A kind of method for mineral degradation tetracycline

Abstract

The invention discloses a method for degrading tetracycline by using minerals. The method comprises the following steps that 1, a hydrochloric acid solution of tetracycline is prepared; 2, the minerals and the hydrochloric acid solution of tetracycline are mixed; and 3, tetracycline is degraded under the microwave action. The degradation method provided by the invention is simple and easy to implement, the conditions are mild, and control is easy. By means of the method, the degradation efficiency is 85% or above, especially the degradation amount of the tetracycline by minerals per unit is large and can reach 20-22mg / g, consumption of raw materials is greatly reduced, and cost is lowered. Moreover, the method can be carried out at a wide microwave frequency band and is particularly suitable for being carried out at high frequency.

Description

technical field [0001] The invention relates to the field of tetracycline degradation, in particular to the degradation of tetracycline by minerals. Background technique [0002] Tetracyclines are currently the most widely used antibiotics in my country. At least 50% of the antibiotics in the world are used in animal husbandry and aquaculture every year, and a considerable part of the antibiotics are excreted directly in the form of metabolites in feces and urine or in the original form. into the environment, antibiotics are now detected in many parts of the world. my country is a big country in the production and use of antibiotics. According to statistics, the annual production of antibiotic raw materials in my country is about 2.1×105t. Antibiotics that cannot be completely absorbed by humans or animals are excreted in feces and urine in the form of metabolites, and form persistent organic pollution. Tetracyclines exist in the environment in the form of tetracyclines, whic...

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Problems solved by technology

[0003] Chinese patent CN 104941621 A discloses a composite photocatalyst for efficiently degrading antibiotics and its preparation method and application. The composite photocatalyst can catalyze and degrade antibiotics under visible light. suitable for practical application

[0004] Chinese patent CN 105502775 A discloses a process for degrading antibiotic wastewater, including steps such as adding persulfate, adjusting pH, first ultraviolet irradiation, adding thiosulfate, and second ultraviolet irradiation. The antibiotics in the medium are degraded, but the degradation process is very complicated

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