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A kind of bactericide and algicide suitable for industrial water system and its application

A technology of bactericidal algicide and industrial water, applied in herbicides and algicides, chemicals for biological control, applications, etc. and other problems, to achieve the effect of excellent sterilization and algae killing ability, improved heat transfer and cooling effect, and low cost

Active Publication Date: 2016-05-11
江苏功成生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main components of the compound bactericide and algicide involved in the above three patents are isothiazolinone and dodecyldimethylbenzyl ammonium chloride. drug resistance
Chinese invention patent application 200910233377.0 relates to a slow-release compound bactericide and algaecide, the main active ingredients are bromochlorohydantoin and isocyanuric acid oxidants. This agent has the advantages of convenient use, wide applicable pH range, and good stability. However, the isocyanuric acid oxidant is easily affected by organic matter in water, and it is easy to cause corrosion to equipment if used for a long time

Method used

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  • A kind of bactericide and algicide suitable for industrial water system and its application
  • A kind of bactericide and algicide suitable for industrial water system and its application
  • A kind of bactericide and algicide suitable for industrial water system and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Dissolve 35g of dapanron, 15g of tetradecyltributylphosphonium chloride, 5g of dimethyl sulfoxide, and 5g of octylphenol polyoxyethylene ether in 40g of deionized water. Mix and grind to make 50% GC-1 suspension.

[0018] Take 300ml of circulating cooling water from a chemical plant, put 100ml each into three triangular flasks A, B, and C respectively, add bactericidal algicide GC-1 to A, add glutaraldehyde to B, and not add to C. blank. The addition amount of A is 10ppm, and the addition amount of B is 40ppm. The experiment was carried out for 24 hours and the results are as follows:

[0019]

Embodiment 2

[0021] Dissolve 7g of dacenolon, 3g of tetrakis hydroxymethylphosphonium sulfate, 7g of cyclohexane, and 7g of castor oil polyoxyethylene ether in 76g of deionized water. Mix and stir and shear into 10% GC-1 water emulsion.

[0022] Take 300ml of sewage from an oil field, put 100ml each into three triangular flasks A, B, and C, add bactericidal algicide GC-1 to A, and add dodecyldimethylbenzyl ammonium chloride to B (commonly known as 1227), C is not added, and it is blank. The addition amount of A is 15ppm, and the addition amount of B is 50ppm. The experiment was carried out for 24 hours and the results are as follows:

[0023]

Embodiment 3

[0025] Dissolve 12g of dapanron, 8g of dodecyltributylphosphonium chloride, 9g of N,N-dimethylformamide, and 5g of nonylphenol ethoxylate in 66g of deionized water. Grind and mix to make 20% GC-1 water solution.

[0026] Take 30g of slime suspension from a paper mill, add 300ml of deionized water and 10g of slime suspension to three triangular flasks A, B, and C, add bactericidal algicide GC-1 to A, and add GC-1 to B. Add 2-bromo-2-nitro-1,3-propanediol (Bropol), C is not added, and it is used as a blank. The addition amount of A is 25ppm, and the addition amount of B is 35ppm. After the experiment was carried out for 24 hours, it was filtered with filter paper and dried at 105°C to constant weight. The result is as follows:

[0027] potion

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Abstract

The invention relates to a sterilization algicide and application of the sterilization algicide, and in particular relates to a sterilization algicide suitable for an industrial water system and application of the sterilization algicide, belonging to the technical field of chemical engineering. The sterilization algicide comprises the following components by weight percent: 1-80 percent of dazomet, 1-50 percent of phosphonium salt, 5-10 percent of an organic solvent, 5-10 percent of a penetrant and the balance being water. The sterilization algicide has the advantages of high efficiency, persistency, low toxicity, generality, high compatibility, high stability, low corrosion property, low cost and the like. Compared with the similar sterilization algicide, the sterilization algicide disclosed by the invention can suppress and interfere the normal growth of slime and prevent multiple layers of composite slime containing various living bodies; furthermore, the algicide can quickly penetrate into the slime to enable biological slime attached to a pipe wall to be stripped off and dispersed into water, so that the heat transmission effect and the cooling effect of a circulating cooling water pipeline are improved, and the corrosion rate of the pipe wall is reduced. The sterilization algicide can be also used for controlling and killing alga.

Description

technical field [0001] The invention relates to a bactericide and algaecide and its application, in particular to a bactericide and algaecide suitable for industrial water systems and its application, and belongs to the technical field of chemical industry. Background technique [0002] In industrial water systems, due to the long-term recycling of water bodies, equipment such as pipes and cooling towers are prone to the growth of microorganisms and biological slime. If not treated in time or improperly, the heat transfer efficiency of the heat exchanger will be reduced, and the corrosion and scale inhibition will be reduced. Partial failure of the agent, corrosion and perforation of equipment, and in severe cases, biological slime will completely block the pipeline, affecting the normal production of the plant. How to effectively control the growth and reproduction of bacteria and algae in industrial water systems has become an important content in water treatment technolog...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N57/34A01P1/00A01P13/00C02F1/50A01N43/88
Inventor 姚志牛陆蓓蓓黄昌建苏慧
Owner 江苏功成生物科技有限公司
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