PROBLEM TO BE SOLVED: To provide an adsorption column for cleaning processing that prevents drift current and stagnant generated in a liquid flow inside a column, lowers pressure loss inside the column and is excellent in liquid cleaning performance, and to provide a cleaning processing unit.SOLUTION: An adsorption column for cleaning processing controls an average area of holes provided in a pipe, a rate of pierced holes and a shortest distance between a center of gravity of one hole and a center of gravity of the other hole adjacent to each other to prevent drift current and stagnant generated in a liquid flow inside the column, lower pressure loss inside the column and have excellent liquid cleaning performance, and to provide a cleaning processing unit.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】カラム内部の液体の流れに生じる偏流や滞留を防ぎ、カラム内部の圧力損失を低下させ、液体の浄化性能に優れた浄化処理用吸着カラムおよび浄化処理ユニットを提供する。【解決手段】パイプに設けられた孔の平均面積、孔の開孔率、隣り合う一つの孔の重心と他の孔の重心との最短距離を制御することにより、カラム内部の液体の流れに生じる偏流や滞留を防ぎ、カラム内部の圧力損失を低下させ、液体の浄化性能に優れた浄化処理用吸着カラムを提供する。【選択図】図1
