Adsorptive removal of methyl orange dye from aqueous solution using populous leaves: Insights from kinetics, thermodynamics and computational studies

Shah, Shahid S.; Sharma, Taniya; Dar, Bashir Ahmad; Bamezai, Rajinder K.

doi:10.1016/j.enceco.2021.05.002

Cited by 56 publications

(16 citation statements)

References 58 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The water samples A, B and C, is have shown a significant change of heavy metals based on the AAS result hence, Ar is completely removed from the water samples as a result. Cd which is queried has been removed significantly in Samples A, B and C with the most efficient adsorbent being ZnO/DTLAC further confirming that adsorbents impregnation improves the efficiency of the adsorbent, this finding agrees with other studies [50][51][52]. In sample C, which was initially harboring the highest concentration of Cd, it can be observed that the concentration is within the maximum permitted limits of 0.003 mg/l from Table 5.…”

Section: Water Analysissupporting

confidence: 88%

“…A dimensionless characteristic of Langmuir isotherm termed as the separation factor (RL) [50] is useful to predicts the adsorption efficiency of the adsorption process and shows the suitability of Langmuir isotherm as unfavorable (RL>1), linear (RL=1), favorable (0 < RL< 1) or irreversible (RL=0) [47]. Moreover, the Langmuir isotherm suitability was indicated by the favorable separation factor (RL) values gotten as 0.27.…”

Section: Adsorption Isotherm Studymentioning

confidence: 99%

See 1 more Smart Citation

Utilization of Date Tree Leaves Biomass for the Removal of Heavy Metals from Water

Silas¹,

Ngulde²,

Mohammed³

2022

J. Engg. Res. & Sci.

View full text Add to dashboard Cite

Section: Water Analysissupporting

confidence: 88%

Section: Adsorption Isotherm Studymentioning

confidence: 99%

Utilization of Date Tree Leaves Biomass for the Removal of Heavy Metals from Water

Silas¹,

Ngulde²,

Mohammed³

2022

J. Engg. Res. & Sci.

View full text Add to dashboard Cite

“…It has proven to be an exceptionally stable molecule, 38) more difficult to degrade than MB, 6,29) and is commonly used in textile, pharmaceutical, food industries, etc. 39,40) The set-up experiment was like the previous study. To analyze the effect of concentration, the experiments were carried out with 20 mL of aqueous MO solution at 100, 200, 300 and 400 µM (C 14 H 14 N 3 NaO 3 S, Fermont) and the kinetics were monitored from 0 to 120 min.…”

Section: Photocatalysis Studies Methyl-orange (Mo) Degradationmentioning

confidence: 99%

Photocatalytic Degradation of Methylene Blue (MB) and Methyl Orange (MO) by the Highly Oxidative Properties of SnO2–Sb2O3 Particles

et al. 2022

View full text Add to dashboard Cite

SnO 2 Sb 2 O 3 particles, with various Sb 2 O 3 mole fraction (x) ranging from 0 to 1, have been synthesized by a sol-gel method. Tin oxalate and antimony chloride were used as the metal precursors, water as the solvent, citric acid as the pH modifier, and triethanolamine as a stabilizing agent. The effect of the chemical composition of the synthesized catalyst on the photocatalytic degradation of methylene blue (MB) and methyl orange (MO) was evaluated. It was established that a SnO 2 Sb 2 O 3 (Sb 2 O 3 mole fraction of x = 0.15) catalyst presents a highly oxidative power to degrade a 20 µM MB solution until 98.60%, using a UV lamp of 254 nm and 6 W. The kinetics of the SnO 2 Sb 2 O 3 (x = 0.15) photocatalytic oxidation was monitored as a function of the initial concentration of MO (100, 200, 300, and 400 µM) at different reaction times. It was found that the reaction probably presents a pseudo-first-order kinetic model. The effect of the intensity of the power lamp was studied, finding an increment from 16.32 to 98.42%, for UV lamps of 6 W and 72 and 1200 mW cm ¹2 , respectively. Finally, the effect of temperature (298, 318, 328 and 338 K) was analyzed, and the activation energy from Ea = 7.2 kcal mol ¹1 was determined.

show abstract

“…Meanwhile, the common anionic azo dye, methyl orange (MO), is widely used in textile and other industries ,− and is released in large quantities into surface and underground waters. As a result of its content of aromatic and azo groups, MO is toxic and carcinogenic .…”

Section: Introductionmentioning

confidence: 99%

Effect of Methyl Orange on the Hydrogen Wettability of Sandstone Formation for Enhancing the Potential of Underground Hydrogen Storage

et al. 2023

View full text Add to dashboard Cite

Hydrogen is expected to play a significant role as a clean energy carrier. However, the development of a hydrogen economy requires the use of large amounts of hydrogen; therefore, large-scale hydrogen storage is a considerable problem that needs to be resolved. Hydrogen can be stored underground in aquifers, salt caverns, depleted oil and gas reservoirs, and coal seams. In this context, wettability is a critical parameter in determining the containment security, storage capacity, fluid dynamics, and withdrawal rate during underground hydrogen geo-storage operations. Meanwhile, the toxic soluble dye, methyl orange (MO), is widely used in the textile and other industries and released in large quantities into the surface and subsurface waters. Hence, in the present study, the use of MO to alter the wettability of reservoirs in favor of hydrogen geo-storage is investigated. To this end, model oil-wet rock surfaces are prepared by aging quartz substrates with stearic acid and then treating them with various amounts of aqueous MO for 1 week at 50 °C. The brine contact angles on these model surfaces are then measured in a hydrogen environment under various reservoir conditions to demonstrate that the MO treatment makes the surface more hydrophilic. Moreover, the contact angle is seen to increase significantly with the increase in the temperature, pressure, and salinity. In addition, the importance of pH is assessed, and various brines (NaCl, KCl, MgCl 2 , and CaCl 2 ) are compared. The proposed treatment is expected to improve the hydrogen trapping efficiency of sandstone reservoirs while simultaneously providing a safe disposal route for MO via deep well injection.

show abstract

Adsorptive removal of methyl orange dye from aqueous solution using populous leaves: Insights from kinetics, thermodynamics and computational studies

Cited by 56 publications

References 58 publications

Utilization of Date Tree Leaves Biomass for the Removal of Heavy Metals from Water

Utilization of Date Tree Leaves Biomass for the Removal of Heavy Metals from Water

Photocatalytic Degradation of Methylene Blue (MB) and Methyl Orange (MO) by the Highly Oxidative Properties of SnO<sub>2</sub>–Sb<sub>2</sub>O<sub>3</sub> Particles

Effect of Methyl Orange on the Hydrogen Wettability of Sandstone Formation for Enhancing the Potential of Underground Hydrogen Storage

Contact Info

Product

Resources

About