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Monetizing Waste Gas to Create Fiscal Value

Traditional oil and gas industry amine gas treating has been around since the 1930s to separate carbon dioxide (CO2) from methane and hydrogen. A simple amine absorbs CO2 to form a soluble carbonate salt. The reaction is reversible and the CO2 can be released by heating the solution in a separate stripping column.

Today, amine-based chemical absorption came up as a potential technology that can be applied to capture CO2 in industrial processes with large exhaust volumes such as cement production and iron and steel manufacturing. This post-combustion approach is the most commercially available industrially developed carbon capture utilization and storage (CCUS) technology.

CleanCap’s solution deployed utilizes a raw gas compression and scrubbing/dehydration followed by a unique inhibited methyl ethyl amine (MEA) CO2 capture set to produce CO2 meeting the current pipeline standards. The specially formulated solvent is used to handle CO2 concentrations up to 25% by volume in the presence of oxygen to limit degradation and corrosion. After solvent regeneration, further compression is implemented to achieve supercritical CO2 for pumping into the primary transmission lines. The system is highly efficient and modeled to achieve greater than 96% CO2 recovery.

CO2 Capture Pipeline 2019 Infrastructure

Courtesy of Denbury Resources, Inc.

CO2 Capture Pipeline & Project 2050 Forecast*

U.S. map showing carbon capture and pipelines

Every scenario for achieving net-zero emissions in the United States will require a buildout of carbon capture technology (though one requires utilizing the captured gas instead of sequestering it), according to the Net-Zero America study. Here, a map of the United States shows where carbon capture pipelines and projects would be in the year 2046 to 2050 under the high biomass (E- B+) scenario, in which bioenergy with carbon capture and storage (BECCS) is a primary energy resource. (Source: Net-Zero America report:

The CleanCap methodology of execution may include some or all of the following steps:

  • Obtain gas access contract after internal modeling

  • Internally analyze and size the project

  • Internally permit the project

  • Internally design and prepare drawings with fixed component pricing

  • Internal group installs and commissions facility

  • Deliver (sell) product(s) against fixed contracts developed by internal group

Advantages of working with CleanCap on a CO2 capture project include a significant CAPEX savings and an accelerated schedule. This allows for viable projects now and quicker movement to revenue to support the financing partner.