A Mini Review on Liquid Phase Catalytic Exchange for Hydrogen Isotope Separation: Current Status and Future Potential

Siti Munirah Mhd Yusof, Serene Sow Mun Lock (), Nur Najwa Abdul Talib and Liew Chin Seng
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Siti Munirah Mhd Yusof: Centre of Carbon Capture, Utilisation and Storage (CCCUS), Universiti Teknologi PETRONAS, Bandar Seri Iskandar 32610, Perak, Malaysia
Serene Sow Mun Lock: Centre of Carbon Capture, Utilisation and Storage (CCCUS), Universiti Teknologi PETRONAS, Bandar Seri Iskandar 32610, Perak, Malaysia
Nur Najwa Abdul Talib: Centre of Carbon Capture, Utilisation and Storage (CCCUS), Universiti Teknologi PETRONAS, Bandar Seri Iskandar 32610, Perak, Malaysia
Liew Chin Seng: Centre of Carbon Capture, Utilisation and Storage (CCCUS), Universiti Teknologi PETRONAS, Bandar Seri Iskandar 32610, Perak, Malaysia

Sustainability, 2024, vol. 16, issue 11, 1-17

Abstract: Liquid phase catalytic exchange (LPCE) appears a highly promising technology for separating hydrogen isotopes due to being less energy-intensive and having a high separation factor. This paper provides an overview of the current development of the hydrophobic catalysts used in the LPCE process, including the LPCE fundamentals, factors influencing its effectiveness, and proposals for future research areas. This paper specifically reviews the active metal catalysts, catalyst supports, operating temperatures, and molar feed ratio(gas-to-liquid,G/L). The addition of a second metal such as Ir, Fe, Ru, Ni, or Cr and modified catalyst supports showed enhancement of LPCE performance. Additionally, the validated optimized temperature of 60–80 °C and G/L of 1.5–2.5 provide an important basis for designing LPCE systems to improve separation efficiency. This paper concludes by highlighting potential research areas and challenges for future advancements in the sustainability of LPCE for hydrogen isotope separation, which include the optimization, scalability, techno-economic analysis, and life-cycle analysis of modified catalyst materials.

Keywords: hydrogen isotope; hydrogen isotope separation; liquid phase catalytic exchange; hydrophobic catalyst; optimization (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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