Membranes TRIZ Cases

Synthesizing MOF crystals within hollow fiber membranes prevents pulverization while maintaining high ammonia breakthrough times.

A polyolefin microporous membrane with controlled pore size and high porosity enables precise particle separation.

A composite filter aid mixture of inorganic diatomaceous earth and fungal culture liquid enables solid-liquid separation during cellulase recovery.

A batch reverse osmosis system uses a recirculation piston to vary pressure during operation.

Optimized aromatic polysulfone resin parameters prevent membrane damage during high-pressure cleaning cycles.

A semipermeable membrane retains azo compounds in its separating functional layer to achieve high water permeability.

A porous polytetrafluoroethylene membrane coated with a fluorine-containing polymer provides liquid repellency and flexibility.

Segmented partition walls separate gas purification from particulate trapping, preventing heat-induced catalyst deterioration.

A membrane stack with varied separation regions operates under different vacuum levels to separate substances from complex mixtures.

An integrated drain member eliminates manual filter transfer steps, preventing contamination risks while ensuring consistent test reliability.

Functionalized polyimide layers improve acid gas separation factors while maintaining durability against physical aging.

Electrodialysis cells use TEMPOL redox mediators to lower operating voltage, solving kinetic overpotential losses in seawater desalination.

Chelated SBA-15 sieves and hyperfiltration membranes remove inorganic contaminants from hydrogen peroxide, eliminating high-energy rectification.

Thermal lamination bonds expanded PTFE membrane to a fibrous cellulose substrate, resolving the trade-off between pleatability and filtration efficiency.

A hollow fiber membrane combines polysulfone and polyvinylpyrrolidone to achieve stable pressure resistance.

An upper container directs fluid through a selective membrane that binds antibodies, enabling trace biomarker detection without laboratory analysis.

An alicyclic diamine component in the polyamide skin layer improves chlorine resistance and salt rejection rates.

Segmenting the separation process into main and finishing units resolves purity constraints without increasing control complexity.

Thermocompression bonding at low roll temperature differences prevents widthwise curl while maintaining membrane formability and peel strength.

A secondary liquid supply unit provides sterilized water to post-treatment equipment during startup.

Hydrophobic microporous membrane distillation recovers ammonia from acidic wash streams, reducing energy consumption compared to thermal stripping.

A disposal container neutralizes reactive alkali metals using controlled reactants and semi-permeable membranes.

A rotating wheel with radial tubes generates centrifugal pressure to drive reverse osmosis membrane separation.

Segmenting the process into ion exchange, membrane dehydration, and distillation steps reduces energy consumption while achieving high-purity isopropyl alcohol.

Polar carbon nanotube dispersion forms a three-dimensional porous scaffold structure on a polymer support.

A microporous membrane integrates alternating charge continuous zones within a single layer to enable precise fluid processing.

Multistage membrane process separates acidic contaminants from hydrocarbon streams using segmented permeance optimization.

A thermally reflective membrane apparatus uses discrete particles to reflect heat during fluid separation.

Shear treatment removes bubbles from hydrophilic resin composition liquid before membrane layer application.

Offset fluid control manifolds allow individual membrane module servicing, eliminating overhead frames and reducing maintenance downtime.

Hot-pressing mixes metal sources with organic ligands to form high-purity filters, resolving production efficiency constraints.

A bioprocess filtration unit uses a sloped disposable flow path to guide liquid drainage through gravity.

Hydrate formation separates xenon from krypton without energy-intensive distillation, reducing operational costs.

A forward osmosis membrane module enriches aqueous ethanolic solutions using aquaporin water channels.

N-Acyl-Morpholine dissolves sulfone polymers to eliminate turbidity while enabling high water permeability in ultrafiltration membranes.

Crosslinked polybenzimidazole membranes sustain flux and rejection in strongly acidic or basic solvents where conventional materials degrade.

Siloxane and polyether urethane coatings modify ePTFE surfaces to eliminate pre-wetting requirements while preserving membrane mechanical strength.

Segmented radiation heating creates local temperature gradients in separation columns, reducing thermal mass and cooling time for faster analysis.

Control valves redirect filtrate from active module rows to backwash isolated rows without external reservoirs.

In situ formation of biocidal metal nanoparticles mitigates biofouling while preserving membrane integrity.

Hollow fiber forward osmosis membrane module uses a dense support layer interface to prevent separation function layer detachment under positive pressure.

A portable water purification system integrates a reverse osmosis filter, pump, and bi-fold solar array to generate power for filtration.

Tapered flow channels in support materials prevent filter media damage by matching local flow rates to channel depth.

Covalently bonding hydrophilic additives and nanoparticles within a crosslinked polyamide layer boosts water flux while maintaining high salt rejection.

A reverse osmosis system uses an ozonization secondary circuit to sterilize permeate collection tubes without chemical residues.

Segmenting permeate into low and high conductivity streams eliminates salt addition equipment in deionization units.

Graphene oxide membranes separate tritiated and heavy water from waste streams using specific interlayer spacing to improve separation efficiency.

Adjustable storage chamber disconnects from purified water port to flush reverse osmosis membrane, reducing first-cup TDS and extending membrane life.

Nitrogen-doped TiO2 in PVDF membranes degrades organic foulants under solar light, reducing energy costs.