Solidification TRIZ Cases

An annular belt around the tower collects tray liquid and feeds multiple downcomers to keep pressure constant and flow balanced.

Elongated holes in a glass heat exchanger tune porosity and surface area to improve cryogenic gas pre-cooling without excessive pressure drop.

Cryogenic cooling and high-pressure phase separation recover hydrogen and nitrogen from ammonia purge gas without recompression.

A mechanically uncoupled free power turbine enables compact 65MW mechanical drive with faster maintenance and no compressor-circuit venting.

A two-stage LNG separation uses a distillation column and flash drum to cut nitrogen while avoiding extra heat pumps and compressors.

Selective membrane and stripping separation remove NO2 from CO2 streams, cutting energy use, equipment size, and NOx in the product.

A Rankine cycle transfers LNG cold to nitrogen through staged compression and heat exchange, cutting liquefaction energy use.

By separating and reintroducing light and heavy refrigerant components, LNG plants can optimize cooling in real time without shutdowns.

A single cryogenic vessel stores cooling capacity and houses the condenser, simplifying refrigeration balance and liquid level control.

A two-layer alumina and 13X zeolite bed removes water, CO2, and N2O from feed air while lowering regeneration energy in cryogenic separation.

Compressed ambient air is cryogenically cooled for aircraft cabins, avoiding engine bleed air, turbochargers, and added fuel use.

Detachable connectors let users replace cryopump valves and the Pirani gauge quickly, cutting repair downtime and maintenance cost.

Multiple sieve beds use purified methane for cooling and higher-CO2 gas for regeneration, cutting energy use while maintaining LNG feed purity.

Cold first-stage compression moves heat exchange downstream to avoid air ingestion, maintain pressure, and cut LNG boil-off reliquefaction power.

An integrated cryogenic rectification scheme recovers argon, hydrogen, and nitrogen from ammonia plant gas with less process complexity and cost.

A single mixed-refrigerant loop splits into two cooling streams to simplify LNG liquefaction while preserving high process efficiency.

Multiple recirculation streams are turbine-expanded to add cold energy, improving C2+ separation from warm, heavy natural gas with lower cooling demand.

Partial condensation combined with hydrogen-selective membranes raises hydrocarbon dewpoint and recovers olefins without cryogenic cooling.

By running the LP column at delivery pressure and using stacked reboilers, this case cuts auxiliary vaporizer cost and cold-box size.

A closed-loop refrigerant circuit varies inlet pressure to modulate liquid output in retrofitted air separation plants without compressor cycling.

A high-pressure CO2 working fluid enables efficient combustion, turbine expansion, and near-pure CO2 recovery at pipeline pressure.

Using one methane expander at intermediate pressure, this LNG liquefaction case cuts system complexity and cost while maintaining refrigeration duty.

Dedicated exchanger lines let a double-column air separation unit meet transient gas demand without oversized liquid storage or normal-mode losses.

A polygonal single-inlet duct keeps floating LNG air coolers upwind to limit hot-air recirculation, fouling, and energy demand.

Temperature and flow feedback adjust an expanded cooling stream to stabilize mixed-refrigerant precooling and cut LNG power use.

A mixed refrigerant loop and distillation column liquefy pipeline ethane while stripping methane using feed-gas reboiling.

Multiple mass transfer decks with central and peripheral downcomers increase tray capacity while maintaining uniform vapor-liquid contact.

An absorber demethanizer and methane-ethane mixed refrigerant recover ethylene from MTO effluent with lower energy use and less cryogenic cost.

Subambient drying and partial condensation recover >99.5% CO2 and a hydrogen-rich stream from oxygen-fed Claus off-gas with lower energy use.

A three-column cryogenic distillation layout uses cold-compressed nitrogen and staged condensers to cut energy use and improve oxygen purity.

A split low-pressure column and ground-level subcooler improve liquid loading, two-phase air supply, and cold box volume use.

A parallel high-capacity expansion valve speeds cryogenic exchange line cool-down and reduces thermal shock during start-up.

Pipeline compressor stations use pressure let-down cooling and gas expansion to produce LNG locally, cutting plant and transport costs.

A sealed cold box condenses argon vapor with pressurized liquid nitrogen and returns liquid argon to storage by gravity.

Dual upper and lower heat exchangers use inert cryogenic gas to stabilize fuel tank pressure and temperature and reduce vaporization.

Pressurized liquid nitrogen condenses argon vapor in a sealed cold box, enabling recovery at loading sites without distillation columns.

Condensing one LPG cargo vapor and using it to liquefy a second cargo stream cuts reliquefaction unit count and running time on LPG carriers.

Branching vapor risers and controlled electric heating keep a cryogenic melt bath uniform, improving contaminant removal in distillation towers.

Using isobaric condensation and a lower-boiling refrigerant, this case cuts natural gas liquefaction energy use while simplifying equipment.

Turbine expansion recovers cold energy for high-pressure natural gas denitrogenation, cutting distillation energy use and aiding helium recovery.

A reconfigurable NGL column and heat exchanger switch between ethane rejection and recovery while handling variable gas composition and throughput.

Sequential pressure-controlled filling and cascading improve BF3/H2 mixture accuracy despite compressibility and temperature variation.

Cryogenic cooling and air separation capture high-purity CO2 from oxyfuel flue gas while recovering low-temperature heat as electricity.

Dual expansion and top-condenser liquefaction raise liquid nitrogen output to 6-10 mol % while maintaining pressurized nitrogen recovery.

Switchable cold compressor and turbine coupling lets an air separation plant vary liquid output while keeping energy use efficient across modes.

A high-pressure rectifying and low-pressure stripping layout improves side-cutting, feed staging, and heat recovery while reducing condenser and reboiler demand.

A header-integrated phase separator keeps steam from entraining liquid in dephlegmator return passages, improving heat and mass transfer.

A call manager pre-establishes LTE bearers and IMS registration to keep single-radio CS-to-LTE handovers from dropping calls.

Successive expansion, subcooling, and vapor recycle enable liquid CO2 delivery at required pressure with lower liquefaction cost.

Maintains biomaterial viability with multicore cryogenic cooling, RFID tracking, and real-time temperature logging during transport and use.