Hydrogen Separation At Low Temperature TRIZ Cases

See how a multi-stage compressor merges syngas and refrigerant compression into one unit to red

A ZnO adsorbent bed placed after hydrodesulfurization captures sulfur species, reducing fuel cell catalyst poisoning and extending bed operation.

Using ammonia as the sweep gas in a membrane reactor boosts hydrogen permeation while cutting corrosion, energy use, and extra gas infrastructure.

Boiler feed water preheats the condensate stripper before contaminated condensate enters, avoiding storage tanks and stabilizing steam reformer start-up.

A thin nickel coating on porous oxide supports cuts ammonia formation in steam reforming while preserving hydrocarbon conversion and low methane slip.

Using ammonia as the sweep gas boosts hydrogen permeation while avoiding steam corrosion and extra nitrogen or steam infrastructure.

Drying CO2-rich off-gas before low-temperature separation is integrated with regeneration-gas heat exchange to reduce energy use and equipment size.

Alkali metal catalysts enable low-temperature gasification to produce methane-rich synthesis gas.

Parallel reaction material heaters supply thermal energy to individual dehydrogenation reactors, resolving low conversion rates and catalyst coking.

Cryogenic capture and amine scrubbing separate carbon dioxide from reformer flue gas and PSA tail streams.

A pre-reforming process converts higher hydrocarbons into synthesis gas using steam and specific H2/CO2 ratio control.

Staged recontacting recovers C3 and C4 hydrocarbons from fuel gas streams, preventing substance loss in catalytic reforming effluents.

Intermediate condensate separation during multi-stage cooling reduces thermal energy needed for evaporation, eliminating external heating requirements.

Condensing offgas at sub-ambient temperatures separates unreacted ammonia from hydrogen streams, eliminating the need for bulky pressure swing adsorption units.

A nickel-based catalyst reformer processes heavy hydrocarbon feedstocks without alkali promoters, eliminating pre-reformers and reducing steam-to-carbon ratios.

Hot filter pyrolysis removes chlorine impurities to prevent equipment corrosion during syngas production.

Sub-stoichiometric combustion converts hydrocarbon carbon to soot, reducing CO2 emissions while maximizing hydrogen yield through integrated heat recovery.

A hydromethanation reactor integrates heat recovery and internal steam generation to optimize syngas balance.

Recycles CO product into a shift reactor to maintain hydrogen production flow rates, preventing cryogenic unit shutdowns during low demand.

A sour gas separator divides condensation and absorption zones via a gas-permeable base, preventing HCN and ammonia reabsorption during methanol purification.

Catalytic reforming of hydrocarbon fuel using engine exhaust heat recovers waste energy while reducing system complexity.

Operating primary reformer tubes above 35 bar and adding excess air to the secondary reformer reduces compressor size and energy costs.