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Peer-reviewedCC BY-NC-ND 4.0ACS Omega

Hydrogen Blending in Natural Gas: Technologies and Challenges

  • Dan Guo1,2,3
  • Yuxin Cui1
  • Pan Zhang4
  • Xiao Wu1,2,3
  • Zhao Yang5
  • Jiang Bian5
5 affiliations
  1. 1Shandong Institute of Petroleum and Chemical Technology , , ,
  2. 2Efficient Exploration and Development of Oil and Gas Reservoirs and the Integration of Geology and Engineering Shandong Provincial Engineering Research Center , , ,
  3. 3Shandong Key Laboratory of Green Electricity & Hydrogen Science and Technology , ,
  4. 4Sinopec Shengli Oilfield Company , ,
  5. 5Yangtze University , , ,
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Abstract

In this paper, a comprehensive review of the technologies and challenges associated with hydrogen-blended natural gas (HBNG) systems is provided. The background, hydrogen production pathways, blending technologies, and implementation strategies of HBNG were systematically reviewed, while the effects of hydrogen addition on gas properties, pipeline transportation systems, and end-use applications were critically examined. The results indicate that HBNG technologies are gradually evolving from low-concentration feasibility studies toward high-hydrogen-ratio applications. At elevated hydrogen blending levels, major technical challenges include hydrogen embrittlement of pipeline materials, leakage and explosion risks, combustion stability control, and determination of hydrogen blending ratios. Besides, high hydrogen production costs, infrastructure retrofitting requirements, and the lack of harmonized international standards continue to hinder large-scale deployment. Therefore, future implementation of HBNG technologies will require breakthroughs in material durability, technical standardization, accurate hydrogen concentration control, and end-use system adaptability, thereby providing important support for the transition toward low-carbon and sustainable energy systems.

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Cite

BibTeXRIS
BibTeX
@article{guo2026hydrogen,
  title = {{Hydrogen Blending in Natural Gas: Technologies and Challenges}},
  author = {Dan Guo and Yuxin Cui and Pan Zhang and Xiao Wu and Zhao Yang and Jiang Bian},
  journal = {ACS Omega},
  year = {2026},
  month = oct,
  doi = {10.1021/acsomega.6c07107},
  url = {https://pubs.acs.org/acsodf/article/11/41/62310/5448479/Hydrogen-Blending-in-Natural-Gas-Technologies-and},
  note = {CC BY-NC-ND 4.0},
}
RIS
TY  - JOUR
TI  - Hydrogen Blending in Natural Gas: Technologies and Challenges
AU  - Dan Guo
AU  - Yuxin Cui
AU  - Pan Zhang
AU  - Xiao Wu
AU  - Zhao Yang
AU  - Jiang Bian
PY  - 2026
DA  - 2026/10/10
JO  - ACS Omega
DO  - 10.1021/acsomega.6c07107
UR  - https://pubs.acs.org/acsodf/article/11/41/62310/5448479/Hydrogen-Blending-in-Natural-Gas-Technologies-and
AB  - In this paper, a comprehensive review of the technologies and challenges associated with hydrogen-blended natural gas (HBNG) systems is provided. The background, hydrogen production pathways, blending technologies, and implementation strategies of HBNG were systematically reviewed, while the effects of hydrogen addition on gas properties, pipeline transportation systems, and end-use applications were critically examined. The results indicate that HBNG technologies are gradually evolving from low-concentration feasibility studies toward high-hydrogen-ratio applications. At elevated hydrogen blending levels, major technical challenges include hydrogen embrittlement of pipeline materials, leakage and explosion risks, combustion stability control, and determination of hydrogen blending ratios. Besides, high hydrogen production costs, infrastructure retrofitting requirements, and the lack of harmonized international standards continue to hinder large-scale deployment. Therefore, future implementation of HBNG technologies will require breakthroughs in material durability, technical standardization, accurate hydrogen concentration control, and end-use system adaptability, thereby providing important support for the transition toward low-carbon and sustainable energy systems.
SN  - 2470-1343
ER  -