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Interactions between adsorbents and adsorbates in aqueous solutions

  • Zhijian Wu EMAIL logo , Xiushen Ye , Haining Liu , Huifang Zhang , Zhong Liu , Min Guo , Quan Li and Jun Li
Published/Copyright: August 4, 2020
Pure and Applied Chemistry
From the journal Pure and Applied Chemistry Volume 92 Issue 10

Abstract

Adsorption is one of the most widely used processes in physicochemical operations. To design an adsorbent for a specific adsorbate, it is important to understand the interactions between adsorbents and adsorbates, which are very important for both adsorption capacity and selectivity. Electrostatic interactions, hydrogen bonding, hydrophobic interactions, complexation, and precipitation are comprehensively discussed. Adjusting solution pH and ionic strength is an effective method to improve the adsorption, especially when electrostatic and hydrophobic interactions are main interactions. With the increase in ionic strength, the hydrophobic interactions between adsorbents and adsorbates increase, while the electrostatic interactions decrease.

Keywords: Adsorption; complexation; electrostatic interaction; hydrogen bonding; hydrophobic interaction; ICSC-36; precipitation

Article note:

A collection of invited papers based on presentations at the 36th International Conference of Solution Chemistry (ICSC-36), held in Xining, China, 4–8 August 2019.

Corresponding author: Zhijian Wu, Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining, 810008, China; and Key Laboratory of Salt Lake Resources Chemistry of Qinghai Province, Xining, 810008, China, e-mail:

Funding source: Qinghai Provincial Science and Technology Project, China

Award Identifier / Grant number: 2019-ZJ-903

Award Identifier / Grant number: 2018-HZ-807

Award Identifier / Grant number: 2018-GX-121

Funding source: Thousand Talent Program of Qinghai Province

Funding source: Chinese Academy of Sciences

  1. Funding: This work was financially supported by Qinghai Provincial Science and Technology Project, China (2019-ZJ-903, 2018-HZ-807, 2018-GX-121), Thousand Talent Program of Qinghai Province, China, Hundred Talent Program of Chinese Academy of Sciences.

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Published Online: 2020-08-04
Published in Print: 2020-10-25

© 2020 IUPAC & De Gruyter. This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. For more information, please visit: http://creativecommons.org/licenses/by-nc-nd/4.0/

Articles in the same Issue

  1. Frontmatter
  2. In this issue
  3. Preface
  4. Selected papers from the 36th International Conference on Solution Chemistry (ICSC-36)
  5. Conference papers
  6. Using computational chemistry to explore experimental solvent parameters – solvent basicity, acidity and polarity/polarizability
  7. Solution chemistry in the surface region of aqueous solutions
  8. Water confined in solutions of biological relevance
  9. Real-time in-situ 1H NMR of reactions in peptide solution: preaggregation of amyloid-β fragments prior to fibril formation
  10. Free energy profile of permeation of Entecavir through Hepatitis B virus capsid studied by molecular dynamics calculation
  11. Dielectric relaxation spectroscopy: an old-but-new technique for the investigation of electrolyte solutions
  12. Excess spectroscopy and its applications in the study of solution chemistry
  13. Structure of aqueous sodium acetate solutions by X-Ray scattering and density functional theory
  14. Desymmetrization in geometry optimization: application to an ab initio study of copper(I) hydration
  15. Interactions between adsorbents and adsorbates in aqueous solutions
  16. Modeling vapor-liquid-liquid-solid equilibrium for acetone-water-salt system
  17. Apparent molar volumes of sodium arsenate aqueous solution from 283.15 K to 363.15 K at ambient pressure: an experimental and thermodynamic modeling study
  18. Extraction of various metal ions by open-chain crown ether bridged diphosphates in supercritical carbon dioxide
  19. Solvation heterogeneity in ionic liquids as demonstrated by photo-chemical reactions
  20. The structure and composition of solid complexes comprising of Nd(III), Ca(II) and D-gluconate isolated from solutions relevant to radioactive waste disposal
  21. Separation of phenols from oils using deep eutectic solvents and ionic liquids
https://doi.org/10.1515/pac-2019-1110
Keywords for this article
Adsorption; complexation; electrostatic interaction; hydrogen bonding; hydrophobic interaction; ICSC-36; precipitation

Articles in the same Issue

  1. Frontmatter
  2. In this issue
  3. Preface
  4. Selected papers from the 36th International Conference on Solution Chemistry (ICSC-36)
  5. Conference papers
  6. Using computational chemistry to explore experimental solvent parameters – solvent basicity, acidity and polarity/polarizability
  7. Solution chemistry in the surface region of aqueous solutions
  8. Water confined in solutions of biological relevance
  9. Real-time in-situ 1H NMR of reactions in peptide solution: preaggregation of amyloid-β fragments prior to fibril formation
  10. Free energy profile of permeation of Entecavir through Hepatitis B virus capsid studied by molecular dynamics calculation
  11. Dielectric relaxation spectroscopy: an old-but-new technique for the investigation of electrolyte solutions
  12. Excess spectroscopy and its applications in the study of solution chemistry
  13. Structure of aqueous sodium acetate solutions by X-Ray scattering and density functional theory
  14. Desymmetrization in geometry optimization: application to an ab initio study of copper(I) hydration
  15. Interactions between adsorbents and adsorbates in aqueous solutions
  16. Modeling vapor-liquid-liquid-solid equilibrium for acetone-water-salt system
  17. Apparent molar volumes of sodium arsenate aqueous solution from 283.15 K to 363.15 K at ambient pressure: an experimental and thermodynamic modeling study
  18. Extraction of various metal ions by open-chain crown ether bridged diphosphates in supercritical carbon dioxide
  19. Solvation heterogeneity in ionic liquids as demonstrated by photo-chemical reactions
  20. The structure and composition of solid complexes comprising of Nd(III), Ca(II) and D-gluconate isolated from solutions relevant to radioactive waste disposal
  21. Separation of phenols from oils using deep eutectic solvents and ionic liquids
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