Sulphur oxide sox exhaust gas cleaning systems egcs are principally. Exhaust gas recirculation has been used in gasoline engines to reduce nox formation and partload throttle loss for many years. Characterization of the exhaust gas condensate ph values. Characterization of the exhaust gas condensate ph values of.
Condensing boiler manufacturers claim that up to 98% thermal efficiency can be achieved, compared to 70%80% with conventional designs based on the higher heating value of fuels. The composition of exhaust gases from diesel, gasoline and propane powered motor coaches martin a. Gri850282, technology development for corrosionresistant condensing heat exchangers. The composition of exhaust gases from diesel, gasoline and. Rounds general motors research laboratories detroit, michigan airpollution studies have shown that certain constituents in exhaust gases from automotive vehicles may. Searched for condensate in all fields 27 results found a. The feedstock mixture of gas, liquid condensate and water is then routed to a high pressure separator vessel where the water and the raw natural gas are separated and removed. The condensate trap is absolutely mandatory for a highefficiency gas furnace.
The composition of the gas condensate liquids is dependent upon the type of natural gas and the composition of the natural gas. Watch the video on gascondensate and never forget the hazards of gascondensate. Frequent cold starts within a short period of time are realized easily. Hydrocarbon liquid dissolved in saturated natural gas that comes out of solution when the pressure drops below the dewpoint. Dry scrubber units do not use any liquids in the process as exhaust gases. Exhaust gas condensate formation, characterization and. Corrosion of aluminium charge air coolers in exhaust gas condensates. Pdf experimental study of composition variation during flow of. They achieve high efficiency by condensing water vapour in the exhaust gases and so recovering its latent heat of vaporisation. Composition variation during flow of gascondensate wells. The driving profile relies on a repeated cold start section followed by a partial load section. Some gas species within the raw natural gas will condense to a liquid state if the temperature is reduced to below the hydrocarbon dew point temperature at a set pressure.
The production of condensate also requires the installation of a heat. You can register individually directly on the hselife nl site or as a company by. New definitions needed for condensate and gas liquids. Detailed analysis of these condensable exhaust components and understanding of condensate composition becomes of increasing importance with the growing relevance of exhaust gas recirculation egr cooling and when thinking of exhaust gas as a potential water source. Condensate ph was also measured experimentally for these running conditions to attempt to verify the calculations. So i dug out the original research from the early 1980s by battellecolumbus laboratories for the gas research institute report no. In this paper we present the formation and transport of exhaust gas condensates within the exhaust gas system. A modification and driving profile of an exhaust gas system at the engine test bench to induce and observe the formation of exhaust gas condensate is proposed. Typical models offer efficiencies around 90%, which brings most brands of condensing gas boiler in to the highest available categories for energy efficiency. However, a record book must be kept for the purpose of logging daily spot. Composition of exhaust gas condensate download table. Gas condensate condenses out of the raw natural gas if the temperature is reduced to.