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.