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Artículo

Process Optimization-Based Adsorbent Selection for Ethane Recovery from Residue Gas

Estupiñan Perez, Libardo; Avila, Adolfo MaríaIcon ; Sawada, James A.; Rajendran, Arvind; Kuznicki, Steven M.
Fecha de publicación: 10/08/2016
Editorial: Elsevier Science
Revista: Separation and Purification Technology
ISSN: 1383-5866
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Otras Ingeniería Química

Resumen

The design and optimization of a pressure/vacuum swing adsorption process for the separation of ethane (C2) from residue gas (2.4 mol% ethane and the rest being methane) is presented. To achieve this, experimental measurements, modelling and optimization tools are developed to characterize the adsorbents, define the cycle configuration, and find the optimal operating conditions for the process. adsorbents from two different families, namely, titanosilicate (Na- ETS-10) and activated carbons are chosen. Experimental high-pressure isotherms were measured and described using a dual-site Langmuir model. A rigorous one-dimensional model is developed to simulate the adsorption process. Three different cycle configurations are proposed and assessed based on C2 purity and recovery. The effect of feed temperature is studied and is shown to have 10 a high impact on the separation. Finally, a multi-objective optimization study is performed to identify the material that offers the best trade-off between the two objective functions: C2 purity and recovery. Among the adsorbents examined, Na-ETS-10 is found to provide best performance with a possibility of obtaining ≈ 76% purity at a recovery of 68%.
Palabras clave: Natural Gas Separation , Ethane Extraction , Adsorption Separation , Pressure Swing Adsorption , Titano-Silicates , Adsorption Optimization
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/43297
DOI: https://dx.doi.org/10.1016/j.seppur.2016.05.010
URL: https://www.sciencedirect.com/science/article/pii/S1383586616303173?via%3Dihub#!
Colecciones
Articulos(INQUINOA)
Articulos de INST.DE QUIMICA DEL NOROESTE
Citación
Estupiñan Perez, Libardo; Avila, Adolfo María; Sawada, James A.; Rajendran, Arvind; Kuznicki, Steven M.; Process Optimization-Based Adsorbent Selection for Ethane Recovery from Residue Gas; Elsevier Science; Separation and Purification Technology; 168; 10-8-2016; 19-31
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