The Experts below are selected from a list of 99 Experts worldwide ranked by ideXlab platform

Zhaoliang Wang - One of the best experts on this subject based on the ideXlab platform.

  • Specific exergy Consumption as an index for Steam extraction scheme selection for co 2 capture systems in coal fired power plants
    Greenhouse Gases-Science and Technology, 2016
    Co-Authors: Kefang Zhang, Zhongliang Liu, Zhaoliang Wang
    Abstract:

    In coal‐fired power plants, Steam is extracted from Steam turbine to supply the regeneration heat for chemical absorption carbon capture. This research analyses the Steam and heat Consumption of a CO 2 capture system for different extracted Steam, as well as the influences of different extracted Steam on electricity production and power plant electric efficiency. Results show that Specific Steam Consumption and Specific heat Consumption, which only reveal the quantity of the Steam Consumption, could not be used for evaluating the true energy savings of different Steam extraction methods. Specific exergy Consumption of the extracted Steam (SEXCS), which focuses on both the quantity and quality of energy, is proposed and used as a main comprehensive evaluation index in the CO 2 capture system. Compared with Specific Steam Consumption and Specific heat Consumption, SEXCS can better evaluate the true energy saving of the different extracted Steam. Compared with plant electric efficiency and Specific primary energy Consumption for carbon avoided (SPECCA), SEXCS is both simple in calculation and easy in acquiring the required data. SEXCS is thus recommended to be used as an important index for selection of Steam extraction schemes for CO 2 capture systems. © 2016 Society of Chemical Industry and John Wiley & Sons, Ltd

  • Specific exergy Consumption as an index for Steam extraction scheme selection for CO 2 capture systems in coal‐fired power plants
    Greenhouse Gases-Science and Technology, 2016
    Co-Authors: Kefang Zhang, Zhongliang Liu, Zhaoliang Wang
    Abstract:

    In coal‐fired power plants, Steam is extracted from Steam turbine to supply the regeneration heat for chemical absorption carbon capture. This research analyses the Steam and heat Consumption of a CO 2 capture system for different extracted Steam, as well as the influences of different extracted Steam on electricity production and power plant electric efficiency. Results show that Specific Steam Consumption and Specific heat Consumption, which only reveal the quantity of the Steam Consumption, could not be used for evaluating the true energy savings of different Steam extraction methods. Specific exergy Consumption of the extracted Steam (SEXCS), which focuses on both the quantity and quality of energy, is proposed and used as a main comprehensive evaluation index in the CO 2 capture system. Compared with Specific Steam Consumption and Specific heat Consumption, SEXCS can better evaluate the true energy saving of the different extracted Steam. Compared with plant electric efficiency and Specific primary energy Consumption for carbon avoided (SPECCA), SEXCS is both simple in calculation and easy in acquiring the required data. SEXCS is thus recommended to be used as an important index for selection of Steam extraction schemes for CO 2 capture systems. © 2016 Society of Chemical Industry and John Wiley & Sons, Ltd

Kefang Zhang - One of the best experts on this subject based on the ideXlab platform.

  • Specific exergy Consumption as an index for Steam extraction scheme selection for co 2 capture systems in coal fired power plants
    Greenhouse Gases-Science and Technology, 2016
    Co-Authors: Kefang Zhang, Zhongliang Liu, Zhaoliang Wang
    Abstract:

    In coal‐fired power plants, Steam is extracted from Steam turbine to supply the regeneration heat for chemical absorption carbon capture. This research analyses the Steam and heat Consumption of a CO 2 capture system for different extracted Steam, as well as the influences of different extracted Steam on electricity production and power plant electric efficiency. Results show that Specific Steam Consumption and Specific heat Consumption, which only reveal the quantity of the Steam Consumption, could not be used for evaluating the true energy savings of different Steam extraction methods. Specific exergy Consumption of the extracted Steam (SEXCS), which focuses on both the quantity and quality of energy, is proposed and used as a main comprehensive evaluation index in the CO 2 capture system. Compared with Specific Steam Consumption and Specific heat Consumption, SEXCS can better evaluate the true energy saving of the different extracted Steam. Compared with plant electric efficiency and Specific primary energy Consumption for carbon avoided (SPECCA), SEXCS is both simple in calculation and easy in acquiring the required data. SEXCS is thus recommended to be used as an important index for selection of Steam extraction schemes for CO 2 capture systems. © 2016 Society of Chemical Industry and John Wiley & Sons, Ltd

  • Specific exergy Consumption as an index for Steam extraction scheme selection for CO 2 capture systems in coal‐fired power plants
    Greenhouse Gases-Science and Technology, 2016
    Co-Authors: Kefang Zhang, Zhongliang Liu, Zhaoliang Wang
    Abstract:

    In coal‐fired power plants, Steam is extracted from Steam turbine to supply the regeneration heat for chemical absorption carbon capture. This research analyses the Steam and heat Consumption of a CO 2 capture system for different extracted Steam, as well as the influences of different extracted Steam on electricity production and power plant electric efficiency. Results show that Specific Steam Consumption and Specific heat Consumption, which only reveal the quantity of the Steam Consumption, could not be used for evaluating the true energy savings of different Steam extraction methods. Specific exergy Consumption of the extracted Steam (SEXCS), which focuses on both the quantity and quality of energy, is proposed and used as a main comprehensive evaluation index in the CO 2 capture system. Compared with Specific Steam Consumption and Specific heat Consumption, SEXCS can better evaluate the true energy saving of the different extracted Steam. Compared with plant electric efficiency and Specific primary energy Consumption for carbon avoided (SPECCA), SEXCS is both simple in calculation and easy in acquiring the required data. SEXCS is thus recommended to be used as an important index for selection of Steam extraction schemes for CO 2 capture systems. © 2016 Society of Chemical Industry and John Wiley & Sons, Ltd

Zhongliang Liu - One of the best experts on this subject based on the ideXlab platform.

