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

Inactive Publication Date: 2018-09-28
SHANGHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the traditional water pollution technology still has the problems of complex treatment conditions, poor removal rate, long treatment cycle, easy to produce secondary pollution, and high economic cost.

Method used

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  • Method for degrading venlafaxine in water by utilizing electron beam irradiation
  • Method for degrading venlafaxine in water by utilizing electron beam irradiation
  • Method for degrading venlafaxine in water by utilizing electron beam irradiation

Examples

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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;

[00...

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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Abstract

The invention discloses a method for treating an antidepressant venlafaxine in water by utilizing electron beam irradiation, particularly electron irradiation, and belongs to the technical fields of nuclear technology application, water treatment and environmental protection. According to the method disclosed by the invention, a water body containing the venlafaxine is treated by utilizing high energy electrons generated under electron accelerator radiation conditions to degrade the venlafaxine. An electron accelerator adopted in the method disclosed by the invention has an electron irradiation dose of 0.5-5 KGy. Concentrated sulfuric acid is added in a used sample pretreatment solution of the venlafaxine to regulate the pH value of the solution to reach 2-7, and 1-5 mM of hydrogen peroxide is added into the solution, so that a radiation degradation effect is promoted; moreover, the irradiation dose can be properly reduced. The method disclosed by the invention can remove the venlafaxine drug pollution in the water body, is high in reaction speed and high in degradation efficiency, has better applicability when being compared with other traditional methods and is an efficient and energy-saving water treatment technology.

Description

technical field [0001] The invention relates to a treatment method for refractory drug wastewater, in particular to a treatment method for antidepressant-containing wastewater, in particular to an electron beam irradiation degradation treatment method, which is applied in the technical fields of wastewater treatment and radiation chemical treatment. Background technique [0002] The antidepressant venlafaxine is currently the representative drug of serotonin and norepinephrine reuptake inhibitors in clinical application. It is a new type of antidepressant. It ranks 20th in the world's best-selling drug market. Antidepressants are the main psychotropic drugs. Although the current concentration of antidepressants in the environment, especially in the water environment, is only trace levels, it is unlikely to cause acute toxicity, but long-term low-concentration drug exposure will also cause organisms to exhibit chronic toxicity. Toxic effect. In addition to the great risk to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/08C02F101/30C02F101/38C02F103/34
CPCC02F1/305C02F1/66C02F1/722C02F9/00C02F2101/30C02F2101/38C02F2103/343C02F2209/06C02F2305/023
Inventor 彭诚李东阳李劲松张振永程航胡冕王云
Owner SHANGHAI UNIV
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