Solidification TRIZ Cases

Pressure- and flow-based valve control keeps hydrocarbon compressors within safe limits to prevent surge, choking, and damage.

Compressed overhead vapor heats the reboiler and superheats compressor inlet flow, cutting steam use and compression demand in C5/C6 distillation.

Heavy-ends and recovery distillation cut silane loss while maintaining high purity by reclaiming silane from impurity streams.

Recycle valve and feed-forward control shift compressor-expander speed away from critical zones while reducing surge risk and process upset.

Mixing nitrogen or air with buffered oxygen stabilizes primary-pipe oxygen concentration and prevents burner backfire during oxyfuel transitions.

Dynamic LNG decompression and pre-fractionation separate nitrogen and helium while reusing cold energy to cut refrigeration demand.

A two-stage distillation scheme recovers silane from heavy-ends and light-ends streams, improving purity while cutting silane loss.

An azeotropic 240fa-HF mixture provides a stable boiling intermediate for producing HFC-245fa and HCFO-1233zd with practical separation by distillation.

An HCFC-241fa and HF azeotrope enables distillable reactor feeds and solvent use while supporting lower-impact HFC-245fa and HCFO-1233zd production.

Separating C2+ hydrocarbons before liquefaction and recycling end gas cuts recompression energy, improves LNG purity, and helps prevent plugging.

Integrated hydrogen- and CO2-selective membranes recover hydrogen from syngas while capturing carbon dioxide with lower cost and emissions.

Isothermal CO2 compression above the critical point, followed by cooling and pumping, cuts energy use and avoids complex low-temperature refrigeration.

A single chamber condenses ozone and selectively removes oxygen to deliver continuous high-concentration gas with lower complexity and impurity buildup.

Split-stream LNG conditioning uses fractionation, expansion, and reflux blending to meet pipeline heating values while recovering LPG and NGL.

A TSA-PSA sequence removes heavy hydrocarbons from recycle gas, lowers cricondentherm, and reuses the PSA offgas for regeneration fuel.

Seed ice crystals are injected into aircraft exhaust to remove water vapor quickly and disperse contrails without heavy, power-hungry suppression equipment.

Indirect heat exchange and reboiled vapor recycle widen distillation column operation and keep LNG within heavies specifications.

Separating NGLs from a CO2 recycle stream cuts recovery energy and supports reinjection economics through recovery-rate optimization.

Captured CO2 from synthesis gas acid gas removal is recycled on-site for EOR, cutting venting and avoiding long supercritical CO2 pipelines.

On-site syngas processing captures and recycles CO2 for reservoir injection, reducing pipeline transport and atmospheric release.

Different nozzle geometries and switchable generator windings let a cryogenic expander recover expansion energy efficiently across changing loads.

A catalytic bed converts NO upstream of cryogenic separation, cutting acid formation and corrosion while enabling 95%+ NOx abatement.

A two-step CO2 recovery process condenses bulk carbon dioxide first, then absorbs the residual gas to raise yield and cut energy use.

Preheating, compression, and adsorption remove water and other impurities from oxycombustion CO2 streams for storage-ready transport.

Adsorption pumps circulate helium inside a pulse tube dilution refrigerator, removing external gas handling to cut leaks, maintenance, and system size.

Moving terminal and transit vessels in the same direction enables offshore LNG or CO2 transfer with less fixed infrastructure and fewer interruptions.

Radial downcomers and arcuate contact zones reclaim vapor-flow area in divided wall columns, improving tray space use and mass transfer.

Integrated LNG heating and gas-stream cooling cuts utility demand while maintaining high C3 and heavier hydrocarbon recovery in fractionation.

Expanded process streams provide internal cooling and column stripping, cutting external refrigeration needs while improving propane recovery.

Mixing LNG into rich natural gas cools it to a selected dew point, condensing target NGLs without costly cryogenic plants.

A high-pressure methane refrigerant stream is cooled into reflux for LNG heavies removal, avoiding cryogenic pumps in retrofit columns.

Adjusts oxygen purity to include nitrogen diluent, cutting ASU energy use and complexity in IGCC gasification plants.

An open-loop mixed refrigerant creates reflux in one distillation column to recover propane and ethane without gas expansion.

A water-first adsorption step removes moisture from CO2 streams containing NOx and SOx, preventing low-temperature blocking and reducing unit size.

Partial condensation and gas-liquid contact remove trace oxygen from N2O streams under milder pressure and temperature conditions with low N2O loss.

Alternate reflux streams and residue gas recycle enable flexible ethane recovery while maintaining high propane recovery without external refrigeration.

A C2-rectifier ahead of the splitter raises ethylene capacity while preserving high-purity ethylene and ethane separation.

Cooling and partial condensation recover purified liquid CO2 at high pressure, cutting recompression energy and capture cost.

A side stripper removes light condensables before compression, cutting stabilizer vapor load while improving NGL recovery and gasoline stability.

Nitrogen or air is mixed with buffered oxygen before the burner to control oxygen concentration and prevent backfire in oxyfuel coal boilers.

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

A partitioned inlet chamber feeds liquid through bottom tube openings only, cutting U-tube vaporizer start-up time and removing buffer vessels.

Mechanical subcooling boosts transcritical R-744 refrigeration efficiency while enabling heat reclaim and floating head pressure operation.

A single heat exchanger cools and recirculates gas to condense or freeze contaminants, cutting complexity and technical expenditure.

High-pressure air routing and booster bypass keep cryogenic distillation stable when a cold booster cannot provide enough oxygen vaporization pressure.

Rounded lateral bars and matching wave cutouts eliminate free spaces, improving liquid wetting and reducing deposits in air distillation.

An integrated cryogenic assembly combines heat exchange and mass transfer to cut piping, lower energy use, and improve C2/C3 recovery.

A supplemental reflux and side draw in the demethanizer improve C2 recovery while limiting CO2 icing and preserving C3+ recovery.

Fractionation and staged separation concentrate nitrogen into lighter streams, cutting energy use while preserving NGL recovery and pipeline gas quality.