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

A technology of water treatment agent and composition, applied in botany equipment and methods, sterilization/microkinetic water/sewage treatment, chemicals for biological control, etc., can solve the problem of reducing, difficulty in one dose, and sludge control Oxidation power and sludge control performance decrease

A technology of water treatment agent and composition, applied in botany equipment and methods, sterilization/microkinetic water/sewage treatment, chemicals for biological control, etc., can solve the problem of reducing, difficulty in one dose, and sludge control Oxidation power and sludge control performance decrease

CN107249332BActive Publication Date: 2020-08-21ORGANO CORP
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  • Water treatment agent composition, method for producing water treatment agent composition, and water treatment method
  • Water treatment agent composition, method for producing water treatment agent composition, and water treatment method
  • Water treatment agent composition, method for producing water treatment agent composition, and water treatment method

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Embodiment

[0096] Hereinafter, although an Example and a comparative example are given, and this invention is demonstrated more concretely and in detail, this invention is not limited to a following example.

[0097] In Examples and Comparative Examples, addition was performed in the compounding composition (% by weight) and order shown in Tables 1 to 8 (addition in order from the table) and formulation was performed. Formulation was carried out in a container made of PTFE (polytetrafluoroethylene), cooled to below room temperature, and adding each drug while stirring with a stirrer.

[0098] In Tables 1 to 5, "PAA" is an acrylic acid homopolymer (weight-average molecular weight about 4500), and "AABI" is an acrylic-based binary copolymer of acrylic acid and 2-acrylamide-2-methylpropanesulfonic acid (weight-average Molecular weight is about 4500), "PMAA" is a homopolymer of maleic acid (weight average molecular weight is about 1000), "AATER" is an acrylic triacrylamide of acrylic acid, 2...

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Abstract

Provided is a water treatment agent composition that suppresses a significant decrease in the sludge control performance (remarkable decrease in oxidizing power) of an inorganic sludge control agent, and combines a hypobromite, which is an inorganic sludge control agent, with a corrosion inhibitor in one dose. A kind of water treatment composition, it is the reactant of bromine oxidizing agent or bromine compound and chlorine oxidizing agent, and sulfamic acid compound, and the polymer comprising the monomer unit of formula (1), comprising formula (2 ), a binary copolymer comprising a monomer unit of formula (1) and a monomer unit of formula (3), a monomer unit comprising formula (1) and a monomer of formula (3) Unit and the terpolymer of the monomeric unit of formula (4), the phosphinocarboxylic acid copolymer of formula (5), the two (poly-2-carboxyethyl) phosphinic acid of formula (6), the formula (7 ) 2-phosphonobutane-1,2,4-tricarboxylic acid and its salt, and at least one anticorrosive agent among azole compounds at a pH of 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...

Claims

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Application Information

Patent Timeline
21 Aug 2020
Publication
CN107249332B
IPC
A01N59/00; A01N25/00; A01N25/22; A01P3/00; C02F1/50
CPC
A01N25/00; A01N25/22; A01N59/00; C02F1/50; A01N33/08
Inventors
都司雅人; 染谷新太郎