Novel Ti3C2Tx MXene wrapped wood sponges for fast cleanup of crude oil spills by outstanding Joule heating and photothermal effect

被引：120

作者：

Wang, Pei-Lin ^{[1
]}

Ma, Chang ^{[1
]}

Yuan, Qi ^{[1
]}

Mai, Tian ^{[1
]}

Ma, Ming-Guo ^{[1
]}

机构：

[1] Beijing Forestry Univ, Coll Mat Sci & Technol, Engn Res Ctr Forestry Biomass Mat & Bioenergy, Res Ctr Biomass Clean Utilizat,Beijing Key Lab Li, Beijing 100083, Peoples R China

来源：

JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2022年 / 606卷

关键词：

Wood sponge; MXene; Crude oil spills; Joule heat; Photothermal effect; ALL-WEATHER CLEANUP; SUPERHYDROPHOBIC SPONGE; OIL/WATER SEPARATION; EFFICIENT; ABSORPTION; RECOVERY; HEAVY;

D O I：

10.1016/j.jcis.2021.08.092

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Remediation of crude oil spills is a great challenge owing to the poor mobility and high viscosity of crude oil. Herein, a porous polydimethylsiloxane@wood sponge/MXene (PDMS@WSM) with outstanding compressibility and hydrophobic/lipophilic ability was demonstrated as crude oil absorbent. The surface temperature of PDMS@WSM could quickly rise to 80 degrees C with a working voltage of 4 V and to 66 degrees C under simulated sunlight irradiation of 1.5 KW m(2), respectively. Due to the excellent Joule heating and photothermal conversion effect, the PDMS@WSM displayed maximum adsorption capacity of 11.2x10(5) g m(3) within 6 min. The PDMS@WSM showed preferable reusability and cycle stability because of its brilliant compressibility. Moreover, the oil-collecting device based on PDMS@WSM could continuously collect crude oil spills, achieving an active collection of 25 mL crude oil within 150 s. Therefore, the porous PDMS@WSM absorbent exhibited great potential for crude oil spills remediation, energy regulation, and desalination of hypersaline water. (C) 2021 Elsevier Inc. All rights reserved.

引用

页码：971 / 982

页数：12

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