Sioux City-Terra Industries Inc. reports that it has executed a license agreement whereby Kemira Specialty has granted to Terra Environmental Technologies (TET) certain exclusive rights to Kemira’s Denoxium® product and technology in the U.S., Canada, and Mexico. TET will market the product under the brand name TerraCairTM. Selective catalytic reduction (SCR) systems are used in conjunction with nitrogen-based products (usually urea) to reduce nitrogen oxide (NOx) emissions from diesel engines. This technology is commonly used in Europe to meet emissions standards for heavy-duty vehicles, and those same standards are beginning to take effect in North America. Kemira has developed Denoxium – a mixture of urea, ammonium formate, and water – as a fully compatible and interchangeable replacement for urea in such systems. TerraCair offers users a number of benefits over urea in SCR applications. Most significantly, it will perform better at lower temperatures – urea crystallizes at -11C (-12F), whereas TerraCair is effective at temperatures as low as -30C (-22F). The product is also biodegradable, safe to handle, cost effective, and non-corrosive. Kemira Specialty, a business area of Kemira Oyj, is the leading expert in specialty chemicals in selected customer segments and serves customers in a wide array of industries, such as the paints, cosmetics, packaging inks, feed, and food industries, through its customer-driven solutions.
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