Membranes TRIZ Cases

Adjusting pressure and linear velocity parameters during reverse osmosis reduces impurities while preventing foaming and odor generation.

Split ring seals with radial gaps deform for easy insertion into cylindrical housings while maintaining tight fits under pressure.

A shaft type submerged hollow fiber membrane module uses a central aerating shaft to distribute water uniformly through the filtration bundle.

Electrodialysis desalination and simulated moving bed chromatography resolve the contradiction between high yield and low solvent consumption.

A reverse osmosis barrel integrates a central feed tank and end-mounted water tanks to create a compact desalination structure.

An asymmetric pore structure in a porous membrane resolves the trade-off between high water permeability and durability against long-term compressive creep.

Coatings on atomically thin membranes seal defective channels, improving selectivity without reducing water flux.

Power recovery unit transfers pressure from concentrate to reduce pump power costs while maintaining membrane clarification performance.

A composite porous membrane uses a uniaxially stretched nanofiber-like non-polyolefin polymer layer to enhance surface polarity and electrolyte wettability.

Borate additives stabilize quaternary ammonium carriers against oxidation, enabling gas separation at temperatures above 100°C.

Porous non-woven fabric substrate reduces internal concentration polarization while maintaining high salt rejection and water flux.

A staggered membrane filter cartridge uses a common inlet and outlet manifold to integrate multiple filtration units into a single compact assembly.

A porous filter membrane impregnated with a hydrophobic lipid solution creates a stable artificial barrier for permeability screening.

Integrally asymmetric hollow-fibre membrane removes middle molecules while retaining albumin without pore stabilizers.

Vacuum heat treatment couples PIM chains to boost CO2 and H2S removal efficiency while overcoming the permeability-selectivity trade-off.

Hydrophobic membranes separate methylene chloride vapor from wastewater, enabling high-purity solvent recovery while reducing energy consumption.

A water treatment system uses inert gas recirculation to create a safe environment during crossflow membrane filtration.

Periodic flow reversal in the recirculation loop prevents filter fouling and maintains cell viability during extended high-density eukaryotic cell cultivation.

Master batch mixing disperses silica nanoparticles in polymer resin, preventing aggregation and maintaining membrane strength.

A dialysis cell uses a fixed support structure to maintain the membrane shape and prevent container contact during testing.

Precise control of outer diameter and wall thickness enables capillary dialyzers to withstand thirty disinfection cycles without fiber rupture.

A water treatment apparatus uses a sterilizing water generator to produce and apply sterilizing water for sanitation.

Nested wastewater and pure water pipes in the central pipe simplify the structure, reduce component count, and lower manufacturing precision requirements.

A segmented filter member uses parallel flow paths to delay clogging in reverse osmosis systems.

A flexible membrane recirculator transfers energy between fluid chambers using elastic pressure equalization.

Polycrystalline TiNx membrane with 10 nm crystallites enables mixed hydride ion-electron conduction, overcoming hydrogen embrittlement limits.

Upstream chemical precipitation removes calcium and phosphate salts from whey permeate, preventing bacterial growth inhibition during fermentation.

An intermediate chamber mixes blood between two fiber bundles, preventing clotting while maintaining high midsize molecule clearance rates.

A streamlined redundant filtration assembly uses aseptic multi-purpose ports to consolidate primary and barrier filters into a single integrated unit.

Composite forward osmosis membrane with optimized separation active layer reduces salt reverse diffusion while maintaining high water permeability.

Applying non-normal force creates a smeared surface layer that improves particle retention without reducing liquid permeability.

Monolayer graphene with defects uses a deposition layer to form controlled nanopores for selective permeation.

Coagulating anionic fibrils before vacuum filtration reduces water retention, allowing heat to dry the membrane sheet faster.

Kosmotropic polymer coating creates an orderly water layer on graphitic surfaces, reducing membrane fouling and maintaining high water flux rates.

Capillary microstructures extract plasma automatically, eliminating centrifuge complexity and preventing cell lysis.