CO2 capture directly from emission streams. No catalysts or solvents needed. Simple add-on to existing plants. No isocyanate for polyurea production.



The University of North Dakota has developed a method to extract carbon dioxide (CO2) directly from combustion emission streams using a wide range of amines, the selection of which tailor the structure and performance of the polyurea end products. The reaction produces carbamate salt intermediates, which can be converted into polyureas without isocyanate or other chemicals.


Production of slow-set polyurea, which can be compression molded, or used to produce fiber (example shown) or film
In combination with other materials to produce coatings, lining, varnish, etc.


CO2 capture directly from emission streams that also contain water vapor (H20) and nitrogen (N2), etc.
No catalysts or solvents needed
Simple add-on to existing plants, capturing sulfur dioxide (SOx) and nitrogen oxides (NOx) in the emission at the same time
No isocyanate for polyurea production


This technology involves passing a CO2-containing emission stream through a chamber containing amines (which react with CO2), and allowing other materials to pass through. The reaction produces carbamate salts, which are in turn used to produce polyurea.


UND #12-02 ~ US20140024800


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