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[1]李军,王瑞梅,张艳花,等.中温氢气直接吸附剂合成及其分离性能[J].油气储运,2023,42(08):922-928.[doi:10.6047/j.issn.1000-8241.2023.08.008]
　LI Jun,WANG Ruimei,ZHANG Yanhua,et al.Synthesis and separation performance of direct hydrogen adsorbent at moderate temperature[J].Oil & Gas Storage and Transportation,2023,42(08):922-928.[doi:10.6047/j.issn.1000-8241.2023.08.008]
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中温氢气直接吸附剂合成及其分离性能

《油气储运》[ISSN:1000-8241/CN:13-1093/TE] 卷: 42 期数: 2023年08期 页码: 922-928 栏目: 工艺与工程 出版日期: 2023-08-25
Title:
Synthesis and separation performance of direct hydrogen adsorbent at moderate temperature
文章编号:
1000-8241（2023）08-0922-07
作者:
李军1; 2; 王瑞梅3; 张艳花1; 2; 王冬冬1; 2; 刘筱晗1; 李世刚3; 李爽1; 2; 史翊翔1; 2
1.清华大学能源与动力工程系·热科学与动力工程教育部重点实验室；2.清华大学山西清洁能源研究院；3.北京佳安氢源科技股份有限公司
Author(s):
LI Jun1; 2; WANG Ruimei3; ZHANG Yanhua1; 2; WANG Dongdong1; 2; LIU Xiaohan1; LI Shigang3; LI Shuang1; 2; SHI Yixiang1; 2
1.Department of Energy and Power Engineering, Tsinghua University//Key Laboratory for Thermal Science and Power Engineering of Ministry of Education; 2.Shanxi Research Institute for Clean Energy, Tsinghua University; 3.Beijing Jaran Hydrogen Energy Techno
关键词:
掺氢天然气; 氢气直接吸附; 分离; 提纯; 粉化
Keywords:
hydrogen enriched natural gas;  direct hydrogen adsorption;  separation;  purification;  pulverization
分类号:
TE832
DOI:
10.6047/j.issn.1000-8241.2023.08.008
文献标志码:
A
摘要:
掺氢天然气借助管网运输，是现阶段解决氢气储运难题的有效途径之一，将氢气从掺氢天然气管网终端高效分离并提纯是目前的研究热点。为了实现掺氢天然气中氢气与天然气的快速分离，解决氢气直接吸附剂的粉化问题，采用真空感应熔炼法制备了改性镧镍基系列氢气直接吸附剂材料，并将吸附合金粉末造粒成型制成氢气直接吸附剂颗粒。通过对LaNi4.3Al0.7、LaNi3Al1及LaNi4Al1共3种吸附合金分别进行SEM、XRD、ICP检测，优选出LaNi4.3Al0.7合金制得氢气直接吸附剂，并对其在不同压力、不同温度下的氢气吸附量及80℃下的吸附量衰减情况进行了测试。研发了中温氢气直接吸附提纯净化工艺，在模拟掺氢天然气压力和掺氢比例条件下，成功实现了掺氢天然气中氢气与天然气的分离。结果表明：分离出的氢气纯度可以达到99.9％以上，氢气直接吸附剂在3000次循环后吸附容量基本不变，累计运行900h吸附剂无粉化现象，为早日实现“氢进万家”科技示范工程奠定了基础。（图6，表2，参21）
Abstract:
Hydrogen enriched natural gas (HENG) transportation through pipeline networks is one of the effective approaches to address the challenges of hydrogen storage and transportation at this stage. Thus, it is a hot spot to research the efficient separation and purification of hydrogen at the terminals of HENG pipeline network at present. In order to achieve the rapid separation of hydrogen and natural gas in the HENG and overcome the pulverization of direct hydrogen adsorbents, a series of modified lanthanum-nickel-based direct hydrogen adsorbent materials were prepared using the vacuum induction melting method, and the direct hydrogen adsorbent particles were fabricated by granulating the adsorption alloy powder. Then, SEM, XRD and ICP detection were conducted with three kinds of adsorption alloys, namely, LaNi4.3Al0.7, LaNi3Al1 and LaNi4Al1 respectively. The LaNi4.3Al0.7 alloy was selected preferably to make the direct hydrogen absorbent. On this basis, tests were carried out for the hydrogen adsorption capacity of the prepared direct hydrogen adsorbent under different pressures and temperatures, as well as the decay of adsorption capacity at 80 ℃. Besides, a direct hydrogen adsorption purification process at moderate temperature was developed, which successfully realized the separation of hydrogen and natural gas in HENG under the simulated conditions of pressure and hydrogen blending ratio. The results show that the purity of separated hydrogen could reach 99.9% and above. The direct hydrogen adsorbent has almost no decrease in adsorption capacity after 3 000 cycles and shows no pulverization after the cumulative operation over 900 hours. Generally, these findings lay a solid research foundation for the “hydrogen into end-user households” science and technology demonstration project. (6 Figures, 2 Tables, 21 References)

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备注/Memo

李军，男，1992年生，工程师，2020年硕士毕业于太原理工大学动力工程专业，现主要从事氢能技术开发及应用方向的研究工作。地址：山西省太原市小店区正阳街100号，030032。电话：18834148190。Email：lij2@sice-tsinghua.org
通信作者：李爽，男，1989年生，助理研究员，2016年博士毕业于清华大学动力工程及工程热物理专业，现主要从事气体分离与污染物脱除、氢气制取及利用方向的研究工作。地址：北京市海淀区清华园1号清华大学能动系，100084。电话：18210192535。Email：shuangli@tsinghua.edu.cn
基金项目：国家重点研发计划项目“中低压纯氢与掺氢燃气管道输送及其应用关键技术”，2021YFB4001604。
（收稿日期：2023-05-14；修回日期：2023-06-27；编辑：刘朝阳）

更新日期/Last Update: 2023-08-25