Influence of magnetic field on water
DOI:
https://doi.org/10.31548/energiya2019.01.006Abstract
Treatment of water in a magnetic field can increase the yield of crops, destroy pathogenic microflora, improve the use of mineral fertilizers.
Currently, magnetically activated water is used for soaking seeds, watering plants, soil salinization. But in the widespread introduction of magnetic treatment of aqueous solutions, there are a number of difficulties that are due to the fact that the mechanisms and regularities of the action of the magnetic field on aqueous solutions are not fully disclosed.
The purpose of the study was to determine the regime parameters of water treatment in a magnetic field.
Experimental studies were conducted on a laboratory installation. The water was passed in Petri dishes through a magnetic field, which was created by permanent magnets, installed parallel above and below the conveyor belt with a variable polarity. Magnetic induction was controlled by changing the distance between the magnets and measured by a teslameter 43205/1. The velocity of the conveyor belts was controlled by changing the rotational speed of the drive motor of the conveyor. The pole division was controlled by changing the distance between the magnets.
The values of the upper, lower and main levels of factor were for magnetic induction, 0, 0.065 and 0.13 T respectively, for the velocity of water - 0.4, 0.6 and 0.8 m/s, pole division - 0.14; 0.23; 0,32 m. The research was carried out using the Boxing-Benkin plan
On the basis of the conducted researches it was established that the change in the pH and the oxidation-reduction potential of water when treatment in a magnetic field depends on the square of the magnetic induction, the number of re-magnetization and the velocity of water flow. When changing the pole division within the limits of 0,14 - 0,32 m, the pH and ORP of the water vary insignificantly.
When the magnetic induction is changed from 0 to 0.065 T, the pH of the water increases, and with its further increase it decreases. The oxidation-reducing potential initially decreases and then increases.
The increase in the number of reversals enhances the effect of magnetic water treatment. The optimal four-time re-magnetization can be considered, since its growth does not lead to a significant change in water parameters.
The most effective mode of water treatment takes place with a magnetic induction of 0.065 T, a fourfold re-magnetization, a pole division of 0.23 m and a flow velocity of 0.4 m/s.
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