This product is a cationic surfactant, a non-oxidizing bactericide, with broad-spectrum, highly effective bactericidal capacity algae can effectively control bacteria in the water slime algae propagation and growth, and has a good dissection of the role of slime and a certain degree of dispersion, infiltration, at the same time to have some oil, the role of odor and corrosion. This product is widely used in petroleum, chemical, electric power, textile and other industries cooling water system to control the circulating cooling water system bacteria breeding species of sulfate-reducing bacteria are killing effects.