Reusing FT tail gas in the catalyst regenerator maintains reforming activity while reducing emissions, energy demand, and external regenerants.
Using formate as a transfer molecule, this case separates CO2 release from H2 generation to simplify gas purification and deliver fuel-cell-ready hydrogen.
Oxygen-permeable ceramic membranes couple heat exchange and oxygen diffusion to recover high-purity nitrogen, carbon dioxide, and oxygen with lower energy use.
Low-grade iron oxide replaces costly supported catalysts to produce hydrogen and graphitic carbon at high yield with simpler processing.
Electrostatic and magnetostatic fields convert hydrogen-bearing liquids into a proton-rich ionic fluid for stable STP storage without CO2-intensive processing.
Elastomer fillers tuned to 40-80 Shore A absorb hydrogen and swell for durable wellbore sealing in hydrogen storage and transport.
A metal nitride catalyst reactor enables ammonia synthesis at 300°C or less and ordinary pressure, cutting power use and facility cost.
By heating methane pyrolysis with integrated combustion, this reactor enables local hydrogen production with lower emissions and carbon separation.
Electrical immersion heaters and turbulence features raise reforming temperature without combustion, improving syngas conversion while protecting reactor fittings.
Coaxial radiative sheeting around a reactor tube improves heat flux and temperature control for high-temperature gas conversion with lower CO2 emissions.
Glycerin-filled support pores confine nickel to a surface eggshell layer, cutting catalyst use and cost while improving activity and coke resistance.
Liquid organic hydrogen carriers store hydrogen in liquid form, then route unreacted hydrogen to naphtha hydrotreating to cut cost and reuse refinery assets.
Metal oxide redox cycling converts carbon deposits into CO during syngas production, protecting catalyst durability and tuning H2/CO ratio.
Pincer group VIII catalysts enable ethanol dehydrogenation at ambient conditions, producing green hydrogen and acetic acid in high yield.
A g-C3N4/CuFeO2 heterostructure replaces toxic or precious catalysts to boost hydrogen production from alkaline plastic photoreforming.
Engaging recesses on the reaction tube support face hold catalyst grains in place and limit damage during thermal expansion and contraction.
A low-surface-area dehydrogenation catalyst cuts heavier hydrocarbon formation and simplifies toluene recovery with lower purification energy.
A toluene-rich LOHC blend with 1-10 wt% C12-C16 hydrocarbons raises hydrogen carrying capacity while lowering purification and transport cost.
Alloying palladium with group IB metals lowers hydrogen permeation activation energy while resisting embrittlement, sulfur poisoning, and carbon deposition.
Methanol is decomposed into syngas in situ, then used for alkene hydroformylation and aldehyde hydrogenation to simplify alcohol production.