Semi-Permeable Membranes TRIZ Cases

A hollow fiber membrane system integrates a twisted ribbon static mixer within the hollow portion to enhance filtration performance.

A reticulated foam filter system captures airborne impurities through its porous structure while maintaining a durable coupling mechanism for plant growing areas.

A grounded conductive element within a fluid path creates a galvanic effect to protect silicon components from chemical degradation.

Curved through-holes with specific radius limits reduce large opening areas, resolving the trade-off between mechanical strength and separation accuracy.

A polyimide mixture incorporating amino-containing silica particles forms a dense membrane for gas separation.

Pressure peaks purge oxygenator capillaries, eliminating bulky vacuum pumps and preventing emboli by keeping gas pressure below venous blood pressure.

A hydrogen membrane module uses a fluid-permeable support structure to hold thin selective membranes.

Triply periodic minimal surface structures create complex internal flow paths to enhance interfacial area and fluid mixing.

Single-step coating of asymmetric hollow-fiber membranes resolves manufacturing complexity while maintaining gas separation performance.

Genetically engineered cells in a bioreactor detect inflammatory cytokines and produce specific inhibitors to modulate immune responses.

DMSO mediates acid-base interactions between aminophosphonic acids and sulfonated polymers, overcoming poor solubility limits.

A two-step cleaning process for hollow fiber membrane modules combines water removal with air scrubbing to maintain filtration performance.

Voltage-dividing resistors on a micro-fluidic chip replace relay switching to increase droplet transport speed and reduce electrode count.

Apparatus applies high-frequency electromagnetic fields to shift equilibrium between free and protein-bound toxins during dialysis.

A polymer blanket permeates and solubilizes halogenated compounds with non-polar solvents, avoiding toxic by-products from incineration.

Nested multi-part capsule segments create distinct compartments, resolving dislocation risks during handling and filling.

Flexible textile filter basket captures debris in storm drains and exits through narrow inlet openings, eliminating expensive vacuum truck maintenance.

A droplet-delivery apparatus precisely dispenses raw-material liquid into mold recesses to form microneedles with controlled composition distribution.

High glass transition temperature cellulose acylate maintains pore structure during sterilization to prevent clogging and sustain leukocyte removal efficiency.

A photolithographic method forms patterned molecularly imprinted polymer films using a photomask and controlled irradiation.

Upwind and downwind embossed protrusions on a pleated air filter medium maintain surface separation, reducing pressure drop while preserving filtering function.

MDEA solvent and n-pentane refrigerant reduce energy consumption by 15% while minimizing equipment corrosion.

A multilayer porous PTFE membrane structure with specific node parameters captures airborne contaminants through physical filtration and adsorption.

A filtration filter uses sample flow to dislodge suspended matter from its surface.

A two-stage membrane system uses PIM and PBO materials to separate hydrocarbons and CO2 from natural gas streams.

Grafting nitrile groups onto porous fluoropolymer membranes creates triazine ring crosslinked structures that enhance mechanical strength and gas impermeability.

A microfluidic flow unit uses a nozzle, turn, and diffuser to separate particles by momentum.

Semipermeable membranes enable a wearable ketone sensor to detect acetone vapors, replacing heart rate proxies with direct fat metabolism data.

Cerium catalysts decompose hydrogen peroxide in fuel cell membranes, reducing chemical degradation and extending operational life.

Additive manufacturing produces monolithic membrane filters that eliminate modular sealing issues, enhancing mechanical stability and service life.

A method using fluorescent pellets to determine pore size distribution through single-step filtration and fluorescence detection.

Replacing fumed silica with hydrogenated castor wax and amide wax reduces degassing time while maintaining adhesive stability.

An electrochemical reactor system captures carbon dioxide using an electrolyte membrane that transports carbonate and oxygenate ions between electrodes.

Segmented hollow-fiber membranes cool compressed air before humidification, preventing condensation freezing and reducing compressor power consumption.

Varying pleat counts per unit circumference reduces pressure drop and improves flow distribution in frusto-conical filters.

Segmented porous membranes capture suspended cells via gentle filtration, preserving structural integrity during transfer to analysis surfaces.

Relocating one electrode to the reusable dialyzer reduces disposable circuit production costs while maintaining accurate needle detachment detection.

A recess plate uses pressure monitoring within a squeezing chamber to detect membrane leakage in filter devices.

Flat sheet geometry replaces fragile ceramic tubes to reduce pressure drop and energy consumption in industrial ethanol-water separation.

Zwitterionic trimethylglycine adsorbs onto membranes to block calcium phosphate scaling without acid feeding or pH adjustments.

Conical clamping rings secure filter fabrics without radial protrusions to maintain permanent sealing integrity.

Irradiating polysulfone membranes with gamma rays creates inherent adhesive properties that eliminate extracellular matrix pre-treatment steps.

A fuel filter capsule directs flow through multiple elements in series within a single housing to enhance contaminant removal.

Composite sintered polymeric materials prevent fluid bypass in filtration devices by conforming to housing irregularities without precise tolerances.

Tapered through holes in a laminated silicon body block liquid to eliminate gel bubbles and restore pressure detection accuracy.

Acute angle inlet section directs tangential fluid flow through a cylindrical gas exchange chamber, reducing device volume for portable patient use.

Wet chemical transfer tears graphene at separating structures to form precise sensor patterns, eliminating laser processing and stray capacitance.

A catalytic system enables semi-aromatic polyether production from aliphatic diols at moderate temperatures.

A hollow-fiber membrane module receives priming liquid at controlled linear velocity to fill internal and external compartments efficiently.