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Fig. 3 | Heritage Science

Fig. 3

From: Adsorbent media for the sustainable removal of organic air pollutants from museum display cases

Fig. 3

Standardized decay curves of formaldehyde under active conditions after passing the adsorbent beds. Adsorbent media are representatively selected for each sorbent group. Occurred breakthrough after 24 h is marked with an asterisk. PC1: pure activated carbon (unimpregnated coconut shells), IC7: charcoal impregnated with NaMnO4, CC10, alkaline impregnated charcoal cloth, Z6: synthetic zeolite (type X crystal), SG2: silica gel (90% SiO2; lithium chloride). For further information, refer to Table 3

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