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首页> 外文期刊>AIChE Journal >Acid gas adsorption on zeoliteSSZ-13: Equilibrium and dynamic behavior for natural gas applications
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Acid gas adsorption on zeoliteSSZ-13: Equilibrium and dynamic behavior for natural gas applications

机译:Zeolitessz-13上的酸性气体吸附:天然气应用的平衡和动力学行为

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摘要

In developing new adsorption separation processes, it is necessary to study both the equilibrium and dynamic adsorption properties of potential materials. Experimental determination of isotherms and dynamic breakthrough properties aid in the development of modeling new adsorption systems toward process development. Here, the equilibrium adsorption properties of a small-pore zeolite, Na-SSZ-13, are studied for its natural gas separation potential. Using volumetric, gravimetric, and dynamic column breakthrough adsorption techniques, the adsorption properties of CO2, CH4, C2H6, H2S, and H2O are determined. High-pressure breakthrough experiments demonstrate the mixed gas separation performance of Na-SSZ-13 in mixtures containing CO2, CH4, C2H6, and H2S. Simulations of these breakthrough experiments show that ideal adsorbed solution theory adequately describes the mixed gas adsorption modeling for this zeolite. In gas mixtures containing both CO(2)and H2S, there is an observed acid gas reaction that results in elution of carbonyl sulfide, COS.
机译:在开发新的吸附分离过程时,有必要研究潜在材料的平衡和动态吸附性能。等温线和动态突破性特性的实验测定辅助新型吸附系统对过程开发的发展。这里,研究了小孔沸石Na-SSZ-13的平衡吸附性质,用于其天然气分离电位。使用体积,重量柱和动态柱突破吸附技术,测定CO 2,CH4,C 2 H 6,H 2 S和H 2 O的吸附性能。高压突破实验证明了含有CO 2,CH 4,C 2 H 2和H 2 S的混合物中NA-SSZ-13的混合气体分离性能。这些突破性实验的仿真表明,理想的吸附溶液理论充分描述了该沸石的混合气体吸附建模。在含有CO(2)和H 2 S的气体混合物中,存在观察到的酸性气体反应,导致碳基硫醚,COS。

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