Low-Cost Route for Preparing Carbon-Silica Composite Mesoporous Material from Coal Gasification Slag: Synthesis, Characterization and Application in Purifying Dye Wastewater

被引：28

作者：

Liu, Shuo ^{[1
]}

Wei, Jilun ^{[2
]}

Chen, Xingtong ^{[1
]}

Ai, Weidong ^{[1
]}

Wei, Cundi ^{[1
]}

机构：

[1] Jilin Univ, Coll Mat Sci & Engn, Key Lab Automobile Mat, Minist Educ, Changchun 130025, Jilin, Peoples R China

[2] Arizona State Univ, Dept Chem, Coll Liberal Art & Sci, Tempe, AZ 85381 USA

来源：

ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING | 2020年 / 45卷 / 06期

关键词：

Coal slag; Low-cost preparation; Mesoporous carbon; Mesoporous silica; Dye adsorption; RESIDUAL CARBON; SURFACE-AREA; ADSORPTION; REMOVAL; BIOMASS; ACID;

D O I：

10.1007/s13369-020-04383-z

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The promotion of China's coal gasification industry has produced highly yielded coal gasification slag. This research utilized the coal gasification fine slag as raw material and successfully synthesized a carbon-silica composite mesoporous material with a specific surface area of 500 m(2)/g and pore volume of 0.54 cm(3)/g by simple acid leaching technology. The influence of reaction conditions on porosity was discussed in detail, and the optimal sample was characterized by N-2 adsorption/desorption analyzer, SEM, TEM and others. Also, by the methylene blue adsorption experiment, we confirmed that the maximum adsorption capacity of synthesized mesoporous material is 182.48 mg/g, showing that it can be envisioned as a competitive candidate for purification of textile industrial wastewater.

引用

页码：4647 / 4657

页数：11

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