Water treatment agent composition, method for producing water treatment agent composition, and water treatment method

Abstract

Provided is a water treatment agent composition which is a one-part preparation comprising a hypobromite salt that acts as an inorganic slime control agent and an anti-corrosive agent, and in which the inorganic slime control agent is prevented from the significant deterioration in slime control performance thereof (i.e., the significant deterioration in oxidizing power thereof). A water treatment agent composition comprising a bromine-containing oxidizing agent or a reaction product of a bromine compound with a chlorine-containing oxidizing agent, a sulfamic acid compound, and at least one anti-corrosive agent selected from a polymer containing a monomer unit represented by formula (1), a polymer containing a monomer unit represented by formula (2), a binary copolymer containing a monomer unit represented by formula (1) and a monomer unit represented by formula (3), a ternary copolymer containing a monomer unit represented by formula (1), a monomer unit represented by formula (3) and a monomer unit represented by formula (4), a phosphino carboxylic acid copolymer represented by formula (5), a bis(poly-2-carboxylethyl)phosphinic acid represented by formula (6), a 2-phosphonobutane-1,2,4-tricarboxylic acid represented by formula (7) and salts thereof, and an azole compound, wherein the components are compounded at pH 13 or higher.

Description

technical field [0001] The present invention relates to a water treatment agent composition for controlling fouling of organisms in water systems, a method for producing the water treatment agent composition, and a water treatment method using the water treatment agent composition. Background technique [0002] As a fungicide for controlling biofouling in industrial water systems such as cooling water systems, paper manufacturing processes, etc., inorganic sludge control agents that have oxidative power compared with organic sludge control agents, that is, have high immediate effects, are used. doses increased. As the inorganic sludge control agent, hypochlorite such as sodium hypochlorite is mainly used, and hypobromite such as sodium hypobromite may be used in order to further enhance the effect. [0003] Sodium hypobromite, which has a sludge control performance higher than that of sodium hypochlorite, is unstable, and industrially, for example, a method of mixing bromid...

AI Technical Summary

Problems solved by technology

However, in the fungicide and algicide composition of Patent Document 2, the chlorine-based oxidizing agent and sulfamic acid are reacted to stabilize the form of combined chlorine. Therefore, although the stability of the composition is increased, the oxidizing power of the sludge control agent is , that is, the problem of significantly reduced sludge control performance

[0008] In this way, when an inorganic-based sludge control agent and a metal anti-corrosion agent are attempted to be combined in one dose, oxidation and decomposition of the metal anti-corrosion agent will occur, and the performance of the sludge control agent (decrease in oxidizing power) will be caused. Therefore, it is extremely difficult to make a single dose of

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