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  • Prior to contracting with Electro-Motion, we did our own maintenance, which was very little due to lack of qualified staff and budget concerns. We have four diesel units at our various high schools and none were in great operating condition. Electro-Motion came in and provided us with professional services and brought our generators up to full operational capability. We are also considered emergency shelters due to unforseen natural disasters; and we need our generators to support this type of operation.

    John Schultz
    Director of Operations/Maintenance/Health-Safety & Transportation
    Jefferson Union High School District

    Diesel Particulate Filters

    June 30, 2014

    A diesel generator's exhaust releases a significant amount of unwanted particulate matter (ranging from carbon monoxide and hydrocarbon to volatile organic compounds and hazardous pollution) into the air. This is unwanted in any circumstance but is particularly undesirable when situated near a school, daycare, or nursing home or the generator is positioned in a way that the exhaust can be sucked back into your building's ventilation system.

    A diesel particulate filter (DPF) traps particulate matter - also known as soot - from the engine's exhaust; maximizing the reduction of particulate matter emitted by your generator (up to 90% or more) as well as minimizing diesel smoke and odor. Additionally, when the engine exhaust reaches a certain temperature, the particulate matter captured in the filter is oxidized and burned off; effectively cleaning itself (this is called 'passive regeneration') and extending its usefulness. Some DPFs are also designed to reduce the noise level of the engine, eliminating the need for a separate silencer or muffler.

    A number of different regulatory, environmental, noise, and smell factors are increasingly creating challenges. A combination of the right engineering and new offerings from DPF manufacturers can provide a custom solution for most situations. Look into a CARB Level 3+ verified DPF system, designed for diesel engines of all operating conditions. This could be a great solution for your Emergency Standby Power System.




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