Solidification TRIZ Cases

A recycled expanded acid gas slipstream provides self-refrigeration to condense water, cutting glycol loss, hydrate risk, and corrosion.

Cooling and pressure adjustment make ethane-rich streams LNG-compatible for storage and transport to higher-value markets.

A cryogenic liquid tank buffers column feed during adsorbent bottle pressurization, cutting compressor sizing, energy use, and flow instability.

Filtering flue gas below 1 mg/m3 before compression prevents fouling, protects centrifugal compressors, and improves CO2 stream cleanup.

Cryogenic air separation generates portable LOX on demand, reducing refill dependence while reusing cold byproducts for heat exchange.

Parallel heating of moisture and CO2 adsorbent layers cuts purge gas demand, protects adsorbents, and improves cryogenic air separation yield.

External fins, recesses, and twisted tube surfaces raise condenser heat transfer and cut exchanger area in low-pressure distillation columns.

Separate adsorbent beds remove C8+ and C5-C7 hydrocarbons before LNG liquefaction, cutting freeze risk, bed volume, and regeneration load.

A stepped-diameter distillation column with an intermediate condenser speeds He-3 enrichment from natural helium at cryogenic conditions.

A bypass line vents evaporated gas from the liquid-return path, enabling pump-free cascade distillation with lower hold-up and faster startup.

A stepped-diameter cryogenic distillation column with an intermediate condenser speeds He-3 enrichment from natural helium at commercial scale.

Staged pressurization, cooling, and optional adsorption condense contaminants and CO2 from biogas to produce methane-rich gas near natural gas quality.

Compressed overhead vapor is partially condensed and reused for refrigeration, removing bulk CO2 while retaining more than 99.8% methane.

Liquefied nitrogen replaces water injection in split-cycle compression, cutting recycling complexity while boosting power and energy storage.

Using swirling flow to enlarge liquid droplets, this case improves gas-liquid separation and reduces separator size after JT cooling.

A closed-loop refrigerant cycle with staged compression, expansion, and indirect heat exchange improves natural gas liquefaction efficiency and flexibility.

A two-column cryogenic nitrogen process uses liquid recycle, cold compression, and power recovery to raise recovery while avoiding a nitrogen compressor.

Compressed boil-off gas is blended with partially vaporized LNG to control methane number and temperature, preventing ship engine knocking.

Placing the TSA unit between compression stages at 400-600 psia cuts adsorbent and vessel size while maintaining air purification.

Selective adsorption removes NO2, water, SOx, and CO from oxyfuel flue gas while recycling regeneration gas to deliver high-purity CO2.

Hybrid membrane and cryogenic separation recovers over 90% CO2 from flue gas while cutting energy use through integrated cooling.

Countercurrent heat exchange and gas expansion recover NGLs and electricity at pressure reduction stations while avoiding fuel-fired preheating.

A re-condenser and gas tank recirculate boil-off cryogen to keep superconducting MRI magnets cold with minimal venting and refilling.

A high-pressure scrub column uses expanded C3+ depleted vapor as reflux to vary LNG heating value while avoiding external refrigeration.

Combining polymeric membrane separation with cryogenic phase separation cuts CO2 capture energy use while enabling over 90% recovery from flue gas.

Supplemental cooling before refrigerant expansion cuts LNG liquefaction power demand when ambient air or water cooling is too warm.

Fractionation with mixed-refrigerant cooling and reflux recycling removes nitrogen from natural gas while preserving NGL recovery with less energy.

Temperature changes in a heat pump dryer's condenser airflow reveal refrigerant leaks without costly pressure sensors, improving reliability and energy use.

A single chamber condenses ozone while removing oxygen, then vaporizes the condensate for stable high-concentration gas supply with lower complexity.

A dedicated bypass path lets second-stage refrigerant gas avoid the first-stage heat exchanger, cutting pressure loss while preserving cooling capability.

A distribution vessel separates vapour and liquid before the next heat exchanger, improving phase uniformity and reducing cooling energy use.

Heat-shielding on pulse-tube housing and flange walls cuts heat loss and helps keep refrigerating capacity stable under changing conditions.

Splitting the hydrocarbon feed lets LNG plants recover more work and flash-gas cold energy while lowering liquefaction power demand.

A dehydrated and expanded gas stream yields NGLs while supplying clean turbine fuel, cutting pollution and simplifying gas processing.

Pressure reduction cools compressed air to condense moisture, while a porous separator coalesces droplets and drains water before corrosion can spread.

Using free pressure to create swirling flow, this case enlarges droplets before separation, improving gas-liquid separation with smaller equipment.

Barrier gas sealing at compressor bearings redirects helium leaks to purification and recycle loops, cutting loss and oil contamination.

High-pressure cooling and turboexpansion separate syngas into concentrated CO2 and hydrogen streams while cutting net power demand.

Splitting boil-off gas between a heat exchanger and bypass stream stabilizes compressor inlet temperature despite changing tank conditions.

Variable expansion of high-pressure carbon monoxide matches denitrification reboiling demand while cutting compression energy in cryogenic separation.

Pressure reduction at gas lines is turned into useful cold energy for single-pass natural gas liquefaction and flexible local storage.

Using liquid air transfer between high- and low-pressure columns, this case cuts raw air demand and power use while maintaining nitrogen yield.

Multi-column distillation and condensation recover silane from impurity streams, raising purity while reducing loss in waste fractions.

Dynamic expansion of ambient-cooled compressed refrigerant cuts exchanger condensing duty and frees more cooling capacity for hydrocarbon streams.

Expanded intermediate liquid condenses the demethanizer head stream, cutting cryogenic pump use, energy demand, and equipment complexity.

Dehydration, cooling, and fractionation liquefy CO2 and H2S for injection well disposal while recovering hydrocarbons and helium.