Name: Mellacarbon™, Mellapak™ & MellapakPlus™ - Packings for corrosive systems
Brand: Sulzer

Main benefits

Excellent wettability, also in aqueous systems
High thermal stability
Small pressure drop per meter packed height

Main applications

HCI separation for production and for HCI recovery (typically in the production of polycarbonate)
MCA / DCA distillation
Production of phosphoric acid
Concentration of hydrofluoric acid
Separation of chlorophenols
SO₂ absorbers
Flue gas cleaning columns
Sea water deaerators

Mellacarbon™

Mellacarbon™ combines all the advantages of a structured gauze packing with the corrosion resistance of carbon.

Key characteristics

Best choice for corrosive applications
Combines all the advantages of a structured gauze packing with the corrosion resistance of carbon
Corrosion proof against caustic solutions, non oxidizing inorganic acids including hydrofluoric acid and carboxylic acids
Excellent wettability, also in aqueous systems
High thermal stability (> 400°C)

Mellapak™ and MellapakPlus™

Structured packing MellapakPlus 252.Y from plastics — MellapakPlus 252.Y from plastics

Mellapak™ and MellapakPlus™

Some Mellapak™ and MellapakPlus™ types are also available in different kinds of thermoplastics. Packings made of polypropylene (PP), post chlorinated polyvinylchloride (PVC-C), polyvinylidene difluoride (PVDF), Teflon^® PFA and polyether ether ketone (PEEK) can be supplied.

Key characteristics

Large number of transfer units per meter, low HTU, depending on the system
Small pressure drop per meter packed height
Most economical load range up to F factor 4 √Pa
Maximum operating temperatures: approximately 110°C for polypropylene, approximately 150°C for PVDF

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