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The coal based polygeneration with CO2 capture (PG + CC) technology is expected as one of the possible options to mitigate CO2 emissions with low cost and low energy. This work assesses the cost reduction potential of PG + CC technology based on learning curve method, and finds out what...
Persistent link: https://www.econbiz.de/10011054058
Oxy-fuel technology is one of the potential solutions to reduce CO2 emissions from coal-fired power plants. Although vendors offer a “retrofit package,” to the best of our knowledge there has not been a study undertaken that looks at the technical and economic viability of oxy-fuel...
Persistent link: https://www.econbiz.de/10011054070
This study investigates configuration of a module for withstanding high pressure and temperature for CO2 capture from a coal gasifier. In order to increase the durability of the module at high pressure and temperature, a flange-type unit-cell module was installed in a high-pressure chamber....
Persistent link: https://www.econbiz.de/10011054117
In the existing coal-fired power plants, the energy penalty associated with CO2 capture process is an important challenge. For this reason, energy analysis has been widely used as a powerful tool to optimize the capture efficiency and reduce energy consumption. In our previous work, a Stirling...
Persistent link: https://www.econbiz.de/10011054158
Carbon dioxide capture from energy systems will likely become a necessity as the European Union regulations are becoming increasingly more stringent. The greatest disadvantage of the existing methods of CO2 separation is the high energy intensity. In the Integrated Gasification Combined Cycle...
Persistent link: https://www.econbiz.de/10011054381
Based on the principle of cascade utilization of multiple energy resources, a gas-steam combined cycle power system integrated with solar thermo-chemical fuel conversion and CO2 capture has been proposed and analyzed. The collected solar heat at 550 °C drives the endothermic methane reforming...
Persistent link: https://www.econbiz.de/10011054470
Chemical absorption is a very effective and nowadays often used method of gas separation in chemical industry. This method is also often taken into account when considering systems of carbon capture from flue gases of coal-fired power plants. This process is very energy-intensive and...
Persistent link: https://www.econbiz.de/10011054500
A novel liquefied natural gas (LNG) fueled power plant is proposed, which has virtually zero CO2 and other emissions and a high efficiency. The plant operates as a subcritical CO2 Rankine-like cycle. Beside the power generation, the system provides refrigeration in the CO2 subcritical...
Persistent link: https://www.econbiz.de/10011054605
Efficient mechanical separation of CO2 from combustion effluent affects the utilization potential of high CO2 producers such as coal. Novel mechanical separations of condensing CO2 from gas flows need to be able to capture the small condensed droplets below the cyclone cut-off limit of 20 μm....
Persistent link: https://www.econbiz.de/10011054623
This study presents the effects of O2 enrichment and CO2 (carbon dioxide) dilution on laminar methane flames. For that purpose, the following procedure was followed: i) measurements of laminar methane flame velocities carried out in a stainless steel combustion chamber at atmospheric pressure...
Persistent link: https://www.econbiz.de/10011054652