Global ETD Search
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Showing 1 to 20 of 30 for “"Integrated gasification combined cycle"”.
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Simulation and optimization of hot syngas separation processes in integrated gasification combined cycle
IGCC with CO2 capture offers an exciting approach for cleanly using abundant coal reserves of the world to generate electricity. The present state-of-the-art synthesis gas (syngas) cleanup technologies in IGCC involve cooling the syngas from gasifier to room temperature or lower for removing …
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Analysis of Biomass/Coal Co-Gasification for Integrated Gasification Combined Cycle (IGCC) Systems with Carbon Capture
<p>In recent years, Integrated Gasification Combined Cycle Technology (IGCC) has become more common in clean coal power operations with carbon capture and sequestration (CCS). Great efforts have been spent on investigating ways to improve the efficiency, reduce costs, and further reduce greenhouse …
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Development of a test facility to evaluate hot gas filtration characteristics of a candle filter
… in advanced power generation systems such as Integrated Gasification Combined Cycle (IGCC) and Pressurized Fluidized Bed Combustion (PFBC). These systems require effective particulate removal to protect the downstream gas turbine and also to meet environmental emission requirements. The …
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Development of instrumentation for the investigation of surface regeneration for candle filters
… efficiency of coal based power generation are integrated gasification combined-cycle (IGCC) and pressurized fluidized-bed combustion (PFBC). Both of these options require high-temperature gas stream particle cleanup for optimum efficiency. Candle filters in a pressurized vessel have received …
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Investigation of hot gas desulfurization utilizing a transport reactor
… requirements were identified for integrated gasification combined cycle (IGCC) power plants that would utilize transport HGD reactors to baseline the design for the technology. A target of 1/10 of the New Source Performance (NSPS) for the emission of sulfur dioxide was chosen as …
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The suitability of coal gasification in India's energy sector
Integrated Gasification Combined Cycle (IGCC), an advanced coal-based power generation technology, may be an important technology to help India meet its future power needs. It has the potential to provide higher generating efficiency, can be adapted to efficiently burn India's high-ash coal, and …
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Rheological properties of candle filter deposits at elevated temperatures and pressures
… were studied. Black powder from the IGCC (Integrated Gasification Combined Cycle) provided consistent data when sampled from two different sources. This powder's mechanical properties were independent of elevated temperature conditions, suggesting that the particle adhesion process is …
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Capture-ready power plants : options, technologies and economics
… in the near-term - pulverized coal (PC) and integrated gasification/combined cycle (IGCC). It details the steps that are necessary to retrofit each of these plants for CO2 capture and sequestration. Finally, for each technology, it provides a qualitative assessment of the steps that can be …
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Metal oxide sorbents for carbon dioxide capture prepared by ultrasonic spray pyrolysis
… CO2 capture into power plants using the integrated gasification combined cycle (IGCC), which is a method for cleaning flue gas produced from gasified coal. Presently, the lack of a cost-effective CO2 adsorbent is preventing the integration of CO2 capture into IGCC plants. There is much …
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Dynamic reduced order modeling of entrained flow gasifiers
Gasification-based energy systems coupled with carbon dioxide capture and storage technologies have the potential to reduce greenhouse gas emissions from continued use of abundant and secure fossil fuels. Dynamic reduced order models (ROMs) that predict the operation of entrained flow gasifiers …
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Strategies for demonstration and early deployment of carbon capture and storage : a technical and economic assessment of capture percentage
… were developed for both pulverized coal (PC) and integrated gasification combined cycle (IGCC) plant technologies. Compared to full capture, partial capture can preserve efficiency, and thus ability to dispatch electricity to the grid, thereby reducing the risk of stranding and ensuring that …
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Plantwide Control System Design for IGCC Power Plants with CO2 Capture
… design the control system of a commercial-scale integrated gasification combined cycle (IGCC) power plant with CO2 capture is considered. The control system design is developed with the objective of optimizing a desired scalar function while satisfying operational and environmental constraints in …
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Impact Of Coal Derived Impurities On The Performance Of Hydrogen Separation Membranes
<p>In order to facilitate the use of hydrogen in integrated gasification combined-cycle (IGCC) applications or as a transportation fuel, hydrogen-from-coal technologies that are capable of managing carbon will be needed. Many technologies are under development for the separation of hydrogen from …
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Evaluation of sorbents for the cleanup of coal-derived synthesis gas at elevated temperatures
Integrated Gasification Combined Cycle (IGCC) with carbon dioxide capture is a promising technology to produce electricity from coal at a higher efficiency than with traditional subcritical pulverized coal (PC) power plants. As with any coal-based technology, however, it is of critical importance …
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Applicazione del processo a fanghi aerobici granulari per il trattamento di reflui petrolchimici
… process performance. One PW was produced by the Integrated Gasification Combined Cycle (IGCC) and characterized by high concentrations of organic matter, ammonium and toxic substances like cyanides and phenols (IGCC wastewater); the other PW, collected from the equalization tank of the refinery …
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Calcium oxide-based sorbents for CO2 capture at high temperature
… power plants is of particular interest in integrated gasification combined cycle (IGCC) design. High concentrations of CO2 and elevated operating pressures/temperatures reduce the energy requirements of this process to 10-16%, which is roughly half that for post-combustion CO2 capture.[1] …
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Improving heat capture for power generation in coal gasification plants
Improving the steam cycle design to maximize power generation is demonstrated using pinch analysis targeting techniques. Previous work models the steam pressure level in composite curves based on its saturation temperature alone. The present work examines the effect of including both sensible and …
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China energy issues : energy intensity, coal liquefaction, and carbon pricing
… price to justify CCS installation investment for Integrated Gasification Combined Cycle (IGCC) and pulverized coal (PC) power plants, and (2) what are the risks associated with investment for CCS. In this analysis, I also advise investors on the impact of capital and fuel costs on the carbon price …
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The Phase Inversion-based Coal-CO₂ Slurry (PHICCOS) feeding system : design, coupled multiscale analysis, and technoeconomic assessment
… chemicals, and for generating electricity in Integrated Gasification Combined Cycle (IGCC) power plants. The latter have also been proposed as an attractive platform for carbon dioxide capture. Commercially available feeding systems are based on coal-water slurry or lock hoppers. The earlier …
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The effects of temperature distortion on aerodynamics and low engine order forced response in axial turbines
… a synthesis gas fuel that is used to power integrated gasification combined cycle (IGCC) power plants, is likely to affect the operating conditions of existing gas turbines leading to the requirement of re-design of components. With particular focus on the turbine hot flow path, the …
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