ficus benghalensis Tree Leaves as an Efficient Biosorbent

Removal of Brilliant Green Dye from Water Using Ficus benghalensis Tree Leaves as an Efficient Biosorbent

Effective removal of Reactive Brown 10 from aqueous solution by using chitosan beads: Batch and experimental design studies

Chitosan beads coated with almond and walnut shells for the adsorption of gatifloxacin antibiotic compound from aqueous solutions

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