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Study on Technological Conditions of Photocatalytic Oxidation Degradation of Dye and Printing Wastewater by TiO_2

LI Hong-mei

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Abstract

In this paper,tests of photocatalytic degradation of dye and printing wastewater are carried out with or without TiO2 as the catalyst.It is shown that TiO2 can greatly accelerate the photo oxidation of the wastewater.The effect of the processing time,temperature and the catalyst quantity on the removal of the wastewater and the discoloration is discussed.The test result shows that the most effective processing condition for photocatalytic oxidation degradation of dye and printing wastewater is 6h,30℃ and quantity of the catalyst is 1mg/mL.

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What this paper is about

In this paper,tests of photocatalytic degradation of dye and printing wastewater are carried out with or without TiO2 as the catalyst.It is shown that TiO2 can greatly accelerate the photo oxidation of the wastewater.The effect of the processing time,temperature and the catalyst quantity on the removal of the wastewater and the discoloration is discussed.The test result shows that the most effective processing condition for photocatalytic oxidation degradation of dye and printing wastewater is 6h,30℃ and quantity of the catalyst is 1mg/mL.

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Available abstract

In this paper,tests of photocatalytic degradation of dye and printing wastewater are carried out with or without TiO2 as the catalyst.It is shown that TiO2 can greatly accelerate the photo oxidation of the wastewater.The effect of the processing time,temperature and the catalyst quantity on the removal of the wastewater and the discoloration is discussed.The test result shows that the most effective processing condition for photocatalytic oxidation degradation of dye and printing wastewater is 6h,30℃ and quantity of the catalyst is 1mg/mL.

Key concepts: Photocatalysis, Wastewater, Degradation (telecommunications), Catalysis, Materials science, Chemical engineering, Sewage treatment, Waste management

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