...Tablets and firebricks found in medicines are manufactured by placing raw powder in a mold and applying high pressure. The method of forming granules by gently stirring a slurry containing a polymer flocculant or a liquid that does not mix with the slurry is called underwater granulation or submerged granulation, and is used in pharmaceuticals and wastewater treatment. There are also other granulation methods, such as a method of extruding a paste-like liquid-containing powder from an extruder, and a granulation method that utilizes the movement of particle groups in a fluidized bed. *Some of the terms used in reference to "submerged granulation" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…薬品などにみられる錠剤や耐火煉瓦などは,原料粉を成形枠の中に入れ,高い圧力を加えることによって製造される。高分子凝集剤を添加したスラリーやスラリーにこれと混合しない他の液体を加えて緩やかにかくはん(攪拌)することによって,造粒体を形成させる方法は水中造粒あるいは液中造粒と呼ばれ,製剤や廃水処理などに応用されている。さらにまた,ペースト状の含液粉体を押出成形機extruderから押し出すことによって造粒を行う方法,流動層における粒子群の運動を利用した造粒法もある。… ※「液中造粒」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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