Journal
GREEN CHEMISTRY
Volume 16, Issue 9, Pages 4198-4205Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4gc00599f
Keywords
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Funding
- Key Special Program on the S&T for the Pollution Control and Treatment of Water Bodies [2012ZX07103-001]
- National Key Technology R&D Program of the Ministry of Science and Technology [2012BAJ08B00]
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In the present study, a value-added Cu NP anchored magnetic carbon (Cu&Fe3O4-mC) material was obtained directly by fast pyrolysis of heavy metal polluted biomass (derived from a biosorption process using fir sawdust to remove Cu(II) from synthetic wastewater). The composition and structure of the Cu&Fe3O4-mC were characterized by various physicochemical techniques, which indicated that the Cu NPs were monodispersed on the mesoporous carbon support with an average particle size of 21.2 nm. The material shows favorable activity and separability on the catalytic reduction of 4-nitrophenol, and can be reused several times without a decrease in the catalytic activity. The maximum release concentration of Cu during the recycling process is 0.7 mg L-1, which is below the limit of the Cu concentration in the surface water. This study would provide a green and sustainable pathway for simultaneous disposal of the biomass waste, removal of the heavy metal pollution, and pretreatment of 4-nitrophenol.
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