Advanced searches left 3/3

Carbon Adsorption Kinetics - Europe PMC

Summarized by Plex Scholar
Last Updated: 23 January 2022

* If you want to update the article please login/register

Adsorption behavior of fluoroquinolone(ciprofloxacin) using zinc oxide impregnated activated carbon prepared from jack fruit peel: Kinetics and isotherm studies.

Ciprofloxacin is a pharmaceutical drug used to treat various tract infections. As an activated carbon infused with zinc oxide nanocomposite, Discarded Jack Fruit Peel is used as an activated carbon supplemented with zinc oxide nanocomposite. By analyzing the Fourier Transform InfraRed, Field Emission Scanning Electron Microscopy, and X-ray Diffraction characterization, the prepared activated carbon in this experiment was identified by determining their functional groups, morphological signatures, and nature of the adsorbent material's characterization. The Zinc oxide impregnated activated carbon model in the different designs has a maximum correlation with experimental results demonstrating double-layer adsorption, indicating that the process is chemisorption.

Source link: https://europepmc.org/article/MED/34919918


Linear and Non-linear Regression Analysis for the Adsorption Kinetics of SO2 in a Fixed Carbon Bed Reactor – A Case Study

The determination of SO2 adsorption on unburned carbons from lignite fly ash and activated carbons based on hard coal dust was determined by Kinetic parameters. On a heterogeneous surface, model experiments were carried out using the linear and non-linear regression scheme for the following models: pseudo first and second-order, intraparticle diffusion, and chemisorption. A certain universality of the χ2&&#;2 and HYBRID functions has been demonstrated, leading to the reduction of which have consistently led to the lowest SNE values for the indicated models.

Source link: https://europepmc.org/article/PPR/PPR427992


Hydrogen storage in purified multi-walled carbon nanotubes: gas hydrogenation cycles effect on the adsorption kinetics and their performance.

Utilizing the quartz crystal microbalance technique, the H 2 storage properties of the purified carbon nanotubes exposed to gas under pressures between 0. 39 and 13. 33 kPa were investigated at room temperature. During repeated cycles of gas exposure, the adsorption kinetics from the various purified MWCNTs were also investigated as a result of the H2 exposure pressure, as well as the result of these MWCNTs' results on the reversibility of the H 2 loading/unloading process.

Source link: https://europepmc.org/article/MED/34934831


Preparation and characterization of graphitic carbon nitrides/polyvinylidene fluoride adsorptive membrane modified with chitosan for Rhodamine B dye removal from water: Adsorption isotherms, kinetics and thermodynamics.

By the addition of chitosan from 49. 87% to 14. 7 percent, PCC membrane water flux increased from 49. 87% to 14. 7 percent. At the optimal conditions, the maximum RB removal rate was 72. 7 percent at 2 mg/L initial RB concentration, pH = 3,2 g, N 4 and 3% of chitosan at the maximum. The adsorption of RB into PCC was exothermic and spontaneous, according to the Thermodynamic parameters, resulting in the production of energy at the interface of solid/liquid. Hence, this novel membrane could be used as an effective adsorbent to remove RB dye from aqueous solutions.

Source link: https://europepmc.org/article/MED/34893266


The Use of High Surface Area Mesoporous-Activated Carbon from Longan Seed Biomass for Increasing Capacity and Kinetics of Methylene Blue Adsorption from Aqueous Solution.

With the experimental MB adsorption isotherms, three well-known adsorption models, namely the Langmuir, Freundlich, and Redlich-Peterson equations, were tested, and the Redlich-Peterson model provided the most accurate representation of the isotherm data, according to the studies. The initial pH of a MB solution had virtually no effect on the adsorption capacity and removal rate of the methylene blue dye, although the methylene blue dye's initial pH had virtually no effect on the adsorption capacity and removal efficiency of the methylene blue dye. Increasing temperature across the entire range from 35 to 55 degrees C exacerbated methylene blue's adsorption, which could be attributed to the increase in the adsorption rate of methylene blue to the adsorption sites that could improve the adsorbent surface and the adsorbate molecules. In view of the adsorption kinetics and capacity, both carbons were used for the removal of MB from an aqueous solution, the mesoporous carbon was superior to the microporous carbon.

Source link: https://europepmc.org/article/MED/34770928

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions