Membranes TRIZ Cases

Permeable membrane extracts water vapor without bulk air cooling, resolving high energy consumption and low COP of traditional refrigerant dehumidifiers.

Non-uniform fibrous channels in a separation membrane element stabilize performance by reducing fouling and maintaining differential pressure resistance.

Piston-type extrusion replaces agitators to solve non-uniform distribution and low productivity in hollow fiber membrane manufacturing.

Hydraulically isolated scavenger cells capture divalent ions like calcium and barium, preventing scale formation that fouls membranes and reduces ion flux.

Tapered spokes distribute mechanical loads away from the hub, maintaining structural integrity while maximizing radiation transmission through the open lattice.

Tangential flow filtration consolidates deprotection, concentration, and desalting to reduce operation time while maintaining API purity.

Hydrophobic hollow fiber membranes capture carbon dioxide from air without requiring high pressure differences or energy-intensive sorbent regeneration.

Segmenting the process into high and low pressure stages reduces membrane contamination while lowering energy consumption.

A mobile water treatment plant uses check valves to switch between single-pass and double-pass reverse osmosis modes.

A hollow fiber membrane binding apparatus secures the mat laminate to the header using a potting layer and holding bands.

Coordinating dispensing outlets in multiple non-parallel directions overcomes static movement limits to create complex coating patterns on flexible substrates.

Quaternary ammonium carriers dispersed in hydrophilic polymer matrices enable selective gas permeability while resisting oxidation at temperatures above 100°C.

A rotating blood filtration device uses a composite membrane to maintain high flow rates through an annular gap.

Cross-linked cellulose ether membranes gain hydrophilic acetyl groups to resist fouling in water treatment systems.

A reverse osmosis water purifier uses filtered water to flush the membrane via a dedicated controller.

Green tea extract stabilizes metal nanoparticles inside membrane pores, preventing oxidation and agglomeration to degrade trichloroethylene.

A crosslinked organic-inorganic hybrid resin membrane separates gases through selective permeation.

Fluororesin membranes withstand high cleaning flow rates without breakage, preventing suspended solid accumulation and clogging in the module.

Ozone contact column enhances coagulability of solid matter in wastewater before membrane filtration.

Grafted fluorinated polymers introduce glycosidic side chains to reduce membrane fouling while maintaining thermal stability.

Cross-linking poly(amide-imide) with polyallylamine resolves chlorine sensitivity and adhesion weakness while maintaining high salt rejection.

Transition metal cations inhibit membrane densification during pyrolysis, preventing aging and maintaining high gas permeance.

Radial compression of hollow fiber membrane bundles eliminates casting steps, allowing direct permeation property assessment within minutes.

Resin fills the gap between the anti-telescoping plate and central pipe to prevent relative rotation without complex mechanical interlocking features.

A bubble removal device uses a gas-permeable membrane to separate air from fluid samples.

An intermittent aeration cycle controls bubble generation to reduce energy consumption while preventing intermembrane clogging in submerged water treatment.

A reverse osmosis membrane with a pore diameter of 0.7 nm or less separates urea from aqueous solutions under low operating pressures.

A process combines earth alkali carbonates with CO2 to form hydrogen carbonate solutions for water mineralization.

A chelating membrane combines porous PTFE with resin powder to capture trace metal ions from wet electronic chemicals.

A composite polymeric membrane uses pH-responsive activated carbon to filter heavy metals from water.

Reaction container with parallel flat surfaces anchors multiple tubular supports for simultaneous zeolite membrane formation.

Laminated ePTFE membranes withstand ultra-low aerosol challenge testing to extend filter life and reduce energy costs in aseptic pharmaceutical systems.

A pervaporation process removes water and methanol from acetal reactions using selective membranes to shift chemical equilibrium.

Tensioned overwrap sheet material constrains the spirally wound membrane assemblage to maintain a precise cylindrical outer diameter within the sanitary shell.

Pyrolyzed oxygen-free ladder polymers create carbon molecular sieve membranes that resolve selectivity-permeability trade-offs in gas separation.

A fluorinated polyurethane membrane composition blends hydrophilic polymers to form uniform films via optimized solvent evaporation.

Counter-current gas flow through hydrophobic membranes removes volatile organic compounds from latex while preventing surfactant-induced foam formation.

An acoustically oscillating membrane generates acoustic streaming vortices to enhance gas transfer rates across a permeable barrier.

A seeding sol with controlled water-silica ratios forms oriented zeolite seed crystals on support surfaces.

Void flow channels in a hemodialysis cartridge create transverse entry points that eliminate stagnation regions and reduce clot formation.

Nanofiltration or reverse osmosis concentrates low alcohol beer while retaining flavor compounds and foam stability components.

Concave monomers create interconnected voids in the separating layer, resolving support instability in polar solvents.

A hollow microfiber uses a coaxial hydrogel design to form continuous cell layers within its lumen.

Multi-step absorption photopolymerization fabricates integral porous structures with precise pore control.

A desalination apparatus recycles concentrated water to stabilize high pressure pump operation.

A water-alcohol separation system uses multiple independent vacuum systems to reduce pressure at permeated sides of membrane modules.

Copolymer forms stable film on membrane surface, resolving adhesion issues that cause antifouling loss.

Segmented membrane modules reduce capital costs by allowing incremental capacity expansion without replacing entire systems.