Composition for sterilizing and corrosion inhibiting agent and application of composition

A technology of composition and corrosion inhibitor, applied in the fields of application, biocide, complex/solubilizer treatment, etc., can solve problems such as antibiotics that have never been seen, and achieve the best bactericidal and corrosion inhibition effects

Active Publication Date: 2015-03-25
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there have been no reports on the use of antibiotics in circulating cooling water systems

Method used

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  • Composition for sterilizing and corrosion inhibiting agent and application of composition
  • Composition for sterilizing and corrosion inhibiting agent and application of composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Add 1.5mg / L cefazolin sodium and 0.8mg / L stannous chloride to the test water 1, shake well and put it in an incubator at 29±1°C, take samples and analyze the number of heterotrophic bacteria according to the specified time, and carry out Corrosion rate measurement test, the results are shown in Table 1.

Embodiment 2

[0045] Add 2mg / L cefamandole sodium and 0.7mg / L stannous chloride to test water 1, shake well and put it in an incubator at 29±1°C, take samples and analyze the number of heterotrophic bacteria according to the specified time, and carry out Corrosion rate measurement test, the results are shown in Table 1.

Embodiment 3

[0047] Add 2.5mg / L cefoperazone sodium and 0.5mg / L stannous bromide to the test water 2, shake well and put it in an incubator at 29±1°C, take samples and analyze the number of heterotrophic bacteria according to the specified time, and conduct corrosion rate analysis Determination test, the results are shown in Table 1.

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PUM

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Abstract

The invention discloses a composition for a sterilizing and corrosion inhibiting agent. The composition for the sterilizing and corrosion inhibiting agent contains beta-lactam antibiotics and bivalent tin salt. The invention also discloses an application of the composition for the sterilizing and corrosion inhibiting agent to treatment of circulating cooling water. According to the technical scheme, relatively good sterilizing and corrosion inhibiting effects can be simultaneously achieved when the composition for the sterilizing and corrosion inhibiting agent disclosed by the invention is used in a circulating cooling water system.

Description

technical field [0001] The invention relates to a composition for a bactericidal corrosion inhibitor and its application, in particular to a composition for a bactericidal corrosion inhibitor and its application in the treatment of circulating cooling water. Background technique [0002] The operation and maintenance of industrial circulating cooling water system involves solving three problems of scaling, corrosion and microbial control. In order to solve these three problems, the commonly used cost-effective method is to add scale inhibitors, corrosion inhibitors and fungicides. Fungicides are divided into oxidizing and non-oxidizing fungicides. Commonly used oxidizing fungicides include strong chlorine, chloroquine, organic bromine, etc.; commonly used non-oxidizing fungicides include quaternary ammonium salts, isothiazolones, glutaraldehyde, etc. In water treatment, the method of alternately adding oxidizing bactericide and non-oxidizing bactericide is usually used to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N59/00A01P1/00C02F1/50C02F5/08C02F5/10A01N43/90A01N33/12A01N57/34
Inventor 郦和生楼琼慧秦会敏李博伟
Owner CHINA PETROLEUM & CHEM CORP
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