Membranes TRIZ Cases

Optimized spark plasma sintering parameters balance membrane porosity and strength for efficient cadmium removal from wastewater.

A Ni-Ti-Nb alloy membrane separates hydrogen gas through multi-phase diffusion.

Planar chromatography media with porous structures and guanidinyl monomers enable high throughput purification of biological species at high ionic strengths.

A gas-separation module adjusts sweep gas introduction along its length using a rotatable slotted sleeve within a perforated conduit.

Pyrolysis of polyvinylidene chloride copolymers creates asymmetric microstructures that resolve the trade-off between hydrogen permeance and selectivity.

Thermal contraction of adhesive-lined heat-shrinkable film joins multi-strand fibers, preventing enlarged unions that violate tight tolerance requirements.

A hydrophobic coating prevents synthesis solution invasion during zeolite crystal deposition on porous substrates.

A polyurethane and polyoxazoline polymer blend forms synthetic membranes with improved film formation and mechanical strength.

Three-stage physical filtration removes impurities from sugar cane juice while retaining nutrients lost during traditional chemical clarification.

Suspension plasma spraying deposits a porous ceramic active layer on a support substrate, achieving high water permeability and mechanical stability.

Disposable cross-flow membrane stacks use textured surfaces to maintain separation, eliminating laborious disassembly and reducing maintenance costs.

A fluorinated polymer grafts onto hydrophobic membranes to boost surface tension and wettability.

A segmented manufacturing method applies ceramic membrane slurry to a pre-sintered porous base body, enabling independent optimization of filtration layers.

A cross-linked triblock polymer uses dithiol covalent bonds to reinforce hydrophobic mid-blocks while preserving ion transport pathways in outer blocks.

Modifying electrolyte composition with strong bases and buffering anions boosts ion transfer while pulsed polarity reversal prevents scaling.

A stabilized surfactant mesostructure bonded to a porous support creates selective transport paths for solvent flux.

A gas separation membrane incorporates a functional layer with an antioxidant to protect polyethylene oxide polymers.

Microretainers and micropillar separators control DNA template spacing, reducing polyclonality and improving fluorescence signal uniformity.

Porous hollow fiber membranes use phase inversion spinning to create thin walls and large inner diameters.

Membrane immobilizes heparin through ionic bonding, reducing systemic anticoagulation needs and bleeding risks in extracorporeal blood treatments.

A fluid pump system uses a sinusoidal piston velocity waveform to achieve substantially constant output flow.

Chemical vapor deposition deposits a selectivity modifying layer on ion exchange membranes to enhance conductivity and purity.

A microporous membrane with a hydrophobicity gradient enables integrity testing on one surface while maintaining sterility on the other.

Oxazoline modifiers react with polyamide membranes to reduce fouling and improve storage stability during fluid separation.

Modular gas separation devices use thin palladium membranes to boost hydrogen flow rates while lowering material costs for syngas processing.

Segmented binding part holes and intersecting flow channels eliminate stagnation zones preventing suspended substance accumulation.

Integrated sensors detect organic and inorganic deposits in reverse osmosis circuits, triggering automatic disinfection to prevent premature membrane failure.

A laminated porous polytetrafluoroethylene filter maintains structural strength while enabling gas flow through a mesh support layer.

Covalent triazine framework fillers disperse in polynorbornene matrices to exceed Robeson's upper bound for CO2 separation.

Pressure-driven filtration removes halide salts from iron suspensions to reduce water consumption and energy inefficiency during industrial production.

Coupled high-pressure and circulation pistons sustain steady membrane force, resolving stroke-induced pressure fluctuations in portable reverse osmosis systems.

Embossed support layers form isolated air channels and fluid compartments, enabling uniform bubbling and increased surface area per unit volume.

A hollow fiber arrangement removes carbon dioxide from patient blood using diffusion across microporous membranes.

An elastomeric sealing ring mediates between potting parts and housing, preventing steam sterilization leakage by absorbing thermal expansion stress.

A dual-layer membrane uses a fluoro-substituted aromatic amine modifier to enhance intermolecular interactions between polymer layers.

Anodic aluminum oxide intermediate layer reduces double metal oxide thickness to prevent peeling while increasing hydrogen permeability.

A membrane conduit with a residence time enhancing structure increases effective contact length between fluid and permeable material.

A hybrid desalination system integrates adsorption and direct contact membrane distillation to maximize freshwater production.

Metal doping and seed layer synthesis improve flux and stability in zeolite membranes, reducing intercrystalline defects.

A blood filtering device uses variable reservoirs to drive cross-flow filtration through a filter medium.

A composite semi-permeable membrane with a polymer porous layer on a nonwoven cloth layer maintains high permeation flux under elevated pressure.

A hybrid electrostatic-membrane filter charges particles via plasma zones and collects them on a grounded conductive surface.

A cellulose nanofiber membrane separates viruses from proteins using size exclusion based on controlled pore diameter.

Bulky diamines in uncrosslinked polyimides boost free volume, resolving the trade-off between gas separation selectivity and permeance.

A tankless water filtration system uses magnetic quick-change cartridges for easy, leak-proof filter replacement.

Precipitating agents and forward flushable hollow fiber membranes reclaim water from complex waste streams, reducing capital costs and treatment footprints.