Method for photodegradation of organic pollutants in water by black carbon
A technology of organic pollutants and photodegradation, applied in the field of water pollution degradation, can solve the problems of unstable chemical properties, non-pollutants, low catalytic efficiency, etc., and achieve the effects of mild reaction conditions, simple reaction operation, and important environmental significance
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Embodiment 1
[0031] Fill the chromatographically pure n-hexane into the fuel pool, ignite the n-hexane through the wick extending into the fuel pool to generate flame, and enter the combustion chamber through precise control N 2 And O 2 The content controls the combustion-oxygen ratio of the n-hexane combustion process. In this experiment, the combustion-oxygen ratio is controlled at 0.18. Collect the black carbon with a 10 cm * 10 cm quartz plate 4 cm above the flame, scrape the collected black carbon, and place it in a sealed reagent bottle for later use.
[0032] The black carbon prepared above is added to a temperature-controlled transparent photochemical reactor containing 2,4-dichlorophenol aqueous solution. Among them, the black carbon concentration is 0.33mg / ml, and the initial concentration of 2,4-dichlorophenol is 5*10 -5 M, then sonicate the photoreactor for 5 minutes so that the suspension is evenly mixed. After the end of the ultrasound, the reactor was stirred (20 revolutions / mi...
Embodiment 2
[0034] Fill the chromatographically pure n-hexane into the fuel pool, ignite the n-hexane through the wick extending into the fuel pool to generate flame, and enter the combustion chamber through precise control N 2 And O 2 The content controls the combustion-oxygen ratio of the n-hexane combustion process. In this experiment, the combustion-oxygen ratio is controlled at 0.18. Collect the black carbon with a 10 cm * 10 cm quartz plate 4 cm above the flame, scrape the collected black carbon, and place it in a sealed reagent bottle for later use.
[0035] The black carbon prepared above is added to a temperature-controlled transparent photochemical reactor containing a methyl orange aqueous solution. Among them, the black carbon concentration is 0.33mg / ml, and the initial concentration of methyl orange is 4*10 -5 M, then sonicate the photoreactor for 5 minutes so that the suspension is evenly mixed. After the end of the ultrasound, the reactor was stirred (20 revolutions / min) under...
Embodiment 3
[0037] Fill the chromatographically pure n-hexane into the fuel pool, ignite the n-hexane through the wick extending into the fuel pool to generate flame, and enter the combustion chamber through precise control N 2 And O 2 The content controls the combustion-oxygen ratio of the n-hexane combustion process. In this experiment, the combustion-oxygen ratio is controlled at 0.18. Collect the black carbon with a 10 cm * 10 cm quartz plate 4 cm above the flame, scrape the collected black carbon, and place it in a sealed reagent bottle for later use.
[0038] The black carbon prepared above is added to a temperature-controlled transparent photochemical reactor containing a bisphenol A aqueous solution. Among them, the black carbon concentration is 0.33mg / ml, and the initial concentration of bisphenol A is 2*10 -5 M, then sonicate the photoreactor for 5 minutes so that the suspension is uniformly mixed. After the end of the ultrasound, the reactor was stirred (20 revolutions / min) under ...
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