Solidification TRIZ Cases

A single-housing cryogenic assembly cuts piping, energy use, and emissions while recovering C3 hydrocarbons and rejecting C2 components.

Integrated heat and mass transfer improves demethanizer reflux to recover C3+ hydrocarbons with lower energy use and fewer leak points.

Controlled liquid N2 injection into a pre-cooled He-N2 stream stabilizes low-flow two-phase cold gas delivery below 120 K.

A supercritical CO2 working fluid enables efficient power generation while capturing and delivering CO2 at pipeline pressure for sequestration.

Sequential cooling condenses power plant exhaust impurities by boiling point, cutting cleanup complexity while producing cleaner syngas.

A single-housing heat and mass transfer assembly boosts demethanizer reflux to recover C2/C3 hydrocarbons with lower energy use.

An integrated heat-exchange and mass-transfer assembly cuts piping and energy use while improving C2/C3 recovery from hydrocarbon gas.

Selective blocking of heat exchanger flow groups maintains pressure drop at low mass flow, stabilizing natural gas liquefaction during turn-down.

A compact integrated assembly cuts piping, emissions, and energy use while recovering C2/C3 hydrocarbons from gas streams.

By splitting and recombining heat-exchanger streams, this case controls turboexpander inlet temperature to vary liquid output without exhaust liquefaction.

Early liquid removal at multiple axial outlets cuts hold-up and pressure loss while improving natural gas liquid fractionation.

Cyclic 2N extraction chambers balance icing and defrosting stages to stabilize gas and refrigerant flow while reducing energy losses.

A single-housing gas processing assembly cuts piping, energy use, and emissions while recovering ethane, propane, and heavier hydrocarbons.

Staggered conduit depths in an offshore water intake riser reduce simultaneous clogging and flow interference while maintaining water supply.

Staged cooling keeps CO2-rich flue gas above the dew point for mercury adsorption, then below it for drying without reheating.

A noncollinear cryostat and direct-metal-bonded cold bridge improve Dewar thermal isolation, shielding, and cool-down time.

Stabilizing liquid-line and suction-vapor temperatures reduces hunting, protects compressor superheat, and improves refrigeration efficiency.

An integrated turbo expander and compander removes nitrogen from methane and produces LNG without external refrigeration for small gas streams.

A CO2-poor side stream cools the nitrogen-rich overhead in a dividing-wall column, improving nitrogen removal while avoiding CO2 freezing.

Staged gas separation first removes hydrogen, then isolates methane and carbon monoxide to recover pipeline-quality methane with recyclable syngas.

Upstream quench condensation removes steam and organics from dehydrogenation offgas, cutting compressor duty and limiting styrene polymerization.

Hot separation, partial condensation, and re-contacting improve hydrogen, LPG, and reformate recovery from reforming effluent.

Adsorption removes CO2 before cryogenic distillation strips oxygen and nitrogen, delivering methane purity above 98% with low regeneration load.

Waste heat from the mixed refrigerant compressor drives auxiliary refrigeration and turbine inlet air cooling to raise LNG production capacity.

Independent speed control of liquid and two-phase LNG expanders increases subcooled LNG output while cutting vapor and boil-off losses.

Compression, condensation, and regenerative adsorption recover VOCs from soil off-gas while reducing scrubber replacement and safety risks.

Variable oxygen production, storage, and CO2 compression let an oxy-combustion plant match capture load to changing energy supply and cost.

A closed-cycle helium plant matches liquefaction to instrument demand and Dewar boil-off to cut loss, storage burden, and power waste.

Exhaust helium is circulated around the MRI coldhead sleeve to limit heat transfer, reduce helium loss, and lower maintenance costs.

Waste heat drives a heat transfer fluid loop to regasify LNG, recover LPG, and generate power with lower energy loss and cost.

Methane enrichment before the cold-box scrubber improves hydrogen and CO separation while lowering CO2 solidification risk in cryogenic exchangers.

A uniform-diameter vessel combines rectifying and stripping columns to cut fractionation energy use, simplify control, and lower propane recycle.

Liquid nitrogen from an air separation unit is pumped, heated, and expanded in a turbine to avoid gas recompression and cut water use.

A CO2 circulating Brayton cycle boosts power efficiency while delivering nearly pure CO2 at pipeline pressure for sequestration.

A single CO pressure cycle supplies cooling and reboiling in cryogenic CO/CH4 separation, improving CO purity while preventing methane freezing.

Joule-Thomson expansion cools associated natural gas to condense heavier hydrocarbons, cutting flaring, plant size, and processing load.

Dual moveable inlet guide vanes and feedback control adjust expander and compressor inlet pressure to improve off-design turboexpander efficiency.

A buffer vessel and anti-surge recycle line stabilize multi-stream gas compression when CO2-rich flow or pressure suddenly drops.

Counter-rotating first-stage impellers raise volumetric flow in a multi-stage compressor while improving compression efficiency and power use.

Pre-cooling and staged water removal narrow stream temperature gaps, preventing heat exchanger pinching and thermal stress during methane treatment.

Magnetocaloric pre-cooling helps condense CO2 at lower pressure, cutting compression work and improving condensation efficiency.

Gravity-driven reflux and expanded liquid cooling simplify cracked gas demethanization while maintaining high ethylene recovery and purity.

Dedicated exchangers create dual absorber reflux streams, enabling ethane recovery retrofits with lower energy use and retained propane recovery.

Cold CO2 separation streams cool the membrane feed, cutting hydrocarbon losses and lowering the cost of high-pressure CO2 recovery.

High-pressure absorption, condensation, and distillation recover pure fermentation CO2 with less cooling energy and water use.

Multiple tail gas outlets and expansion cooling enable small-scale natural gas liquefaction with impurity separation and flexible pressure operation.

Expanded liquid CO2 is separated in a mass transfer column to remove O2 and CO, enabling over 97% recovery and liquid transport.

A compact cryogenic assembly merges separation and heat transfer stages to recover C3+ at lower energy with fewer leak-prone connections.

A switchable VPSA/PSA inerting system uses one gas source to set and maintain reduced oxygen levels with lower cost and space demand.