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Continuing July 2022 tip of the month, this tip demonstrates applications of the models developed based on the experimental VLE and VLLE data measurements presented in the Gas Processors Association (GPA) research report RR-242. The models will be used for estimation of solubilities of a mixture consisted of Benzene, Toluene, and Ethylbenzene in loaded amine solution with CO2 and/or H2S. This is important because all BTEX components, both soluble and absorbed, in the contactor will be removed from the solution in the flash drum and regenerator, the emissions will be essentially equal to the amount absorbed. Correctly estimating the quantity of absorbed BTEX and understanding the factors that affect absorption levels is critical to ensure the proper mitigation methods are provided to meet the required emission limits.

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Introducción En seguimiento de los dos últimos Previos del Mes (TOTM/PDM) sobre el gasoducto Nord Stream de larga distancia, el cual transmite el gas natural desde Rusia hasta Europa, este PDM resume la aplicación de varias correlaciones/ecuaciones disponibles para determinar la capacidad máxima de susodicha línea de larga distancia. Adicionalmente, se pueden realizar cómputos para efectuar cómputos a presión P, lpc/kPa, y temperatura T ºF/ºC ; demostrando que un gasoducto de larga distancia puede ser aplicado también para estimar como estas líneas igualmente pueden ser aplicadas para proporcionar volumen de almacenamiento del gas.

Estimation of Solubilities of Selected Hydrocarbons Compounds in Treating Solvents

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This tip demonstrates applications of the models developed based on the experimental VLE and VLLE data measurements presented in the Gas Processors Association (GPA) research report RR-242. The models can be used for estimation of solubilities of selected hydrocarbons in pure water, unloaded amine solution, loaded amine solution with CO2 and/or H2S. Because all selected hydrocarbons, both soluble and absorbed, in the contactor will be removed from the solution in the flash drum and regenerator, the emissions will be essentially equal to the amount absorbed. This tip will focus on the following design variables: - Solubility of selected hydrocarbons in pure water. - GPA Midstream RR-242 Proposed Model. - Relative solubility of benzene, toluene, and ethyl benzene using charts. - Solubility of benzene, toluene, and ethyl benzene in 50 wt % MDEA solution, using chart and table.

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Following on the previous two tips of the month (TOTMs) on Nord Stream long distance pipeline for gas transmission from Russia to Europe, this TOTM discusses the application of various long distance gas transmission correlations/equations that are available to determine the maximum gas capacity of a long distance pipeline. In addition, calculations can be done to estimate the line packed gas volume; demonstrating that a long‐distance pipeline can be used as a gas storage facility as well.

Parte 2 Corriente NORD STREAM – Varias vías paralelas hacia el éxito o fracaso?

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Los Proyectos de la Corriente Nord Stream 1 & 2 son tremendos logros de la ingeniería. En un Previo del Mes anterior, hemos discutido los aspectos técnicos del Diagrama de Fase, y su fase densa correspondiente, la Hidráulica, Selección de Diámetro, Espesor de la chapa del oleoducto, perfil de la gradiente de presión, y capacidad de transmisión de estas múltiples líneas de transmisión en paralelo. Este Previo del MES (PDM/TOTM) presentara el contexto y comparación del orden de magnitud de algunos de estos números. Para informarse sobre este Previo, y los pasados Previo del Mes (PDM/TOTM), visite la dirección JMC Tip of the Month.

Part 2: Nord Stream Pipelines – Multiple Parallel Paths to Success or Failure?

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The Nord Stream 1 & 2 Subsea Pipeline Projects are a tremendous feat of engineering. In a previous Tip of the Month, we discussed the technical aspects of the Phase Envelope, Hydraulics, Diameter selection, Pipe wall thickness, pressure gradient profile, and flowrate for these multiple parallel pipelines. This Tip of the Month will present some context and comparison of the magnitude of some of these numbers.


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