Membranes TRIZ Cases

Upstream spiral wound bioreactors consume bio-nutrients to prevent biofouling on downstream hyperfiltration membranes, eliminating oxidant dosing complexity.

A crosslinked polyvinylpyrrolidone hydrogel adheres to the reverse osmosis membrane surface.

Two-stage membrane separation uses selective permeability and vacuum pressure to extract high-purity carbon dioxide while minimizing energy consumption.

A filter structure uses a polymer membrane and mesoporous silica nanoparticles to remove contaminants from chemical fluids.

Integrating hydraulic connections into a single monobloc eliminates steel frames and piping, reducing leaks and corrosion.

Segmented impurity removal and membrane concentration improve lithium carbonate purity while extending ion exchange resin service life.

Alternating thickness strands decrease pressure drop by up to 35% and reduce biofouling while maintaining channel integrity.

Self-assembled nanocomposite membranes overcome the Robeson plot tradeoff by combining high permeability with superior selectivity for natural gas purification.

Depositing mesoporous silica layers onto polymeric hollow fibers creates defect-free inorganic membranes for gas separation.

A process control system adjusts feed pump flow rates to maintain target permeate flux during single-pass tangential flow filtration.

Flow path changing valve manages water movement between storage and discharge lines in reverse osmosis systems.

Rotatable bearing elements on a centrifuge plate accommodate varying housing geometries, eliminating manual part exchange during automated potting.

Asymmetric hollow fiber membrane uses segmented layer structure to balance sieving properties and mechanical stability.

A high cut-off hollow fiber membrane with 20 to 40 nm pores removes albumin-bound toxins from blood.

Particulate polymer shields filtration membranes from abrasive wear, extending service life and reducing energy consumption in membrane reactors.

A membrane filter module uses a gasification device to generate periodic gaseous bubbles that maintain contact along the entire length of the membrane bundle.

Dynamic radiation exposure with a collimator creates uniform pores, resolving unpredictable flow rates.

A spinneret unit forms multi-channel membranes with distinct inner and outer separation-active layers using a single coagulant.

Linear fluorine-containing hydrocarbon coating on stretched PTFE membranes delivers oil repellency without reducing gas permeability.

Semi-permeable membranes isolate monomeric isocyanates via size exclusion, avoiding thermal stress that alters crosslinking properties and viscosity.

Sub-nanometer MOF membrane pores resolve low ion selectivity by sieving hydrated diameters while electric fields drive fast transport rates.

An accordion membrane assembly eliminates pleating constraints, allowing high-performance polysulfone membranes to achieve higher density and capacity.

Dynamic pump rate control based on pressure thresholds reduces procedure time and hemolysis during blood component separation.

Thermal rearrangement of ortho-functionalized polyimides creates microporous pathways that increase hydrogen permeability while maintaining selectivity.

Protic ionic liquid impregnated polymeric membranes improve CO2 selectivity and permeability, resolving performance limitations at high concentrations.

On-line wash solution dilution prevents membrane pressure buildup from high cell concentrations, maintaining target cell yield and processing efficiency.

A helical strand spacer design reduces flow disturbance in water treatment filter modules.

A membrane distillation device uses a common frame to support adjacent disc-shaped membranes, enabling independent unit replacement.

A water clarifying apparatus uses a common partition wall to feed flotation effluent directly into membrane filtration zones.

Tertiary amine catalyst synthesizes allophanate groups in MDI prepolymer to lower viscosity and maintain liquid state at ambient temperature.

Multivalent spacers link ligands to porous substrates, increasing biomaterial binding capacity while simplifying manufacturing complexity.

Blended isoporous graded films incorporate functional components during phase separation, eliminating post-fabrication steps that cause exfoliation.

Cross-flow nanofiltration dissociates and reassociates KLH subunits to achieve 99.9% virus removal while preserving protein structural integrity.

Dynamic switching between multiple feed chambers maintains process efficiency and reduces waste by managing salt concentration buildup.

Upstream spiral wound bioreactors deplete bio-nutrients via microbial metabolism, preventing biofouling accumulation on downstream hyperfiltration membranes.

A gas separation membrane uses a thin second layer to enhance carbon dioxide permeability and selective transmission.

Embed inorganic particles into hydrophobic membranes via non-solvent bath precipitation to reduce organic fouling and biofilm formation.

Ion bombardment creates latent pores before membrane deposition, preventing pore healing and enabling stable filtration.

A multi-port endcap design consolidates fluid paths within a ceramic membrane filtration assembly to streamline internal architecture.

A porous support-CHA zeolite membrane composite enhances gas permeance through controlled molecular sieve pathways.

A dual-chamber waste treatment system uses a semipermeable ion-exchange membrane to separate solid and liquid fractions for efficient processing.

Segmented rigid end plates apply localized compression to membrane compartments, preventing buckling and leakage in long desalination stacks.

Parallel hydroautomatic valves eliminate stagnant zones to prevent bacterial growth while biaxially oriented elastomer walls resist cyclic loads.

Pitch coatings on solid cores carbonize to interconnect particles, eliminating binder pitch defects and enabling uniform porosity.

Pretreatment removes silica before forward osmosis concentrates lithium, reducing membrane fouling.

Applying a polymerized bicontinuous microemulsion to flat membranes reduces fouling and biofouling while improving water permeability.