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Oxy-fuel combustion technology is an attractive option for capturing carbon dioxide (CO2) in power generation systems utilizing hydrocarbon fuels. However, conventional atmospheric oxy-fuel combustion systems require substantial parasitic energy in the compression step within the air separation...
Persistent link: https://www.econbiz.de/10010807829
An advanced oxy-fuel hybrid power system (AHPS) is proposed in this paper. Solar thermal energy is used in the AHPS to produce saturated steam as the working fluid, and natural gas is internally combusted with pure oxygen. It is in configuration close to the zero emission Graz cycle. The...
Persistent link: https://www.econbiz.de/10010808138
Growing concerns over greenhouse gas emissions have driven extensive research into new power generation cycles that enable carbon dioxide capture and sequestration. In this regard, oxy-fuel combustion is a promising new technology in which fuels are burned in an environment of oxygen and...
Persistent link: https://www.econbiz.de/10010811824
Recently, oxy-fuel combustion has received increasing attention as one of the short-term solutions for capturing CO2 from power plants. Despite their quick development, there are several issues that need further research. Combustion characteristics, heat transfer, emissions levels, optimum...
Persistent link: https://www.econbiz.de/10010576358
The entire life cycle of a municipal solid waste (MSW) oxy-fuel incineration power plant was evaluated using the method of life cycle assessment (LCA) to identify and quantify the fossil energy requirements and environmental impacts. The functional unit was 1000kg (1t) MSW. During the life...
Persistent link: https://www.econbiz.de/10011046898
The laminar flame speeds of CH4/O2/CO2 mixtures in atmospheric conditions (300 K and 1 atm) were studied using a Bunsen burner. The surface area methodology based on images of flame was performed to obtain the laminar flame speeds for a range of equivalence ratios (from 0.6 to 1.4, step 0.1),...
Persistent link: https://www.econbiz.de/10011053517
The effects of hydrogen (H2) addition to a fuel jet on a non-premixed oxy-methane flame were experimentally investigated in a lab-scale furnace with a slot-type burner. To observe the flame behavior of a non-premixed oxy-methane jet, the flame stabilization and flame luminescence were measured....
Persistent link: https://www.econbiz.de/10011053531
The laminar burning velocity of oxy-CH4 flames in atmospheric conditions (300 K and 1 atm) was studied with a lab-scale Bunsen burner. CH chemiluminescence (CH*) was measured, and Schlieren photography was used to derive the laminar burning velocity. The experimental result was compared with...
Persistent link: https://www.econbiz.de/10011054450
The ignition temperature and burnout of a semi-anthracite and a high-volatile bituminous coal were studied under oxy-fuel combustion conditions in an entrained flow reactor (EFR). The results obtained under oxy-fuel atmospheres (21%O2–79%CO2, 30%O2–70% O2 and 35%O2–65%CO2) were compared...
Persistent link: https://www.econbiz.de/10011055673
As oxy-fuel power generation is currently on the pre-demonstration stage of development many studies dealing with optimization and simulation aspects are still in progress. This paper is focused on the development of a simulation model of the integrated oxy-fuel system and cumulative energy...
Persistent link: https://www.econbiz.de/10011055803