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Journal ArticleDOI

Separation of CH4/CO2/N2 mixtures by layered pressure swing adsorption for upgrade of natural gas

01 Jun 2006-Chemical Engineering Science (Pergamon-Elsevier Science Ltd., Oxford, England)-Vol. 61, Iss: 12, pp 3893-3906
TL;DR: In this article, a layered pressure swing adsorption (LPSA) process is proposed to selectively remove carbon dioxide and nitrogen from low and medium natural gas flowrates, which is composed of a zeolite 13X to selectively removing carbon dioxide followed by a layer of carbon molecular sieve 3K to make the separation of nitrogen from methane.
About: This article is published in Chemical Engineering Science.The article was published on 2006-06-01. It has received 268 citations till now. The article focuses on the topics: Pressure swing adsorption & Methane.
Citations
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Journal ArticleDOI
TL;DR: Kenji Sumida, David L. Rogow, Jarad A. Mason, Thomas M. McDonald, Eric D. Bloch, Zoey R. Herm, Tae-Hyun Bae, Jeffrey R. Long
Abstract: Kenji Sumida, David L. Rogow, Jarad A. Mason, Thomas M. McDonald, Eric D. Bloch, Zoey R. Herm, Tae-Hyun Bae, Jeffrey R. Long

5,389 citations

Journal ArticleDOI
TL;DR: As an emerging class of porous crystalline materials, covalent organic frameworks (COFs) are excellent candidates for various applications and can serve as ideal platforms for capturing CO2 to mitigate the dilemma caused by the greenhouse effect.
Abstract: As an emerging class of porous crystalline materials, covalent organic frameworks (COFs) are excellent candidates for various applications. In particular, they can serve as ideal platforms for capturing CO2 to mitigate the dilemma caused by the greenhouse effect. Recent research achievements using COFs for CO2 capture are highlighted. A background overview is provided, consisting of a brief statement on the current CO2 issue, a summary of representative materials utilized for CO2 capture, and an introduction to COFs. Research progresses on: i) experimental CO2 capture using different COFs synthesized based on different covalent bond formations, and ii) computational simulation results of such porous materials on CO2 capture are summarized. Based on these experimental and theoretical studies, careful analyses and discussions in terms of the COF stability, low- and high-pressure CO2 uptake, CO2 selectivity, breakthrough performance, and CO2 capture conditions are provided. Finally, a perspective and conclusion section of COFs for CO2 capture is presented. Recent advancements in the field are highlighted and the strategies and principals involved are discussed.

786 citations

Journal ArticleDOI
TL;DR: An overview of conventional and developing gas processing technologies for CO 2 and N 2 removal from natural gas is provided in this paper, where the authors consider process technologies based on absorption, distillation, adsorption, membrane separation and hydrates.

514 citations

Journal ArticleDOI
TL;DR: In this article, the authors focus on the separation of carbon dioxide from typical power plant exhaust gases using the adsorption process, which is believed to be one of the economic and least interfering ways for post-combustion carbon capture as it can accomplish the objective with very few modifications to power plants.

469 citations


Cites methods from "Separation of CH4/CO2/N2 mixtures b..."

  • ...[189] Modelling of fixed bed adsorption of CO2 from a gaseous mixture of 20% CO2/60% CH4/ and 20% N2 on zeolite 13X by Layered Pressure Swing Adsorption (LPS) 1-D,...

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Journal ArticleDOI
TL;DR: In this paper, two different techniques (precipitation with ammonia and hydrothermal synthesis with ethylene glycol, both followed by autoclave aging) were employed for the synthesis of CeO2-ZrO2 mixed oxides on a 80-20-wt.% basis.
Abstract: Two different techniques (precipitation with ammonia and hydrothermal synthesis with ethylene glycol, both followed by autoclave aging) were employed for the synthesis of CeO2–ZrO2 mixed oxides on a 80–20 wt.% basis. Aging parameters, such as time and temperature, were systematically investigated in order to determine the optimal conditions to maintain high surface area and oxygen mobility of the prepared solids. Different loadings of nickel and cobalt (3, 6, 12 and 18 wt.%) were subsequently deposited via homogeneous deposition precipitation method. Calcined bimetallic catalysts were characterized by N2 adsorption–desorption, XRD, H2-TPR, TPO-TGA and FE-SEM methods, and tested for activity, selectivity and stability in the reforming of equimolar CH4–CO2 gas streams. During temperature programmed methane reforming tests, syngas with a H2/CO ratio between 0.3 and 0.79 was produced. Growth of carbon nanofilaments over the catalyst does not lead to deactivation, but can cause reactor plugging. Two conditions are vital and must be fulfilled simultaneously to avoid excessive carbon deposition: strong interaction between the NiCo bimetallic particles and CeZr support, which exists only at NiCo loadings up to 6 wt.%, as well as high oxygen mobility within the highly defective CeO2–ZrO2 crystalline lattice for timely carbon oxidation.

