The apparatus 100 includes an air passage housing 10, a charged portion high-voltage electrode 2 that charges floating microorganisms taken into the air passage housing 10, and a charged portion ground electrode 3 that is installed to face the charging portion high-pressure electrode 2. A hydrophilic filter 6 that captures the suspended microorganisms charged by the charged portion high-voltage electrode 2, a capture / inactivation portion high-voltage electrode 5 that dielectrics the hydrophilic filter 6, and the capture / inactivation portion high-pressure electrode 5. And an installed capture / inactivation part ground electrode 7.装置１００は、風路筐体１０と、風路筐体１０内に取り込んだ浮遊微生物を荷電する荷電部高圧電極２と、荷電部高圧電極２と対向して設置された荷電部接地電極３と、荷電部高圧電極２により荷電された浮遊微生物を捕捉する親水性フィルター６と、親水性フィルター６を誘電する捕捉・不活化部高圧電極５と、捕捉・不活化部高圧電極５と対向して設置された捕捉・不活化部接地電極７と、を備えたものである。
