Eaton plans urea-free SCR system

Jan. 8, 2009
Eaton Corp. has entered into a global, non-exclusive licensing agreement with Clean Diesel Technologies, Inc. to use its Advanced Reagent Injector System (ARIS) technology

Eaton Corp. has entered into a global, non-exclusive licensing agreement with Clean Diesel Technologies, Inc. to use its Advanced Reagent Injector System (ARIS) technology for the injection of hydrocarbon fuel in emissions reduction applications, the company announced.

According to Eaton, the company’s aftertreatment and fuel-dosing systems, targeted for production to begin in 2011, will reduce NOx and particulate matter (PM) emissions from diesel engines. Eaton’s integrated aftertreatment system does not require the use of additional urea for NOx reduction, meeting EPA and international regulation requirements without the need for on-vehicle storage, replenishment and infrastructure that a urea-based system requires, the company said.

Glenn McDaniel, communications program manager for Eaton, told FleetOwner that the technology is already in field testing, but said that it will initially be aimed at off-road applications such as agriculture, construction and forestry. The technology could be configured for on-highway use, McDaniel noted.

Eaton said that the technology, designed for use in all types of combustion engines, can also be applied to the regeneration of diesel particulate filters (DPF) and lean NOx traps, using a single emissions reduction fluid to provide injector cooling. It is also easier to manufacture, install and operate than compressed air systems, the company added.

“Eaton has taken two NOx-reducing technologies and packaged them into a system where they can work together, taking advantage of several catalytic reactions to reduce harmful emissions,” said Dr. Bernhard Steiner, CEO of Clean Diesel. “We are pleased to provide a key technology that will help reduce global emissions and that supports Eaton’s commitment to environmental sustainability.”

“Eaton’s versatile solution makes use of diesel or fuels from renewable resources to meet emission standards without the logistical and cost-related issues associated with on-board urea storage and wide-scale urea distribution,” said Vishal Singh, manager for Eaton’s aftertreatment business unit. “Clean Diesel’s patented technology, when combined with our own in this unique way, will enable our customers to benefit from an aftertreatment system that is simple yet effective in significantly reducing PM and NOx emissions.”

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Justin Carretta

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