The Experts below are selected from a list of 132 Experts worldwide ranked by ideXlab platform

Hamed Abbasfard - One of the best experts on this subject based on the ideXlab platform.

  • The major sources of gas flaring and air contamination in the natural gas processing plants: A case study
    Journal of Natural Gas Science and Engineering, 2013
    Co-Authors: Mehdi Davoudi, F. Nikbakht, Seyyed Mohammad Jokar, Mohammad Reza Rahimpour, Hamed Abbasfard
    Abstract:

    Abstract Global flaring and venting of natural gas is a significant source of greenhouse gas emissions and airborne pollutants that has proven difficult to mitigate. Devastating impact of such emissions both on the climate and environment makes it inevitable for researchers, environmentalists and policy makers to give remarkable focuses on this issue in recent times. This paper revolves around highlighting potential and critical situations, identifying the proper mitigation and focusing on the sources of flaring and contamination to reduce the generation of wastes from the gas processing plants of a domestic natural gas field in Iran. The flaring management of four domestic gas processing plants with the total capacity of 252 million cubic meter natural gas in a day plays an important role in the environmental pollution reduction. The inventory of emissions lists all the individual sources of air contamination in each gas processing plant and the quantities of the emissions. The major sources of gas flaring are the regeneration gas coming from the mercaptan removal unit in Phase 1, the sweeping gas consumption in the flare network in Phase 2 and 3, and the backup Stabilization gas flaring in Phases 4 and 5. The adjustment of fuel gas consumption was conducted after the flare network back pressure has been calculated in Phase 2 and 3 by a Flare Net simulator. In order to address the excessive fuel gas network corrosion in Phases 6, 7 and 8, a modification was performed in this gas processing plant. Chemical de-emulsifier injection allowed for removing the debris build-up on the rebuilder's tubes of the Condensate Stabilization column in Phases 4 and 5. The recycling regeneration gas of the mercaptan removal unit in Phase 1 reduced 55% of the gas flaring in this gas processing plant.

  • The major sources of gas flaring and air contamination in the natural gas processing plants: A case study
    Journal of Natural Gas Science and Engineering, 2013
    Co-Authors: Mehdi Davoudi, F. Nikbakht, Seyyed Mohammad Jokar, Mohammad Reza Rahimpour, Hamed Abbasfard
    Abstract:

    Global flaring and venting of natural gas is a significant source of greenhouse gas emissions and airborne pollutants that has proven difficult to mitigate. Devastating impact of such emissions both on the climate and environment makes it inevitable for researchers, environmentalists and policy makers to give remarkable focuses on this issue in recent times. This paper revolves around highlighting potential and critical situations, identifying the proper mitigation and focusing on the sources of flaring and contamination to reduce the generation of wastes from the gas processing plants of a domestic natural gas field in Iran. The flaring management of four domestic gas processing plants with the total capacity of 252million cubic meter natural gas in a day plays an important role in the environmental pollution reduction. The inventory of emissions lists all the individual sources of air contamination in each gas processing plant and the quantities of the emissions. The major sources of gas flaring are the regeneration gas coming from the mercaptan removal unit in Phase 1, the sweeping gas consumption in the flare network in Phase 2 and 3, and the backup Stabilization gas flaring in Phases 4 and 5. The adjustment of fuel gas consumption was conducted after the flare network back pressure has been calculated in Phase 2 and 3 by a Flare Net simulator. In order to address the excessive fuel gas network corrosion in Phases 6, 7 and 8, a modification was performed in this gas processing plant. Chemical de-emulsifier injection allowed for removing the debris build-up on the rebuilder's tubes of the Condensate Stabilization column in Phases 4 and 5. The recycling regeneration gas of the mercaptan removal unit in Phase 1 reduced 55% of the gas flaring in this gas processing plant. © 2013 Elsevier B.V.

Mehdi Davoudi - One of the best experts on this subject based on the ideXlab platform.

