A method for electrochemical detoxification and deep dehydration of cyanobacteria liquid

Abstract

The invention discloses a method for electrochemical detoxification and deep dehydration of cyanobacteria liquid, comprising the following steps: putting the cyanobacteria liquid into a primary sedimentation tank for preliminary static stratification, and the cyanobacteria liquid flows into an electrochemical reactor; setting an electrochemical reaction The tank voltage of the tank and the speed of the stirrer, the electrochemical reactor and its stirring function are turned on, and the cyanobacteria cells are broken and dehydrated under the action of the electric field and the anode mechanical stirring. At the same time, the hydroxyl radicals generated in the electrochemical reactor continue to oxidize and degrade the cyanobacteria The released algae toxin completes the wall-breaking dehydration and detoxification process of cyanobacteria; the cyanobacteria liquid flows into the high-pressure filter press device for deep dehydration, and finally the cyanobacteria mud cake is obtained. The method of the present invention realizes the efficient dehydration of cyanobacteria and the efficient degradation of algae toxins, the method is simple, and the operation is controllable, and effectively solves the problems of algae toxin degradation, deep dehydration and inhibition of secondary pollution in the dehydration process of cyanobacteria resources, and does not Adding any chemical substances has laid a solid foundation for the deep recycling of cyanobacteria.

Description

technical field [0001] The invention belongs to the technical field of detoxification, reduction and resource utilization of cyanobacteria, and in particular relates to a method for electrochemical detoxification and deep dehydration of cyanobacteria liquid. Background technique [0002] Eutrophication of rivers and lakes and algal blooms are serious water environmental problems currently facing our country. In view of the characteristics of cyanobacteria outbreaks in eutrophic water bodies at present, simple manual or mechanical operation boats are used in various places to salvage cyanobacteria from water bodies. Salvaging cyanobacteria plays an important role in reducing the biomass of cyanobacteria populations, population dominance, and inhibiting population reproduction. At the same time, it brings out a large amount of nitrogen and phosphorus nutrients in the water body, which is helpful for reducing local disasters, reducing nutrient accumulation in the lake, and impr...

AI Technical Summary

Problems solved by technology

[0012] Purpose of the invention: Aiming at the problems and deficiencies in the prior art, the present invention provides a method for electrochemical detoxification and deep dehydration of cyanobacteria liquid, through pre-dehydration of cyanobacteria, electrochemical cyanobacteria wall breaking and algal toxin degradation, high-pressure filtration Deep dehydration realizes efficient dehydration of cyanobacteria and efficient degradation of algae toxins. The method is simple and the operation is controllable. It effectively solves the problems of algae toxin degradation, deep dehydration and inhibition of secondary pollution in the dehydration process of cyanobacteria resources, and does not add any Chemical substances have laid a solid foundation for the deep resource utilization of cyanobacteria, and have significant environmental benefits and practical value

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