Equilibrium and kinetic modelling of adsorption of Rhodamine B on MoS2
Source abstract
Abstract
Abstract The recent emergence of layered MoS2, which is an earth-abundant material, has gained increasing attention in various fields. In this work, MoS2 is fabricated via a simple hydrothermal method with different sulfur precursors. The effect of S source on the morphologies and adsorption capacities of Rhodamine B (RhB) onto MoS 2 were investigated. The results indicated that the MoS2 prepared by CH4N2S exhibited the highest adsorption capacity. The N2 sorption isotherm indicated that the as-prepared MoS2-CH4N2 S is a mesoporous microsphere . In addition, the adsorption process can be well described by the Langmuir isotherm model and the pseudo second-order model. The intra-particle diffusion model was also employed to analyze the adsorption mechanisms, which demonstrated that the intra-particle diffusion within the mesopores played an important role in the overall adsorption process. Based on these results, MoS 2-CH4N2S obtained in this work can be served as a promising candidate for dye removal in wastewater.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced Photocatalysis Techniques · 2D Materials and Applications · Covalent Organic Framework Applications
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