Page 9 - Adsorbents fundamentals and applications

vi CONTENTS

3.1.4. Diffusion in Micropores: Concentration Dependence
and Predicting Mixed Diffusivities / 23
3.2. Temperature Swing Adsorption and Pressure Swing
Adsorption / 27
3.2.1. Temperature Swing Adsorption / 28
3.2.2. Pressure Swing Adsorption / 30
3.3. Simple Criteria for Sorbent Selection / 40
References / 49

4 Pore Size Distribution 54

4.1. The Kelvin Equation / 54
4.2. Horv´ ath–Kawazoe Approach / 55
4.2.1. The Original HK Slit-Shaped Pore Model / 57
4.2.2. Modified HK Model for Slit-Shaped Pores / 60
4.2.3. Modified Model for Cylindrical Pores / 68
4.3. The Integral Equation Approach / 74
References / 76

5 Activated Carbon 79
5.1. Formation and Manufacture of Activated Carbon / 79
5.2. Pore Structure and Standard Tests for Activated Carbon /
82
5.3. General Adsorption Properties / 84
5.4. Surface Chemistry and Its Effects on Adsorption / 86
5.4.1. Effects of Surface Functionalities on Gas
Adsorption / 89
5.5. Adsorption from Solution and Effects of Surface
Functionalities / 92
5.5.1. Adsorption from Dilute Solution (Particularly
Phenols) / 93
5.5.2. Effects of Surface Functionalities on
Adsorption / 99
5.6. Activated Carbon Fibers / 104
5.6.1. Adsorption Isotherms / 109
5.7. Carbon Molecular Sieves / 109
5.7.1. Carbon Deposition Step / 114
5.7.2. Kinetic Separation: Isotherms and
Diffusivities / 115
5.7.3. Carbon Molecular Sieve Membranes / 117
References / 123