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The article discusses the bactericidal effect of compositions of alkylimidazole and oxyethylated para-nonylphenol in various proportions obtained by the interaction of polyethylenepolyamine in a nitrogen medium with various concentrations against sulfate-reducing bacteria.Alkylimidazole was obtained on a pilot plant with a capacity of 500 kg/day, built at the research and production enterprise "Tural 110" in Sumgait. Alkylimidazole (AIM) is derived from the interaction of natural petroleum acid (NPA) with polyethylene polyamine (PEPA). The effect of ONP and AIM compositions prepared in mass ratios of 95:5; 90:10 and 50:50 on the incubation period of SRB for 15 days was studied as follows. Reagent-free and reagent media were used for comparison. 1 ml of the bacterial medium was diluted with sterile water and simultaneously transplanted into a Posgate B nutrient medium in 10 ml test tubes in a 1:9 ratio and kept in a thermostat at 30-35°C for 15 days to determine the number of bacteria growing in the medium. As a result, the number of bacteria in the non-inhibitory medium taken under microscopic control was n=108 the number of cells/ml and in the inhibitory medium at a concentration of 50 mg/l in all three samples (AIM:ONP = 5:95; 10:90 and 50:50 in mass ratios) the number was defined as n=101 cells/ml and at a concentration of 250 mg/l AIM:ONP = 10:90 and AIM:ONP = 50:50, the mass ratios fell from 108 to 0, which completely stopped the life of bacteria.Keywords: natural petroleum acid, polyethylene polyamine, alkylimidazole, oxyethylated nonylphenol, composition, sulfate-reducing bacteria, bactericidal inhibitor.

PREPARATION OF COMPOSITIONS OF OXYETHYLATED NONYLPHENOL WITH ALKYLIMIDAZOLES AND STUDY OF THEIR ACTION AGAINST SULFATE-REDUCING BACTERIA