Environanotechnology

CHAPTER 4

Capture of Carbon Dioxide by Modified Multiwalled Carbon Nanotubes

Chungsying Lu*, Bilen Wu*, Wenfa Chen*, Yu-Kuan Lin* and Hsunling Bai**

* Department of Environmental Engineering, National Chung Hsing University, 250 Kuo Kuang, Taichung, Taiwan

** Institute of Environmental Engineering, National Chiao Tung University, Hsinchu, Taiwan

Contents

1. Introduction

2. Materials and Methods

2.1. Adsorbents

2.2. Adsorption Experiment

2.3. Adsorption Capacity

2.4. Analytical Methods

3. Results and Discussion

3.1. Adsorption of CO₂ onto Various Modified Adsorbents

3.2. Characterizations of Raw and Modified CNTs

3.3. Breakthrough Curves