282 citations

References
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Book
11 Sep 1985
TL;DR: This paper introduced the physical effects underlying heat and mass transfer phenomena and developed methodologies for solving a variety of real-world problems, such as energy minimization, mass transfer, and energy maximization.
Abstract: This undergraduate-level engineering text introduces the physical effects underlying heat and mass transfer phenomena and develops methodologies for solving a variety of real-world problems.

13,209 citations

Book
01 May 1984
TL;DR: In this paper, the authors present correlation, analysis, and prediction of adsorption equilibria, including correlation, correlation, and analysis of adorption Equilibria.
Abstract: List of Symbols. Microporous Adsorbents. Physical Adsorption and the Characterization of Porous Adsorbents. Thermodynamics of Adsorption. Correlation, Analysis, and Prediction of Adsorption Equilibria. Diffusion in Porous Media. Kinetics of Sorption in Batch Systems. Flow Through Packed Beds. Dynamics of Adsorption Columns: Single--Transition Systems. Dynamics of Adsorption Columns: Multiple Transition Systems. Chromatographic Separation Processes. Adsorption Separation Processes: I. Cyclic Batch Systems. Adsorption Separation Processes: II. Continous Counter Current Systems. Appendixes. Index.

4,577 citations


"Separation of CH4/CO2/N2 mixtures b..." refers methods in this paper

  • ...In order to use the mathematical model proposed, mass and heat transport parameters were estimated according to correlations existing in literature (Wakao and Funazkri, 1978; Ruthven, 1984;Yang, 1987; Incropera and De Witt, 1996; Bird et al., 2002)....

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Book
01 Apr 1987
TL;DR: In this article, the authors present an analysis of gas mixtures rate processes in adsorbers adsorber dynamics, bed profiles and breakthrough curves cyclic gas separation processes and pressure-swing adsorption.
Abstract: Adsorbents and adsorption isotherms equilibrium adsorption of gas mixtures rate processes in adsorbers adsorber dynamics - bed profiles and breakthrough curves cyclic gas separation processes pressure-swing adsorption - principles and processes pressure-swing adsorption - models and experiments.

1,814 citations


"Separation of CH4/CO2/N2 mixtures b..." refers methods in this paper

  • ...In order to use the mathematical model proposed, mass and heat transport parameters were estimated according to correlations existing in literature (Wakao and Funazkri, 1978; Ruthven, 1984;Yang, 1987; Incropera and De Witt, 1996; Bird et al., 2002)....

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Journal ArticleDOI
TL;DR: Performance and cost models of an amine (MEA)-based CO2 absorption system for postcombustion flue gas applications have been developed and integrated with an existing power plant modeling framework that includes multipollutant control technologies for other regulated emissions.
Abstract: Capture and sequestration of CO2 from fossil fuel power plants is gaining widespread interest as a potential method of controlling greenhouse gas emissions. Performance and cost models of an amine (MEA)-based CO2 absorption system for postcombustion flue gas applications have been developed and integrated with an existing power plant modeling framework that includes multipollutant control technologies for other regulated emissions. The integrated model has been applied to study the feasibility and cost of carbon capture and sequestration at both new and existing coal-burning power plants. The cost of carbon avoidance was shown to depend strongly on assumptions about the reference plant design, details of the CO2 capture system design, interactions with other pollution control systems, and method of CO2 storage. The CO2 avoidance cost for retrofit systems was found to be generally higher than for new plants, mainly because of the higher energy penalty resulting from less efficient heat integration as well ...

1,684 citations


"Separation of CH4/CO2/N2 mixtures b..." refers background in this paper

  • ...Carbon dioxide is normally removed by amine scrubbing in gas–liquid contactors at 323–333K and then the saturated alkanolamine is regenerated at 383–403K (Rao and Rubin, 2002)....

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