Membranes TRIZ Cases

An electrodialysis stack uses ion exchange membranes and a manifolding assembly to concentrate desalinated water output efficiently.

A hollow-fiber membrane combines hydrophobic and hydrophilic polymers to promote cell adhesion.

A crossflow membrane emulsification apparatus generates laminar mixing of liquid reactants to produce solid particles.

A composite membrane uses a carbon nanotube fabric to reinforce a polymer matrix while maintaining high gas permeance.

A high-magnesium concentrated liquid mixes with purified water to create potable water.

Segmented filtration removes humic substances and oligomers from hydrothermal carbonization water, preventing column fouling and boosting product purity.

A membrane filter uses a downwardly open tray to distribute gas uniformly across submerged membrane units.

A hydrophobic PVDF hollow-fiber membrane with an isotropic sponge-like pore structure provides high permeability and mechanical strength.

Covalently bound surface modifying macromolecules reduce thrombi deposition by 80 percent, extending functional life of extracorporeal blood circuits.

An electrolytic sterilizer generates sterilization water from purified feedstock to maintain storage tank hygiene.

Hollow-fiber contactors incorporate distinct particles to influence wetting properties and facilitate efficient mass transfer of carbon dioxide.

Eliminating sealing rings through integrated housing and end caps resolves thermal expansion leaks while reducing manufacturing complexity.

Rolling a membrane around a core tube eliminates the backing layer, resolving the trade-off between mechanical strength and thickness while boosting throughput.

A hollow fiber membrane with a dual-layer polymer structure resolves the trade-off between hydrophilicity and heat resistance in fuel cell humidifiers.

Liquid photoresist deposition and photolithography produce thin microsieves with precise pore geometry, overcoming track-etching irregularities.

Nano-filter membranes remove inhibitory acids from liquid biomass components, enabling higher ethanol conversion rates during fermentation.

Segmented support screens prevent membrane wrinkling during reverse pressurization cycles, ensuring leak-free operation.

Vertical growth of hydroxyapatite nanowires on cellulose supports creates a porous network that improves mass transfer rates.

A control unit determines flux rates from flow sensor data to operate membrane filtration systems in normal or flux tolerant modes.

Housing end caps with receiving contours anchor potting compound to maintain liquid separation in filter modules.

Series-connected zeolite membranes use natural pressure gradients to separate CO2 without compressors, reducing energy consumption.

A chelating polyvinylidene fluoride membrane captures heavy metals from wastewater through surface grafting and chemical modification.

A thin-film composite membrane separates aromatic compounds from alkanes using a fluorinated ionomer layer.

A porous support structure uses distinct layer porosity ratios to enhance fluid permeation while maintaining mechanical strength.

A cross-flow filtration cleaning method adjusts fluid flow rates during the process to optimize membrane performance.

Segmented pathways draw fluid into vacuum tubes to separate components, reducing required blood volume and patient apprehension.

Enzymatic crosslinking stabilizes edible protein membranes, resolving the trade-off between structural integrity and toxicity.

Sheath-core conjugated polyester fiber eliminates heavy metal leaching from antimony catalysts while maintaining thermal stability.

Chemical precipitation forms insoluble salts in monoethylene glycol feed streams for membrane separation.

Dispersing nanomaterials in the polymer support layer increases water permeate flux while maintaining high solute rejection rates.

Nanofiltration reduces multivalent ions in seawater for ore mining, converting brine into irrigation water to lower disposal costs.

A gas separation composite uses a perforated metal support to hold a thin polyimide membrane layer.

A hollow fiber membrane with a polyelectrolyte coating selectively removes multivalent ions while allowing monovalent ions to pass through.

A poly(acid) membrane spin column purifies proteins via affinity interactions.

An oxidant delivery system exposes hydrogen-selective membranes to an oxidant stream in situ, restoring permeance and eliminating costly maintenance shutdowns.

Segmented membranes balance enrichment quality against production rate, enabling compact nitrogen generation for aircraft fuel tank blanketing.

An integrated vent tube removes air pockets that block flow, ensuring reliable filtration without adding complex manual controls or external components.

Differential cooling creates an asymmetric pore structure that resolves the trade-off between water permeability and particle cut-off properties.

Segmented hollow fiber bundles maintain flow stability as filter media loads, resolving the trade-off between reliability and processing capacity.

A portable seawater desalination unit uses a water drawing part to force fluid through resin and membrane filters.

A poly(benzoxazole-imide) gas separation membrane incorporates a siloxane compound layer to enhance mechanical strength and folding endurance.

A laminated polyolefin microporous membrane structure with specific polypropylene content ranges in each layer.

An asymmetric inclination protection restricts swashplate movement to one plane, balancing ease of manufacture with orientation stability.

Dual-stage tangential-flow ultrafiltration removes host cell proteins and DNA from cell culture supernatant, eliminating pH-driven precipitation steps.

A liquid chromatography column filter uses a hollow spacer to maintain separation between two filters with different pore sizes.

A hydrophobic PVDF membrane incorporates carboxylated carbon nanotubes to enable photothermal and Joule heating.

Multi-stage membrane filtration removes alcohol from fermented beverages without degrading heat-sensitive flavor compounds or requiring artificial additives.

Integrated endplate channels in a portable filtration unit separate solutions while reducing system footprint for remote field applications.