Typical processes and selection for hydrogen purification via pressure swing adsorption of coke oven gas

ZHENG Jianchuan; ZHANG Chonghai; YU Qiulan; SONG Ziqiang; HU Xu

doi:10.12434/j.issn.2097-2547.20220236

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Typical processes and selection for hydrogen purification via pressure swing adsorption of coke oven gas

- Typical processes and selection for hydrogen purification via pressure swing adsorption of coke oven gas
- Vol. 48, Issue 5, Pages: 170-175(2023)
- 作者机构：
  
  1.西南化工研究设计院有限公司工业排放气综合利用国家重点实验室，四川成都 610225
- 作者简介：
- 基金信息：
- DOI：10.12434/j.issn.2097-2547.20220236
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ZHENG Jianchuan, ZHANG Chonghai, YU Qiulan, et al. Typical processes and selection for hydrogen purification via pressure swing adsorption of coke oven gas. [J]. Low-carbon Chemistry and Chemical Engineering 48(5):170-175(2023)
DOI：

ZHENG Jianchuan, ZHANG Chonghai, YU Qiulan, et al. Typical processes and selection for hydrogen purification via pressure swing adsorption of coke oven gas. [J]. Low-carbon Chemistry and Chemical Engineering 48(5):170-175(2023) DOI： 10.12434/j.issn.2097-2547.20220236.

摘要

介绍了焦炉煤气变压吸附提氢的主要工艺，包括往复式压缩机提氢、螺杆压缩机提氢、焦炉煤气提氢联产SNG（Substitute natural gas）和蒸汽转化制氢；比较了不同工艺的技术特点、工艺配置和动力设备配置、操作难点和维护难点；计算了各种工艺提氢的运行成本。结果表明，当焦炉煤气价格为0.6 CNY/m,3,、电价为0.5 CNY/（kW∙h）时，上述工艺生产单位氢气的运行成本均在0.7 CNY/m,3,以下，是比较廉价的氢气来源。其中，往复式压缩机提氢工艺和螺杆压缩机提氢工艺的工艺简单、操作维护难度低，应用更为广泛。

Abstract

The main processes for hydrogen purification via pressure swing adsorption of coke oven gas were presented, including hydrogen purification with reciprocating compressors, hydrogen purification with screw compressors, hydrogen and SNG (Substitute natural gas) co-production from coke oven gas, and steam reforming hydrogen production. The technical characteristics, process configuration, power equipment configuration, operational challenges, and maintenance difficulties of different processes were compared. The operating costs of various hydrogen purification processes were calculated. The results show that when the price of coke oven gas is 0.6 CNY/m,3, and the electricity price is 0.5 CNY/(kW·h), the operating costs of hydrogen purification for the mentioned processes are all below 0.7 CNY/m,3, making them relatively inexpensive sources of hydrogen. Among them, the processes using reciprocating compressors and screw compressors are characterized by simplicity, ease of operation, and low maintenance difficulty, making them more widely applicable.

关键词

焦炉煤气氢气变压吸附工艺配置运行成本

Keywords

coke oven gashydrogenpressure swing adsorptionprocess configurationoperating costs

references

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PSA Business Group,Sichuan Tianyi Science and Technology Co.,Ltd.

College of Chemical Engineering and Technology, Taiyuan University of Technology

C1 Chemistry, Southwest Institute of Chemical Co., Ltd.

Department of Chemistry, Southern University of Science and Technology

Academy for Advanced Interdisciplinary Studies, Southern University of Science and Technology

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