Nitrogen Purification/Separation TRIZ Cases

See how pressure swing adsorption with vacuum desorption separates nitrogen and carbon dioxide

See how combining electrolytic hydrogen production, cryogenic liquefaction, nitrogen extraction

See how a non-circulating bottom liquid storage section and external discharge path maintain ni

See how a stand-alone cryogenic distillation column with nitrogen recycle removes argon and nit

See how integrated PSA nitrogen generation creates separate nitrogen and oxygen-enriched chambe

See how elevated-pressure distillation of nitric acid tail gas separates argon and nitrogen wit

See how RHO zeolite adsorbents with tuned pore dimensions enable kinetic oxygen separation in P

See how pressure swing adsorption with zeolite eliminates heavy compressors and CO₂ bottles in

See how RHO zeolite adsorbents with tuned pore dimensions enable kinetic oxygen separation in P

See how dynamic pressure matching in cryogenic air separation units reduces power consumption a

See how integrating mobile PSA nitrogen generation with liquid N2 backup increases capacity and

See how membrane separation and self-service cooling recycle hydrocarbons and nitrogen from ole

See how a compact PSA nitrogen system with carbon molecular sieves reduces oxygen in refrigerat

See how PSA-based nitrogen generation supplies inert nitrogen to prevent oxidation and oxygen-e

See how a circulation detection loop with continuous monitoring automates amino acid nitrogen v

See how adsorbent-based nitrogen separation reduces refrigeration unit weight by eliminating hi

A single hopcalite layer removes trace hydrogen and carbon monoxide while adsorbing CO2 and water, cutting TSA complexity and catalyst cost.

Successive cryogenic distillation with isotope scrambling concentrates 15N above 50 atom % while cutting impurities, hold-up, and start-up time.

Dehumidified fuel-cell exhaust passes through nitrogen-selective fibers to lower oxygen and moisture for stable high-purity nitrogen generation.

Dehumidifying fuel cell exhaust before selective gas filtration enables stable production of high-purity nitrogen from low-oxygen exhaust.

A variable vacuum on the membrane permeate side sustains high-purity nitrogen-enriched air during descent when engine bleed air is limited.

Controlling the Knoop indentation ratio in polycrystalline cBN raises elastic limit and crack resistance, reducing cutting-edge chipping.

A PSA stage run at lower air factor plus hydrogen catalytic reduction delivers 6.0 nitrogen with less compressed air and energy for laser cutting.

Autonomous litter processing uses sensors plus sieve and vacuum separation to treat poultry litter and recover nitrogen for fertilizer.

A cyclic sulfidation and regeneration process converts H2S into hydrogen and sulfur with lower energy use and no air separation unit.

A combined catalyst and refrigerant dryer layout turns 99.5%-99.9% nitrogen into 99.999% purity gas while keeping dew point below 3°C.

A dual-mode inert gas assembly switches purity levels to limit fire pipe corrosion and ice buildup without an oversized generator.

A two-stage metal oxide and nitride loop uses renewable heat to make nitrogen and ammonia at lower pressure with fewer emissions.

A method using alkaline carbonate to absorb carbon dioxide from exhaust gases and recover high purity gas.

Nitrogen removal from tail gas creates a fuel stream that reduces nitrogen oxide emissions and improves flame stability in ammonia cracking furnaces.

A power supply control device monitors pipe pressure and gas flow to automatically shut off compressor energy when nitrogen demand ceases.

Direct coupling of compression and storage units removes booster compressors, reducing equipment footprint.

A bimetallic oxidation catalyst uses metal B atomic clusters on metal A bulk deposits to maximize surface contact.

Merges separate nitrogen and hydrogen streams into a single unit for catalytic oxygen removal, reducing equipment complexity.

A controller phases multiple pressure swing adsorption concentrators to distribute peak airflow demands across time.

A piston-based isobaric pressure exchanger recovers energy from rich amine to pressurize lean amine, reducing compressor load in gas treating.

Acidic condensation of phenolic compounds yields uniform resin powder particles.

Zr-MOFs employ Zr6O32 cornerstones to reach 10000 m2/g surface area while maintaining thermal stability.

A geothermal system harnesses magma heat to drive hydrogen and nitrogen synthesis for ammonia production.

Multi-stage adsorption using aluminium oxide, calcium oxide, and activated carbon purifies ammonia gas streams to 99.9999% purity without sodium contamination.