Membranes TRIZ Cases

Cross-linking vermiculite nanosheets with diamines prevents aqueous delamination, resolving the trade-off between mechanical strength and water stability.

A neural network control system adjusts operating conditions to maintain product stream compositions within desired concentration ranges.

Embedding brittle MOFs in flexible polymer matrices resolves manufacturing contradictions while maintaining high reactivity against nerve agents.

Deformable protrusions on a membrane element sealing member accommodate center tube diameter variations during insertion.

A solenoid valve cycles sweep gas to eliminate continuous purging and reduce energy consumption in membrane dryers.

Ultra-thin PEBA films under 75 μm gain mechanical strength from porous scaffolds, resolving the trade-off between high pervaporation rates and durability.

A membrane unit selectively permeates xylenes within a recovery loop to separate non-aromatic compounds from the process stream.

Thermochromic polyvinylidene fluoride binder turns black when fully cured, allowing operators to adjust heating conditions and prevent incomplete binding.

A hollow-fiber filter module combined with a polymer sorbent removes toxins from blood via an extracorporeal circuit.

Applying a seeding slurry to a metal oxide surface pre-treated with alkali or alkaline earth metals enables strong adhesion for complex shapes.

A slot-die coating head steadies a porous web against an offset positioning element to deposit dope layers on both sides simultaneously.

Injection molding automates formation of porous sintered bodies, reducing waste and improving uniformity for semiconductor filters.

Controlling pyrolysis temperature and trace oxygen concentration resolves the selectivity-permeability trade-off in olefin-paraffin separation.

CO2-absorbing polymers create osmotic pressure to bypass Carnot limits, achieving over 35% thermal efficiency.

A non-energized sensor detects liquid flow from storage tanks in purification units, resolving ignition risks while maintaining measurement precision.

Switching electrode pairs and electrolyte positions in reverse electrodialysis compartments enables controlled polarity reversal.

Optimized support surface roughness enables uniform selective layer formation, preventing pinholes that reduce selectivity and process stability.

A polymeric hollow fiber membrane features a thin crosslinked selective layer formed by thermal condensation and crosslinking of a polymer precursor.

Composite alumina and silica membranes maintain structural integrity under high pressure while enabling efficient helium recovery.

Parallel water separation membrane units with a spare unit enable replacement during operation, eliminating downtime for solvent dehydration.

Asymmetrical filter membranes remove cell fragments to prevent pore clogging in oil extraction formations.

A reverse osmosis filtration system uses a pump unit to selectively move raw water into the filtration unit.

Optimized vent ratios in anti-telescoping devices prevent membrane unwinding while sustaining gas flow through spiral wound modules.

Pressure-driven cross-flow ultrafiltration removes endotoxins from bacteriophage preparations, achieving therapeutic purity levels below 5.5 EU/mL.

Silica nanoparticle templates enable shape memory polymers to cycle optical transmission in air and solvents without degradation.

A filter bag electroosmosis system moves water down a slope to reduce sludge moisture content below 30 percent.

Dissolving metal salt templates creates controlled porosity, solving manufacturing precision issues.

Electrodialyzer cellstack maintains base chamber pH above 10.0 to convert ammonium chloride into ammonia.

A membrane distillation apparatus uses a hydrophobic porous hollow fiber membrane to separate steam from liquid water.

Eliminate calcination energy consumption by synthesizing OSDA-free CHA zeolite membranes with alkali metal hydroxides.

A hydrophilic desiccating filter cartridge absorbs moisture from the membrane to preserve environmental DNA samples at ambient temperature.

A composite filter combines a cationically charged microporous membrane with an asymmetric porous membrane to remove silica from ultra pure water.

Atmospheric storage tank eliminates bladder complexity and pressure fluctuations by maintaining constant atmospheric pressure for reverse osmosis systems.

Metal-coordinated polyimide resin resists plasticization under high pressure while maintaining high gas permeability.

A pyridinium styrene sulfonate monomer solution enables high-capacity cation exchange membrane production.

Hollow fiber membranes deliver gaseous feedstocks directly to microbial biofilms for enhanced metabolic conversion.

Segmented suspension enables individual element replacement, reducing maintenance downtime and costs.

Protrusions with specific width ratios in the separation layer boost water permeability under low pressure while maintaining salt rejection reliability.

Integrating a nanofiltration unit before solvent extraction reduces acidic leaching volume by 60% to 70%, lowering capacity demands.

A water purifying system uses magnetic repulsion between pistons to switch flow paths and reduce energy consumption.

Afx zeolite membranes achieve high separation performance by controlling crystal orientation during hydrothermal synthesis.

Non-spherical acrylic pore formers create uniform pore size distribution in porous inorganic membranes.

A membrane separator removes carbon dioxide from direct contact steam generation gas mixtures to produce high purity permeate.

A reverse osmosis filter housing uses a floating key lock to secure the cartridge during operation.

A concentration device uses a U-shaped tube housing a hollow-fiber membrane to separate subject solutions into concentrate and permeate streams.

Segmented V-shaped cassettes bridge via full walls to reduce material usage and simplify assembly.

A spiral-wound acid gas separation membrane element uses an epoxy adhesive sealing section to fill the gap between the permeate-side channel component and the separation membrane.

A porous membrane with a bead structure enhances tensile strength and water permeability.

Segmented filter units with impermeable spacer faces resolve backpressure limits during scale-up while maintaining high binding capacity.

Rotating cylindrical drum generates continuous centrifugal pressure across semi-permeable membrane elements.