Question

Find and read a recent paper in the scientific literature that sounds interesting to you and which common thermodynamic parameters (i.e., H, S, G, or Cp …) have been measured or computed. (A) Record the reference (citation) to this scientific paper. (B) Summarize the significance of the paper in one paragraph. (C) List the thermodynamic parameters determined and what methods were used to measure or compute the thermodynamics presented in the paper. It is recommended that you make a web-accessible (publicly available) shared link to a pdf electronic version of the paper. This can be done from any of the commonly used cloud-storage services, i.e., Dropbox, Google Drive, Amazon Drive, Box, etc

Answer 1

(A) Are the thermodynamic parameters correctly estimated in liquid-phase adsorption phenomena?

Ioannis Anastopoulos, ⁎, George Z. Kyzas

https://doi.org/10.1016/j.molliq.2016.02.059

(B) Thermodynamic study are basic tool in adsorption–adsorbate systems providing information about the feasibility (spontaneity), exo- or endo-thermicity of the adsorption and explain whether or not the randomness increase or decrease at the solid–solution interface. According to a literature survey, there are many ways to estimate the thermodynamic parameters; however there are ambiguity and mixed views focuses on the right use aforementioned ways. Future work should be focus on the following points: (i) in case of free energy Gibbs calculation, It must be elucidate the units of K equilibrium constant (dimensionless or not), (ii) if KL Langmuir constant will be used in Gibbs's equation, the units of KL should be defined and (iii) new ways must be found in order to estimate the ΔS0 and ΔH0 due to the observed enthalpy–entropy compensation since both ΔS0 and ΔH0 are not calculated independently

(C) The thermodynamic parameters determined were T (K) , ΔG0 (kJ/mol) ,ΔΗ0 (kJ/mol), ΔS0 (kJ/mol K)

The methods that were used to measure or compute the thermodynamics presented in the paper were Adsorption isotherms models are extensively used to provide information about the amount of adsorbed ion by a certain biomass and about the interaction between the adsorbents and adsorbate and three basic approaches, an extensive diversity of equilibrium isotherm models (Langmuir, Freundlich, Brunauer– Emmett–Teller, Redlich–Peterson, Dubinin–Radushkevich, Temkin, Toth, Koble–Corrigan, Sips, Khan, Hill, Flory–Huggins and Radke–Prausnitz isotherm).