Adsorption isotherm, kinetics and thermodynamic of acid blue and basic blue dyes onto activated charcoal

Ali, Farman; Ali, Nisar; Bibi, Iram; Said, Amir; Nawaz, Shahid; Ali, Zarshad; Salman, Syed Muhammad; Iqbal, Hafiz M.N.; Bilal, Muhammad

doi:10.1016/j.cscee.2020.100040

Cited by 53 publications

(15 citation statements)

References 32 publications

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“…Activated charcoal was usually used as adsorbent on pollutant remediation. Activated charcoal could adsorb acid blue and basic blue within maximum adsorption capacity was 151.3 mg/g by using 10 mg adsorbent dosage [28]. While Iqbal and Ashiq [29] evaluated that activated charcoal could absorbed dyes such as: bromophenol blue, alizarine red-S, methyl blue, MB, eriochrome black-T, malachite green, phenol red and methyl violet.…”

Section: Mb Decolorization By Different Adsorbentsmentioning

confidence: 99%

The Addition of Different Adsorbents In SA-PVA Matrix For Bacillus Subtilis Immobilization on Methylene Blue Decolorization

Rohmah

Purnomo

Asranudin

2022

IOP Conf. Ser.: Earth Environ. Sci.

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Wastewater which is not handled by a proper treatment before released in the water body, can cause damage for aquatic biota and its environment. MB is a synthetic textile dye which is toxic and difficult to degrade. Bioremediation by decolorization using microbes such as bacteria is one of the best methods for dye removal. By immobilizing Bacillus subtilis bacterium in an appropriate matrix, it could have more advantage on dye decolorization than by free cell only. The sodium alginate (SA) and polyvinyl alcohol (PVA) are well known as good matrix for decolorization. Besides the addition of B. subtilis in the SA-PVA matrix, the addition of adsorbents could enhance the decolorization. In this study, different adsorbents: bentonite, activated charcoal, kaolin, and corncob powder were investigated for influencing MB decolorization by immobilized B. subtilis in SA-PVA matrix. The result showed that the highest MB decolorization was reached by SA-PVA-B. subtilis with the presence of activated charcoal by approximately 88% of 100 mg/L, followed by the addition of bentonite (82%), kaolin (80%), and corncob powder (79%). The MB decolorization by SA-PVA-Activated charcoal-B. subtilis reached optimum condition at temperature 35 °C, 24 h incubation time in static condition.

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Section: Mb Decolorization By Different Adsorbentsmentioning

confidence: 99%

The Addition of Different Adsorbents In SA-PVA Matrix For Bacillus Subtilis Immobilization on Methylene Blue Decolorization

Rohmah

Purnomo

Asranudin

2022

IOP Conf. Ser.: Earth Environ. Sci.

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“…350 mL of solution was poured inside the reactor in the presence of UV lamps and ozone. After that, the effects of various dye concentrations (25, 50, 75, 100 mg/L), different pH's [4 , 7 , 9 , 11] , and different times in removal of the dye efficiency (5, 10, 15, 20, 25, 30, 35, 40 min) were investigated. The various processes effects such as SOP, COP, photolysis and photocatalysis were investigated.…”

Section: Reactor Design and The Process Operationmentioning

confidence: 99%

“…Hence, removal of azo dyes from textile industry wastewater is so necessary. Lately, a lot of physical, chemical and biological methods [5 , 6] such as adsorption [7] , [8] , [9] , [10] , [11] , [12] , [13] , electrocoagulation [14] , [15] , [16] , [17] , activated sludge [18] , photochemical [19] , [20] , [21] , [22] , [23] , [24] , [25] , [26] , [27] , [28] , [29] , [30] , [31] ), oxidation [30] , [31] , [32] , [33] , [34] , trickling filter [35] and membrane processes [36] have used for the azo dyes, organic and inorganic pollutants removal from the environment. However, these methods have some problems [23] such as the toxics production expensive facilities and high maintenance and operation costs.…”

