Membranes TRIZ Cases

Introducing 1,3-diaminoguanidine maintains surface protonation under alkaline conditions, sustaining over 96% MgSO4 rejection across wide pH ranges.

Segmented membrane stages maintain constant pressure drop to selectively clear medium-sized molecules while preserving essential plasma constituents.

Epitaxially grown MWW and DDR zeolite layers create a heterogeneous membrane that eliminates pore-sized defects to boost carbon dioxide separation efficiency.

A nanosensor with functionalized nanopores detects charged molecules via stripping voltammetry.

Electrodialysis removes ionic materials from blood, allowing direct PCR use and improving detection efficiency.

Tangential flow filtration isolates mesenchymal stem cell exosomes using hollow fiber membranes, preserving integrity while removing debris.

Sterically hindered amine groups in the selective layer enhance CO2 permeance and selectivity, overcoming low separation efficiency in flue gas.

Angled partial screw threads join manifold and bowl for one-step cartridge connection, resolving complex removal forces in semiconductor filtration.

Direct contact thermal distillation evaporates produced water to separate salts, eliminating deep well injection seismic risks.

Crosslinking polyimide imide groups stabilizes membranes in solvents like DMF, maintaining flux and rejection.

A thin-film-composite hollow-fiber membrane uses a polyamide selective layer on a porous support to achieve high water permeability and salt rejection.

A beta-SiC membrane layer achieves high abrasion resistance and tearing strength through optimized crystalline phase ratios.

Periodic backflush removes adhering proteins from the membrane surface, preventing blockage during dead-end filtration.

Electrospun PAN-PVDF nanofibers boost flux and strength without surface modification.

A liquid fluid filter assembly recirculates permeate through a circulation conduit to clean the filter membrane without external water sources.

Uniform manganese oxide distribution in a fluorinated polymer electrolyte membrane improves durability by reducing weight loss during peroxide exposure.

Bundled hollow fiber membranes use inserted diffuser tubes to generate air bubbles that vibrate the fibers.

Built-in pressure regulator prevents membrane clogging and extends useful life by managing high raw waterline pressures.

A hollow-fiber membrane blends aromatic sulfone polymer and polyoxazoline to create an integrally asymmetric structure.

Recycled ionic species balance ion exchange in forward osmosis, reducing product water salinity and enabling draw solute recovery via reverse osmosis.

Integrating the filtrate collector pipe within the feed line protects the filter from flow damage while minimizing system footprint.

Direct heating of the MIEC membrane by synthesis gas reduces electrical energy consumption compared to pressure swing adsorption systems.

Dispersed nanoparticles in porous membranes reduce mean pore size to improve filtration efficiency without increasing pressure drop.

Introducing chelating agents into aqueous solutions resolves the contradiction between improved membrane filterability and increased manufacturing costs.

Integrated flow restrictor creates passive back pressure to maximize differential pressure and boost permeate production without external valving.

A membrane-based water treatment system adjusts salinity and removes sulfate ions to produce tailored injection water.

Gradient interval spacers reduce concentration polarization while minimizing pressure loss in spiral membrane elements.

Asymmetric PAEK hollow fiber membranes resolve chemical stability limits in aggressive solvents through covalent functionalization and segmented cleaning.

An amphiphilic polymeric coating on the filter medium improves leukocyte attraction and fluid flow while maintaining structural porosity.

Self-assembled functionalized nanoparticles coat nanochannel surfaces to reduce pore diameter and block ion transport.

Oxygen-enriched graphene oxide membranes extend cleaning periods by resolving fouling issues caused by hydrophobicity.

Embedding silver ions in a metal oxide framework prevents aggregation and swelling, maintaining high separation performance under pressure.

Multi-element membrane connectors with flow restrictors regulate permeate pressure across reverse osmosis arrays.

Replacing toxic solvents with melt extrusion and salt leaching eliminates fabrication complexity while maintaining membrane hydrophobicity.

Raising wastewater pH above 10.5 converts weakly ionized salts, preventing silica scaling and organic fouling in reverse osmosis units.

Linear rail guides enable direct fiber strand transfer between reels, eliminating buffer complexity and reducing strand loss during automated switching.

Absorbing solution maintains moisture levels in the composite hollow-fiber gas separation active layer to prevent permeability loss.

A two-side membrane fouling monitoring system groups process parameters to estimate key performance indices for real-time control.

Integrating a membrane with a steam reformer converts CO2 and VOCs into burner fuel, reducing external energy demand.

Centrifugal separation resolves filter pore blockage during lithium sorbent recovery.

Thinner permeate carrier borders reduce end thickness, allowing more leaves in pressure vessels and increasing active area.

Nanoparticles localized in the discrimination layer of hybrid nanocomposite thin film composite membranes boost flux while resisting fouling.

Sequential spray deposition of precursors creates crystalline MOF coatings, avoiding powder synthesis limitations for direct surface application.

Magnetic syringe pumps and segmented channels minimize internal volume to wash small cell volumes without excess media.

Cocasting polymer solutions creates a multilayered composite membrane that distributes viral particles diffusely to reduce pore plugging and maintain high flux.

Segmented pumps enable continuous reverse osmosis filtration while backwashing submerged modules, reducing membrane damage and energy consumption.