Abstract
One of the most effective methods towards improving the environmental safety of combustion engines is the application of specially prepared water-fuel emulsions (WFE). The application of WFE makes it possible to reduce primary sulfur fuel consumption and reveals the possibility of capturing the pollutants from exhaust gases by applying condensing low-temperature heating surfaces (LTHS). In order to realize such a double effect, it is necessary to investigate the pollution processes on condensing LTHS of exhaust gas boilers (EGB), especially the process of low-temperature condensing a sulfuric acid vapor from exhaust gases to investigate the influence of condensing LTHS on the intensity of pollutants captured from the exhaust gases. The aim of this research is to assess the influence of the intensity of pollutants captured from exhaust gases by condensing LTHS in dependence of water content in WFE combustion. Investigations were carried out at a special experimental setup. The processing of the results of the experimental studies was carried out using the computer universal statistical graphic system Statgraphics. Results have shown that in the presence of a condensing heating surface, the degree of capture (purification) of pollutants from the exhaust gas flow is up to 0.5–0.6.
Highlights
The general trend in combustion engines is the reduction of harmful emissions into the atmosphere
The pollutants captured from exhaust gases enable deeper exhaust gas heat utilization that results in enhancing the heat capacity of exhaust gas boilers (EGB) and economic efficiency of whole marine power plants based on internal combustion engines (ICE)
Combustion of sulfur fuels in ICE is accompanied by the emission of toxic ingredients
Summary
The general trend in combustion engines is the reduction of harmful emissions into the atmosphere. The pollutants captured from exhaust gases enable deeper exhaust gas heat utilization that results in enhancing the heat capacity of EGB and economic efficiency of whole marine power plants based on internal combustion engines (ICE) Such deep waste heat recovery techniques are quite appropriate for combined cooling (air conditioning as a widespread version [1,2]), trigeneration or integrated energy systems [3,4], as well as for transport applications [5,6]: railway [7,8] and marine [9,10]. This, leads to a decrease in emissions of harmful particles into the atmosphere
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