GRANULATED ACTIVE CARBON

PROBLEM TO BE SOLVED: To provide granulated active carbon such that coating of active carbon surface by binder components does not happen and favorable adsorption efficiency is obtained.SOLUTION: Granulated active carbon 2 contains particle-like active carbon 21 and fiber 22. The granulated active c...

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Hauptverfasser:	TAMURA NAOYA, ISHIKAWA TAKAHISA, TOYAMA KIMIYA, YAMAMOTO TAKAYUKI, OTA HAJIME, SATO KAZUHIRO, NAKAJIMA YASUHITO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOUNDS THEREOF INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide granulated active carbon such that coating of active carbon surface by binder components does not happen and favorable adsorption efficiency is obtained.SOLUTION: Granulated active carbon 2 contains particle-like active carbon 21 and fiber 22. The granulated active carbon 2 is made by combination of the particle-like active carbon 21 and the fiber 22. It is preferable that φ/Dwhich is a ratio of average fiber diameter φof the fiber 22 for a central particle size Dof the particle-like active carbon 21 is 0.0009-0.625, and the central particle size Dof the particle-like active carbon 21 is not more than 40 μm.SELECTED DRAWING: Figure 4 【課題】バインダー成分による活性炭表面の被覆が起こらず、好ましい吸着効率が得られる造粒活性炭を提供すること。【解決手段】粒子状活性炭２１と、繊維２２とを含む造粒活性炭２。造粒活性炭２は、粒子状活性炭２１と、繊維２２とが結合してなる。粒子状活性炭２１の中心粒子径Ｄ１に対する繊維２２の平均繊維径φＦの比であるφＦ／Ｄ１が０．０００９〜０．６２５であることが好ましく、粒子状活性炭２１の中心粒子径Ｄ１は、４０μｍ以下であることが好ましい。【選択図】図４