A synergistic biocide and process for controlling growth of microorganisms

摘要

Disclosed is a method for controlling the growth of bacteria in an aqueous system, which comprises forming a blend of monochloramine and dichloramine with a ratio of monochloramine to dichloramine of from 30:1 to 1:5 and subsequently adding an effective amount of said blend to the aqueous system, wherein said aqueous system is a pulp and paper mill water system and has a pH in the range of from 5 to 9.