A kind of composite bacteria and algae inhibitor and application thereof

A technology of compound bacteria and algae and inhibitors, which is applied in the direction of application, herbicides, algicides, biocides, etc., can solve the problems of undisclosed application fields and use concentrations of biocides, and achieve the promotion of green development and low use concentration , The effect of easy access to raw materials
CN104068028BActive Publication Date: 2016-06-08TIANJIN SEA WATER DESALINATION & COMPLEX UTILIZATION INST STATE OCEANOGRAPHI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
TIANJIN SEA WATER DESALINATION & COMPLEX UTILIZATION INST STATE OCEANOGRAPHI
Publication Date
2016-06-08

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Abstract

The invention belongs to the fields of chemical industry and water treatment, and in particular relates to a compound bacteria and algae inhibitor and its application. The composite bacteria and algae inhibitor of the present invention contains isothiazolinone, 2,2-dibromo-3-nitrilopropionamide, solvent and water, and the mass percentages of each component are respectively 1% to 40% of isothiazolinone, 2,2-dibromo-3-nitrilopropionamide 5%-40%, solvent 20%-60%, water 10-70%. The compound bacteria and algae inhibitor of the present invention is a non-oxidative biocide. When the bacteria and algae inhibitor is applied to a water treatment system, the impact type intermittent dosing method is adopted, and the dosage of the bacteria and algae inhibitor per liter of water is 1 mg to 100 mg. . The components of the formula of the present invention have obvious synergistic effect, good compatibility with scale inhibitors and corrosion inhibitors, low biological toxicity, high biodegradable rate, and have killing and inhibiting effects on planktonic bacteria and algae in water, It has stripping and inhibiting effects on the bacteria and algae adherents that grow on the surface of the equipment. In practical application, it has the advantages of small addition amount, low use cost, convenient operation and no pollution.
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Description

technical field

[0001] The invention belongs to the fields of chemical industry and water treatment, and in particular relates to an environment-friendly composite bacteria and algae inhibitor used in the field of seawater cooling or seawater desalination. Background technique

[0002] The microbial control technology in industrial water treatment in various countries in the world still mainly adopts chemical prevention and control technology, that is, the technology of adding biocides to the system to kill microorganisms. Therefore, the development and application technology of biocides has become a hot spot for technicians. Halogen oxidizing biocides, as the earliest developed and used bacteria and algae inhibitors, are still widely used at present, but due to the large amount of halogen oxidizing biocides such as chlorine and sodium hypochlorite added to the water treatment system, the sewage caused by Halogenated hydrocarbons (THMS) such as trichloromethane and carbon te...

Claims

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