Natural gas dehydration by desiccant materials

Farag, H.A.; Ezzat, Mustafa Mohamed; Amer, H.; Nashed, Adel W.

doi:10.1016/j.aej.2011.01.020

Cited by 78 publications

(32 citation statements)

References 9 publications

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“…Although several other options exist for natural gas dehydration (e.g. membrane separation [2][3][4] , molecular sieves [5][6][7] , absorption into ionic liquids 8 , supersonic nozzles 9 and isenthalpic gas cooling 10,11 ), glycol absorption is by far the most used method for industrial applications. 12 Meanwhile recent technical advances have seen an increase in subsea processing installations, which present several advantages over onshore processing.…”

Section: Introductionmentioning

confidence: 99%

Multicomponent Vapor–Liquid Equilibrium Measurement and Modeling of Ethylene Glycol, Water, and Natural Gas Mixtures at 6 and 12.5 MPa

et al. 2018

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Section: Introductionmentioning

confidence: 99%

Multicomponent Vapor–Liquid Equilibrium Measurement and Modeling of Ethylene Glycol, Water, and Natural Gas Mixtures at 6 and 12.5 MPa

et al. 2018

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“…The existing methods for gas drying can be divided into two main categories: absorption (with liquid media) and adsorption (with solid media) . Gas drying by absorption with liquid media has been widely used in industries, and the most common absorbents are glycol‐based absorbents, for example, diethylene glycol (DEG), triethylene glycol (TEG), and monoethylene glycol (MEG) .…”

Section: Introductionmentioning

confidence: 99%

Gas drying with ionic liquids

et al. 2017

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The gas drying technology with ionic liquids (ILs) was systematically studied ranging from the molecular level to industrial scale. The COSMO‐RS model was first used to screen the suitable IL and provide theoretical insights at the molecular level. Toward CO2 gas dehydration, we measured the CO2 solubility in single [EMIM][Tf2N] and in the [EMIM][Tf2N] + H2O mixture, as well as the vapor‐liquid equilibrium (VLE) of [EMIM][Tf2N] + H2O system, to justify the applicability of UNIFAC model. Based on the thermodynamic study, the rigorous equilibrium (EQ) stage mathematical model was established for process simulation. The gas drying experiment with IL was also performed and the water content in gas product can be reduced to 375 ppm. It was confirmed that a less flow rate of absorbent, a higher CO2 recovery ratio and a much lower energy consumption can be achieved with IL than with the conventional triethylene glycol (TEG). © 2017 American Institute of Chemical Engineers AIChE J, 64: 606–619, 2018

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“…According to the normative document [20], the mass concentration of aldehydes in terms of acetic aldehyde in anhydrous alcohol should not exceed 4 mg/dm 3 , the mass concentration of esters, calculated per acetic-ethyl ester in anhydrous alcohol, should not exceed 5 mg/dm 3 for an alcohol of the grade "Higher purification".…”

Section: Chemical Engineeringmentioning

confidence: 99%

Research of Mineral Adsorbents Application for Water-Alcohol Solutions Purification in Technology of Alcoholic Beverages

Marynchenko

Hyvel

2017

EUREKA: Physics and Engineering

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The possibility of using natural mineral adsorbents - clinoptilolite and schungite - in the adsorption purification of water-alcohol solutions of different concentrations was studied using the example of impurities of ethanol of acetaldehyde and ethyl acetate. The feasibility of studying the above-mentioned minerals for the adsorption of simple organic substances is justified. The best concentration of a water-alcohol solution for adsorption of acetaldehyde 80-85 vol.%, ethyl acetate-40 vol.% is experimentally established. The rational duration of phase contact for adsorption of acetaldehyde is from 10 to 20 minutes, for adsorption of ethyl acetate - 5 minutes. An explanation for the dependence of the sorption efficiency on the ethanol content in a water-alcohol solution is proposed based on the known dependencies of the rectification factor on the ethanol concentration. The larger the rectification factor, the less the hydrogen bond of this impurity with ethanol and the easier it is to sorb it from ethanol by mineral adsorbents. The practical and economic feasibility of using the mineral adsorbent clinoptilolite of Ukrainian origin in the preparation of alcoholic beverages instead of imported active coal is shown. It is determined that to purify water-alcohol solutions from aldehydes, which most worsen the taste of alcoholic beverages, it is more expedient to use clinoptilolite as an adsorbent. It is shown that the use of clinoptilolite for the preparation of vodkas from non-standard rectified alcohol will improve the tasting indicators of the final product.

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Natural gas dehydration by desiccant materials

Cited by 78 publications

References 9 publications

Multicomponent Vapor–Liquid Equilibrium Measurement and Modeling of Ethylene Glycol, Water, and Natural Gas Mixtures at 6 and 12.5 MPa

Multicomponent Vapor–Liquid Equilibrium Measurement and Modeling of Ethylene Glycol, Water, and Natural Gas Mixtures at 6 and 12.5 MPa

Gas drying with ionic liquids

Research of Mineral Adsorbents Application for Water-Alcohol Solutions Purification in Technology of Alcoholic Beverages

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