膜-变压吸附耦合工艺掺氢天然气提纯氢气的实验研究

梁军; 陶宇鹏; 殷文华; 王永立; 张金亮; 鲁德华

doi:10.12434/j.issn.2097-2547.20250272

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膜-变压吸附耦合工艺掺氢天然气提纯氢气的实验研究

制氢与氢能开发利用 | 更新时间：2026-06-25

- 膜-变压吸附耦合工艺掺氢天然气提纯氢气的实验研究
- Experimental study on hydrogen separation from hydrogen-blended natural gas using coupled membrane-pressure swing adsorption process
- 低碳化学与化工 2026, 51(6): 115-123.
- 作者机构：
  
  1.西南化工研究设计院有限公司多孔材料与分离转化全国重点实验室，四川成都 610225
  2.中国石油天然气股份有限公司华北石化分公司，河北任丘 062550
- 作者简介：
  
  梁军（1973—），硕士，正高级工程师，研究方向为气体分离技术应用与开发，E-mail：591313016@qq.com。
- 基金信息：
  
  国家重点研发计划(2022YFB4003403)
- DOI：10.12434/j.issn.2097-2547.20250272
  中图分类号： TQ028
- 收稿：2025-07-08，
  
  修回：2025-10-14，
  
  纸质出版：2026-06-25
- 稿件说明：
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梁军,陶宇鹏,殷文华等.膜-变压吸附耦合工艺掺氢天然气提纯氢气的实验研究[J].低碳化学与化工,2026,51(6):115-123.

LIANG Jun,TAO Yupeng,YIN Wenhua,et al.Experimental study on hydrogen separation from hydrogen-blended natural gas using coupled membrane-pressure swing adsorption process[J].Low-Carbon Chemistry and Chemical Engineering,2026,51(6):115-123.
梁军,陶宇鹏,殷文华等.膜-变压吸附耦合工艺掺氢天然气提纯氢气的实验研究[J].低碳化学与化工,2026,51(6):115-123. DOI： 10.12434/j.issn.2097-2547.20250272.

LIANG Jun,TAO Yupeng,YIN Wenhua,et al.Experimental study on hydrogen separation from hydrogen-blended natural gas using coupled membrane-pressure swing adsorption process[J].Low-Carbon Chemistry and Chemical Engineering,2026,51(6):115-123. DOI： 10.12434/j.issn.2097-2547.20250272.

摘要

由于氢气密度小，采用高压长管拖车运输氢气经济性不高，天然气管道掺混输送氢气是解决长距离大规模运输氢气的有效途径之一。采用膜-变压吸附（Pressure Swing Adsorption，PSA）耦合工艺对掺氢比5.0%~20.0%（体积分数，下同）天然气分离氢气进行了实验研究，对比分析了天然气掺氢比、压力、流量及二氧化碳含量等主要因素对氢气分离效率的影响。结果表明，天然气掺氢比对氢气分离效率的影响最为显著，掺氢比越大，氢气分离成本越低。掺氢天然气压力越高，氢气回收率越大。进料流量越大，氢气回收率反而减小。二氧化碳和氢气在透过聚合物膜时会形成较强的渗透竞争，二氧化碳对氢气分离的效率会产生较大影响。在掺氢天然气压力4.0 MPa、掺氢比5.0%~20.0%条件下，可实现从掺氢天然气中高效分离出纯度99.999%（体积分数）的高纯氢气，氢气总回收率达90%，理论能耗为0.5~1.0 kWh/m

（以氢气计）。

Abstract

Due to the low density of hydrogen

transportation via high-pressure tube trailers is economically inefficient. Blending hydrogen into natural gas pipelines is considered one of the effective approaches for long-distance

large-scale hydrogen transport. An experimental study was conducted on the coupled membrane-pressure swing adsorption (PSA) process for hydrogen separation from natural gas with hydrogen blending ratios of 5.0% to 20.0% (volume fraction

the same below). The main factors affecting hydrogen separation efficiency

such as the natural gas hydrogen blending ratio

pressure

flow rate

and carbon dioxide content

etc.

were analyzed. The results show that the hydrogen blending ratio in natural gas has the most significant impact on hydrogen separation efficiency

with higher blending ratios leading to lower hydrogen separation costs. Higher pressure of hydrogen-enriched natural gas results in a higher hydrogen recovery rate. However

an increase in flow rate leads to a decrease in the hydrogen recovery rate. Carbon dioxide and hydrogen exhibit strong permeation competition when passing through the polymer membrane

and carbon dioxide significantly affects hydrogen separation efficiency. Under natural gas pressure of 4.0 MPa and hydrogen blending ratios of 5.0% to 20.0%

high-purity hydrogen with a purity of 99.999% (volume fraction) can be efficiently separated from hydrogen-enriched natural gas

achieving a total hydrogen recovery rate of 90% and a theoretical energy consumption of 0.5 kWh/m

to 1.0 kWh/m

(based on hydrogen).

关键词

Keywords

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