Luffa sponge-derived hierarchical meso/macroporous boron nitride fibers as superior sorbents for heavy metal sequestration

Li, Shun1,2; Liu, Fei1; Su, Yiping1; Shao, Ningning1; Yu, Dongfang1; Liu, Yong3; Liu, Weishu4; Zhang, Zuotai1

2019-10-15

10.1016/j.jhazmat.2019.05.062

JOURNAL OF HAZARDOUS MATERIALS   影响因子和分区

0304-3894

1873-3336

Boron nitride (BN) has received tremendous attention as a promising adsorbent material. However, unsatisfactory uptake capacities over heavy metal ions limit their practical applications. Herein, we have synthesized a novel hierarchical meso/macroporous BN fibers (MBNFs) via a simple carbothermal reduction method using luffa sponge as a template. The as-obtained MBNFs comprise densely arranged parallel macrochannels on a micrometer scale, with mesopores on the surface of the channel. The resulting MBNFs exhibited remarkable adsorption performance for different heavy metal ions including Cd2+, Zn2+, Cr3+, and Pb2+ with maximum uptake capacities as high as 2989, 1885, 723, and 453 mg/g, respectively. In particular, the adsorption capacity for Cd2+ and Zn2+ exceed the highest values reported for BN materials. In addition, the MBNFs showed excellent stability to re-use for a few times. The present MBNFs materials prepared using cheap and earth abundant luffa sponge may find broad applications such as adsorbent for environmental remediation applications.

Boron nitride Luffa sponge Hierarchical meso/macroporous Heavy metal adsorption

SCI ; EI

英语

第一 ; 通讯

Guangdong Provincial Key Laboratory of Soil and Groundwater Pollution Control[K18293901]

Engineering ; Environmental Sciences & Ecology

Engineering, Environmental ; Environmental Sciences

WOS:000489188300034

ELSEVIER

20192407049095

Adsorption ; Boron nitride ; Carbothermal reduction ; III-V semiconductors ; Metal ions ; Nitrides

Metallurgy and Metallography:531 ; Metallurgy:531.1 ; Chemical Operations:802.3 ; Inorganic Compounds:804.2

ENGINEERING

Web of Science

1.Southern Univ Sci & Technol, Sch Environm Sci & Engn, Guangdong Prov Key Lab Soil & Groundwater Pollut, Shenzhen 518055, Guangdong, Peoples R China
2.Southern Univ Sci & Technol, Acad Adv Interdisciplinary Studies, Shenzhen 518055, Peoples R China
3.Foshan Southern China Inst New Mat, Foshan 528200, Guangdong, Peoples R China
4.Southern Univ Sci & Technol, Dept Mat Sci & Engn, Shenzhen 518055, Guangdong, Peoples R China

Li, Shun,Liu, Fei,Su, Yiping,et al. Luffa sponge-derived hierarchical meso/macroporous boron nitride fibers as superior sorbents for heavy metal sequestration[J]. JOURNAL OF HAZARDOUS MATERIALS,2019,378.

Li, Shun.,Liu, Fei.,Su, Yiping.,Shao, Ningning.,Yu, Dongfang.,...&Zhang, Zuotai.(2019).Luffa sponge-derived hierarchical meso/macroporous boron nitride fibers as superior sorbents for heavy metal sequestration.JOURNAL OF HAZARDOUS MATERIALS,378.

Li, Shun,et al."Luffa sponge-derived hierarchical meso/macroporous boron nitride fibers as superior sorbents for heavy metal sequestration".JOURNAL OF HAZARDOUS MATERIALS 378(2019).