Nitrous Oxide Capture TRIZ Cases

A palladium-loaded STI molecular sieve catalyst stores nitrogen oxides at low temperatures and releases them via thermal desorption.

Multi-stage activation creates ultra-micropores under 1 nm in activated carbon to boost specific surface area.

A composite oxygen storage material combines cerium-based and perovskite oxides to enhance catalytic performance.

Metal-loaded non-zeolitic molecular sieves with CHA structure convert nitrogen oxides in exhaust gas streams.

Manganese oxide washcoats stabilize nitrogen dioxide generation for downstream SCR calibration, resolving lifetime activity drift.

Selective adsorption removes nitrous oxide from mixed vent gases, eliminating flammability hazards while preserving valuable reactants for reuse.

A recessed mounting assembly positions an injector within a downstream wall aperture to shield the tip from exhaust heat.

An integrated exhaust aftertreatment device combines oxidation catalysis, selective reduction, and ammonia slip treatment within a single compact unit.

A two-stage catalyst system reduces NOx and nitrous oxide emissions in process off-gas using sequential selective catalytic reduction and decomposition.

A dual-coating catalyst uses 12-membered ring zeolites to store ammonia and 8-membered ring zeolites to convert nitrogen oxides.

A mercury removal system uses a pH control agent to regulate the oxidation-reduction state in wet desulfurization.

A base metal catalyst composition uses reducible ceria to promote steam reforming and water gas shift reactions.

A catalysed filter system places a catalyst substrate within the hollow section of an elongate porous element.

A binary catalyst hydrolyzes urea to generate ammonia for immediate use in diesel exhaust aftertreatment systems.

Distinct DOC and CSF zones manage particulate filtration while maintaining a specific NO to NO2 ratio between 0.6 and 1.4 for effective SCR performance.

Matching aqueous urea feed rate to ammonia demand stabilizes water concentration and prevents generation fluctuations.

A radial U-flow adsorption unit achieves uniform gas distribution through a single-end inlet and outlet configuration.

Controlled steam activation and metal oxide deposition form uniform ultra-micropores, resolving the contradiction between pore quantity and size distribution.

A logic-driven method monitors reductant quality using existing emission control sensors to detect fluid contamination.

Interrupting microbial nitrate reduction captures dinitrogen monoxide intermediates, avoiding energy-intensive ammonia oxidation.

Binary Fe2O3-MnO2 catalyst reduces NOx using hydrogen gas via ammonia mediation, eliminating external urea storage and preventing oxygen interference.

Platinum group metals embedded in small pore molecular sieves enable selective catalytic reduction of exhaust gases.

Electrically heated platinum and zeolite catalyst system converts ammonia to nitrogen.

Manganese-doped diesel oxidation catalyst stabilizes the NO2 to NOx ratio, resolving low-temperature SCR inefficiency.

Dual-species lanthanum alumina resolves thermal stability versus low-temperature NOx adsorption trade-offs in catalyst design.

Cerium oxide and cobalt layers on magnesium oxide support decompose nitrous oxide gas.

Polymer-coated capsules containing stripping solvents isolate sorbents to reduce energy consumption and solvent degradation during carbon capture.

A filter unit and buffer storage device manage excess gas from medical apparatuses.

Solid-state ion exchange under negative pressure creates metal-doped zeolites that maintain catalytic activity at low temperatures without lattice damage.

Ozone injection converts nitrogen oxides to soluble nitrates, enabling higher throughput without violating emission permits.

A gas-flow control tool generates linear velocity distributions to guide slurry into honeycomb substrate holes during catalyst manufacturing.

Staged ammonia injection across three catalytic beds reduces ammonia slip while achieving high accuracy in NOx and N2O removal.

Chemically enhanced seawater scrubbing with chlorine dioxide converts harmful SO2 and NOx emissions into acid solutions, meeting IMO standards.

Iron zeolite deN2O stage shifts NOx equilibrium toward NO2, enabling fast SCR reduction at lower temperatures without excessive catalyst amounts.

A segmented catalytic wall-flow monolith uses distinct SCR and ammonia oxidation zones to manage exhaust gas treatment.

Optimized copper CHA zeolite catalysts maintain high activity and hydrothermal stability across broad temperature ranges, reducing required catalyst loading.

A calibration unit adapts assignment rules between lambda probe signals and cylinder-specific lambda values using an observer model.

Solid-state storage eliminates liquid water splashing and corrosion while increasing gas capacity.

Lateral interocclusal passageways deliver respiratory gases near the oropharynx while posterior sampling ports prevent exhaled gas dilution.

Cyclic regeneration of adsorbent materials reduces CO2 and VOC concentrations without increasing energy loss from outdoor ventilation.

Blending large pore Fe-BEA with small pore Cu-SSZ-13 manages NH3 storage and utilization, resolving transient NOx conversion bottlenecks.

PVDF pyrolyzate adsorbent resolves chemical instability with fluorine gases while maintaining high adsorption capacity.

A composite filter combines adsorption and decomposition materials to remove contaminants from air.

Additional catalyst reactor lowers nitrogen oxide emissions during plant startup and shutdown phases without increasing steady-state complexity.

Segmented adsorbent beds with low-temperature regeneration minimize energy consumption while preventing nitrous oxide breakthrough in cryogenic air separation.

Segmenting the catalyst into a noble metal lower layer and a composite oxide upper layer reduces noble metal usage while suppressing N2O production.

A two-stage catalytic system uses alumina loaded with silver and zirconia loaded with metals to reduce nitrogen oxides using propylene as a reductant.

Real-time SCR catalyst monitoring dynamically adjusts EGR rates and ammonia storage to resolve the fuel economy versus NOx emission trade-off.