Adsorption properties of carbonized Sargassum algae

Parra, Abigail Parra; Aguilar, P.A. Márquez; Semjonova, Jekaterina; Nava, Manuel Eduardo Serrano; Власова, М.

doi:10.1557/s43580-022-00407-y

Cited by 2 publications

(1 citation statement)

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“…Activated carbon is treated with surfactants to create a strong bond with water, increasing the dispersion and solubility of AC in water(6). The period of adsorption depends on how well the thermodynamic and adsorbent mass transfer work (36)(37)(38). Marine algae known as seabed have large metal binding capabilities because they feature polysaccharides, proteins, or lipids on the surface of the cell wall that contain functional groups like amino, hydroxyl, carboxy, and sulphate that can serve as binding sites for metals (39)(40)(41).…”

Section: Introductionmentioning

confidence: 99%

Experimental and Computational Studies of Nitric Acid Treated Natural Sargassum Algae for Efficient Removal of Crystal-Violet Dye

Mohamed,

Hamza,

Tawfik

et al. 2023

Journal of the Turkish Chemical Society Section A: Chemistry

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In this work, crystal-violet (CV) dye was removed using a chemical carbonization process to create carbonized sargassum algae (CSA), which poses less environmental danger. The produced CSA is examined using a scanning electron microscope and a Fourier-Transform Infrared spectrometer. The following parameters were measured: pH, contact duration, temperature, adsorbent concentration, and starting CV dye concentration. The highest removal % was recorded as 91.17%. at pH 7, 3 hours, 25 °C, 0.01 g of adsorbent dosage, and 100 mg/L initial dye concentration. The kinetic testing indicated that pseudo-second-order was the most effective kinetic model for CV adsorption. According to the isotherms for the adsorption of CV dye, the Langmuir constant (K) was used to measure thermodynamic properties like free enthalpy (H), entropy (S), and energy (G). The Freundlich model, followed by Temkin models, best described the data. The earlier research is supported by computational studies like molecular dynamics (MD) simulation and Monte Carlo (MC) simulation.

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