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Completed projects >  Helium refining as part of Sayansky complex of natural gas processing, ethylene and helium recovery

Helium refining as part of Sayansky complex of natural gas processing, ethylene and helium recovery



OAO Sayanskkhimplast

Customer: OAO Sayanskkhimplast (TNK-BP)
Work description: Helium refining as part of Sayansky Complex of natural gas processing, ethylene and helium recovery
Types of works performed: design documentation development, passing of expert review
Capacity: 4.0 bln m3/year
Year: 2006

In 2006, LENNIIHIMASH Group carried out design documentation of helium refining complex (Sayansk) for ZAO KRIOPLAST as part of natural gas processing, ethylene and helium recovery complex OAO Sayanskkhimplast. Helium refining includes helium concentrate recovery division.
Raw gas from Kovykta gas condensate field was supposed to be used as a feed.
The capacity of the helium production facility for methane fraction is 2.75 bln n.m3/year (1st stage) and 4.0 bln n.m3/year (2nd stage). Capacity fluctuations from -30% to +15%.
Recovery factor – not less than 99%.

Composition of raw gas:

Helium concentrate composition Composition, % mol.
He 0,20
H2 0,05
N2 1,72
CH4 97,87
C2H6 0,23
CO2 0,01

 


Photos are provided by the press service of OAO Sayanskkhimplast