Preparation of Nano-Porous Carbon-Silica Composites and Its Adsorption Capacity to Volatile Organic Compounds

Lipei Fu; Jiahui Zhu; Weiqiu Huang; Jie Fang; Xianhang Sun; Xinya Wang; Kaili Liao

LAPSE

Living Archive for Process Systems Engineering

LAPSE:2020.0516

Published Article

LAPSE:2020.0516

Preparation of Nano-Porous Carbon-Silica Composites and Its Adsorption Capacity to Volatile Organic Compounds

Lipei Fu, Jiahui Zhu, Weiqiu Huang, Jie Fang, Xianhang Sun, Xinya Wang, Kaili Liao

May 22, 2020

Carbon-silica composites with nanoporous structures were synthesized for the adsorption of volatile organic compounds (VOCs), taking tetraethyl orthosilicate (TEOS) as the silicon source and activated carbon powder as the carbon source. The preparation conditions were as follows: the pH of the reaction system was 5.5, the hydrophobic modification time was 50 h, and the dosage of activated carbon was 2 wt%. Infrared spectrum analysis showed that the activated carbon was dispersed in the pores of aerogel to form the carbon-silica composites material. The static adsorption experiments, dynamic adsorption-desorption experiments, and regeneration experiments show that the prepared carbon-silica composites have microporous and mesoporous structures, the adsorption capacity for n-hexane is better than that of conventional hydrophobic silica gel, and the desorption performance is better than that of activated carbon. It still has a high retention rate of adsorption capacity after multiple adsorption-desorption cycles. The prepared carbon-silica composites material has good industrial application prospects in oil vapor recovery, providing a new alternative for solving organic waste gas pollution.

Record ID

LAPSE:2020.0516

Keywords

Adsorption, carbon-silica composites, dynamic adsorption, regenerating property, volatile organic compounds (VOCs)

Subject

Materials

Suggested Citation

Fu L, Zhu J, Huang W, Fang J, Sun X, Wang X, Liao K. Preparation of Nano-Porous Carbon-Silica Composites and Its Adsorption Capacity to Volatile Organic Compounds. (2020). LAPSE:2020.0516

Author Affiliations

Fu L: School of Petroleum Engineering, Changzhou University, Changzhou 213164, China; Jiangsu Key Laboratory of Oil & Gas Storage and Transportation Technology, Changzhou University, Changzhou 213164, China
Zhu J: School of Petroleum Engineering, Changzhou University, Changzhou 213164, China; Jiangsu Key Laboratory of Oil & Gas Storage and Transportation Technology, Changzhou University, Changzhou 213164, China
Huang W: School of Petroleum Engineering, Changzhou University, Changzhou 213164, China; Jiangsu Key Laboratory of Oil & Gas Storage and Transportation Technology, Changzhou University, Changzhou 213164, China
Fang J: School of Petroleum Engineering, Changzhou University, Changzhou 213164, China; Jiangsu Key Laboratory of Oil & Gas Storage and Transportation Technology, Changzhou University, Changzhou 213164, China
Sun X: School of Petroleum Engineering, Changzhou University, Changzhou 213164, China; Jiangsu Key Laboratory of Oil & Gas Storage and Transportation Technology, Changzhou University, Changzhou 213164, China
Wang X: School of Petroleum Engineering, Changzhou University, Changzhou 213164, China; Jiangsu Key Laboratory of Oil & Gas Storage and Transportation Technology, Changzhou University, Changzhou 213164, China
Liao K: School of Petroleum Engineering, Changzhou University, Changzhou 213164, China; Jiangsu Key Laboratory of Oil & Gas Storage and Transportation Technology, Changzhou University, Changzhou 213164, China

Journal Name

Processes

Volume

8

Issue

3

Article Number

E372

Year

2020

Publication Date

2020-03-23