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• Synthetic Natural Gas

Products

Coproducts created at the Synfuels Plant are used in a variety of products.

The Synfuels Plant produces a variety of coproducts that are marketed worldwide.

• Ammonium sulfate is an agricultural fertilizer marketed under the trade name, Dak Sul 45®. Approximately 110,000 tons are produced yearly by a flue gas desulfurization system.
• Anhydrous ammonia is used as fertilizer for farming and as a feedstock for producing various chemicals. Dakota Gas has the ability to produce about 400,000 tons per year and operates a railcar fleet of about 238 cars.
• Carbon dioxide is used for enhanced oil recovery. About 50 billion standard cubic feet are produced annually.
• Dephenolized cresylic acid is used in the manufacture of pesticides and products such as wire enamel solvent, phenolic and epoxy resins and antioxidants. About 33 million pounds are produced annually.
• Krypton and xenon gases are used for specialty lighting, such as high-intensity lighting and lasers, and for thermopane window insulation. About 3.5 million liters of krypton-xenon are produced annually.
• Liquid nitrogen is used for food processing refrigeration, as an oil well additive and in chemical processes. The plant produces about 200,000 gallons of liquid nitrogen each year.
• Naphtha contains products that can be used as a gasoline blend stock, in making solvents and in benzene production. The plant produces about seven million gallons a year.
• Phenol is used for the production of resins in plywood manufacturing and in the casting industry. The plant produces 33 million pounds of phenol annually.
• Synthetic natural gas (SNG) is a gaseous fuel manufactured from coal using the coal gasification process.

Go to the Dakota Gas web site to learn more about coproducts produced at the Synfuels Plant, or contact the Dakota Gas marketing staff at 701.221.4400 for information regarding any of the coproducts listed above.