Rapid Mineralization of Rhodamine B Wastewater by Microwave Synergistic Fenton-Like Oxidation Process

Peng Yan; Dong Bai

doi:10.4028/www.scientific.net/AMR.807-809.1384

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 807-809Rapid Mineralization of Rhodamine B Wastewater by...

Rapid Mineralization of Rhodamine B Wastewater by Microwave Synergistic Fenton-Like Oxidation Process

Abstract:

The coulpling method of microwave irradiation and Fenton-like reaction with magnetic nanomaterials of CuFe₂O₄ as the catalyst was used for degradation of Rhodamine B wastewater. Factors affecting the degradation rate of Rhodamine B such as H₂O₂ dosage, CuFe₂O₄dosage, Rhodamine B initial concentration, reaction temperature and so on were investigated systematically. The experimental results showed that the microwave-assisted Fenton-like process using H₂O₂/CuFe₂O₄was the most effective treatment process compared with other methods. Unlike the conventional Fenton reactions, which are catalyzed by homogeneous catalysts/promoters, the nanopowder CuFe₂O₄ catalyst is easily collected by an external magnetic field and remains efficient in reuse. The results showed that under the given conditions (80°C, pH = 4, Rhodamine B initial concentration = 100mg/L, CuFe₂O₄ dose = 0.375g/L, H₂O₂ dose = 2.5mL/L, Reaction time = 2min), the removal rate of Rhodamine B could reach nearly 100%. Moreover, the COD determination results showed that under above conditions, the COD value could reach zero.

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Periodical:

Advanced Materials Research (Volumes 807-809)

Pages:

1384-1387

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.807-809.1384

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Online since:

September 2013

Authors:

Peng Yan*, Dong Bai

Keywords:

Degradation, Magnetic Nanomaterials, Microwave, Rhodamine B (RhB)

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