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

A soy sauce tank uses a circulation tube and detection apparatus to measure amino acid nitrogen values during fluid flow.

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.

A one-step solution combustion synthesis method produces crystalline transuranic-doped zirconate pyrochlores.

A gas purifier separates catalyst and molecular sieve beds with a porous membrane to prevent media migration while maintaining low pressure drop.

An integrated diesel particle filter combines selective catalytic reduction and oxidation catalysts to enhance soot burn-off.

A portable fluorine generator uses a plasma reactor to separate F2 from feed gas for on-site calibration.

A methanization reactor converts captured carbon dioxide and hydrogen into methane fuel.

A gas separation device recovers thermal energy from separated nitrogen to heat the adsorbent.

A nitrogen membrane generator separates gas from compressed air, eliminating bulky cylinders and noise.

An oven for UV-drying in an inert atmosphere replaces oxygen with nitrogen to eliminate curing inhibition and reduce energy consumption.

A chemical looping combustion process uses two oxidation zones to produce dinitrogen with low dioxygen content.

A heat storage unit supplies thermal energy to an ammonia synthesis reactor during raw material gas flow increases.

Isobaric pressure exchanger recovers energy from high-pressure rich amine to pressurize lean amine, reducing compressor load.

A rotary kiln catalytically enhanced oxy-fuel gasification system converts waste into synthesis gas using pure oxygen and lime catalysts.

Catalytic cracking converts ammonia into hydrogen and nitrogen for cryogenic purification.

A segmented purification process converts oxygen impurities and adsorbs water to yield high-purity NO/N2 gas mixtures for medical applications.

A closed-loop nitrogen transport system recycles purified gas streams through adsorbent beds to maintain low hydrocarbon concentrations.

Reducing pressure lowers the boiling point of discharged nitrogen, enabling condensation and reuse while eliminating energy waste from heating processes.

Heat reserving elements reduce thermal energy consumption by storing heat within the adsorption tower structure.

iPECVD synthesizes flexible metal organic covalent network layers that exceed industry benchmarks for gas selectivity and permeability.

A photocatalyst with Cu-Pd nanoparticles on reduced graphene oxide converts nitrate to nitrogen gas.