Phase Equilibrium Data for the Hydrates of Synthesized Ternary CH4/CO2/N2 Biogas Mixtures,Journal of Chemical & Engineering Data

当前位置： X-MOL 学术 › J. Chem. Eng. Data › 论文详情

Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)

Phase Equilibrium Data for the Hydrates of Synthesized Ternary CH4/CO2/N2 Biogas Mixtures
Journal of Chemical & Engineering Data ( IF 2.0 ) Pub Date : 2017-12-19 00:00:00 , DOI: 10.1021/acs.jced.7b00823
Xiaoya Zang _{1,

2,

3} , Deqing Liang _{1,

2,

3}

Affiliation

To enhance the energy efficiency of biogas and reduce environmental pollution, impurities such as CO₂ and N₂ must be removed. In this context, hydrate-based gas separation (HBGS) is a novel technology that has been utilized in gas purification. As such, the hydrate phase equilibrium data of the CH₄/CO₂/N₂ gas mixture are crucial for application of the HBGS process in biogas separation. This study presents our investigation into the phase equilibrium conditions for the hydrates of synthesized ternary CH₄/CO₂/N₂ biogas mixtures. All experiments were conducted at 276.2–286.3 K and 2.59–8.84 MPa using an isochoric method with different ternary CH₄/CO₂/N₂ gas concentrations. The results obtained herein indicated that the hydrate phase equilibrium conditions shifted to lower pressures and higher temperatures with increasing CO₂ contents. In addition, with a N₂ content of about 10%, the hydrate phase equilibrium data of the ternary gas mixtures approached that of pure CH₄.

中文翻译：

合成三元CH ₄ / CO ₂ / N ₂沼气混合物水合物的相平衡数据

为了提高沼气的能效并减少环境污染，必须去除诸如CO ₂和N ₂之类的杂质。在这种情况下，基于水合物的气体分离（HBGS）是一种已用于气体净化的新技术。因此，CH ₄ / CO ₂ / N ₂气体混合物的水合物相平衡数据对于将HBGS工艺应用于沼气分离至关重要。本研究为合成三元CH ₄ / CO ₂ / N ₂的水合物的相平衡条件研究提供了条件。沼气混合物。所有实验均采用等渗法，在不同的三元CH ₄ / CO ₂ / N ₂气体浓度下，在276.2–286.3 K和2.59–8.84 MPa下进行。本文获得的结果表明，随着CO ₂含量的增加，水合物相平衡条件转移到较低的压力和较高的温度。另外，在N ₂含量为约10％的情况下，三元气体混合物的水合相平衡数据接近纯CH ₄的水合相平衡数据。

更新日期：2017-12-19

点击分享查看原文

点击收藏

阅读更多本刊最新论文