Bismuth ferrate-carbon nano tube, preparation method thereof and method for treating organic dye wastewater by utilizing bismuth ferrate-carbon nano tube
A carbon nanotube and organic dye technology, applied in the field of wastewater treatment, can solve problems such as no water treatment technology, unsuitable for household use, secondary pollution, etc., and achieve easy large-scale production and use, reduce equipment investment, and total cost. low effect
Inactive Publication Date: 2012-06-13
NANJING UNIV
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Abstract
The invention discloses a bismuth ferrate-carbon nano tube, a preparation method thereof and a method for treating organic dye wastewater by utilizing the bismuth ferrate-carbon nano tube and belongs to the field of wastewater treatment. The preparation method of the bismuth ferrate-carbon nano tube comprises the following steps of: (1) dissolving ferric nitrate and bismuth nitrate in pure 2-methoxyethanol; (2) adding a nitric acid solution; (3) adding the carbon nano tube, citric acid and glycol; (4) rising the temperature for heating so as to form sol; (5) rising the temperature for evaporating a solvent so as to form gel; (6) calcining; and (7) rising temperature and calcining to obtain crystal. The method for treating the organic dye wastewater by utilizing the bismuth ferrate-carbon nano tube prepared by the preparation method comprises the following steps of: (A) settling the wastewater containing organic dyes and taking supernatant liquor; (B) adding the bismuth ferrate-carbon nano tube; (C) recovering the bismuth ferrate-carbon nano tube; and (D) heating the bismuth ferrate-carbon nano tube in a microwave oven, and putting the bismuth ferrate-carbon nano tube into use again. The material and the method for treating the organic dye wastewater are strong in applicability, fast and energy-saving and can be better combined with the existing process.
Application Domain
Other chemical processesWater contaminants +5
Technology Topic
Process engineeringMicrowave oven +8
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