Centrifugal extractor - Centrifugal extractor

Japanese: 遠心型抽出器 - えんしんがたちゅうしゅつき
Centrifugal extractor - Centrifugal extractor

...For example, there are types that use rotating blades or disks to improve the contact between the two phases within the stages (Mexican tower, rotating disk extraction tower, etc.), spray towers that have multiple stages using perforated plates (perforated plate extraction towers), and pulse columns that are designed to apply pulsation to the spray tower to smoothly generate droplets of light liquid from the perforated plates and to uniformly disperse them. In addition, for extraction systems that take a long time to separate the two phases, various centrifugal extractors have been developed that use centrifugal force to increase the separation speed.
[Solid Extraction]
In solid extraction, solid particles are brought into contact with the extractant, but because the diffusion rate within the solid is small, a concentration distribution of the extractant occurs within the solid, and this changes slowly over time.

*Some of the terminology used to describe "centrifugal extractors" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…たとえば回転する翼や円板を用いて段内における2相の接触をよくしたもの(メキシコ塔,回転円板抽出塔など),スプレー塔を多孔板により多段化したもの(多孔板抽出塔),さらにこれに脈動を与えて,多孔板からの軽液の液滴の生成をスムーズに行い,かつ分散を均一にするように考案されたパルスコラムなどが開発されている。また,2相の分離に時間のかかる抽出系のためには,遠心力により分離速度を上昇させる遠心型抽出器も各種開発されている。
[固体抽出]
 固体抽出は,固体粒子と抽剤とを接触させるのであるが,固体内の拡散速度が小さいので固体内において抽質の濃度分布が生じ,これが時間の経過とともにゆっくり変化する。…

※「遠心型抽出器」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

<<:  Centrifugal clutch - Enshin Clutch

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