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Urea Training Courses
2 training items found
by:American Petroleum Institute (API) based inWashington, DISTRICT OF COLUMBIA (USA)
Marine DEF, or AUS 40, is an aqueous high-purity urea solution at a concentration of 40% that is needed to operate converters with SCR in applications with large combustion engines. As the name implies, Marine DEF is used in many marine applications but is increasingly used in rail and other land-based ...
by:American Petroleum Institute (API) based inWashington, DISTRICT OF COLUMBIA (USA)
Today, cars and trucks and other applications using diesel engines sold in the United States must meet stringent U.S. Environmental Protection Agency (EPA) emissions requirements. To meet these requirements, many diesel engine manufacturers use Selective Catalytic Reduction (SCR), an emissions aftertreatment technology that converts nitrogen oxides (NOx) in the diesel-engine exhaust stream into ...