Membranes TRIZ Cases

Multi-stage nanofiltration reduces operating pressure by using progressively more permissive membranes to concentrate solutes.

A filter unit with a handle-integrated cartridge simplifies handling and reduces contamination risk during biological particulate testing.

A side-flow reverse osmosis filter introduces raw water along the membrane length to extend the fluid transfer path and improve purification efficiency.

Exposing the O-ring between cap and potting material eliminates flat surface stagnation areas that trap solid contaminants in hollow fiber membrane modules.

A two-dimensional metal carbide membrane integrates MXene layers to deliver biocidal activity against bacterial growth.

Laser-fabricated parylene membrane filters separate circulating tumor cells from blood samples with precise geometric hole control.

An electrolytic cell separates isotopes using electric fields to drive ion migration through a liquid medium.

Laminating porous polymeric membranes using heat and pressure eliminates adhesive materials that reduce porosity in composite structures.

Separating the spring means from the pilot chute eliminates inertia and bridle strangulation risks, ensuring reliable canopy deployment during free fall.

A method pumps aqueous fluid through an electroosmotic membrane using low-potential redox reactions at the electrodes.

Dehydrated hydrophilic zeolite membranes achieve high CO2 permeability and selectivity, eliminating energy-intensive regeneration cycles in hydrogen production.

Blending acrylic amphiphilic block copolymers into a fluoropolymer matrix boosts water flux and stabilizes pore sizes without damaging mechanical integrity.

Ammonia pre-treatment followed by acrylic acid plasma deposition stabilizes hydrophilic properties against water immersion regression.

Recirculation loops circulate feed and draw streams through osmosis modules to maintain high membrane surface velocities.

Microporous membrane filter blocks living cells while allowing biomolecules to pass through, reducing mechanical trauma and pollution in cell separation.

A polyamide separation membrane features a polymer coating containing quaternary ammonium cations to prevent surface adhesion.

A filtering membrane module uses a header with coupling units to stabilize the structure during wastewater treatment operations.

Vertical dope impregnation eliminates leveling steps to resolve surface flatness issues in web-reinforced separator manufacturing.

A semipermeable membrane with an ultra-low attachment coating improves biomolecule recovery in filtration devices.

Replacing Ag-X zeolites with MOR-type structures and transition metal ions resolves selectivity limits for branched diolefin separation.

Helical springs apply dynamic compression to deionized water chambers, preventing leakage during thermal expansion.

Permeable borehole drives saline water through membrane channels using natural hydraulic gradients.

Crosslinked polyamide film coating prevents metal ion extraction from acidic liquids, maintaining fluid purity in microelectronic processing.

Integrated sealing frames eliminate complex multi-seal structures while maintaining airtight cathode air separation in fuel cell humidifiers.

Applying controlled pressing pressure to the wound membrane body ensures sealant penetration and adhesion, preventing source fluid mixture with permeate.

An asymmetric multilayered ion exchange membrane controls ion channel density to prevent electrode scale formation and maintain efficiency.

Sheet-like elastic members replace rigid O-rings to prevent membrane damage from groove corners while maintaining sealing reliability.

Pressure decay measurement detects small area hydrophobic filter integrity without alcohol, resolving sensitivity and speed trade-offs.

Stainless steel U-shaped caps maintain membrane straightness, preventing sludge buildup and enabling higher packing density.

A single vessel houses both the filter element and membrane separation unit to streamline fuel gas processing.

Block copolymers integrate into cellulosic membranes to improve hydrophilicity and chemical resistance while maintaining structural stability.

An inverted hollow fiber membrane cartridge utilizes ascending water currents from aeration to remove inter-membrane clogging without manual disassembly.

Submerged ultrafiltration membranes remove heavy metals via polymeric chelants, lowering cross-flow energy costs and preventing fouling.

A water provision apparatus combines reverse osmosis, ion exchange, and particulate filtration to produce high-purity water.

A thin-film nanocomposite membrane uses zinc oxide nanoparticles to filter organic micropollutants from wastewater treatment solutions.

Tempered cellulose ester membranes undergo saponification to produce hydrate structures with controlled flux and rejection characteristics.

Tailored imidazole polymers remove PFAS via selective binding, enabling recyclable resin beads that lower energy costs compared to single-use methods.

Adsorbent treatment and membrane filtration concentrate cannabinoids while preserving volatile terpenes lost during solvent removal.

Segmented filter modules enable maintenance without stopping the entire system, while merging fasteners resolve rigidity issues under backwash pressure.