Solidification TRIZ Cases

Fine cartridge filtration cuts combustion-fume particles below 1 mg/m³ before compression, reducing fouling and improving CO₂ recovery purity.

Branched air flow with booster bypass and recycle prevents surge, widening liquid production turndown and cutting power use.

Cooling cryogen gas to coalesce impurities, then switching between dual filters, maintains high purity with less liquefier downtime.

Real-time valve control balances helium flow, pressure, and temperature across parallel cryogenic refrigerators to stabilize cooling capacity.

High-pressure compression and isentropic expansion pre-cool natural gas before liquefaction, boosting LNG capacity with less equipment.

An unheated purge step before heated desorption cuts TSA regeneration energy while preserving impurity removal and lowering infrastructure demand.

Phase separation, desuperheating, and reliquefaction stabilize refrigerant composition in LNG liquefaction while lowering energy use.

A central cooling tower between vertical purifier bottles cuts footprint width and fits narrow cryogenic air distillation buildings.

By running the LP column at oxygen delivery pressure with stacked reboilers, this case removes auxiliary vaporizers and cuts cold box complexity.

A trapezoidal head and vertical web give packing column supports high rigidity with lower height and less blockage of fluid exit surfaces.

Two-stage condensation in a stripper removes CO, H2, and CH4 from ethylene while limiting ethylene loss and avoiding caustic wash units.

Two-mode cryogen flow switching balances cooling capacity and cryogen use, helping transport refrigeration avoid fuel waste and shutdowns.

A nitrogen-rich stream fed into the distillation column prevents oxygen buildup and keeps cryogenic methane purification outside the flammability zone.

Compressed flue gas and liquid CO2 form a self-refrigerated condensation loop that cuts cost, resists fouling, and captures over 90% CO2.

An upstream catalytic bed converts NO to higher NOx before cryogenic separation, improving removal and reducing acid corrosion risk.

Multiple drains placed across baffles equalize shell-side refrigerant levels, improving heat exchange and preventing gas ingestion.

Two-stage cryogenic condensation recovers reusable SF6 from contaminated gas quickly, avoiding complex pumps and limiting contamination.

Expanded non-permeate cools AGR solvent through heat exchange, cutting refrigeration demand, power loss, and capital cost in syngas treatment.

Cascade heat exchangers recover cold from liquefied methane to drive refrigerant cooling, flexible CO2 frosting, and lower energy use.

An auxiliary column rectifies impure oxygen to cut nitrogen vapor loading, raising cryogenic air separation capacity without adding another plant.

Expanded ethylene provides cryogenic cooling to condense monomer from polyethylene vent gas, cutting flaring and enabling inert gas reuse.

Compressing captured CO2 above critical pressure and cooling above critical temperature avoids liquefaction, flash gas, and bulky cooling.

A multi-component refrigerant loop enables small-scale gas liquefaction with conventional heat exchangers and oil-lubricated compressors at lower cost.

Swirl in the outlet channel drives condensed droplets outward to coalesce into larger drops, improving gas-liquid separation after throttling.

Optional purge counts during cryopump regeneration reveal deterioration early, helping schedule maintenance before vacuum failures and excess downtime.

A PSA-cryogenic syngas process stabilizes variable feed with mixing and H2 recycle, improving hydrogen and CO recovery with lower energy use.

Dynamic column and condenser models estimate nitrogen buildup and adjust air, oxygen, and crude argon flows to raise argon yield.

Recovered LNG cryogenic heat condenses deethanizer overhead gas through an intermediate medium, cutting fuel use and thermal shock.

A main-column liquid reflux to the preseparation column strips higher hydrocarbons, preventing solids and condenser blockage during cryogenic nitrogen removal.

Dual isolated probes and RC oscillators separate gas, hydrocarbons, and water in 3-20 cm3 volumes at pressures up to 400 bar.

Alternating adsorption and heated regeneration cut compressed air use and cost while maintaining effective moisture removal.

A closed-cycle quench cools partial oxidation gas for ash removal and efficient power generation with easier CO2 capture from solid fuels.

Separate trains process mixed-pressure multiphase hydrocarbon streams before gas recombination, improving flow assurance and reducing compression energy.

Redirecting liquid nitrogen through the distillation column boosts reflux, preserves refrigeration, and cuts peak-demand nitrogen costs.

Cryogenic phase separation recovers hydrogen and nitrogen from ammonia purge gas at loop pressure, cutting recompression load and inert buildup.

A single cryogenic liquid enclosure combines storage and condensation to simplify heat balance, liquid level control, and operation during turbine outages.

Cryogenic liquid feeds and staged cold compression cut air separation power use while producing pressurized gaseous oxygen.

Automatic bias control shifts a second expander through unsafe speed ranges faster by tracking the first expander and reducing manual risk.

Cryogenic air separation streams cool AGR solvent to boost acid gas absorption while cutting dedicated cooling cost and energy loss.

Spring-damped cryocooler mounting, opposed bellows, and flexible thermal links isolate sample vibration while holding stable low temperatures.

Automated bagging, conveyor distribution, and preset stacking reduce manual ice handling while keeping storage organized in temperature-controlled units.

A secondary-refrigerant BOG reliquefier condenses tank vapor near LNG storage, cutting piping complexity, cooling load, and pump use.

Captured CO2 from syngas is expanded for cooling, replacing costly IGCC refrigeration hardware while maintaining solvent cooling.

Integrated membrane pre-concentration and cryogenic phase separation recover over 90% CO2 from flue gas with lower energy demand.

A single bull gear coordinates CO2 gas compression, dense-phase conversion, and pumping to cut footprint, power use, and matching complexity.

Condensing reactive precursor vapor into liquid before it reaches the vacuum pump cuts oil contamination, maintenance shutdowns, and waste.

A layered cold box uses low-temperature alloys, venting, and fire-retardant protection to contain cryogenic leaks and resist external fires.

Multiple electric motors on a common compressor shaft use adjustable speed and torque control to improve starting, load sharing, and efficiency.

Standby compressors are reassigned between blast furnaces and air separation units to sustain pig iron production without adding new air equipment.