Chemical Liquid Solidification TRIZ Cases

pH-driven precipitation and redissolution purify lead from spent lead-acid batteries while avoiding smelting cost and harmful byproducts.

pH-driven lead salt precipitation replaces battery smelting to purify recycled lead with lower cost, simpler equipment, and fewer harmful byproducts.

Deep hydrogen removal between reactors enables a multimodal polyethylene pipe composition with higher impact strength and 12.5 MPa pressure resistance.

Dissolved reactants and decantation produce high-purity polyolefin catalyst particles at 2-4 μm while maintaining productivity.

Single supply and return headers simplify loop slurry reactor cooling while maintaining temperature control and reducing pipe length and pressure drop.

A vapor-liquid ethylene feed to the second reactor cuts solvent demand and raises polymer output while keeping feed composition within process limits.

Detachable single discs and progressive scrapers thin high-viscosity PETG or PCTG melt films, improving devolatilization, cleaning, and hue.

Parallel transfer vessels move separated polymer solids between series polymerization zones while limiting reactive gas carry-over and contamination.

An agitator-mounted distribution path feeds polymer latex into the coagulator to limit foam and chunks while narrowing particle size.

This case shows how controlled dual outlets preserve bed-level stability and polymer recovery when one gas-phase reactor outlet plugs.

Catalyst selection, gas ratios, feed ratios, and residence time preserve bimodal polymer properties during plant scale-up.

Internal induction heating elements deliver uniform thermal distribution, eliminating heat transfer fluid losses and reducing energy costs.

Integral gas liquid separator in a fluidized bed reactor manages phase separation for efficient cooling.

A lubricant composition with hydroxycarboxylic acid derived additives reduces the coefficient of friction in mechanical systems.

Mechanical knockers apply specific impact energy to a tapered reactor wall, preventing polymer deposit formation during droplet polymerization.

Aqueous suspension heat treatment removes residual styrene from polystyrene and crosslinked polyvinylpyrrolidone co-extrudates.

Using heated hydrocarbon purge gas to strip unreacted monomer from polyolefin solids eliminates inert gas costs and material loss.

Deliver homogeneous single-site catalyst via aliphatic hydrocarbon suspension to eliminate aromatic solvent costs and separation complexity.

A segmented cylindrical plug design for polymerization unit manholes enables smooth insertion and removal of closure members.

Acoustic standing waves guide suspended particles to pressure nodes within a solidifiable fluid to form periodic structures.

Segmented thermal treatment under nitrogen and vacuum removes semi-volatile impurities without causing discoloration.

A polyethylene homopolymer composition blends low and high melt index ethylene homopolymers to enhance barrier performance.

Eliminates energy-intensive solvent stripping by conducting polymerization and functionalization in bulk phase with a kneader reactor.

A compact polymerization apparatus uses multiple LEDs and integrated heat sinks to deliver high-intensity light for efficient curing.

Static inserts rotate flow paths between internal heat exchangers, separating boundary layers from channel walls to increase heat transfer coefficients.

Segmented injection stages mix catalyst components in dedicated conduits to prevent fouling and plugging in polymerization reactors.

A polymer devolatilization process mixes reactor effluent with concentrated solution before heating and pressure letdown to separate volatiles.

Multi-stage distillation removes accumulating inert C6 isomers to lower energy consumption and stabilize polymer density.

Introducing halogenated hydrocarbon compounds into olefin polymerization reactors increases production rates without altering catalyst composition.

Varying cross-sectional area in the lens housing accelerates flushing gas momentum to protect optical components from contamination.

Angled holes in a droplet plate introduce monomer solution radially, preventing coalescence and ensuring uniform distribution across the reactor cross-section.

Comminuting aqueous polyacrylamide gel reduces water content, eliminating energy-intensive drying steps.

A quantum dot synthesizing vessel uses a microwave absorbing outer part to deliver energy through openings for uniform heating.

Segmented flashline heaters vaporize polymer diluents via stacked zones, eliminating residual liquids in fluff.

Dual nucleating agents and a segmented elastomeric phase improve stiffness and impact strength while maintaining melt flow rate for downgauging.

A continuous polymer production apparatus uses a baffle to narrow the gas phase cross-section between reaction vessels.

Variable paddle diameters manage viscosity gradients to enable continuous production of uniform high-molecular-weight polysiloxanes.

A discharge pipe enables solid particles to settle and return to a reaction crystallizer while clear liquid flows upward into a separate tank.

A chemical reactor uses permeable membranes to separate reactant solutions and enable continuous two-dimensional polymer film formation via a draw-out roller.

A single gas phase reactor processes polyolefins with high ethylene-propylene rubber content.

A reaction device creates a directional concentration gradient using a continuous phase to solidify polymer microspheres.

Sequentially connected reaction cells move the polyarylene sulfide mixture via gravitational flow, eliminating energy-intensive transfer equipment.

A co-vaporization reactor synthesizes hybrid composite powder by simultaneously evaporating multiple precursors into a single gas stream.

Water treatment of particulate polystyrene blends extracts residual styrene monomers, preventing sensory impairment in food applications.