The effect of a H2/CO mixture at varying ratios on the diesel particulate filter regeneration process: Towards an optimised fuel reformer design - Diesel engine aftertreatment system

The effect of a H2/CO mixture at varying ratios on the diesel particulate filter regeneration process: Towards an optimised fuel reformer design - Diesel engine aftertreatment system
复制标题

不同比例的 H2/CO 混合物对柴油颗粒过滤器再生过程的影响:优化燃油重整器设计 - 柴油发动机后处理系统

DOI:
10.1016/j.ijhydene.2012.06.035
复制
发表时间:
2012
影响因子:
7.2
通讯作者:
Hemmings S
Hemmings S
中科院分区:
工程技术2区
文献类型:
--
作者:
Hemmings S

文献摘要

相似文献

本文所述的工作旨在协助开发一种废气燃料重整器,以提高柴油微粒过滤器(DPF)的后处理性能。这是通过在标准DPF再生过程中引入浓度为6% (v/v)的不同混合比的h2和CO来实现的,以确定最佳混合比。除此之外,还进行了过滤前后的排放测量,以确定附加混合物对各种排放成分的影响。h2o与CO的混合比例为60%,为最佳混合比例。这是由于这种配置在相对较低的平均过滤温度(约630°C)下显示出最熟练的再生曲线之一。此外,还注意到在再生过程中添加H2or H2and CO导致NOx后过滤器增加,而总碳氢化合物减少。此外,H2/CO混合物的添加导致co2后过滤器的增加,其水平与引入混合物中所含的CO体积成正比。
The work described in this paper aims to assist in the development of an exhaust gas fuel reformer for the enhancement of diesel particulate filter (DPF) aftertreatment performance. This was achieved by introducing H2and CO at various mixture ratios at a concentration of 6% (v/v) to a standardised DPF regeneration process in order to identify an optimised mixture ratio. In addition to this, emission measurements were performed pre and post filter to identify the impact of the additional mixtures on various emission components. A mixture ratio of 60% H2balanced with CO was identified as the optimised mixture ratio. This was due to this configuration demonstrating one of the most proficient regeneration profiles at a relatively low mean filter temperature of approximately 630 °C. Further to this, it was also noted that the addition of H2or H2and CO to the regeneration process resulted in an increase in NOx post filter while total hydrocarbons were reduced. Furthermore, the H2/CO mixture addition resulted in an increase in CO2post filter, the levels of which were proportional to the volume of CO contained within the introduced mixture.