waste impregnated activated carbon for adsorption of toxic gases and / or vapours.

摘要

An adsorbent for removal of toxic materials in respiration and collective filter applications, which consist of a chromium-free activated carbon having impregnated therein a total amount of from 6 to 16% copper and zinc, and optionally impregnated with 0,0 to 10 % silver and 0,0 to 6 % triethylenediamine.