PROBLEM TO BE SOLVED: To provide a filter apparatus for cleaning waste water of vegetables which purifies even low-temperature waste water efficiently for reuse, secures stable operation over a long period and is high in life and low-cost.SOLUTION: A filter apparatus for cleaning waste water of vegetables includes a pretreatment tank 3 which is supplied with low-temperature cleaning waste water of vegetables as raw water, a membrane filter tank 4 which is supplied with the cleaning waste water treated in the pretreatment tank, a porous resin support 5 which is charged into the pretreatment tank and the membrane filter tank, adsorbs floating matter in the cleaning waste water and supports microorganisms, oxygen supply means 7 of enriching oxygen in the cleaning waste water in the pretreatment tank, an in-liquid membrane 8 which is arranged in the membrane filtration tank and filters the cleaning waste water and gas blowing means 9 of blowing bubbles into the membrane filter tank.【課題】低温の排水でも効率的に浄化して再利用でき、長期間にわたり安定して運転できる高寿命且つ低コストの野菜の洗浄排水ろ過装置を提供する。【解決手段】原水として低温の野菜の洗浄排水が供給される前処理槽3と、該前処理槽で処理された洗浄排水が供給される膜ろ過槽4と、前記前処理槽および前記膜ろ過槽の内部に投入され、洗浄排水中の浮遊物質を吸着するとともに微生物を担持する多孔質性樹脂担体5と、前記前処理槽中の洗浄排水を酸素富化する酸素供給手段7と、前記膜ろ過槽の中に設置され、洗浄排水のろ過を行う液中膜8と、前記膜ろ過槽の内部に気泡を送り込む送気手段9とを備える。【選択図】図1