Procedure and system for the extraction of isocyanuric acid in solution

Abstract

A procedure and a system for the extraction of isocyanuric acid are disclosed. According to the invention, the water containing isocyanuric acid is passed through a 10 bed with an adsorbent material,the bed regeneration is carried out by using a liquid regeneration medium, the liquid regeneration medium that contains isocyanuric acid in solution is collected, its recovery is carried out by addinga solid complexing substance, the suspension 15 obtained is passed through a filtering medium and isocyanuric acid is recovered and the liquid extraction medium is regenerated. The system comprises an adsorption column, a deposit of regenerating substance, a filtering medium, a dosage tank to dose the regenerating substance, a 20 compressor, a drive pump and a valves system to configure the equipment according to the phase of the cycle in which it has to operate.

Description

technical field [0001] This invention relates generally to the field of controlling isocyanuric acid levels in swimming pool water, and more particularly to methods and systems for extracting isocyanuric acid and maintaining it at levels that are not detrimental to the sanitizing action of chlorine. Background technique [0002] The addition of chlorine in the form of trichloroisocyanuric acid is widely used in swimming pools around the world because of the method's ability to achieve effective chlorine disinfection due to the slow release of chlorine over time. But this way of adding chlorine will eventually lead to the accumulation of isocyanuric acid in the water, and it will inhibit the disinfection effect of chlorine through recombination reaction from a certain level. [0003] Currently, the usual way to control the concentration of isocyanuric acid in water is to replace the water with a corresponding volume of new water, but this should lead to a huge waste of water,...

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Problems solved by technology

However, this method has the following disadvantages: on the one hand, under the conditions of swimming pool water, the amount of melamine reacted with cyanuric acid is very small, so a large amount of melamine must be added to complex with a large amount of cyanuric acid, resulting in Turbidity and toxicity issues in pools, as cyanuric acid and melamine compounds are toxic

The mixture will stay in the pool all the time, because melamine is water soluble with a dissolution rate of 3100mg / L, which can also cause pool water color issues

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