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Comparison-Calcium Hypochlorite vs. Other Pool Disinfectants

calcium hypochlorite3

Table of Contents

calcium hypochlorite
Most of our regular swimming takes place in artificial pools, where the water circulates and relies on disinfectants for purification

Bleaching powder (calcium hypochlorite)

Advantages of calcium hypochlorite

Calcium hypochlorite deficiency

It is unstable in nature and can be decomposed by light, heat, humidity, and CO2. Therefore, it should be kept in a dark and dry place for no more than 1 year. Because of its corrosion and bleaching effect, it is not suitable for metal equipment and colored textiles. If it is stored for too long, it should be prepared according to the actual available chlorine content. And the residue after the bleaching powder reaction, blocking the pipeline, affecting the water quality, is gradually eliminated.

Sodium hypochlorite

[NaOCl] alias High efficiency bleaching powder. Pure products are white powder, usually gray-green crystals, which are unstable in air. Sodium hypochlorite has a chlorine odor and is miscible with water. The solution is alkaline. The pH value of the emulsion is as high as 12, and with the increase of the dilution of the aqueous solution, the pH value can be reduced to 7~9. The sex is unstable, and the decomposition is accelerated in case of heat. It has bleaching and corrosion effect on articles.

Sodium hypochlorite advantages

The effective chlorine content is generally 10%-12%, which is less dangerous than liquid chlorine and has good disinfection effect.

Insufficient sodium hypochlorite

Sodium dichloroisocyanurate

Sodium dichloroisocyanurate advantages

Sodium dichloroisocyanurate, also known as euchlorine, molecular formula: (C3C12N3O3)Na, referred to as SDIC, is a widely used organic chlorine disinfectant, containing 60% to 64.5% effective chlorine, with the advantages of high efficiency, broad spectrum, stability, high solubility, low toxicity. Aqueous solution can be used for spraying, soaking, rubbing, can also be used for powder direct disinfection of pollutants, treatment of feces and other excrement, use the same as bleach powder. Mixed with paraformaldehyde dry powder and ignited, the gas can be fumigated. It can also be mixed with No. 92 coagulant (hydroxyl aluminum chloride based on the synthesis of iron powder, sulfuric acid, hydrogen peroxide, etc.) to 1: 4 into “water clear”, which can be used for drinking water disinfection. And can be prepared with sodium nitrate into a variety of disinfection washing liquid, such as polyester Jingmei, euchlorine and so on. It can quickly kill viruses, bacteria, and their spores, effectively preventing hepatitis and other infectious diseases.

Sodium dichloroisocyanurate deficiency

Trichloroisocyanuric acid

Trichloroisocyanuric acid, commonly known as strong chlorine essence, molecular formula C3N3O3Cl3 for short TCCA, is a chlorinated derivative of isocyanuric acid, its effective chlorine content is as high as 90%, mainly granular, sheet, strong bactericidal ability.

Trichloroisocyanuric acid advantages

Trichloroisocyanuric acid is an effective, low-toxicity, broad-spectrum and fast disinfectant that can effectively kill various bacteria, fungi, spores, molds and vibrio cholerae. It has special effects on killing hepatitis A and hepatitis B viruses, and also has good disinfection effect on sexual viruses and HIV.

Trichloroisocyanuric acid deficiency

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