Preparation Process of Attapulgite/Nano Iron Composite and its Removal Application to Methylene Blue

HE Guangxi; ZHU Xiaping; WANG Hong; ZHAO Ping; REN Wei

doi:10.3969/j.issn.1000-6532.2024.02.002

2024 No. 2

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Article navigation > Multipurpose Utilization of Mineral Resources > 2024 > 45(2): 8-15, 22

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HE Guangxi, ZHU Xiaping, WANG Hong, ZHAO Ping, REN Wei. Preparation Process of Attapulgite/Nano Iron Composite and its Removal Application to Methylene Blue[J]. Multipurpose Utilization of Mineral Resources, 2024, 45(2): 8-15, 22. doi: 10.3969/j.issn.1000-6532.2024.02.002

Citation:

HE Guangxi, ZHU Xiaping, WANG Hong, ZHAO Ping, REN Wei. Preparation Process of Attapulgite/Nano Iron Composite and its Removal Application to Methylene Blue[J]. Multipurpose Utilization of Mineral Resources, 2024, 45(2): 8-15, 22. doi: 10.3969/j.issn.1000-6532.2024.02.002

Preparation Process of Attapulgite/Nano Iron Composite and its Removal Application to Methylene Blue

1.
College of Materials and Chemistry and Chemical Engineering, Chengdu University of Technology, Chengdu 610059, Sichuan, China
2.
105 Geological Brigade, Guizhou Bureau of Geology & Mineral Exploration & Development, Guiyang 550018, Guizhou, China

More Information

Corresponding author: ZHU Xiaping, zhuxiaping@cdut.edu.cn

Received Date: 02 September 2022

Publish Date: 25 April 2024

Abstract

Abstract

This is an article in the field of ceramics and composites. Methylene blue is a typical pollutant industrial wastewater.It will bring great harm to the water body if it is discharged arbitrarily without treatment. We prepared a kind of attapulgite/nano iron composite (DDBAC/ATP/nZVI), that the attapulgite was roasted, organic modified and then loaded with nano iron (nZVI) by liquid-phase reduction. The optimum preparation process is obtained: attapulgite raw soil is calcined at 300 ℃ for 1.5 h, 20 mmol/100 g benzalkonium chloride(DDBAC)is added, then ultrasonic is used for 20 min, and then nano iron is loaded by liquid-phase reduction method. The ratio of iron to soil is 1:3, KBH₄ concentration is 0.25 mol/L and reaction time is 3 h. The XRD, FTRI, SEM, XPS, BET confirm that DDBAC and nano iron are successfully loaded on the surface of attapulgite. The maximum removal of methylene blue by DDBAC/ATP/nZVI is 114.94 mg/g, and the application performance of the DDBAC/ATP/nZVI remains stable within 60 days.
- Ceramics and composites /
- Attapulgite /
- Nano iron /
- Benzalkoniumchloride /
- Methylene blue

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References

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