Nitrous Oxide Capture TRIZ Cases
- Layered Adsorber Design for Reduced Cryogenic Purification Material
See how a segmented alumina and molecular sieve layer design allows controlled water breakthrou
- Air separation apparatus, adsorber, and method
See how an ASU pre-purification unit allows temporary N₂O elevation during chiller trips to mai
- Adsorber, purification system, and purification method
See how a segmented alumina and molecular sieve layer design allows controlled water breakthrou
- Use of a verbase metal catalyst for treatment of ozone and volatile organic compounds present in air supply
See how a manganese oxide and copper oxide catalyst on rare earth support removes ozone and VOC
- HVAC Air Scrubbing and Oxygen Injection to Reduce Thermal Load
See how CO2 scrubbing with zeolites and oxygen injection reduce HVAC air replacement rates, low
- Rapid cycle pressure swing adsorption process and adsorbent laminates for use therein
See how composite adsorbent laminates with segmented zeolite and alumina layers enable rapid cy
- HVAC Air Recirculation With CO2 Scrubbing and Oxygen Injection
Gas scrubbers and oxygen injection maintain indoor air quality while cutting HVAC thermal load and outside air replacement.
- Base Metal Catalyst Layer for Long-Life Ozone and VOC Removal
Copper-manganese oxide on supported substrates removes ozone and VOCs at lower cost while sustaining air-cleaning performance over time.
- HVAC Air Scrubbing and Oxygen Injection for Lower Thermal Load
CO2 scrubbing and oxygen enrichment cut outside air intake, maintaining indoor air quality while lowering HVAC thermal load and energy use.
- CO2 Gas Purification Sequence to Prevent Mercury Corrosion
Sequential cooling, NOx removal, reheating, and Hg0 adsorption protect aluminum cryogenic equipment while enabling reliable CO2 purification.
- Air Handling Unit Scrubbing to Cut HVAC Air Replacement Load
Gas scrubbers and oxygen injection maintain indoor air quality while reducing outside air exchange, HVAC thermal load, and energy use.
- Semiconductor Waste Gas Treatment With Integrated Heat Recovery
Integrated pre-treatment, reaction, and heat exchange improve fluorine and N2O removal while recovering waste heat and lowering energy use.
- Carbon-Coated Ni-Al Nanocomposite for Low-Temperature VOC Catalysis
A graphitized carbon shell over NiO-alumina nanoparticles enables lower-temperature N2O decomposition and VOC combustion with lower catalyst cost.
- Disc Brake Friction Assembly With Integrated Gas Filtration
A grooved brake lining and negative-pressure filter capture friction gases and particles, reducing brake emissions and component fouling.
- Anaesthetic Gas Scavenging with Drying and Adsorbent Recovery
Moisture is removed upstream so adsorbent collectors can continuously recover anaesthetic agents and cut exhaust pollution.
- Disc Brake Friction Assembly With Vacuum Groove Gas Capture
A vacuum-linked groove and filter collect brake lining gases and particles during friction, reducing emissions and protecting nearby components.
- Doped TiO2 AMOx Catalyst for Low N2O Exhaust Treatment
PGM on doped TiO2 improves ammonia oxidation and N2 selectivity while lowering N2O formation and preserving hydrothermal stability.
- Plasma NOx Absorption Loops for Ammonia Loss Reduction
Air plasma generates NOx that is absorbed in staged pH-controlled loops to cut ammonia loss, odor, and nitrogen depletion from organic material.
- Iron Zeolite Catalyst Blend for Stable NOx and N2O Conversion
A mixed iron chabazite and iron beta zeolite catalyst cuts NOx and N2O with stable activity over a wide temperature range.
- SCR Feed Ratio Oscillation for Low-Temperature NOx Conversion
Phasewise NOx variation makes the SCR NH3/NOx ratio oscillate, improving low-temperature conversion while limiting ammonia slip and deposits.
- Dual-Reactor Gas Abatement Using Combustion Heat Recovery
Combustion in a surrounding second reactor heats the reduction zone, cutting abatement energy use while widening operating conditions.
- Nitric Acid Tail Gas Beds for Startup NOx Reduction
Adding ammonia upstream lets the N2O catalyst also reduce NOx during startup and shutdown, cutting plume emissions without extra heating.
- Vertical Sorbent Panel-Beds for Ammonia Capture Without Heat Loss
Vertical sorbent panel-beds remove ammonia from indoor air without raising ventilation rates, cutting heat loss, emissions, and energy use.
- Exhaust Gas Catalyst Layout to Cut N2O During High-NOx Treatment
A staged denitration and ammonia decomposition catalyst layout lowers NOx and ammonia while suppressing N2O in high-NOx exhaust.
- Axial Cu-Fe Zeolite SCR Catalyst for Low N2O Diesel NOx Control
An axially coated Cu-Fe zeolite SCR catalyst balances high NOx conversion with lower N2O emissions under standard and fast SCR conditions.
