Without the waste liquid after washing adversely affect the environment, a relatively low concentration of acidic water, in a relatively short period of time by using the reduced water, dirt and bacteria adhering to the container, also to adhere to crops such as vegetables and fruits removing pesticides and bacteria which is to provide a cleaning apparatus and a cleaning method capable. Cleaning method performs a cleaning step for cleaning the containers (B) or crops (A) at reduced water, disinfection with acid water with respect to the said container (B) after the washing step or the crop (A) and disinfecting step, the rinsing step to perform rinsing with rinsing liquid to the said vessel after the disinfecting step (B) or the crop (A), the acidic aqueous liquid waste used in the reduced water waste and disinfectant used for washing The recovered, it is provided above and the purification process for purifying process the reduced water and the acidic water in the photocatalyst material, and a filtration step of filtering by the filter the reduced water and the acidic water after the purification treatment step. The liquid was filtered with a filter, reducing water, it is also possible to provide a recycling method for cleaning apparatus (10) and cleaned by subjecting it for acidic water.洗浄後の廃液が環境に悪影響を与えることなく、比較的低濃度の酸性水、還元水を用いて比較的短時間に、容器に付着する汚れや細菌、また、野菜や果実等の農作物に付着する農薬や細菌を除去することが可能な洗浄装置及び洗浄方法を提供する。洗浄方法は、容器(B)又は農作物(A)を還元水にて洗浄する洗浄工程と、前記洗浄工程後の前記容器(B)または前記農作物(A)に対して酸性水にて消毒を行う消毒工程と、前記消毒工程後の前記容器(B)または前記農作物(A)に対してすすぎ液にてすすぎを行うすすぎ工程と、洗浄に用いた還元水廃液および消毒に用いた酸性水廃液を回収し、前記還元水および前記酸性水を光触媒材料にて浄化処理する浄化処理工程と、前記浄化処理工程後の前記還元水および前記酸性水をフィルターにより濾過する濾過工程と、を備える。フィルターにて濾過した液を、還元水、酸性水用に供することにより循環型の洗浄装置(10)及び洗浄方法を提供することもできる。
