Waste Based Fuel TRIZ Cases

See how pyramidal and spheroid briquet geometries with surface dimples enable close random pack

A transparent hopper window and movable baffle let users check pellet level and remove unused pellets for faster flavor changes.

A PEDOT:PSS sensing film enables compact methane detection at room temperature, cutting power use, size, and equipment cost.

Neutral pH and redox catalysts cut oxygen and carboxylic acids in syngas conversion, enabling direct recycle of reaction water.

Separated nitrogen, sulfur, and carbon feeding in an MEC sustains methane production while cutting nutrient waste and operating cost.

Fibers and low binder content let high-moisture mineral fines form stable briquettes without drying, improving transport strength and reaction access.

Sequential outer and inner surface heat treatment gives forming rollers high outer hardness and lower inner abrasion, extending service life.

High gas feed rates and elevated pressure help methanogenic bioreactors raise methane productivity and concentration from hydrogen and carbon dioxide.

Polymer dissolved in solvent is mixed into biomass before densification to raise heating value, cut moisture, and strengthen fuel pellets.

A two-sided cutting edge with pellet-forming ribs cuts pellets directly from solid wood, avoiding shredding, pressing, transport, and extra energy use.

Depleted reservoirs can require uneconomic energy input; stimulating indigenous microbes to generate methane improves oil flow and sweep.

Specific amino acid substitutions transform wild type Cel5a into a robust enzyme that digests cellulose at higher temperatures without harsh pretreatment.

A fluidized bed reactor uses carrier particles to host nitrifying, anammox, and denitrifying bacteria for ammonia removal.

Recombinant microorganisms expressing mvaE and mvaS genes replace toxic organic synthesis to increase mevalonate and isoprenoid yields.

Separating char from crude syngas allows independent oxidation in a second reactor, reducing capital intensity while improving product gas quality.

Vacuum processing reduces low rank coal particle size while a binder creates stable fuel pellets, minimizing coal fines generation.

A reverse beta-oxidation cycle using type II fatty acid synthesis enzymes produces hydrocarbons while bypassing energy-intensive malonyl-ACP synthesis steps.

Recombinant host cells express decarboxylase enzymes to convert 2,4-pentadienoate into 1,3-butadiene from renewable substrates.

Sequential bacterial reactors convert carbon dioxide into hydrogen and methane, reducing energy consumption compared to electrolysis.

Solid additives combine with lignin to facilitate separation from biomass liquor during acidic hydrolysis.

Sequential ebullated bed reactors and fixed bed hydrocracking reduce aromatics to raise cetane numbers and smoke points in diesel and kerosene.

Culturing engineered yeast maintains cell viability while producing high-purity isoprene, reducing purification costs compared to petroleum cracking.

Engineered microbes produce bioisoprene from biomass, reducing energy consumption and environmental impact compared to petrochemical thermal cracking.

Preheating solvent before extraction increases ashless coal yield while managing energy consumption.

Parallel reactor lines increase throughput while common downstream systems manage device complexity in liquid fuel production.

Aluminum chloride extraction generates neutral waste suitable for anaerobic fermentation, converting diosgenin residues into renewable biogas energy.

Adjusting biomass pH below 3.5 destroys competing bacteria without heat sterilization, reducing manufacturing costs and increasing hydrogen yield.

Replacing volatile agricultural feedstocks, engineered hosts use synthetic operons to stabilize hydrocarbon production via the mevalonate pathway.

Enzymatic aldol addition converts renewable aldehydes and pyruvate into intermediates, boosting adipic acid yield while replacing petrochemical feedstocks.

Proteolytic enzymes break down proteins into amino acids, increasing nitrogen availability to accelerate fiber-rich substrate degradation.

Genetically modified cells produce 60.5 g/L isoprene, replacing expensive petroleum purification.

Hydrotreating and hydrocracking coal tar to isolate single-ring aromatics for downstream processing.

Segmenting the paraffin mixture into a protruding element isolates flammable material, eliminating burn risks during handling.

Methanogenic bacteria metabolize organic carbon to produce methane gas in the first reactor of a wastewater treatment system.

Adding specific C3-C5 monocarboxylic acids modulates bacterial physiology, resolving low yield and poor reproducibility in anaerobic fermentation.

Chemical amendments stimulate microorganisms to metabolize carbonaceous material into hydrogen-rich metabolic products.

Rumen fluid converts cellulose waste into organic acids using cysteine, avoiding high enzyme costs and environmental burdens.

A thermal drying system converts sludge into biofuel using recirculated high-temperature gas to reduce moisture content.

Organic binders bridge coal particles into dense pellets, eliminating high-pressure compression and expensive binder costs.

Segmented lignin oligomers resolve crosslinking complexity to yield self-healing elastomers with adjustable mechanical strength.

Anaerobic ammonium oxidation removes ammonia from liquid fractions, preventing methanogen inhibition and boosting biogas yield.

Recycling carbon dioxide and water vapor into the gasification reactor eliminates external supply needs while increasing carbon conversion efficiency.

Tangential inlet cyclone drives self-sustaining circulation via biogas turbulence, eliminating high pump energy consumption.

Centrifugation removes suspended solids from digestate, preventing ultrafiltration membrane clogging and enabling continuous treatment.

Segmented hydrolysis stages break down polymer chains to produce high-purity chemical products while minimizing greenhouse gas emissions.

Metal hydride and supported catalyst convert solid plastic waste into liquid fuels, reducing toxic gas release from incineration.

Engineered microorganisms overcome inert C-H bond stability to convert methane and ethane into valuable fuels via fumarate addition.

Converting organic waste into medium chain fatty acids through segmented fermentation and biomass separation, replacing unsustainable coconut oil sources.

An equilibrium approach reactor processes variable gasification materials to produce stable syngas at high temperatures.

Continuous microfiltration separates and recycles oleaginous yeast cells, tolerating toxic hydrolysate compounds to boost lipid productivity.

Zinc vapor reacts with water to yield high-purity hydrogen gas, eliminating costly carbon monoxide removal steps required by conventional biomass gasification.