Method for degrading venlafaxine in water by utilizing electron beam irradiation
An electron beam irradiation and irradiation technology, applied in chemical instruments and methods, water pollutants, water/sewage treatment, etc., can solve the problems of poor removal rate, complex treatment conditions, and high economic costs, and achieve low prices. , the effect of high degradation efficiency and fast reaction rate
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Embodiment 1
[0027] In this embodiment, a method for degrading aqueous venlafaxine by electron beam irradiation comprises the following steps:
[0028]a. This embodiment is carried out under experimental conditions. All venlafaxine solutions are self-prepared. First, weigh the venlafaxine standard substance, dissolve and configure the stock solution with ultrapure water, and prepare the venlafaxine solution respectively. Concentration is 10mg / L, 20mg / L, 40mg / L, the solution of 80mg / L, as the simulated solution of the water body containing venlafaxine to be treated, and as the target solution, the initial pH value of the detected target solution is 7.9, So adding concentrated H to the target solution 2 SO 4 Or NaOH, adjust the initial pH value of the target solution to 2, 7, 12, and add hydrogen peroxide to the target solution at the same time, so that the molar concentration of hydrogen peroxide in the target solution is 1mM, 5mM, 10mM, 20mM, as the target solution stock solution;
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Embodiment 2
[0033] This embodiment is basically the same as Embodiment 1, especially in that:
[0034] In this embodiment, a method for degrading aqueous venlafaxine by electron beam irradiation comprises the following steps:
[0035] a. This example is carried out under experimental conditions. All venlafaxine solutions are self-prepared. First, accurately weigh the venlafaxine standard, dissolve and configure the stock solution with ultrapure water, and prepare venlafaxine respectively The solution with a concentration of 80mg / L was used as the simulated solution of the water body containing venlafaxine to be treated, and as the target solution, concentrated H was added to the target solution 2 SO 4 Or NaOH, adjust the initial pH value of the target solution to be 2, 7, 12 respectively, and add hydrogen peroxide to the target solution at the same time, so that the molar concentration of hydrogen peroxide in the target solution is 1mM, 5mM, 10mM, 20mM, as a series of stock solution to ...
Embodiment 3
[0040] This embodiment is basically the same as the previous embodiment, and the special features are:
[0041] In this embodiment, a method for degrading aqueous venlafaxine by electron beam irradiation comprises the following steps:
[0042] a. This example is carried out under experimental conditions. All venlafaxine solutions are self-prepared. First, accurately weigh the venlafaxine standard, dissolve and configure the stock solution with ultrapure water, and prepare venlafaxine respectively The solution with a concentration of 80mg / L was used as the simulated solution of the water body containing venlafaxine to be treated, and as the target solution, concentrated H was added to the target solution 2 SO 4 Or sodium hydroxide, adjust the initial pH value of target solution to be 2,7,12; Add hydrogen peroxide in the target solution simultaneously, make the hydrogen peroxide molar concentration in the target solution be 1mM, 5mM, 10mM and 20mM respectively, as A series of ...
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