  • The major sources of gas flaring and air contamination in the natural gas processing plants: A case study
    Journal of Natural Gas Science and Engineering, 2013
    Co-Authors: Mehdi Davoudi, F. Nikbakht, Seyyed Mohammad Jokar, Mohammad Reza Rahimpour, Hamed Abbasfard
    Abstract:

    Abstract Global flaring and venting of natural gas is a significant source of greenhouse gas emissions and airborne pollutants that has proven difficult to mitigate. Devastating impact of such emissions both on the climate and environment makes it inevitable for researchers, environmentalists and policy makers to give remarkable focuses on this issue in recent times. This paper revolves around highlighting potential and critical situations, identifying the proper mitigation and focusing on the sources of flaring and contamination to reduce the generation of wastes from the gas processing plants of a domestic natural gas field in Iran. The flaring management of four domestic gas processing plants with the total capacity of 252 million cubic meter natural gas in a day plays an important role in the environmental pollution reduction. The inventory of emissions lists all the individual sources of air contamination in each gas processing plant and the quantities of the emissions. The major sources of gas flaring are the regeneration gas coming from the mercaptan removal unit in Phase 1, the sweeping gas consumption in the flare network in Phase 2 and 3, and the backup Stabilization gas flaring in Phases 4 and 5. The adjustment of fuel gas consumption was conducted after the flare network back pressure has been calculated in Phase 2 and 3 by a Flare Net simulator. In order to address the excessive fuel gas network corrosion in Phases 6, 7 and 8, a modification was performed in this gas processing plant. Chemical de-emulsifier injection allowed for removing the debris build-up on the rebuilder's tubes of the Condensate Stabilization column in Phases 4 and 5. The recycling regeneration gas of the mercaptan removal unit in Phase 1 reduced 55% of the gas flaring in this gas processing plant.

  • The major sources of gas flaring and air contamination in the natural gas processing plants: A case study
    Journal of Natural Gas Science and Engineering, 2013
    Co-Authors: Mehdi Davoudi, F. Nikbakht, Seyyed Mohammad Jokar, Mohammad Reza Rahimpour, Hamed Abbasfard
    Abstract:

    Global flaring and venting of natural gas is a significant source of greenhouse gas emissions and airborne pollutants that has proven difficult to mitigate. Devastating impact of such emissions both on the climate and environment makes it inevitable for researchers, environmentalists and policy makers to give remarkable focuses on this issue in recent times. This paper revolves around highlighting potential and critical situations, identifying the proper mitigation and focusing on the sources of flaring and contamination to reduce the generation of wastes from the gas processing plants of a domestic natural gas field in Iran. The flaring management of four domestic gas processing plants with the total capacity of 252million cubic meter natural gas in a day plays an important role in the environmental pollution reduction. The inventory of emissions lists all the individual sources of air contamination in each gas processing plant and the quantities of the emissions. The major sources of gas flaring are the regeneration gas coming from the mercaptan removal unit in Phase 1, the sweeping gas consumption in the flare network in Phase 2 and 3, and the backup Stabilization gas flaring in Phases 4 and 5. The adjustment of fuel gas consumption was conducted after the flare network back pressure has been calculated in Phase 2 and 3 by a Flare Net simulator. In order to address the excessive fuel gas network corrosion in Phases 6, 7 and 8, a modification was performed in this gas processing plant. Chemical de-emulsifier injection allowed for removing the debris build-up on the rebuilder's tubes of the Condensate Stabilization column in Phases 4 and 5. The recycling regeneration gas of the mercaptan removal unit in Phase 1 reduced 55% of the gas flaring in this gas processing plant. © 2013 Elsevier B.V.

William A. Poe - One of the best experts on this subject based on the ideXlab platform.

