Did you know that graphite raschig rings are used in corrosive gasoline treatment processes?




Did you know that Mersen graphite raschig rings are used in corrosive gasoline treatment processes? In the Oil & Gas industries, oil and gas are extracted together and then have to be separated. The gasoline is obtained by the fractioning of the oil through a distillation column. The gasoline contains a large quantity of mercaptans, which must be removed via a cold process named MEROX. They are used for corrosive applications (NaOH, Mercaptans, Disulphide) especially for the overall oxidation reaction to convert Mercaptans into Disulphide. 
Mersen supplies various internals made of Graphilor®3, Fluoropolymer (PTFE, PVDF), metals in massive (tantalum, titanium, hastelloy, zirconium) or CL-Clad® (tantalum).

  • column internals Mersen
  • random packing column Mersen
  • structured packing columns Mersen

Column internals or accessories:

  • Hold-down grids
  • Spargers
  • Liquid distributors, liquid re-distributors
  • Special pipes


Graphite random packing:

  • Raschig rings


Material expertise:

Mersen's internals and accessories are a complementary offer to the columns. Our corrosion-resistant materials are used in the manufacture of internals and accessories.
⇒ GRAPHILOR® 3 IS THE ONLY IMPREGNATED GRAPHITE RESULTING FROM THE COMBINATION BETWEEN ISOSTATIC GRAPHITE AND A SPECIFIC RESIN.
Mersen offers a range of three Graphilor® 3, based on various impregnants (phenolic, carbon and PTFE) which ensure the imperviousness, the resistance to corrosion and temperature as well as the long-term stability.
⇒ CL-CLAD® IS A PATENTED BRAZING PROCESS DEVELOPED BY MERSEN.
In this process, a thin layer of reactive metal (tantalum) can be cladded onto a carbon steel or stainless steel base plate. CL-Clad® technology is perfectly suitable for large thickness when design pressure is high.
This new process offers an excellent resistance to thermal and mechanical shocks, a full vacuum resistance and a superior corrosion resistance against most process fluids.
⇒ ARMYLOR® PTFE IS MERSEN MATERIAL MADE FROM PTFE OR PFA.
Our expertise is the mastering of all PTFE manufacturing processes, such as paste extrusion process, isostatic molding and PFA transfer molding.

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