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Table 7 Removal efficiency of adsorbent materials under passive conditions after 72 h

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

Adsorbent categorySupplier/adsorbent mediaRemoval efficiency [%]
HCHOHCOOHCH3COOHToluenealpha-pinene
Pure carbonsA/PC1++++++++++
B/PC2++++++++++
C/PC3++++++++++
Impregnated carbonsB/IC3++++++++
B/IC5+++++++
B/IC6++++++++
B/IC7++++++++++
C/IC8++++++++++
Charcoal cloth & foamsC/CC1+d)++++b)++++
C/CC6++++++++++
C/CC7++++++++++
A/CC10+c)++++c)++++
ZeolitesD/Z2+++++d)++
D/Z6+c)++++c)b)b)
OthersA/SG2/−a)++++b)
  1. HCHO: formaldehyde; HCOOH: formic acid; CH3COOH: acetic acid
  2. ++ very good (< 20%); + good (20–40%); moderate (40–70%); − bad (> 70%)
  3. a) Breakthrough after 6 h; b) Breakthrough after 28 h; c) Breakthrough after 48 h; d) Breakthrough after 72 h