Cited by 172Ammonia Synthesis and Nitrogen ReductionHybrid Renewable Energy SystemsChemical Looping and Thermochemical Processes

Green ammonia production technologies: A review of practical progress

Ojelade, Opeyemi A., Zaman, Sharif F., Ni, Bing-Jie·2023·Journal of Environmental Management

Abstract

• Conventional H–B process with process optimization and CCSU technology is a near-term option. • Sustainable N-fertilizer that relies on air and water could revolutionize the agriculture business. • Data from demonstration plants would accelerate scale-up and market trend analysis . • Cost of electrolysis-driven HB ammonia is competitive with traditional technology in some regions. • Simultaneously achieving DOE target ammonia yield and energy efficiency remains elusive.

Integrity signals

Registry

Crossref · 10.1016/j.jenvman.2023.118348

Cites

109 of 109 references verified0 citation errors · 0 not checkable

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  • The conventional ammonia process is energy-intensive, typically consuming 28-36 GJ of energy per ton of ammonia, and contributes approximately 1.8% to global CO2 emissions, primarily originating from the steam methane reforming stage used for hydrogen production.

    “This conventional process is energyintensive, typically consuming 28-36 GJ of energy per ton of ammonia, and contributes approximately 1.8% to global CO 2 emissions, primarily originating from the SMR stage used for hydrogen production [296-298].”
  • Ammonia requires dedicated infrastructure and handling protocols, and its use in engines necessitates new designs and emission control systems.

    “Ammonia, while easier to store and transport than hydrogen, also requires dedicated infrastructure and handling protocols, and its use in engines necessitates new designs and emission control systems [298].”

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Authors
Ojelade, O. A., Zaman, S. F., & Ni, B.-J.
Affiliations
  • Georgia Institute of Technology (US)
  • King Abdulaziz University (SA)
  • University of Technology Sydney (AU)
Corresponding author
Ni, Bing-Jie
Venue
Journal of Environmental Management
Publisher
Elsevier BV
Published
2023-09
Volume
342
Pages
118348
ISSN
0301-4797 (ISSN-L)
OpenAlex
W4380716337
Cited by
172
References
113
Citations by year
2026: 42 · 2025: 72 · 2024: 52 · 2023: 6
FWCI
3.02
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Environmental Management (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Advanced Research Projects Agency - Energy
  • University of Technology Sydney
  • U.S. Department of Energy
  • King Abdulaziz University
Topics
  • Physical Sciences › Chemical Engineering › Catalysis › Ammonia Synthesis and Nitrogen Reduction
  • Physical Sciences › Energy › Energy Engineering and Power Technology › Hybrid Renewable Energy Systems
  • Physical Sciences › Engineering › Biomedical Engineering › Chemical Looping and Thermochemical Processes
Keywords
green ammonia, ammonia synthesis, carbon capture and storage, nitrogen fertilization, electrolysis, energy efficiency, scale-up, demonstration plant
MeSH terms
Ammonia, Green Chemistry Technology

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