  • Specific exergy Consumption as an index for Steam extraction scheme selection for co 2 capture systems in coal fired power plants
    Greenhouse Gases-Science and Technology, 2016
    Co-Authors: Kefang Zhang, Zhongliang Liu, Zhaoliang Wang
    Abstract:

    In coal‐fired power plants, Steam is extracted from Steam turbine to supply the regeneration heat for chemical absorption carbon capture. This research analyses the Steam and heat Consumption of a CO 2 capture system for different extracted Steam, as well as the influences of different extracted Steam on electricity production and power plant electric efficiency. Results show that Specific Steam Consumption and Specific heat Consumption, which only reveal the quantity of the Steam Consumption, could not be used for evaluating the true energy savings of different Steam extraction methods. Specific exergy Consumption of the extracted Steam (SEXCS), which focuses on both the quantity and quality of energy, is proposed and used as a main comprehensive evaluation index in the CO 2 capture system. Compared with Specific Steam Consumption and Specific heat Consumption, SEXCS can better evaluate the true energy saving of the different extracted Steam. Compared with plant electric efficiency and Specific primary energy Consumption for carbon avoided (SPECCA), SEXCS is both simple in calculation and easy in acquiring the required data. SEXCS is thus recommended to be used as an important index for selection of Steam extraction schemes for CO 2 capture systems. © 2016 Society of Chemical Industry and John Wiley & Sons, Ltd

  • Specific exergy Consumption as an index for Steam extraction scheme selection for CO 2 capture systems in coal‐fired power plants
    Greenhouse Gases-Science and Technology, 2016
    Co-Authors: Kefang Zhang, Zhongliang Liu, Zhaoliang Wang
    Abstract:

    In coal‐fired power plants, Steam is extracted from Steam turbine to supply the regeneration heat for chemical absorption carbon capture. This research analyses the Steam and heat Consumption of a CO 2 capture system for different extracted Steam, as well as the influences of different extracted Steam on electricity production and power plant electric efficiency. Results show that Specific Steam Consumption and Specific heat Consumption, which only reveal the quantity of the Steam Consumption, could not be used for evaluating the true energy savings of different Steam extraction methods. Specific exergy Consumption of the extracted Steam (SEXCS), which focuses on both the quantity and quality of energy, is proposed and used as a main comprehensive evaluation index in the CO 2 capture system. Compared with Specific Steam Consumption and Specific heat Consumption, SEXCS can better evaluate the true energy saving of the different extracted Steam. Compared with plant electric efficiency and Specific primary energy Consumption for carbon avoided (SPECCA), SEXCS is both simple in calculation and easy in acquiring the required data. SEXCS is thus recommended to be used as an important index for selection of Steam extraction schemes for CO 2 capture systems. © 2016 Society of Chemical Industry and John Wiley & Sons, Ltd

Gulden Gokcen - One of the best experts on this subject based on the ideXlab platform.

  • Thermodynamic assessment of gas removal systems for single-flash geothermal power plants
    Applied Thermal Engineering, 2009
    Co-Authors: N. Yildirim Ozcan, Gulden Gokcen
    Abstract:

    Abstract Geothermal fluids contain non-condensable gases (NCGs) at various amounts. NCGs flow to a conventional geothermal power plant (GPP) with Steam phase and should be withdrawn from the condenser by a gas removal system to prevent increase in condenser pressure and consequently decrease in power generation. Therefore, to remove NCGs from the system is critical especially at high NCG fractions. In this study, the net power output and Specific Steam Consumption of a single-flash GPP is evaluated depending on the separator pressure, NCG fraction and wet bulb temperature of the environment, and three different conventional gas removal options which are two-stage Steam jet ejector system, two-stage hybrid system and two-stage compressor system. A simulation code is written in EES to model the plant for each option. The model uses the data of Kizildere Geothermal Power Plant (KGPP) – Turkey, which is a single-flash plant with extremely high NCG fraction, to allow a comparison between the results of the modelling and the operational data of an actual single-flash GPP. Under given conditions, thermodynamic analysis resulted that NCG fraction is the most significant factor on GPP performance and the compressor system is the most efficient and robust option where the influence of the NCG fraction is limited.

Stéphenne Karl - One of the best experts on this subject based on the ideXlab platform.

  • Shell Cansolv CO2 capture technology: Achievement from First Commercial Plant
    The Authors. Published by Elsevier Ltd., 2014
    Co-Authors: Singh Ajay, Stéphenne Karl
    Abstract:

    AbstractThe first commercial post combustion CO2 capture plant, based on regenerable amine technology, designed by Shell Cansolv was started successfully in Q3, 2013. Subsequently, the plant conceded 72 hrs warranty test run and since then, the CO2 capture plant has been running smoothly. The plant performance met requirements for a successful warranty test run and in most cases results were considerably better than expected.The CO2 capture facility is designed to capture 170 tonnes of CO2/day from a gas-fired boiler's emissions, however, due to boiler limitations, the plant is running at a capacity of 120 tonnes of CO2/day. The capture facility is equipped with a prescrubber followed by an absorber and water wash on the capture side. CO2 was captured using counter current exchange with the Cansolv DC-103 solvent, which was regenerated in the stripper. At normal operation, the average CO2 capture was maintained at around 90%, however, CO2 capture as high as 98% is achieved. The average Specific Steam Consumption over the Performance Test period was noticed as