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Table 2 Some typical packing materials

From: Honeycomb wet scrubber for acidic gas control: modeling and long-term test results

Packing materials a D × Z or L × WT × Z (cm) Bulk density
(kg m− 3)
Specific surface area (m2 m− 3) L/G ratio (L m− 3) Pressure drop (Pa) Reference
Honeycomb 30*30 160 483 26 b 59.8 This study
Honeycomb 30*30 160 483 18.5 23.5 [14]
MPPM 30*30*30 920 327 18.5 23.5 [11]
Polypropylene ball (2.5 cm) 47*40*40 139 379 1.5–3 <  196 [21]
Ceramic intalox saddle (2.5 cm) 30*61 610 250 1.4–2.1 265–1932 [29]
Raschig ring (1.3 cm) 30*61 350 1.4–2.1 294–1058 [29]
Polyethylene knit packing 14*10 150 3.0 ~ 2000 [27]
SS wire mesh packing 14*10 500 3.0 ~ 2000 [27]
  1. aPacking dimensions: diameter × height (D × Z) or length × width × height (L × WT × Z); b Theoretical value