Columns, reactors and pressure vessels


A wide range of columns: graphite, tantalum, Titanium, Zirconium, PTFE, PFA…

Mersen designs and manufactures columns (including internals and packing) in graphite, PTFE lined, reactive metals (tantalum, zirconium) and metals (titanium, nickel alloys, stainless steel, carbon steel) compliant with demanding process constraints such as corrosion, high pressure and high temperature.

Pressure vessels

Mersen is a worldwide recognized designer and manufacturer of pressure vessels made out of different materials ranging from stainless steel and nickel alloys up to sophisticated anticorrosive solutions such as titanium, zirconium and tantalum.


Decades of experience allow Mersen to provide any design including solid, lined and cladded construction. Since 2006, Mersen has successfully developed its own patented Clad technology called CL-Clad®.

Quality and security

  • Our engineering capabilities comply with international standards such as ASME, AS ADM, JIS, CODAP or RTOD.
  • Columns and pressure vessels also are fully in accordance with international certifications: ASME U stamp, PED, ISO 9001, ISO 14001, OHSAS 18001, SELO, KGS, GOST-R.
  • Mersen masters all available welding processes such as GTAW, GMAW, SAW, PAW, FCAW, SMAW.

Worldwide production

To serve its international customers, Mersen operates its business through American, European and Chinese first-class production plants representing more than 220 000 m2 of shopfloor.

Graphite columns

Graphite columns

Stripping and absorption columns in Graphilor®, Mersen fine grain isostatic graphite

Zirconium columns

Zirconium columns

Mersen's zirconium column for acetic acid production or speciality chemicals production

Zirconium pressure vessel

Zirconium pressure vessel

Mersen's zirconium pressure vessel for chemicals and acetic acid production

Fluoropolymer columns

Fluoropolymer columns

Mersen Armylor® stripping column: carbon steel with PTFE coating for HCl manufacturing

Titanium pressure vessels

Titanium pressure vessels

Titanium tanks and pressure vessels for chemicals, hydrometallurgy and speciality chemicals

Nickel alloys pressure vessels

Nickel alloys pressure vessels

Nickel alloys pressure vessels for chemicals, fertilizer industry and pharmaceuticals

Columns internals and packing

Columns internals and packing

Mersen's columns internal and packing: demisters, packing rings (Pall rings, raschig rings), structured packing, random packing…

ACE Bangalore Office

Bangalore Sales Office

No 5 Bommasandra Industrial Area
Annekal Taluk
560099 Bangalore, Karnataka

T: +91 80 68455211

ACE Pagny-sur-Moselle Office
Sales & Engineering

French Sales Office

1 rue Jules Ferry
54530 - Pagny-sur-Moselle

T: +33 (0)3 83 81 60 81

ACE Xianda Office
Sales & Engineering

Chinese Sales Office

201411 Shanghai

T: +86 21 57 52 77 77

ACE Salem Office
Sales & Engineering

American Sales Office

540 Branch Drive VA
24153 Salem

T: +1 540 389-7535

Reactors, columns, vessels

27/06/2017 - 3.05 MB