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The late-injection strategy (close after main-injection) of common-rail diesel engine is capable of enhancing combustion turbulence and reducing particulate matter (PM) emissions. In this work, experimental study was performed to investigate the effect of diesel late-injection on combustion and emissions characteristics of diesel/methanol dual fuel (DMDF) engine. The experiments were carried out at...
Based on European Steady-state Cycle (ESC) test procedure, an engine test was carried out to meet the demand of Euro V legislation with diesel methanol compound combustion (DMCC) technology on a common-rail, turbocharged, inter-cooling heavy-duty and high pressure exhaust gas recirculation (HP EGR) diesel engine with meeting the requirements of Euro IV legislation. The engine was just modified with...
The experimental research on reducing unregulated emissions (included unburned methanol, formaldehyde, formic acid, 1,3-butadiene, benzene and toluene) of diesel/methanol dual fuel (DMDF) engine with different after-treatment devices was carried out on a turbocharged inter-cooling diesel engine. The DMDF engine was operated under 25%, 50%, 75% and 100% of full load at the engine speed of 1660rpm and...
Experimental study was conducted on a compression ignition engine to investigate into the effects of methanol substitution percent (MSP), injection timing, intake air temperature (Ti), exhaust gas recirculation (EGR) and other parameters on the ultrafine particle emitted from the engine. The testing engine was run on the mode of Diesel/methanol dual fuel, which was modified from a turbocharged, inter-cooling...
Methanol fumigation strategy in multi-cylinder diesel engine has received great attentions in recent years. Experimental work was conducted in a turbocharged inline 4-cylinder diesel engine fueled with diesel methanol dual fuel (DMDF). Three different methanol injection positions were chosen to investigate into their effect on cylinder-to-cylinder variation. The results indicate that the unevenness...
A diesel engine with 6-cylinder, turbocharged intercooling and common rail system was modified to operate on diesel/methanol dual fuel (DMDF). To optimize combustion process at high methanol substitution ratio (MSR) and further decrease exhaust emissions of DMDF engine at low load condition, pilot injection strategy was applied on it and the combustion, regulated and unregulated gaseous emission (included...
Effective recovery of ethylene from dry gas plays an increasingly important role to improve economic performance of refineries. Conventional approaches such as cryogenic separation and cold oil absorption are energy consuming. Hybrid hydration–absorption (HHA) process may be an effective way as hydrate formation takes place at temperature near the icing point. This paper aims to study the HHA column,...
This paper presents the results of a recent low rank coal 850MW class IGCC (“Integrated Gasification Combined Cycle”) feasibility study for the 50Hz market. The study aimed to position the Transport Integrated Gasification (“TRIG™”) technology for power generation in the China market where coal gasification has been widely practiced. It assumed a mine mouth project in eastern Inner Mongolia, China...
A nitrogen-rich carbon with a hierarchical micro-mesopore structure was obtained through pyrolysis of a porous polymer prepared from terephthalaldehyde and melamine, and then investigated for CO 2 capture. This nitrogen-rich porous carbon exhibited a CO 2 uptake of 141mg/g at 25°C, 1atm, which is one of the highest CO 2 capture capacities among carbon materials reported to...
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