ADSORBENT FOR INDIVIDUAL RESPIRATORY ORGAN PROTECTION MEANS Russian patent published in 2004 - IPC

FIELD: sorbents and civil defense. SUBSTANCE: invention relates to manufacturing coal-based adsorbents, in particular to manufacture of adsorbent for individual respiratory organ protection means intended for adsorption organic vapor mixture (benzene, toluene, cyclohexane, etc.), inorganic gases and vapors (sulfur hydride, hydrogen cyanide, chlorine, etc.), or mixture of inorganic and acidic gases and vapors (sulfur dioxide, hydrogen chloride, hydrogen fluoride, etc.), or mixture of all above-named substances. Subject adsorbent contains 0.5-4.9% copper oxides (as Cu), 3.0-17.0% sodium and/or potassium carbonate, and activated carbon. The latter is characterized by summary pore volume 0.75-1.25 cu.cm/g. EFFECT: prolonged protection time. 2 cl, 4 tbl