Membranes TRIZ Cases

One hollow fiber membrane bundle supports cross-flow and countercurrent modules, cutting inventory, line complexity, and facility footprint.

Blocking non-permeated fluid from the outer space of a spiral pervaporation membrane helps prevent stagnation and preserve hygienic conditions.

CFD-guided teardrop pore structures combine flow and intermolecular force analysis to improve particle capture, selectivity, and permeation flux.

A silica-alumina membrane with graded porosity separates CO2 from natural gas at high pressure while resisting plasticization, fouling, and aging.

Preheating the organic phase intensifies interfacial polymerization, boosting RO membrane micropollutant rejection without sacrificing water permeance.

Branch flow restrictors balance permeability differences across parallel filters, improving flushing uniformity and limiting TOC extractables.

Dual-crosslinker irradiation forms a 3D membrane network that cuts protein adsorption while preserving caustic, autoclave, and gamma stability.

A three-layer CO2-photothermal membrane speeds deprotonation and reversible wettability switching for >99.5% nanoemulsion separation.

Two-step anion exchange chromatography improves recombinant adenovirus vector purity and yield for clinical gene therapy use.

A driver liquid pushes adhesive into hollow fiber ends, enabling reliable sealing without bonding membranes together in filtration modules.

Ketone-grafted UiO-66 on a flat-sheet membrane improves isoprene-acetone separation in breath samples, reducing CRDS acetone interference.

A TEP-NMP solvent blend cuts hazardous NMP use in PVDF membrane fabrication while preserving permeability, strength, and elasticity.

An offset tangential outflow port redirects blood away from the housing top, reducing stagnation and improving flow in the oxygenator.

A staged pre-filter and ultrafiltration setup removes viruses and mycoplasmas from allergenic extracts while preserving protein yield.

Cut-ins, holes, and recesses in the end member improve bonding to the exterior material, helping prevent cracking during container detachment.

A roughened hollow fiber membrane with anti-coagulant and amino groups balances clot inhibition with efficient adsorption of inflammatory cells and cytokines.

Pre-configured filters, valves, and sensors cut manual setup time in bioprocess filtration tests while lowering contamination risk.

Two sequential membranes with complementary selectivity improve gas A and gas B recovery and purity even when membrane separation factors are low.

Controlled vacuum pressure and hydrophobic rings spread particles evenly on a capture membrane, reducing texture interference and stacking.

Alternating lattice expansion and permeation layers prevent embrittlement, enabling hydrogen purification at lower temperatures with less energy.

Controlled SiC membrane porosity, tortuosity, and thickness improve backwash resistance while preserving filtrate flow and selectivity.

Crosslinked DNA oligonucleotides form a biomimetic cell wall that protects cells from harsh reactions, toxicity, and immune assault.

A radial flow-regulating structure improves hollow-fiber membrane flushing, limiting solids buildup and pressure rise in high-turbidity filtration.

Air or permeate draining clears residual milk product from filtration equipment, recovering valuable concentrate while preventing filter dry-out damage.

A magnetically levitating rotor built into the dialyzer cuts tubing, setup steps, hemolysis risk, and contamination points in blood treatment.

A sweep gas on the membrane permeate side boosts CO2 permeance and CH4 separation, cutting extra stages and compression needs.

A low-density tricot zone improves adhesive sealing in spiral wound membrane leaves, preventing raw and produced water mixing and boosting salt rejection.

A separate occlusion element and ring nut keep filter containers sealed under vibration and pressure while making opening easier.

Direct head attachment and radial shell access cut leakage points and improve fluid dynamics in scalable hollow fiber modules up to 200 bar.

Dry-wet spun cellulose hollow fibres preserve asymmetric pores during pyrolysis, enabling stable H2/CO2 separation without toxic pre-treatment.

Simultaneous dual-solution extrusion and staged coagulation create a bonded hollow fiber membrane with bacteriostasis, adsorption, and high flux.

A gas-permeable hydrophobic coating helps sorbents capture ammonium more selectively while preserving capacity for better urea toxin removal.

A dynamic sorption layer on the retentate side captures target biomolecules, reducing protein loss through permeate and liquid use.

Cross-linked amine and ammonium siloxane membranes raise CO2 solubility and permselectivity to improve direct air capture with lower energy use.

A selector-controlled bypass splits flow across treatment compartments to preserve minerals, improve taste, and limit bacterial growth.

Bent porous hollow tubes, activated carbon, and layered filter walls extend service life while removing PFAS and heavy metals.

Using reverse osmosis before forward osmosis cuts draw solution load and FO size when concentrating beer or cider to ultra-high gravity.

Membrane filtration removes catalyst poisons from biomass-derived sugar solution before hydrogenation, enabling high-yield sugar alcohol production.

A water-selective membrane dries inlet air before sorbent capture, cutting water co-adsorption and regeneration energy in direct air capture.

A concentric membrane-and-piston layout removes dissolved oxygen from fuel, cutting plumbing complexity and inhibiting high-temperature coke formation.

An aqueous electrostatic separator concentrates PFAS across semipermeable membranes, cutting regenerant waste and improving removal of short-chain compounds.

Parallel demineralizing lines enable dilute-water washing during operation, recovering flux and limiting scale without chemical cleaning.

A doped silicalite layer on a buffered ceramic substrate enables molecule-range separation in organic solvent streams without membrane swelling.

Tensile stretching forms predictable pores in a thin block copolymer layer, replacing slow block removal for scalable ultrafiltration.

Covalently cross-linked triamine-functionalized MCM-41 prevents filler agglomeration and defects, improving nanofiltration selectivity and stability.

Crosslinking block copolymer membranes preserves pore structure during drying and resists photolithography solvents for liquid filtration.

Membrane distillation pairs with pressure retarded osmosis to cut produced-water TDS, recover energy from brine, and avoid groundwater use.

Nanofiltration and membrane distillation convert SWRO brine into reservoir injection water while lowering sulfate fouling risk and groundwater use.

A multilayer membrane uses silver salt transport and titanium oxide protection to separate olefins from paraffins with stable flux and selectivity.

Acetone-deficient Clostridium fermentation paired with pervaporation simplifies butanol recovery by minimizing by-products before separation.