Nitrogen Rejection and C02 Removal Made Easy

Molecular Gate®
     Adsorption Technology

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Pretreatment for LNG Facilities
LNG Pretreatment, LNG Prepurification

LNG Pretreatment Market

Liquefied natural gas (LNG) is rapidly growing in commercial interest.  Before natural gas can be liquefied components that freeze at LNG temperatures, such as CO2 and water, must be removed to very low levels.  The Molecular Gate Technology removes CO2 to levels typically below 50 ppm as required by liquefiers and removes water to less than 1 ppm in a single step.
Feed sources for treatment can include pipeline or wellhead natural gas, landfill gas or biogas.

The technology can also be used to remove nitrogen prior to liquification to permit higher liquefier efficiency.

LNG Pretreatment System for LNG Facilities LNG Pretreatment System for LNG Facilities

Processing Steps for LNG Pretreatment

In LNG pretreatment the feed gas at 50 – 500 psig is introduced to the Molecular Gate system where CO2 and water is adsorbed on the adsorbent while high recovery rates of methane are achieved.  The rejected tail gas contains the CO2 and water and any lost hydrocarbons and is commonly used as fuel.

LNG Pretreatment Information

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


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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