![]() The emission durability depends on the quality of the catalyst coating and on the operating conditions such as temperature or levels of catalyst poisons in the exhaust gas. The following are major catalytic converter design considerations:Įmission performance durability and mechanical durability are the two key aspects of the overall durability of an emission control system. In applications with space limitations, catalysts can be placed inside catalytic mufflers.Ĭatalyst substrates coated with the active catalyst washcoat are packaged in steel housings to form catalytic converters. The design of converter inlet and outlet headers or cones affects the gas flow distribution and pressure drop. ![]() ![]() In each of the technologies, the converter shell geometry has to provide the required mounting density for the mat. A number of converter canning technologies were developed, including clamshell, tourniquet and stuffing. ![]() Specially developed materials and technologies allow the design and construction of extremely durable catalytic converters. Abstract: Ceramic catalyst cores are typically wrapped in mounting mats made of ceramic fibers and packaged into steel housings. ![]()
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