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SCRT (Selective Catalytic Reduction + Trap)-

  1. Emission Technology
As early as the 1990s, soot particles could be eliminated from diesel exhaust gases down to the detection limit. HJS has specially developed a Diesel Particle Filter from Sintered Metal (Sintered Metal Filter SMF®) to reduce soot particles and eliminate diesel exhaust gases, and received the German Environmental Prize for it.For the reduction of the gaseous pollutants, in combination with the diesel particle filter, jointly with the project partners Daimler and JohnsonMatthey, HJS has developed the SCRT® system (Selective Catalytic Reduction + Trap). With this modular structured system, nitrogen oxides are also removed almost completely from the diesel exhaust gases.

Key Features



Area of application
The SCRT®system is used both in the private car and commercial vehicle sectors, and is the leading system architecture with vehicles of generation Euro VI/ 6 or EPA 2010 when it involves clean exhaust gases. In addition, at the latest from 2019, Stage V will also be standard on a lot of off-road diesel engines, i.e., for example, in use on construction machines, mining machinery, as well as agricultural and forestry machines.

This technology is also used for fixed-in-place engines or railways, and shipping. HJS SCRT® systems are available both for application in the original equipment and for retrofit.