Nitrogen Rejection and C02 Removal Made Easy

Molecular Gate®
     Adsorption Technology

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The Molecular Gate® Technology for CO2 Removal and Nitrogen Rejection

Molecular Gate™ Technology

Molecular Gate System to Remove CO2 and Reject Nitrogen
  • Based on proprietary adsorbents developed for size selective and other difficult separations
  • PSA process cycles are designed to maximize the yield of the product methane
  • Focused on Nitrogen and/or CO2 Removal from natural gas, from Coal beds/Coal Mines, Biogas, landfill gas, etc…
  • Offered as packaged systems by Guild Associates through an exclusive licensing of the technology by Engelhard Corporation
  • Two Dozen projects underway

Pore size Control to Exclude Methane


Pore Size Control to Exclude Methane Diagram


Pressure Swing Adsorption

• 1965 Normal/Paraffin separation
• 1965 Hydrogen purification
• 1970 Oxygen from air
• 1972 Helium purification (Liquid Grade)
• 1974 High purity methane from natural gas
• 1985 Ethylene recovery from reactor vents
• 1992 Equilibrium based N2/CH4 separation
• 1995 Environmental separations
• 2001 Molecular Gate - N2 rejection
• 2002 Molecular Gate - CO2 removal


Relative Adsorption N2 and CO2 and CH4

Relative Adsorption N2 and CO2 and CH4 Diagram


Flows In and Out

Flows In and Out Diagram



The Molecular Gate Adsorption System for Nitrogen Rejection & CO2 Removal


Molecular Gate Adsorption System Molecular Gate System Being Transported
Molecular Gate Adsorption System Being Delivered to a Facility Molecular Gate Adsorption System Installed at a New Facility


Processing Cost - Cents per MCF of Feed 13% N2 & 2% CO2


Feed Processing Cost Diagram



Target Applications - Nitrogen Rejection


Target Applications - Nitrogen Rejection



Processing Cost - Cents per MCF of Feed 8% CO2 Only


Feed Processing Cost - Cents per MCF of Feed 8% CO2 Only Diagram


Target Applications - CO2 Removal


Target Applications - CO2 Removal


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Further Information:

If you would like an evaluation of how the Molecular Gate technology can solve your gas treatment needs simply complete and email back the Estimate Request Form or contact Paul Baker at 614-760-8013 or by email info@moleculargate.com.

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Guild is a licensee of Engelhard's Molecular Gate® Adsorbent Technology and
is solely responsible for all representations regarding the technology made herein.

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