By Srinivas Chowdary Sunkara // petrobazaar // 29th June, 2019.
How to lower emissions in boiler Fuel?
There is a significant amount of oil used as boiler fuel around the globe . The majority of it is residual fuel like Furnace oil, Light Diesel Oil, Pyrolysis oil (Tyre oil, Plastic Oil and rubber oil) since these fuels are economical and cheaper than distillates. However, the stack emissions from the use of such fuels, especially in densely populated urban areas, can be a cause for concern. The emissions of concern include sulfur and nitrogen oxides and particulates, Particularly PM 2.5. There is a misconception that the blending of residuals with the distillates could reduce some or all of these emissions. It is a myth. Hence a case can be made for blending with bio fuels, such as bio diesel, as bio diesel tend to have very little fuel bound sulfur and nitrogen and have been shown in prior work at Brook haven National Laboratory to reduce NOx emissions as well in small boilers.
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