Effect of Sulfated Ash in Lubricant on the Performance and Durability of Diesel Particulate Filter (DPF)

Paper #:
  • 2014-01-2796

Published:
  • 2014-10-13
DOI:
  • 10.4271/2014-01-2796
Citation:
Zhu, H., Li, W., Tao, H., Li, J. et al., "Effect of Sulfated Ash in Lubricant on the Performance and Durability of Diesel Particulate Filter (DPF)," SAE Technical Paper 2014-01-2796, 2014, doi:10.4271/2014-01-2796.
Pages:
7
Abstract:
In order to study and evaluate the effect of sulfated ash in different diesel engine lubricants on the performance and durability of diesel particulate filter (DPF), the two engine oils of API CI-4 and CJ-4 with different sulfated ash levels are used respectively in the durability tests of two DPF systems. Moreover, the pressure drop, ash loading and filtration efficiency of the two DPFs, deposits in the inlets and outlets of the DPFs, intake flow rate and fuel consumption rates of engine are measured and compared. The test results show that: Compared to the API CI-4 which has more ash in the formulation than the API CJ-4, the API CJ-4 shows a markedly excellent performance on the lower ash loading and longer service interval and life for DPF, as well as lower fuel consumption rate for the diesel engine with DPF.
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