Solid Waste Management TRIZ Cases

Serpentine tailings are converted into amorphous silica pozzolane that replaces scarce SCMs while improving concrete strength, permeability, and durability.

Binder fraction modeling lets biochar act as both SCM and aggregate, raising carbon storage while maintaining concrete strength.

A composite cement slurry uses nanosilica, nano-alumina, and activated carbon to resist CO2 corrosion while maintaining strength and low permeability.

Porous hydrated calcium silicate aggregates in a gypsum matrix cut shrinkage and density while preserving fire resistance and strength.

Blast furnace slag with dual fiber reinforcement improves bending strength and dimensional stability in paper-made cement boards.

A dry aluminosilicate blend enables geopolymer formation with minimal water, faster solidification, and no corrosive alkaline solution stage.

Short fibers in cementitious tile adhesive improve slip resistance and flexibility, helping tiles stay in place on walls and inclined surfaces.

Metakaolin and methylcellulose improve hemp-lime concrete cohesion and compressive strength while reducing hydraulic binder use and emissions.

Elemental mercury is converted to mercury sulfide and locked in an ettringite matrix to avoid extra solidification, oxidation instability, and leaching.

By removing organic fibers and blending waste powders to a target Ca/Si ratio, this case improves carbonated SCM quality and mortar strength.

Adjusting dissolved silicon and aluminium before CO2 curing forms carbonate binders that cut cement use and enable carbon-negative concrete.

A foamed gypsum core and acoustically transparent non-woven layers absorb sound without visible perforations, preserving smooth surfaces and strength.

Rotary drum abrasion and fine grinding remove residual cement paste from recycled concrete, improving aggregate quality and reducing additive demand.

Aramid fibers withstand autoclave curing in fiber cement, preserving strength and fire resistance while reducing cellulose content.

Metakaolin and methylcellulose help lime-hemp concrete cut hydraulic binder use while improving strength, insulation, and GHG impact.

A carbon blocker with a water-reducing agent limits unburned carbon adsorption, stabilizing concrete air volume with less AE agent.

A dual-Portland cement particle size mix speeds UHPC strength gain to 130 MPa in 24 hours while retaining self-levelling behavior.

Using naturally calcined clay from coal spoil heaps cuts clinker demand, lowers CO₂ and energy input, and improves concrete hydraulic properties.

Metakaolin-rich cement slurries raise compressive strength while preserving pumping and thickening time at low solid volume for well cementing.

Carbonating steel slag with sodium gluconate captures CO2 and creates a cement substitute that maintains concrete and mortar strength.

A one-part acrylic dispersion grout uses cross-linking binders and additives to match epoxy-like water, chemical, and durability performance.

Modified biochar adds hydrophobicity and conductivity to cement, reducing water uptake while enabling real-time stress-strain monitoring.

Carbonized bagasse, fly ash, and sodium silicate turn lead-contaminated soil into lawn bricks with low lead leaching and usable strength.

A cement-latex sealing barrier with UV inhibitors resists weathering while preserving adhesion, flexibility, and low permeability.

Homogeneous granules combine binder and carbonized product at high loading to cut adaptation cost, avoid grinding, and support CO2-negative building materials.

Silica fume replaces unstable conventional water reducers in alkali-activated materials, improving flowability and compressive strength in alkaline mixes.

A milled lime, limestone, and pozzolan blend replaces fly ash in mine backfill to stabilize compressive strength and cut emissions.

A tuned biochar-to-slag ratio cuts tile adhesive GWP by 24% while maintaining tensile adhesion and extending open time for porcelain tiles.

Using waste paper ash to replace part of cement, this concrete case shows accelerated carbonation curing that stores CO2 and maintains strength.

Triple-modified dolomite powder improves solubility, water retention, and cement hydration to reduce bleeding and raise concrete strength.

Carbon dioxide curing turns metallurgical slag into a concrete binder, cutting cement use, landfill waste, and emissions while maintaining strength.

High EAFD replacement in alkali-activated composites improves flowability and strength while cutting water and alkaline activator demand.

A slag-lime-filler binder with water-reducing polymer keeps low-water concrete mixable while preserving rheology, open time, strength, and durability.

Prefabricated poured silica modules cut coke oven mortar joints while improving corrosion resistance, strength, and baking speed.

Mechanical membrane fixing avoids adhesive loss in flat roof insulation, while a lignin-based binder improves strength, aging resistance, and fire safety.

Controlled premix temperature and a composite activation system improve activated slag concrete fluidity, early strength, and robustness.

Hot treated fly ash is cooled by mixing with untreated ash, cutting cooling complexity while producing low-carbon material for concrete.

Partial intergrinding and size-segmented SCM blending maintain early strength while cutting Portland cement use, water demand, and waste.

A regulated cement blend cuts pH below 11 while preserving early strength and fluidity for radioactive waste repository construction.

A pozzolan-based alkaline binder replaces clinker to cut CO2 emissions while improving acid resistance, strength, shrinkage, and workability.

CO2 injection carbonates slag slurry at pH 6.0-12.0 to extend geopolymer working time while maintaining strength and avoiding energy-intensive curing.