Title:
微孔性粒子の乾燥方法並びに装置
Document Type and Number:
Japanese Patent JP3535829
Kind Code:
B2
Abstract:
In a process for drying microporous, fluid-containing particles, the heat required for increasing the temperature is supplied by convection by reducing the interfacial tension of the fluid, preferably to 0 to 1/10, in particular to 0 to 1/20, of the interfacial tension of the fluid at room temperature, by appropriately increasing the temperature at from close to the critical pressure to supercritical pressure of the fluid. Furthermore, microporous, three-dimensionally networked particles are prepared by a process in which the drying process is used. In addition, an apparatus is used for carrying out the drying process, the apparatus comprising a pressure container having an inner container and pressure-withstanding outer container and suitable measuring and control apparatuses and pump apparatuses and heat exchangers, the inner container being provided for holding the particles to be dried and a gap being provided between the inner container and the outer container.
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Inventors:
ヴォルフガング ライヒェルト
ハイナー シェリング
フリートヘルム タイヒ
ヘルベルト ケスター
ベルント ツィーグラー
ホルスト クラッツァー
マルティン ガル
ハイナー シェリング
フリートヘルム タイヒ
ヘルベルト ケスター
ベルント ツィーグラー
ホルスト クラッツァー
マルティン ガル
Application Number:
JP2000535586A
Publication Date:
June 07, 2004
Filing Date:
March 11, 1999
Export Citation:
Assignee:
ビーエーエスエフ アクチェンゲゼルシャフト
International Classes:
B01J3/00; C01B33/00; C01B33/12; F26B7/00; F26B21/10; F26B21/14; (IPC1-7): B01J3/00; C01B33/12; F26B21/10; F26B21/14
Attorney, Agent or Firm:
矢野 敏雄 （外４名）