…When a mixture of cohesive particles or particles dispersed at a certain concentration is stirred thoroughly in a container to make it uniform and then left to stand, a clear liquid layer forms at the top over time, and a clear boundary surface formed between the clear liquid layer and the particle mixture layer moves downward, while a layer of high concentration rises from the bottom. This phenomenon is called hindered settling, and the relationship between the clear interface height and time at this time is expressed by a batch settling curve. A typical example is shown in the figure. … *Some terminology explanations that mention "hindered settling" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
… 凝集性粒子あるいは粒子濃度がある程度以上大きな濃度で分散している混合液を容器中でよくかきまぜ均一にしたのち静置すると,時間経過とともに上方に清澄液層ができ,清澄液層と粒子混合層との間に形成された明りょうな境界面が下方に移動するのと同時に,濃い濃度層が底部から上昇する現象が観察される。この現象を干渉沈降hindered settlingといい,このときの清澄界面高さと時間との関係は回分沈降曲線で表される。その代表的な例を図に示す。… ※「hindered settling」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 |
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