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The rapidly growing industry of exhaust particle filtration (DPF) and air filters now strongly focuses on Diesel exhaust and similar submicrometer particles. This creates the need for new development tools such as the controlled production of soot aerosol.
In a typical application, a new filter material or catalyst design is tested by loading it with particles from a soot generator located upstream of the filter sample under test. Before, during and after loading, particle characteristics such as mobility size distribution and surface chemistry are measured upstream and downstream of the filter sample to investigate how it reduces or changes the particles.
Internal combustion engines often cannot provide the level of stability and reproducibility of particle size and concentration required for this application, and require costly resources for their operation. Matter Engineering provides a large range of specialised products for filter testing, from the aerosol generation to particle sampling, dilution and characterisation.
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