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Biodispersant Para B9275

Dispersant “V 9275” is a liquid-phase surfactant designed to combat biological deposits in aquatic environments and to combat the growth of algae and bacteria in cooling water circulation systems.

The dispersant prevents the formation of biofilms on the surface of equipment and other elements of water circulation systems and is used in enterprises with cooling water circulation systems at cooling towers, in water injection systems for oil and gas production. Refers to a type of non-oxidizing inhibitor. 

Dispersant “V 9275” is produced in two grades A and B, depending on the composition and technical characteristics. Dispersant “B 9275” grade B has a selective oxidative bactericidal effect and is used to suppress both anaerobic and aerobic forms of bacteria.

Dispersant “V 9275” is produced in accordance with the current technical conditions TU 2417-009-17423242-2004 with rev. 1, 2, 3.

Used in services
Protection of equipment for water circulation systems


Dispersant “V 9275” can be dosed into the water circulation system and other water circuits both continuously using a dosing pump and periodically. Dosing can be carried out directly from product drums or from working plastic containers. 

More stable results can be achieved by alternating the use of the dispersant “B 9275” with the inhibitor of biodegradation “B 9007” and / or with the dispersant “B 9280”.


The dosage of the Dispersant “B 9275” depends on the degree of biological deposits, as well as on the degree of contamination of the system with microorganisms. Intermittent dosages of 10 to 20 g / t based on system volume over a period of 1 to 2 weeks are typical. In heavily contaminated systems, where reagent treatment has not been carried out for a long time, more frequent treatments with dosages of up to 50 g / t are recommended. The effectiveness of the dosages increases in the case of the combined use of the reagent “B 9275” with inhibitors of biodegradation.

physical and chemical indicators Brand A Brand B
Appearance colorless to dark yellow liquid colorless to light yellow liquid
Density at 20 ° С, g / cm3 1,050 – 1,230 1,210 – 1,340
Pour point, ° С, not higher minus 10 minus 10