| 摘要 |
PROBLEM TO BE SOLVED: To provide the subject method and apparatus capable of uniformly and effectively treating in a low bath ratio a long-stem plant such as rush without bending the long stems. SOLUTION: This apparatus has a treatment tank 1 mounted with a treatment liquid circulation piping 7, an inner tank 2 mounted inside the tank 1 and having a peripheral wall 2a formed of perforation-free plate and bottom 2b formed of perforated plate, and a press lid 3 formed of perforated plate; further, this apparatus is designed to furnish a treatment liquid circulating path so as to repeatedly pass a treatment liquid X vertically inside the inner tank 2 in such a state as to mount the inside of the treatment tank 1 with the inner tank 2 loaded with a number of stems of a long-stem plant A perpendicularly.
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