Hydrogen Separation Using Solid Contact TRIZ Cases

A proton-conducting membrane with hydrogen-permeable and catalytic electrodes enriches deuterium gas without complex cryogenic separation.

By controlling off-gas reaction equilibrium after steam and CO2 removal, this case suppresses carbon deposition while preserving fuel utilization.

By controlling off-gas equilibrium after steam or CO2 removal, this case suppresses carbon deposition and pipe clogging while maintaining fuel utilization.

Waste heat from a high-temperature fuel cell drives steam methane reforming, cutting NOx to zero while delivering >95% hydrogen purity.

Hydrogen-selective membranes purify reformer gas, while CO2-separated byproduct fuel is reused in burners to sustain hydrogen production.

Preheating methanol above catalyst light-off and holding reformer gas in a narrow range preserves methane for more efficient fuel cell reforming.

A gas removal assembly strips CO2 from the byproduct stream and recirculates it to burners, raising hydrogen purity while reducing energy waste.

Formic acid dehydrogenation, phase separation, and PSA deliver 70 MPa+ hydrogen without compressors, cutting energy use and complexity.

Off-gas recycling to the reformer burner helps a fuel cell system co-produce electricity and high-purity hydrogen with stable thermal control.

Anode exhaust heat from a high-temperature fuel cell drives steam methane reforming to boost hydrogen output while cutting NOx and separate heating needs.

Hydrogen-selective membranes and ammonia adsorption cut NH3 below 0.01 ppm while heat recovery lowers energy use and avoids extra cleanup stages.

Controlling hydrodesulfurizer temperature before raw material supply suppresses catalyst carbon deposition and stabilizes hydrogen generation.

Variable vacuum pump throughput keeps ICP-MS interface pressure matched to hot or cold plasma, improving ion transfer and detection sensitivity.

Concentric reformer, shift, and PROX placement improves heat recovery and cooling, stabilizing CO removal while shrinking the unit.

Part of the produced hydrogen powers a fuel cell that feeds the pyrolysis reactor, enabling on-site high-purity hydrogen with minimal external electricity.

A single PC-boiler uses syngas cooling to generate pure steam from BFW and process steam from condensate without contamination.

TSA removes hydrogen sulfide from hydrotreated gas, then recycles sulfur and purified hydrogen to sustain catalyst sulfidation at lower cost.

Reduced metal oxide catalysts convert carbonaceous fuels with CO2 or steam into nitrogen-free CO or syngas at lower energy and without air separation.

Parallel combustion- and electrically heated reforming shifts CO2 capture to higher-pressure synthesis gas, cutting flue-gas scrubbing load.

An electrically heated and combustion-heated syngas conversion sequence raises CO2 concentration for higher removal rates and lower emissions.

A core-shell high-entropy alloy catalyst boosts methane pyrolysis efficiency, resists coking, and enables hydrogen production with minimal CO2.

Hot pressurized feedwater is split to supply a thermal power generator, recovering low-grade heat without extra coolers or circulation pumps.

An inert contact layer rapidly heats the methane, CO, and steam mix above 540°C before catalyst contact, preventing coke and preserving hydrogen output.

An oxygen carrier cycles through reduction and steam oxidation to produce hydrogen near 500°C while separating CO2 and reducing fuel demand.

A gas ejector compresses PSA residual gas at low pressure, improving hydrogen yield while helping fire the ammonia cracker.

A carbon- and sulfur-free fuel stream supports low-temperature heat recovery while catalytic ammonia cracking and PSA separation produce hydrogen.

Coke formation lowers catalytic activity and hydrogen yield from biogas; combined dry and wet reforming plus water gas shift helps preserve catalyst activity.

Using process off-gases and hydrogen-rich streams as preheater fuel reduces natural gas firing and supports more than 98% carbon recovery.

UV-only photocatalysis limits CO2 conversion; the TiO2 quantum-dot composite broadens light absorption for lower-energy photothermal CO and H2 production.

Preheat, dehydrogenate, and purify carrier-derived hydrogen for decentralized use.

This hydrogen process replaces part of fossil feedstock with biomethane and captures CO2 to meet low-carbon targets.

Steam-driven oxygen-carrier looping lowers reaction temperatures, improves hydrogen efficiency, and enables zero-energy CO2 separation.

A two-part exchanger cools synthesis gas to condense water, preventing damage to the PSA unit.

Shell-and-tube reformer uses solar heat to produce synthesis gas without carbon dioxide emissions, recycling CO2 to adjust the H2/CO molar ratio.

Merges condensate treatment with CO2 capture using shared equipment, reducing wastewater complexity and operational costs.