FILTERING CARTRIDGE, OBTAINED BY WET PROCESS, FOR THE FILTRATION OF GASES, PARTICULARLY HOT AND/OR RADIO-ACTIVE AND/OR CORROSIVE GASES

This invention relates to a filtering cartridge, without asbestos, for the filtration of gases, in particular of hot and/or radio-active and/or corrosive gases. Said cartridge is composed of a substantially cylindrical, hollow body, closed at one of its ends and open on the other end, containing at...

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Bibliographische Detailangaben
Hauptverfasser:	CARPENTIER, SERGE, DE TASSIGNY, CHRISTIAN
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	DECONTAMINATION ARRANGEMENTS THEREFOR GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS NUCLEAR ENGINEERING NUCLEAR PHYSICS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PHYSICS PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULARRADIATION OR PARTICLE BOMBARDMENT SEPARATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS TRANSPORTING TREATING RADIOACTIVELY CONTAMINATED MATERIAL
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Beschreibung
Zusammenfassung:	This invention relates to a filtering cartridge, without asbestos, for the filtration of gases, in particular of hot and/or radio-active and/or corrosive gases. Said cartridge is composed of a substantially cylindrical, hollow body, closed at one of its ends and open on the other end, containing at least 50% by weight of alumina and/or zircon and possibly being provided with means for supporting it on a plate; said body being obtained by moulding in vacuo of a slip comprising fibers of alumina and/or zircon whose diameter is less than 20 .mu.m and length less than 25 mm, colloidal silica, at least one organic binding agent and at least one deflocculant, then drying and heat treatment at a sufficient temperature to volatilize the or each organic binding agent and the or each deflocculant.