Membranes TRIZ Cases

A divided wall column separates water and isopropyl alcohol to reduce energy consumption in azeotrope removal.

Composite membrane with optimized crosslinked polyimide resin suppresses plasticization to maintain separation selectivity under high pressure.

Alternating flow filter reverses fluid direction through porous elements to remove fouling layers and sustain low hydrocarbon levels in produced water.

Winding hollow fiber membranes within one to two rounds reduces pressure loss and blood filling amounts in medical heat exchangers.

Self-assembled star polymers on polyamide barriers reduce organic fouling and microbial growth while preserving membrane permeability.

Dynamic analysis calculates relative fraction unbound ratios via kinetic modeling, eliminating adsorption errors and reducing equilibrium time.

A hetero-phase polymer membrane separates water vapor from gas streams using co-continuous phase structures.

USY zeolite seeds enable high Si/Al ratio FAU membranes that separate organic solvents from water.

Vertical permeate ports and structural tubing resolve the contradiction between high tank intensity and module maintenance complexity.

Nano-imprinted membrane arrays create tunable pore dimensions to control fluid flow and molecular separation.

Selective catalyst coating on partition walls maintains low pressure loss while boosting regeneration efficiency.

Segmented ultrasonic transducers overcome energy attenuation in thick membrane blocks, maintaining cleaning efficiency while minimizing power consumption.

Helical membrane bundles generate vortex flow that reduces fouling while increasing packing density for compact wastewater treatment.

Electrostatic deposition of nanofibers onto plasma-treated substrates increases 0.4 μm particle capture by 20% while lowering pressure drop by 30%.

A curable poly(RTIL) mixed-matrix membrane selectively separates carbon dioxide from natural gas through self-cross-linking polymerization.

Streaked projections on the transition section increase friction and holding force, eliminating multiple fixing components.

A self-contained emergency water filtration kiosk uses a turn-key variable pump system to deliver clean drinking water rapidly.

A tangential flow filtration system uses a membrane surface concentration sensor to monitor protein levels.

Tubular membrane filter elements retain mammalian cells while allowing viral particles to pass through in tangential flow filtration systems.

Thermally bonded silver-coated nanofiber fabrics provide pathogen removal without adhesive layers.

Simultaneous surface coagulation creates an integral membrane with variable pores, reducing manufacturing complexity while enhancing retention.

Mechanical filtration using positively charged nylon membranes removes endotoxins from snail secretion while preserving bioactive molecules.

Electrodepositing ionic resin onto microporous membranes modifies surface charge density to remove ionic impurities from wastewater streams.

A pulse-modulated periodic backflush system cycles fluid flow to break apart fouling cake layers in dead-end filtration membranes.

Spring-mediated oscillation reduces energy input while extending operating time for biologically contaminated wastewater filtration.

Control pyrolysis temperature and heating rate to balance selectivity and permeability in carbon molecular sieve membranes.

Hybrid distillation and graphene oxide membrane systems break azeotropes without expensive separation agents, reducing energy consumption.

Blade-coated zeolite membrane removes ammonia nitrogen without complex hydrothermal growth, avoiding costly regeneration steps.

A filter medium featuring a cross-linked hydrophilic polymer coating for water treatment applications.

Biaxially-oriented expanded PTFE membrane uses fishtail extrusion and multi-pass stretching to achieve high mechanical strength.

Alternating anionic and cationic polymers in a porous support enable selective salt transport, reducing energy costs compared to conventional water removal.

A hydrophobic-oleophilic hollow fiber composite membrane separates oil and water using a polyvinylidene fluoride surface layer.

Electric field controlled breakdown forms nanopores in PDMS membranes, eliminating beam alignment needs and reducing electrical noise.

Cross-flow filtration modules dilute viscous cell cultures with viscosity-reducing agents to prevent filter clogging and maximize product yield.

Polyphenylsulfone membranes withstand oxidizing cleaning agents, extending lifespan and reducing maintenance costs.

A reverse osmosis cascade uses low salt rejection membranes and pressure exchangers to manage high osmotic pressures in desalination systems.

Staggered top headers prevent air bubble coalescence and clogging, extending membrane lifetime while maintaining efficient liquid filtration.

Roughened hollow fiber surfaces decrease the blood boundary layer thickness, increasing gas exchange efficiency without enlarging the oxygenator device.

A vertical membrane-based plasma separator extracts large volumes of plasma from whole blood using gravitational sedimentation and size exclusion filtration.

A functionalized microporous membrane with guanidyl groups captures targeted biomaterials from biological fluids.

A molded field flow fractionator integrates the separation channel and fittings into a single assembly.

Alternating current voltage prevents electrode charge buildup while ion flow controlling elements reduce backflow and energy loss.

A spiral wound membrane filtration system maintains uniform transmembrane pressure through co-current permeate recirculation and flow resistance elements.

SMA-blended membranes covalently bind amine-bearing molecules to resolve non-selective adsorption in blood treatment applications.

Incorporating carboxylic acid monomers into the polyamide layer improves salt rejection and organic molecule separation efficiency.