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Bactericide composition and application thereof in water treatment

A bactericide composition and bactericide technology, applied in the directions of sterilization/microdynamic water/sewage treatment, water/sludge/sewage treatment, application, etc., can solve the problem of single function of compound bactericide, and achieve complete efficacy Effect

Active Publication Date: 2015-04-29
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the defects of the single function of the existing compound fungicides and provide a fungicide composition and its application. The fungicide composition has both fungicide, slime stripping and corrosion inhibition properties

Method used

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  • Bactericide composition and application thereof in water treatment
  • Bactericide composition and application thereof in water treatment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] This example is used to illustrate the fungicide composition provided by the present invention.

[0052] Preparation of water treatment agent: Dissolve 4 g of thiram in 5 mL of ethanol, and then dissolve it in deionized water together with 5 g of dioctadecyl dimethyl ammonium bromide, stir evenly, and prepare 50 g of water treatment agent A1.

Embodiment 2

[0054] This example is used to illustrate the fungicide composition provided by the present invention.

[0055] Preparation of water treatment agent: dissolve 5 g of thiram in 5 mL of ethanol, and then dissolve it in deionized water together with 30 g of 50% by weight didecyl dimethyl ammonium chloride, stir evenly, and prepare 50 g of water treatment 剂A2.

Embodiment 3

[0057] This example is used to illustrate the fungicide composition provided by the present invention.

[0058] Preparation of water treatment agent: Dissolve 2g of formarsine in 5mL of ethanol, and then dissolve 22.2g of 45% by weight dodecyldimethylbenzylammonium chloride in deionized water, stir well, and prepare Into 50g water treatment agent A3.

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PUM

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Abstract

The invention discloses a bactericide composition. The composition comprises a Fumei-series bactericide and a quaternary ammonium bactericide. The invention further discloses application of the bactericide composition in water treatment. The sludge stripping capability, bacterium killing capability and carbon steel coupon corrosion speed of a water treatment agent of the bactericide composition are tested, and testing results indicate that the bactericide composition serving as a water treatment agent has a good sludge stripping effect, quick bacterium killing effect, long duration and excellent corrosion inhibition effect for carbon steel coupons.

Description

Technical field [0001] The invention relates to a bactericide composition and the application of the bactericide composition in industrial cooling circulating water treatment. Background technique [0002] The control of bacteria and algae in the circulating cooling water system is generally controlled by adding fungicides. Commonly used fungicides are divided into two categories, oxidizing and non-oxidizing fungicides. Commonly used oxidizing fungicides mainly include chlorine gas, sodium dichloroisocyanurate (referred to as Youlujing), trichloroisocyanuric acid (referred to as strong chlorin), etc.; commonly used non-oxidizing fungicides mainly include quaternary ammonium organics, quaternary Phosphonium salt organics, isothiazolinone, glutaraldehyde, etc. Oxidizing bactericides are widely used because of their low price, but they are easily affected and interfered by circulating cooling water pH, organic matter, scale and corrosion inhibitors, etc., which reduce their bacter...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/14A01N47/26A01P1/00C02F1/50C02F5/12A01N33/12
Inventor 冯婕郦和生胡艳华王岽
Owner CHINA PETROLEUM & CHEM CORP
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