SORBENT-CATALYST PREPARATION METHOD

FIELD: sorbents. ^ SUBSTANCE: objective of invention is treatment of industrial gases and use in individual gas masks. Preparation procedure comprises providing impregnation triethylenediamine solution (concentration 0.9-1.3 wt %) and impregnating metal-containing activated carbon granules, ageing t...

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Bibliographische Detailangaben
Hauptverfasser:	NEFEDOVA Z.A, MUKHIN V.M, KRAJNOVA O.L, DVORETSKIJ G.V, MECHKOVSKIJ L.V, DIMKOVICH N.T, FROLOV N.A, CHEBYKIN V.V, KHAMKIN V.L
Format:	Patent
Sprache:	eng ; rus
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
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Beschreibung
Zusammenfassung:	FIELD: sorbents. ^ SUBSTANCE: objective of invention is treatment of industrial gases and use in individual gas masks. Preparation procedure comprises providing impregnation triethylenediamine solution (concentration 0.9-1.3 wt %) and impregnating metal-containing activated carbon granules, ageing the latter and heat treatment at 110-150 at temperature raise rate 1-4/min, impregnation solution volume constituting 0.8-0.9 summary pore volume in substrate. ^ EFFECT: substantially increased protective capacity with respect to chlorocyane in thin layer at high relative humidity. ^ 3 cl, 3 ex