Isotherms of CH₄ and CO₂ on binderless 13X zeolite at 180–473 K, up to 80 bar.

Cryo-PTSA process design for LNG production.

Dynamic simulations considering GERG-2008 equation of state.

CH₄ recovery of 90.7% and a product stream with 41.8 ppm of CO₂ in CH₄ is obtained.

Productivity of 100.1 mol/kg h and power consumption of 2.2 MW is obtained.