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The race for landmark CCS project: North Dakota approves Class VI well for Red Trail Energy

10/27/2021

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Thanks to the North Dakota Industrial Commission (NDIC) blessings, Red Trail Energy LLC (RTE) is now able to commercially capture, compress, and inject 180,000 tons of carbon dioxide per year into the Broom Creek Formation on its property for permanent geologic CO2 storage.

Watchdog work at Flickertail State on geologic sequestration of CO2 is unrivaled in the country. As of 2018, North Dakota was the first state to receive primacy for Class VI wells from the United States Environmental Protection Agency (EPA), followed by Wyoming only in 2020.

And now a breakthrough was achieved: RTE may geologically store CO2 at its ethanol facility near Richardton after approval from the Department of Mineral Resources (DMR) on October 19. In addition to deciding the financial obligations, the orders confirm the creation of the required pore space for the reservoir storage required to operate the facility.

RTE's initial construction was as a coal-fired ethanol plant, but in 2016 it was converted to natural gas. On an annual basis, RTE produces 59-64 million gallons of ethanol using 21-23 million bushels of corn. The resulting fermentation process at RTE releases approximately 180,000 metric tons of high-purity CO2 every year during ethanol production. Accordingly, RTE has received approval to commercially capture (dehydrate and compress) and inject 185,000 metric tonnes of CO2 into the Broom Creek Formation on its property for permanent geologic CO2 storage.

A project developed by Red Trail in conjunction with the Energy & Environmental Research Center ensures that carbon dioxide can be stored safely for generations to come. In response to such a policy, the company's innovative and rigorous approach was commended by the watchdog for setting the standard for future carbon capture applications.

The EPA classifies wells into various categories. Geologic sequestration refers to injecting CO2 deep into rock formations for long-term storage - Class VI well is used to do this. The goal of geologic carbon sequestration is to reduce or eliminate the release of carbon dioxide into the atmosphere by storing the gas in deep geologic formations.

It is possible to capture carbon dioxide from stationary sources such as power plants and other large industrial facilities, compress it, and inject it into porous, permeable geologic layers, where it will remain relatively isolated. A layer of impermeable rock must be deposited over the geologic formation where the CO2 is stored to keep it in.

The state's geological resources were first evaluated 18 years ago, and North Dakota policymakers developed the legal and regulatory framework for geological storage 12 years ago. As North Dakota continues to develop its abundant geological resources, the approval of the RTE permits represents a major milestone.

Additionally to the permits, RTE received a $25 million loan from the USDA under the Rural Energy for American Program in September 2021 for its carbon capture and storage project (CCS). Simultaneously, a $500,000 matching grant from the NDIC was awarded to the Energy and Environment Research Center for the development of the RTE CCS project back in June.

Article Tags

Bakken
bioethanol
Broom Creek Formation
carbon capture storage (CCS)
carbon footprint
Environmental Protection Agency
geologic CO2 storage
natural gas maps
North Dakota
Onshore
Red Trail Energy
renewable energy
wells

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