- Molten Alkali Borate Sorbents for High-Temperature Acid Gas Separation
Molten alkali borate sorbents capture and separate multiple non-CO2 acid gases at high temperature, cutting process steps and regeneration energy.
- Plasmonic Photocatalytic Reactor Cells With Light and Thermal Management
Reflective surfaces, solar concentration, and thermal control help plasmonic reactor cells cut energy use while sustaining photocatalytic reforming.
- Axial Catalyst Bed Reactor With Floating Support for Thermal Stress
A floating sieve and support structure lets an axial catalyst bed expand thermally, simplifying replacement while preventing bypassing.
- Ni-Co Spinel Catalyst for Moisture-Resistant N2O Decomposition
Spinel Ni-Co catalyst compositions maintain N2O decomposition at low temperature in moist, sulfur dioxide-containing exhaust gas.
- Porous Tube Catalyst Bed for Even Nitrous Oxide Decomposition
Gas-permeable tubular members spread exhaled nitrous oxide evenly through the catalyst bed, improving decomposition and limiting hot spots.
- Dual-Zone Exhaust Catalyst for Ammonia Slip Without N2O/NOx Penalty
A Pt-rich zone paired with high-Cu/Al zeolite boosts ammonia conversion while limiting N2O and NOx in engine exhaust.
- Ammonia Engine Exhaust Catalyst Layout for N2O and NH3 Control
A staged catalyst train combines passive SCR, ammonia oxidation, regulated SCR, and N2O decomposition to cut greenhouse exhaust emissions.
- Rare Earth AEI Zeolite Coating for Hydrothermally Stable SCR Catalysts
Rare earth ion-exchanged AEI zeolite coatings improve NH3-SCR catalyst stability, low-temperature activity retention, and SO2 poisoning resistance.
- Sequential Flue Gas Catalysts for Ammonia, N2O, and NOx Decomposition
Sequential catalysts first decompose ammonia, then break down N2O and NOx in ammonia-fueled combustion exhaust to cut emissions.
- Nitric Acid Absorption With Ozone Injection for Low-NOx Exhaust
Ozone added to the nitric acid stream before absorption accelerates NOx oxidation, cutting exhaust emissions without high-pressure complexity.
- Zoned SCR Catalyst Coating for High NOx Conversion and Low N2O
A dual-zone copper molecular sieve coating places lower Cu upstream and higher Cu downstream to raise NOx conversion while limiting N2O.
- Ruthenium Oxide Catalyst Composition for Stable Nitrous Oxide Decomposition
A ruthenium catalyst on titanium oxide with zirconium or silicon maintains nitrous oxide decomposition rates longer by resisting deactivation.
- Anatase TiO2 Concrete Penetration for Photocatalytic Pollution Reduction
Dispersed anatase TiO2 penetrates concrete to continuously reduce NOx and VOCs while also sealing and hardening existing surfaces.
- Catalyst Bed Abatement Train for Residual PFC Remediation
A wet scrubber and downstream catalyst bed cut residual PFC by-products and hydrocarbons after lower-temperature abatement.
- CHA Zeolite Composition for Broad-Temperature NOx Conversion
Copper CHA zeolite tuned with potassium and cesium improves NOx conversion across a broad temperature range without using separate catalysts.
- Plasma Greenhouse Gas Treatment in a Hydrogen-Rich Reaction Chamber
A hydrogen-rich, oxygen-poor plasma chamber breaks fluorine- and nitrogen-containing gases while keeping NOx below 200 ppm.
- Iron-Exchanged Nu-86 Zeolite Catalyst for NOx and N2O Conversion
An iron-exchanged high-purity Nu-86 zeolite improves NOx and N2O conversion while resisting inhibitor-driven catalyst deactivation.
- Plasma Flame Greenhouse Gas Treatment With Low-NOx Reduction
A hydrogen-rich plasma flame breaks down fluorine- and nitrogen-based greenhouse gases while keeping NOx below 200 ppm.
- Ammonia Slip Catalyst Monitoring for N2O and NH3 Emission Control
Upstream and downstream oxygen sensing reveals N2O production in an ammonia slip catalyst, enabling reductant control to limit NH3 slip and emissions.
- Ammonia Slip Catalyst Oxygen Sensing for N2O and NH3 Slip Control
Upstream and downstream oxygen data reveals N2O-producing ammonia slip catalyst conditions and supports reductant control to limit NH3 slip.
- Alkali-Doped Cobalt Spinel Catalyst for Low-Temperature N2O Decomposition
Alkali-doped non-stoichiometric cobalt spinel uses oxygen vacancies and mesoporosity to sustain high N2O conversion at lower temperatures.
- Low-Ammonia-Storage Slip Catalyst for Reduced N2O Formation
A platinum-on-siliceous support paired with SCR catalysts cuts ammonia slip while improving nitrogen yield and limiting NOx and N2O byproducts.