Ball-milled dysprosium oxide loaded biochar-montmorillonite composite for efficient removal and great recycling performance of cationic organic pollutants
Changchun University · Jilin Vocational College of Industry and Technology · +4 more institutions
Abstract
New and sustainable approaches for the removal of cationic organic pollutants, such as methyl violet (MV) and methylene blue (MB) dyes, from aqueous solutions are needed. In this study, hickory wood was pyrolyzed with montmorillonite and then ball milled with dysprosium oxide at 350 rpm for 3 h, without any use of toxic compounds. The resulting composite was rich in oxygen-containing functional groups (e.g., carboxyl and hydroxyl), had uniform lamellar-porous micromorphology and a surface area (88.9 m 2 g −1 ) 2.5 times that of the original biochar. The composite exhibited excellent removal of aqueous methylene blue (113.6 mg g −1 ) and methyl violet (107.6 mg g −1 ), which was approximately 6.6 and 2.6 times…
Citation impact
- FWCI
- 31.64
- Percentile
- 100%
- References
- 37
Authors
17Topics & keywords
- Biochar
- Dysprosium
- Montmorillonite
- Cationic polymerization
- Pollutant
- Composite number
- Chemistry
- Adsorption