Photodynamic degradation method of polycyclic aromatic hydrocarbon wastewater
A polycyclic aromatic hydrocarbon, photodynamic technology, applied in the field of photodynamics, to achieve the effect of strong operability, wide application range and good photosensitivity
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Embodiment 1
[0021] A novel photodynamic degradation method for polycyclic aromatic hydrocarbon wastewater. Using a 420nm LED blue light source, the photodynamic method is used for processing. The specific steps are as follows:
[0022] (1) preparation of processing wastewater containing polycyclic aromatic hydrocarbons;
[0023] (2) adding photosensitizer to waste water;
[0024] (3) irradiating the wastewater prepared in step (2) with an LED light source to complete the degradation process.
[0025] Wherein, in step (1), the processing wastewater containing polycyclic aromatic hydrocarbons specifically refers to wastewater containing 16 kinds of polycyclic aromatic hydrocarbon mixtures. Preparation of PAH wastewater: Take 0.5ml of a mixed standard solution of PAHs with a concentration of 200ug / mL, and dilute to 100ml with acetonitrile to obtain a PAH stock solution with a concentration of 1ug / mL. Take 50ml of polycyclic aromatic hydrocarbon stock solution, remove the solvent by nitrog...
Embodiment 2
[0031] A novel photodynamic degradation method for polycyclic aromatic hydrocarbon wastewater. Using a 420nm LED blue light source, the photodynamic method is used for processing. The specific steps are as follows:
[0032] (1) preparation of processing wastewater containing polycyclic aromatic hydrocarbons;
[0033] (2) adding photosensitizer to waste water;
[0034] (3) irradiating the wastewater prepared in step (2) with an LED light source to complete the degradation process.
[0035] Wherein, in step (1), the processing wastewater containing polycyclic aromatic hydrocarbons specifically refers to wastewater containing 16 kinds of polycyclic aromatic hydrocarbon mixtures. Preparation of PAH wastewater: Take 0.5ml of a mixed standard solution of PAHs with a concentration of 200ug / mL, and dilute to 100ml with acetonitrile to obtain a PAH stock solution with a concentration of 1ug / mL. Take 50ml of polycyclic aromatic hydrocarbon stock solution, remove the solvent by nitrog...
Embodiment 3
[0041] A novel photodynamic degradation method for polycyclic aromatic hydrocarbon wastewater. Using a 420nm LED blue light source, the photodynamic method is used for processing. The specific steps are as follows:
[0042] (1) preparation of processing wastewater containing polycyclic aromatic hydrocarbons;
[0043] (2) adding photosensitizer to waste water;
[0044] (3) irradiating the wastewater prepared in step (2) with an LED light source to complete the degradation process.
[0045] Wherein, in step (1), the processing waste water containing polycyclic aromatic hydrocarbons specifically refers to the waste water containing 16 kinds of polycyclic aromatic hydrocarbon mixtures. The preparation of polycyclic aromatic hydrocarbon waste water: getting 0.5ml concentration is the polycyclic aromatic hydrocarbon mixed standard solution of 200ug / mL , diluted to 100ml with acetonitrile to obtain a polycyclic aromatic hydrocarbon stock solution with a concentration of 1ug / mL. Tak...
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