Membranes TRIZ Cases

Coordination complexes control sulfur trioxide reactivity to eliminate side-products during sulfonation.

Segmented frame design reduces leakage and weight while a sensor cap provides haptic sealing feedback and wireless monitoring.

Segmented filters remove cellular components to prevent membrane fouling, extending system longevity and reducing anticoagulant needs.

An integral sterilization-grade filter extracts terminal sterilization from centralized facilities, allowing decentralized filling while maintaining sterility.

A sulfone polymer solution combines gamma-valerolactone with water-soluble polymers to form separation membranes.

Low-temperature ozone calcination prevents thermal defects in MFI zeolite membranes, maintaining high permeance and separation factors.

A composite membrane sheet integrates feed spacer and permeate carrier functions into a single three-layer structure.

Sulfonated poly(aryl ether) membranes utilize electrostatic repulsion to separate dairy proteins during ultrafiltration.

A mixing member recycles wastewater through reverse osmosis purification, eliminating manual disposal.

Rigid p-diphenyl spacers in the polymer chain enlarge free volume to overcome swelling limits and boost permeation flux.

Sequential acidification, steam stripping, and reverse osmosis remove sulfur and nitrogen impurities from pulp mill condensates to meet IMPCA standards.

A gas exchange composite membrane uses non-porous and microporous layers to oxygenate blood.

A composite membrane uses a macroporous substrate and 2-D material flakes to achieve high vapor permeance.

Replacing antimony catalysts with titanium in polyester fibers eliminates heavy metal leaching from stagnant water in spiral-wound filter modules.

Gas displaces permeate to create a cushion, allowing oscillating backwash pressure to remove uniform deposits and extend ultrafiltration module service life.

Thin metal foil membrane element uses diffusion bonding to create a continuous leak-proof layer on a porous substrate.

Segmented evaporation and reverse osmosis stages remove degradation products from amine waste streams, restoring solution reliability.

High molecular weight polymers form a protective layer on reverse osmosis membranes, achieving high salt rejection while maintaining flux.

Removable alignment device centers and elevates filter cartridge ports within housing bowls, preventing fluid bypass in constrained installation spaces.

Selective surface saponification enables spontaneous water wetting and integrity testing without compromising fluid-tight peripheral connections.

Combining cordierite and ceramic particles creates a crack-free membrane with pores under 0.3 µm, solving the trade-off between precision and reliability.

Electrospun zwitterionic fiber membranes resist fouling and swelling while maintaining structural integrity during wastewater treatment.

Controlled azo content in thin film composite polyamide membranes resolves the trade-off between salt rejection and flux performance.

Segmented flow passages prevent crystal blockages in narrow channels, maintaining high heat transfer rates during concentration.

A filtration head uses a ring-shaped holder to secure cardboard funnels against the base.

High-stiffness nonmetallic end pieces and a retainer press fluid treatment units together to form self-contained assemblies.

Sulfamic acid stabilizes hypobromous acid production, preventing membrane degradation while inhibiting biofouling.

Macrovoid layer in three-layer polyimide film increases porosity while maintaining compression resistance.

Nanomaterials adhere to channel walls in a wood-based membrane, reducing contaminant concentration by 99.8%.

3D-printed Ti3C2Tx MXene spacers convert solar energy into localized heat, boosting water flux and efficiency while cutting bulk heating costs.

Cross-flow filtration removes particles from non-aqueous liquid to maintain polymer bead quality.

Wound hollow fibers merge oxygenation and depth filtration to reduce prime volume and hemodilution in extracorporeal blood circuits.

A p-methylstyrene-co-divinylbenzene membrane process introduces bromomethyl groups via radical polymerization and benzylic bromination.

A filter system uses a spring-loaded closure mechanism to secure hydraulic connections against the filter holder.

Block copolymers modify aromatic polymer surfaces to enhance wettability, addressing hydrophobicity issues in porous membranes.

A submersible desalination apparatus uses a detachable vacuum pump to create pressure differentials across semi-permeable membranes for water purification.

A porous hollow fiber membrane with controlled thickness achieves high compressive strength through optimized cellular foam structures.

An elliptical filter captures rare cells while reducing filtration pressure and cell damage.

A nano fiber membrane filters particulate matter while absorbing harmful gases through electrostatic spinning.

A gas separation membrane uses a siloxane resin layer to achieve high permeability and selectivity.

Heat treatment of graphene oxide and aromatic molecules aligns molecular structures, reducing weight while maintaining thermal conductivity.

Segmented dialysis sections manage gas bubble formation during acid removal, maintaining active membrane surface area and operational continuity.

A polymeric nanofiltration membrane features a cross-linked skin layer formed on reactive pendant groups to enhance chemical resistance.

A control method computes relative energy consumption to determine physical cleaning timing in filter systems.

A sieve device uses a secondary filter to separate drill cuttings, preventing uncontrolled particle return and equipment wear.