Membranes for helium recovery: An overview on the context, materials and future directions

Engineering & Materials Science

• Helium 100%
• Membranes 74%
• Recovery 60%
• Metal-Organic Frameworks 45%
• Permeation 32%
• Silica 22%
• Zeolites 20%
• Pore size 12%
• Gases 12%
• Cryogenics 11%
• Natural gas 9%
• Hydrogen 8%
• Polymers 8%
• Membrane technology 7%
• Chemical stability 7%
• Gas plants 7%
• Gas supply 6%
• Polymer matrix 6%
• Inert gases 6%
• Gas industry 6%
• Liquefied natural gas 5%
• Distillation 5%
• Thermodynamic stability 5%
• Supply chains 5%
• Adsorption 5%
• Scalability 4%
• Substrates 3%
• Economics 3%
• Fluids 3%
• Hot Temperature 2%
• Temperature 2%

Chemical Compounds

• Metal Organic Framework 24%
• Gas 14%
• Permeability 13%
• Natural Gas 12%
• Zeolite 12%
• Cryogenics 12%
• Permeation Separation 10%
• Liquefied Natural Gas 9%
• Pore Size 9%
• Noble Gas Atom 5%
• Hydrogen 5%
• Distillation 5%
• Chemical Stability 5%
• Flexibility 4%
• Industry 4%
• Additive 3%
• Thermal Stability 3%
• Application 3%
• Diffusion 3%
• Pressure 3%
• Adsorption 2%
• Time 2%