Preparation of Carbonized Kapok Fiber/Reduced Graphene Oxide Aerogel for Oil‐Water Separation | Zendy

Zhou Ji | Zendy; Du Enhui | Zendy; He Yu | Zendy; Fan Yunde | Zendy; Ye Yong | Zendy; Tang Bin | Zendy

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Preparation of Carbonized Kapok Fiber/Reduced Graphene Oxide Aerogel for Oil‐Water Separation

Author(s) -

Zhou Ji,

Du Enhui,

He Yu,

Fan Yunde,

Ye Yong,

Tang Bin

Publication year - 2020

Publication title -

chemical engineering and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.403

H-Index - 81

eISSN - 1521-4125

pISSN - 0930-7516

DOI - 10.1002/ceat.202000168

Subject(s) - aerogel , carbonization , graphene , sorption , oxide , materials science , chemical engineering , hexadecane , adsorption , wetting , composite number , composite material , chemistry , organic chemistry , nanotechnology , metallurgy , engineering

A carbonized composite aerogel was fabricated based on kapok fibers (KFs) and graphene oxide (GO) through hydrothermal and carbonizing reactions. The as‐prepared carbonized kapok fiber/reduced graphene oxide (CKF/RGO) aerogel exhibited special features including light weight, fire resistance, stable structure, hydrophobicity, and oleophilicity. The wettability of the KF/GO aerogel was transformed to hydrophobicity after carbonization, which provided the CKF/RGO aerogel with a distinct ability for oil‐water separation. The CKF/RGO aerogel was able to adsorb oil liquids up to 110 times of its own weight. The sorption capacity of the CKF/RGO aerogel was still higher than 90 % of the initial sorption capacity after eleven sorption‐combustion cycles of n ‐hexane solvent.

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