PROBLEM TO BE SOLVED: To provide an apparatus for treating an infectious waste liquid, which can be installed in a reduced area or space by reducing the size and simplifying structure, and which efficiently treats an infectious waste liquid at low cost, and to provide a method therefor.SOLUTION: The apparatus for treating an infectious waste liquid includes: a waste liquid storage tank 3 for storing an infectious waste liquid containing infectious microorganisms a reaction tank 5, to which the waste liquid stored in the waste liquid storage tank 3 is supplied, and in which ozone gas and a chemical solution containing chlorine dioxide are sequentially brought into contact with the supplied waste liquid to inactivate the infectious microorganisms in the waste liquid a chemical solution storage tank 6 for storing the chemical solution an ozone gas generation source 7 for generating the ozone gas a chemical solution transportation means 8 for supplying the chemical solution stored in the chemical solution storage tank 6 to the reaction tank 5 a waste liquid circulation means 9 which is to be supplied with the ozone gas from the ozone gas generation source 7, and circulates the waste liquid in the reaction tank 5 and a control means 10 for controlling, in time series, the rate of the chemical solution to be supplied from the chemical solution transportation means 8 to the reaction tank 5 and the rate of the ozone gas to be supplied from the waste liquid circulation means 9 to the reaction tank 5.COPYRIGHT: (C)2012,JPO&INPIT【課題】 構成の小型化および簡素化を図り、占有面積または占有空間を少なくして設置可能とし、感染性廃液を低コストで効率よく処理することができる感染性廃液の処理装置および方法を提供する。【解決手段】 感染性微生物を含む感染性廃液を貯留する廃液貯留槽3と、廃液貯留槽3に貯留される廃液が供給され、供給された廃液にオゾンガスおよび二酸化塩素を含有する薬液を順次接触させて、廃液中の感染性微生物を不活性化する反応槽5と、薬液を貯留する薬液貯留槽6と、オゾンガスを発生するオゾンガス発生源7と、薬液貯留槽6に貯留される薬液を、反応槽5に供給する薬液輸送手段8と、オゾンガス発生源7からのオゾンガスが供給され、反応槽5内の廃液を循環する廃液循環手段9と、薬液輸送手段8から反応槽5へ供給される薬液の供給量および廃液循環手段9から反応槽5へ供給されるオゾンガスの供給量を、時系列的に制御する制御手段10とを設ける。【選択図】 図1