  • Basic Concepts of Natural Gas Processing
    Handbook of Natural Gas Transmission and Processing, 2012
    Co-Authors: Saeid Mokhatab, William A. Poe
    Abstract:

    Natural gas coming from the well contains hydrocarbons, Carbon dioxide, Hydrogen sulfide, and water together with many other impurities. Raw natural gas after transmission through a network of gathering pipelines therefore must be processed in a safe manner and with minimal environmental effect before it can be moved into long-distance pipeline systems for use by consumers. While some of the needed processing can be accomplished at or near the wellhead (field processing), the complete processing of natural gas takes place at a processing plant, usually located in a natural-gas-producing region. The objective of a gas processing plant is to separate natural gas, associated hydrocarbons, acid gases, and water from a gas-producing well and condition these fluids for sale or disposal. The processing philosophy depends on the type of project being considered and the level of treating required, i.e., the difference between the feed gas and product specifications. This determines what components will need to be removed or recovered from the gas stream. This chapter describes the scope of natural gas processing and briefly reviews the function and purpose of each of the existing process units of the gas processing plants with greater details to follow in subsequent chapters. Keywords: Condensate Stabilization unit, cryogenic distillation, dew point controlling unit, field processing, gas dehydration unit, gas processing unit, gas sweetening unit, molecular sieve unit, natural gas processing, NGL extraction, nonregenerable absorbent, reception facility, regenerable absorbent, salable gas stream, sulfur recovery unit, tail gas treating unit.

Sergej O. Demokritov - One of the best experts on this subject based on the ideXlab platform.

  • Direct evidence of spatial stability of Bose-Einstein Condensate of magnons
    Nature Communications, 2020
    Co-Authors: Igor V. Borisenko, B. Divinskiy, Vladislav E. Demidov, Guigen Li, Thomas Nattermann, Valery L. Pokrovsky, Sergej O. Demokritov
    Abstract:

    Bose-Einstein condensation of magnons is one of few macroscopic quantum phenomena observed at room temperature. Since its discovery, it became an object of intense research, which led to the observation of many exciting phenomena such as quantized vortices, second sound, and Bogolyubov waves. However, it remained unclear what physical mechanisms can be responsible for the spatial stability of the magnon Condensate. Indeed, since magnons are believed to exhibit attractive interaction, it is generally expected that the Condensate is unstable with respect to the real-space collapse, contrarily to experimental findings. Here, we provide direct experimental evidence that magnons in a Condensate exhibit repulsive interaction resulting in the Condensate Stabilization and propose a mechanism, which is responsible for this interaction. Our experimental conclusions are additionally supported by the theoretical model based on the Gross-Pitaevskii equation. Our findings solve a long-standing problem, providing a new insight into the physics of magnon Bose-Einstein Condensates. Little is known about the underlying mechanism responsible for the spatial stability of magnon Bose-Einstein Condensates. Here experimental evidence is provided for a repulsive interaction of magnons in the Condensate resulting in its Stabilization.

  • Direct evidence of spatial stability of Bose-Einstein Condensate of magnons
    arXiv: Mesoscale and Nanoscale Physics, 2019
    Co-Authors: Igor V. Borisenko, B. Divinskiy, Vladislav E. Demidov, Guigen Li, Thomas Nattermann, Valery L. Pokrovsky, Sergej O. Demokritov
    Abstract:

    Bose-Einstein condensation of quasi-equilibrium magnons is one of few macroscopic quantum phenomena observed at room temperature. Since its discovery, it became an object of intense research, which led to the observation of many exciting phenomena such as quantized vortices, second sound, and Bogolyubov waves. However, for a long time it remained unclear, what physical mechanisms can be responsible for the spatial stability of the magnon Condensate. Indeed, since magnons are believed to exhibit attractive interaction, it is generally expected that the magnon Condensate should be unstable with respect to the real-space collapse, which contradicts all the experimental findings. Here, we provide direct experimental evidence that magnons in a Condensate exhibit repulsive interaction resulting in the Condensate Stabilization and propose a mechanism, which is responsible for the interaction inversion. Our experimental conclusions are additionally supported by the theoretical model based on the Gross-Pitaevskii equation. Our findings solve a long-standing problem and provide a new insight into the physics of magnon Bose-Einstein Condensates.

