Landfill Technologies TRIZ Cases

See how a woven glass fibre web impregnated with carbon particles and coated with vacuum-deposi

See how a woven glass fibre web impregnated with carbon particles and vacuum-coated with metal

See how tufted synthetic elongate elements create turbulent boundary layers to resist wind upli

A throttled extraction control keeps landfill gas flowing at a minimum rate to maintain negative pressure and prevent environmental escape.

A spring-loaded throttle maintains minimum landfill gas flow to avoid positive outlet pressure and reduce control energy demand.

Alternating gas sampling and ambient-air purge protects sensors while enabling continuous landfill gas monitoring and automatic wellhead adjustment.

A throttle with a built-in minimum opening maintains landfill gas flow, preventing positive outlet pressure and lowering actuator energy use.

Ground-anchor tethering and mechanical clamping secure landfill covers without sandbags, tires, or adhesive while maintaining a tight gas seal.

Elongated couplers link wire lines, chains, and tarp sleeves to prevent bunching, reduce damage, and ease landfill tarp winding.

Alternating sampling and purge cycles let sensors track landfill gas and adjust wells automatically, reducing manual visits and leak delays.

A sacrificial shear pin lets a compactor cleaner finger pivot free under overload, cutting stuck-fastener downtime while maintaining wheel traction.

Partition plates maintain the narrow gap around a PC well and limit air-lift reach, improving earth removal while preventing outside soil draw-in.

This case uses a disordered plastic-sand composite to support landfill drainage and filling while reducing gravel impacts.

Heated air evaporates soil moisture while a mechanical mixer exposes the material, eliminating time-consuming soil handling.

A barge system with a spreader and controller deposits capping material slurry evenly across the water body bottom.

Mineral foam seals steep potash heaps by absorbing rainwater and promoting evaporation, reducing leaching and drainage costs.

Multi-tier friction spikes on geomembranes increase interface direct shear strength by 20% to resolve slope instability in seismic zones.

Automated valve control adjusts landfill gas extraction rates based on real-time sensor measurements of methane concentration and energy content.

A composite soil barrier material combines coarse aggregate with hydratable clay-coated particles to achieve low permeability.

Dehydrated clay mixed with anionic polymers forms a dispersed structure that enhances water adsorption and swelling capacity.

Thermal lamination bonds a PVC outer layer to an EVOH core, resolving flexibility versus solvent resistance trade-offs.

Replacing cement slurry with polyisobutene reduces production costs while preventing groundwater contamination in landfills.

A two-layer membrane uses water-soluble polymer and vegetable fibers to seal contaminated soil.

Segmenting deep well vacuum from near-surface atmospheric flow prevents air entrainment while the gasket seals the geomembrane to stop leakage.

Automated flare control based on continuous sensor readings reduces propane consumption and eliminates manual sampling errors.

A bentonite clay and synthetic fiber mixture adheres to bulk waste piles to form a durable protective layer.

A century-lasting landfill moisture barrier uses accelerated aging tests to verify synthetic layer integrity.

Water-permeable geotextile tube mats filled with waste slurry shield sealing layers from UV radiation and mechanical damage without heavy machinery.

Sand ballasted synthetic grass over impermeable geomembrane resists wind uplift and controls erosion on steep waste site slopes.

Transverse cable pockets and reinforced straps anchor ballast loads, preventing dislodgement and seam tearing under high wind forces.

Gas collection system extracts landfill gas to draw ambient air into the waste body for aerobic organic decomposition.

Replacing swellable clay with a cement and fly ash mixture simplifies processing while maintaining sealing wall stability.

Cured water-soluble polymer composites create impermeable barriers that prevent methane escape from landfills, enabling fuel generation and reducing fire risks.

Condensed phase cryogenic fluids freeze hydrocarbon pollutants into solid aggregates for physical removal, eliminating ecosystem harm from chemical agents.

Composite landfill barrier system combines HDPE geomembrane with medium-fine sand clay layer to prevent groundwater infiltration and maintain unsaturated state.

Bentonite clay cover adsorbs gaseous components to prevent odor permeation through the material layer.