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Table 6 Removal efficiency of adsorbent materials under active conditions after 72 h

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

Adsorbent category

Supplier/adsorbent media

Removal efficiency [%]

HCHO

HCOOH

CH3COOH

Toluene

Alpha-pinene

Pure carbons

A/PC1

n.d.

++b)

++b)

++b)

B/PC2

a)

n.d.

+a)

a)

a)

C/PC3

++a)

++

++

++a)

++a)

Impregnated carbons

A/IC1

n.d.

++a)

+a)

a)

A/IC2

n.d.

+

B/IC3

+

n.d.

++

+

B/IC4

b)

n.d.

++

+

++

B/IC5

+

n.d.

++d)

+d)

++d)

B/IC6

+

n.d.

+a)

b)

+a)

B/IC7

++ a)

n.d.

++a)

a)

+a)

C/IC8

a)

++

++b)

++ a)

+a)

Charcoal cloth & foams

C/CC1

a)

a)

c)

C/CC2

C/CC3

n.d.

b)

++b)

d)

C/CC4

d)

a)

a)

b)

C/CC5

b)

/−b)

a)

/−a)

d)

C/CC6

b)

++

++c)

++

++a)

C/CC7

b)

n.d.

a)

a)

a)

C/CC8

n.d.

a)

a)

a)

A/CC9

n.d.

d)

d)

d)

A/CC10

n.d.

+d)

/−a)

/−a)

Zeolites

D/Z1

n.d.

++

+a)

a)

D/Z2

b)

n.d.

a)

a)

++b)

D/Z3

-b)

b)

D/Z4

b)

c)

+a)

a)

D/Z5

D/Z6

n.d.

++a)

c)

c)

D/Z7

a)

++/+

+a)

D/MS1

+a)

a)

D/MS2

a)

a)

D/MS3

+c)

a)

Others

A/SG1

a)

a)

/−c)

c)

A/SG2

n.d.

a)

A/CF

n.d.

a)

d)

A/PS

A/AC1

/−

n.d.

a)

A/AC2

/−

n.d.

a)

a)

  1. HCHO: formaldehyde; HCOOH: formic acid; CH3COOH: acetic acid; n.d. not detected
  2. ++ very good (< 20%); + good (20–40%); moderate (40–70%); − bad (> 70%)
  3. a) Breakthrough after 24 h; b) Breakthrough after 30 h; c) Breakthrough after 48 h; d) Breakthrough after 72 h