vacuum filter

...The filter leaves can be shaped in various ways, such as cylindrical, and some have a rotating structure. (c) Vacuum filter This is a method of reducing the pressure on the discharge side of the filter medium and applying atmospheric pressure from the upstream side to perform pressurized filtration. Naturally, the pressure never exceeds 1 atmosphere, but since it is easy to operate continuously, it is widely used mainly as a continuous filter. However, there are also batch types, and some, such as the Nutsche filter used for filtration tests, take advantage of the fact that the structure is simple.

*Some of the terminology that mentions "vacuum filter" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…ろ葉の形を円筒形など種々のものにし，またそれを回転させる構造のものもある。(c)真空ろ過機vacuum filter　ろ材の排出側を減圧して上流側からの大気圧で加圧ろ過を行う方法で，当然加圧力は1気圧を超えることはないが，連続操作を行いやすいので，おもに連続ろ過機として広く用いられている。ただし回分式もあって，とくにろ過試験を行うヌッチェのように，構造が簡単になる点を利用したものもある。…

※「vacuum filter」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