Section: Introductionmentioning

confidence: 99%

Hybrid UV/COP advanced oxidation process using ZnO as a catalyst immobilized on a stone surface for degradation of acid red 18 dye

et al. 2020

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Azo dyes are the largest group of synthetic organic dyes which containing the linkage C—N N—C and used in various industries such as textile industries leather articles, and some foods. Azo dyes are resistant compounds against the biodegradation processes. The purpose of this research was hybrid UV/COP advanced oxidation process using ZnO as a catalyst immobilized on a stone surface for degradation of acid red 18 (AR18) Dye. In the hybrid process using some parameters such as the dye initial concentration, pH, contact time and catalyst concentration, the process efficiency was investigated. In order to the dye removal, the sole ozonation process (SOP), catalytic ozonation process (COP) and photocatalytic process (UV/ZnO) were used. The ZnO nanoparticles were characterized by XRD, SEM and TEM analyses. The maximum dye removal was achieved 97% at the dye initial concentration 25 mg/L, catalyst concentration 3 g/L, contact time 40 min and pH 5. As a real sample, the Yazdbaf textile factory wastewater was selected. After that, the physicochemical quality was evaluated. As well as, in the optimal conditions, the AR18 dye removal efficiency was achieved 65%. The kinetic results demonstrated that the degradation reaction was fitted by pseudo -first-order kinetic. The UV/COP hybrid process had high efficiency for removal of resistant dyes from the textile wastewater. Advantages of this technique were as follows: ZnO nanoparticles were synthesized as catalyst by thermal method and were immobilized on the stones. pH changes had no significant effect on the removal efficiency. In the kinetic studies, the decomposition reaction followed pseudo -first order kinetic.

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“…The presence of chemically stable and non-biodegradable dyes in high concentrations in water bodies represents a serious threat to the environment and living beings [3]. The colored effluent diminishes the penetration of sunlight and solubility of gas, interferes with the photosynthesis, increased chemical oxygen demand, and biological oxygen demand and more turbidity affect the aquatic biota [4]. Apart from the environmental effects, the organic dyes cause health hazards to human such as vomiting, respiratory tract irritation, increased heart rate, allergy, liver, and kidney damage, problems in the central nervous system, alteration in DNA structure consequence to induced lesions and cancer, gene mutation [5].…”

Section: Introductionmentioning

confidence: 99%

Process Optimization and Adsorptive Mechanism for Reactive Blue 19 Dye by Magnetic Crosslinked Chitosan/MgO/Fe3O4 Biocomposite

et al. 2022

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A new biocomposite magnetic crosslinked glutaraldehyde-chitosan/MgO/Fe3O4 (CTS-GL/MgO/Fe3O4) adsorbent was prepared and applied for the removal of reactive blue 19 (RB 19) synthetic textile dye. The prepared CTS-GL/MgO/Fe3O4 was subjected to the several instrumental characterizations such as XRD, FTIR, SEM-EDX, pH-potentiometric titration, and pHpzc analyses. The influence of the input adsorption parameters such as A: CTS-GL/MgO/Fe3O4 dosage, B: initial solution pH, C: process temperature, and D: contact time on RB 19 removal efficiency was statistically optimized using Box-Behnken design (BBD). The analysis of variance (ANOVA) indicates the presence of five significant statistical interactions between input adsorption parameters i.e. (AB, AC, AD, BC, and BD). The adsorption kinetic and equilibrium study reveals a good to the pseudo-second-order model, and multilayer adsorption as proven by Freundlich isotherm model, respectively. The maximum adsorption capacity of CTS-GL/MgO/Fe3O4 towards RB19 was found to be 193.2 mg/g at 45 ºC. This work highlights the development of feasible and recoverable magnetic biocompsite adsorbent with desirable adsorption capacity towards textile dyes with good separation ability by using an external magnetic field.

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Adsorption isotherm, kinetics and thermodynamic of acid blue and basic blue dyes onto activated charcoal

Cited by 53 publications

References 32 publications

The Addition of Different Adsorbents In SA-PVA Matrix For Bacillus Subtilis Immobilization on Methylene Blue Decolorization

The Addition of Different Adsorbents In SA-PVA Matrix For Bacillus Subtilis Immobilization on Methylene Blue Decolorization

Hybrid UV/COP advanced oxidation process using ZnO as a catalyst immobilized on a stone surface for degradation of acid red 18 dye

Process Optimization and Adsorptive Mechanism for Reactive Blue 19 Dye by Magnetic Crosslinked Chitosan/MgO/Fe3O4 Biocomposite

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