Membranes TRIZ Cases

A dual filter sampling probe enables continuous process water analysis by alternating between two fluidically separated filtration units.

A dual hollow fiber membrane dialyzer system separates water-soluble and protein-bound toxins using selective permeation and adsorbent filtration.

Specific C/N ratio amine mixtures resolve the contradiction between high osmotic pressure and slow dissolution time, enabling rapid phase separation.

Folded eluent channels in ion suppressors maintain uniform current distribution, suppressing ion re-exchange and improving detection sensitivity.

Phosphorous compounds and co-solvents in the organic phase increase water flux without sacrificing solute rejection, reducing energy consumption.

A coupled membrane system separates salt and concentrates organics using diffusion, forward osmosis, and reverse osmosis stages.

Counter-current permeate channels leverage osmotic pressure gradients to boost flux while minimizing membrane clogging and reducing energy consumption.

Segmented membrane units recycle permeate and adjust flow ratios to suppress compression power while maintaining high methane recovery.

Nanofiltration and electrodialysis units adjust seawater ion composition to prevent precipitate formation in electrochlorination cells.

An unstretched porous polyethylene sheet filled with ion-exchange resin conducts ions while maintaining mechanical strength.

Composite membranes resolve permeability and selectivity trade-offs by using asymmetric polymeric ionomer layers on porous substrates.

Segmented filtration and vacuum distillation recover spent glycol at 99.5% purity, resolving contamination issues that limit conventional recycling methods.

A gas separation membrane uses an organopolysiloxane resin layer and a modified surface layer to achieve selective gas permeation.

Cross-linked quorum quenching microorganisms degrade signal molecules to delay biofilm formation and extend membrane filter operational life.

Electrolyzes wastewater to produce acidic and alkaline solutions, eliminating external chemical transport costs.

An osmotic power unit converts latent energy from high concentration streams into pressure for mineral injection.

A mixed MOR and MFI zeolite membrane achieves high permeation flux through uniform crystal growth.

Direct 3D printing integrates complex spacer geometries onto porous membranes, resolving membrane fouling challenges in wastewater treatment applications.

Octagonal dialysis device secures semi-permeable membranes with retaining rings to resolve sealing integrity issues during large sample loading.

A hemofiltration device uses an S-shaped blood flow path to maximize filtration surface area within a compact implantable volume.

A buffer chamber in electrodialysis maintains ion concentration gradients to improve wastewater treatment efficiency.

Integrated desiccant material maintains DNA viability without chemical preservatives or cold storage.

A tubular membrane filtration device uses gas-filled flexible chambers to drive linear vibration along the filter element.

Hollow fiber membranes capture airborne viral particles through physical filtration and adsorption mechanisms.

Segmented filter elements with annular inlets enable blind insertion, while self-stopping structures prevent residual water leakage during maintenance.

Sealing the lower surface prevents palladium deposition inside the porous support, ensuring uniform membrane growth and stable hydrogen permeability.

Swirling flow in the filter head prevents particle deposition, eliminating complex backwashing interruptions and reducing contaminated fluid disposal.

Hydrophobically-modified alkylene oxide urethane copolymers reduce silica concentration in permeate streams, preventing membrane fouling and extending lifespan.

Ionic liquids replace toxic solvents in membrane fabrication, ensuring environmental safety and production continuity.

An impermeable bladder encloses the filter cartridge, isolating fluid from the housing interior to eliminate biofilm growth and reduce maintenance waste.

Retentate sweep gas reduces permeate partial pressure on the low-pressure side, resolving accumulation impedance that limits throughput and purity.

A submerged hollow fiber membrane unit uses a magnetic field to retain superparamagnetic nanoparticles within the draw solution.

A desalination system switches between ultrafiltration membranes based on dissolved oxygen levels to optimize filtration efficiency.

A separation membrane module uses a lubricated sealing member to reduce static friction between the membrane complex and housing container.

Integrated membrane channels guide laminar fluid flow, reducing internal electrical resistance and eliminating spacer friction losses.

Copolymer wetting agent prevents additive leaching in aromatic hydrophobic membranes while maintaining pore structure.

Inorganic membrane functionalized with metal ions separates organic compounds based on unsaturation degree.

Gradient pore structures balance filtration precision with permeability, reducing energy costs.

A disposable fluid circuit with a spinning membrane separator and syringe pumps enables direct filling of small volume containers.

A reverse osmosis centrifuge converts saline concentrate energy into rotational force to drive desalination membranes without high-pressure pumps.

Polyolefin core-sheath fibers in the air filter provide radiation resistance while ensuring complete sealing during anchoring, preventing leaks.

A membrane module uses slidable coupling portions to connect adjacent water collecting cases and enable permeate flow between them.

A stepwise interfacial polymerization method creates hollow fiber nanofiltration membrane composites with cross-linked aromatic polyamide layers.

A dual membrane separation system recovers volatile organic compounds from aqueous solutions through sequential pervaporation stages.

A laminated film uses scattered thermoplastic bonding parts to join a polyolefin microporous membrane and porous support layer.

Amphiphilic block copolymer modification layer regulates monomer diffusion during interfacial polymerization to form a thicker polyamide functional layer.

Hydrogel and fluoropolymer coatings resist CO2 plasticization and solvent swelling, maintaining selectivity in natural gas upgrading.

Porous hydrophobic membrane removes hydrogen sulfide from sour water without steam, eliminating energy consumption and material corrosion.

Siloxane additives reduce bubble formation in allophanate polyisocyanate compositions, resolving defoaming issues for membrane modules.