Although noxious insect extermination manner of the purification vessel

摘要

PROBLEM TO BE SOLVED: To solve a problem that when diffusing air containing an insecticidal component into a space formed over discharged water and sewage accumulated in a vessel by hanging an optional number of carriers containing the insecticidal component which is a volatile substance, in the septic tank, vaporized water, sewage splashed by aeration, etc., sordes, a large amount of foam formed by a detergent, etc., attach to the carrier, so that an insect pest controlling capacity decreases.;SOLUTION: The method for controlling insect pest in a septic tank, etc., includes freely housing/installing an insect-controlling agent which is an insecticidal compound, in a sealed container installed separately from the septic tank. By sending the air from a blower to the sealed container, the insecticidal compound vaporizing at a normal temperature is sent to the septic tank by the air, and spread over the space in the septic tank.;COPYRIGHT: (C)2010,JPO&INPIT