F. Nikbakht - One of the best experts on this subject based on the ideXlab platform.

  • The major sources of gas flaring and air contamination in the natural gas processing plants: A case study
    Journal of Natural Gas Science and Engineering, 2013
    Co-Authors: Mehdi Davoudi, F. Nikbakht, Seyyed Mohammad Jokar, Mohammad Reza Rahimpour, Hamed Abbasfard
    Abstract:

    Abstract Global flaring and venting of natural gas is a significant source of greenhouse gas emissions and airborne pollutants that has proven difficult to mitigate. Devastating impact of such emissions both on the climate and environment makes it inevitable for researchers, environmentalists and policy makers to give remarkable focuses on this issue in recent times. This paper revolves around highlighting potential and critical situations, identifying the proper mitigation and focusing on the sources of flaring and contamination to reduce the generation of wastes from the gas processing plants of a domestic natural gas field in Iran. The flaring management of four domestic gas processing plants with the total capacity of 252 million cubic meter natural gas in a day plays an important role in the environmental pollution reduction. The inventory of emissions lists all the individual sources of air contamination in each gas processing plant and the quantities of the emissions. The major sources of gas flaring are the regeneration gas coming from the mercaptan removal unit in Phase 1, the sweeping gas consumption in the flare network in Phase 2 and 3, and the backup Stabilization gas flaring in Phases 4 and 5. The adjustment of fuel gas consumption was conducted after the flare network back pressure has been calculated in Phase 2 and 3 by a Flare Net simulator. In order to address the excessive fuel gas network corrosion in Phases 6, 7 and 8, a modification was performed in this gas processing plant. Chemical de-emulsifier injection allowed for removing the debris build-up on the rebuilder's tubes of the Condensate Stabilization column in Phases 4 and 5. The recycling regeneration gas of the mercaptan removal unit in Phase 1 reduced 55% of the gas flaring in this gas processing plant.

  • The major sources of gas flaring and air contamination in the natural gas processing plants: A case study
    Journal of Natural Gas Science and Engineering, 2013
    Co-Authors: Mehdi Davoudi, F. Nikbakht, Seyyed Mohammad Jokar, Mohammad Reza Rahimpour, Hamed Abbasfard
    Abstract:

    Global flaring and venting of natural gas is a significant source of greenhouse gas emissions and airborne pollutants that has proven difficult to mitigate. Devastating impact of such emissions both on the climate and environment makes it inevitable for researchers, environmentalists and policy makers to give remarkable focuses on this issue in recent times. This paper revolves around highlighting potential and critical situations, identifying the proper mitigation and focusing on the sources of flaring and contamination to reduce the generation of wastes from the gas processing plants of a domestic natural gas field in Iran. The flaring management of four domestic gas processing plants with the total capacity of 252million cubic meter natural gas in a day plays an important role in the environmental pollution reduction. The inventory of emissions lists all the individual sources of air contamination in each gas processing plant and the quantities of the emissions. The major sources of gas flaring are the regeneration gas coming from the mercaptan removal unit in Phase 1, the sweeping gas consumption in the flare network in Phase 2 and 3, and the backup Stabilization gas flaring in Phases 4 and 5. The adjustment of fuel gas consumption was conducted after the flare network back pressure has been calculated in Phase 2 and 3 by a Flare Net simulator. In order to address the excessive fuel gas network corrosion in Phases 6, 7 and 8, a modification was performed in this gas processing plant. Chemical de-emulsifier injection allowed for removing the debris build-up on the rebuilder's tubes of the Condensate Stabilization column in Phases 4 and 5. The recycling regeneration gas of the mercaptan removal unit in Phase 1 reduced 55% of the gas flaring in this gas processing plant. © 2013 Elsevier B.V.