Аннотация:During of growing of cultures of Arthrobacter sp. KM-P in the medium with concentration 2.5 g/L of pyridine it was fully utilized in 24 hours. It was shown the stability of the process of biodegradation of pyridine with immobilized cells for three consecutive periodic processes. Strain Arthrobacter sp. KM-P is recommended for the treatment of industrial waste water from pyridine.