Gas Treatment TRIZ Cases

CO in a net-lean gas stream regenerates wet-deactivated methane oxidation catalysts at 125-450°C, restoring methane conversion.

A shared solvent regeneration section uses heat from a second plant to improve CO2 capture utility use and free more steam for export.

A dual-tank fuel system uses catalytic oxygen reduction and ullage sparging to keep oxygen low in fuel and tank space despite changing engine demand.

A ring of UV sources and resonant cavities boosts HVAC air disinfection, improving pathogen exposure while limiting power use.

An appendix stripper removes degraded amines by volatility difference, reclaiming solvent purity and lowering energy use in CO2 capture.

Blending MDEA with MAPD raises CO2 absorption rates while lowering activator use, solvent loss, and circulation demand.

A crank-driven cleaning assembly sweeps the air filter automatically to remove dust, prevent overheating, and reduce manual maintenance.

Supervisory control raises ozone and adjusts airflow only during unoccupied pathogen-killing cycles, balancing air quality, safety, and energy use.

A split outlet and internal heat use let this rotary compressed gas dryer maintain low humidity and a stable pressure dew point in a compact layout.

Thermally stable complexing agents in recirculated glycol capture mercury despite water vapor, limiting plant distribution and improving dry gas purity.

Biomass power and carbon capture cut emissions from hydrocarbon reforming while supplying steam and energy for low-carbon hydrogen production.

A Pt-Ru catalyst on multi-crystalline zirconia maintains methane oxidation activity in sulfur-containing exhaust from natural gas engines.

Rotary MOF adsorption modules enable continuous atmospheric water harvesting at lower humidity with low energy use and no compressor.

Partially submerged sparger ducts use head space to balance pressure, improve gas distribution, and scrub hydrogen sulfide more completely.

Solid waste is gasified to release hydrogen, then reacted with CO2 to make water and methane for space life support.

Ball milling porous solids under pressurized gas boosts physical adsorption, enabling higher-capacity storage and separation with lower recovery energy.

A phase-separated absorbent removes oxygen from the low-CO2 phase before heating, limiting amine degradation during long-term CO2 recovery.

Directly extracting subsurface hydrogen and purifying it with PSA, membranes, or cryogenics cuts emissions while producing low-CI hydrogen.

A closed steam loop strips nicotine from tobacco and acid scrubbing captures it, cutting evaporation energy while keeping high extraction efficiency.

Direct vacuum vaporization of source rocks removes solvent extraction, shortens GC analysis, and preserves light hydrocarbons from C3 to C10.

Alternating adsorption and heated desorption in modular reactors enables continuous CO2 capture from air with lower heating demand.

Microwave heating with a susceptor enables high-temperature effluent gas decomposition while avoiding combustion energy use and plasma complexity.

Small-pore inorganic particle coatings raise fresh filtration efficiency in gasoline particulate filters while keeping exhaust back pressure low.

Separate adsorption and desorption flow paths cut pressure drop and air contamination, enabling lower-energy, higher-purity CO2 recovery.

A two-stage heat treatment stabilizes NO oxidation while preserving CO/HC conversion and inlet exotherm generation in a diesel oxidation catalyst.

Pressure-swing absorption uses nested vessels and turbine-compressor coupling to cut direct air CO2 capture energy while staying scalable.

Rare earth particles under 10 nm on alumina resist sintering, preserving low-temperature NOx and CO adsorption under high exhaust heat.

Direct Joule heating in a conductive adsorption substrate speeds CO2 desorption from air while avoiding external heating losses.

High-pressure flue gas capture with a redesigned gas turbine combustor cuts absorber footprint and energy use while maintaining efficient power generation.

A diffuser-separated trapping tank recirculates gas to bubble through molten salts, improving contaminant capture while cutting salt use and chamber height.

An upstream Fe-FER SCR stage before vanadium improves NOx conversion in lean-burn exhaust while suppressing high-temperature N2O formation.

An inert closed-loop desorption stream with rotary concentrators condenses VOCs for safer solvent recovery and less downstream oxidation.

A rear-enriched NOx storage layer with Rh improves cold-start purification by compensating for slower heating at the catalyst rear.

Transition metal carboxylates remove H2S and mercaptans from high-water mixed gas streams while reducing corrosion and scavenger use.

A movable hopper with auger dosing, dust suction, and bridge breaking dispenses cage bedding precisely without compressed air.

Electrical resistive heating warms the sorbent body directly, cutting desorption energy use and avoiding high-temperature processing.

A pressurized first absorber and lower-pressure second stage remove ammonia efficiently in space-limited floating bodies without complex towers.

Waste-heat-driven CO2 TSA uses wet regeneration and hot N2 drying to cut power demand while maintaining high capture efficiency.

Chilled water wash using a circulating thermal fluid cuts amine emissions from treated flue gas while avoiding high energy use in hot climates.

Organic acid and tetraalkylsiloxane form a protective film on hydrated alumina, limiting dehydration and preserving mercury adsorption during storage.

Larger zeolite getter particles enable sub-400°C activation, improving low-pressure gas adsorption and insulation in evacuated glass panels.

A return-line heat exchanger uses compressor oil to cool regeneration gas, shrinking dryer layout while avoiding water supply dependence.

Metal-treated sorbents add alkaline earth oxides or salts to activated carbon to improve PFAS capture and extend breakthrough volume.

A partitioned heating and static region promotes acidic-compound desorption while selectively discharging regenerated treatment liquid without remixing.

Halogen-free metal sulfides on alkali earth hydroxide particles capture mercury in flue gas while reducing corrosion and preserving fly ash quality.

Cyclopropenimines capture and activate CO2 under ambient conditions, enabling reusable low-energy conversion into polycarbonates and polyurethanes.