Biofuels TRIZ Cases

Increasing aconitase and acetaldehyde dehydrogenase activities in modified Enterobacteriaceae bacteria improves L-lysine yields from ethanol carbon sources.

Sequential basic and acidic heating separates plastic coatings from paper pulp, converting waste into high-energy-density fuel solids.

Halometallate ionic liquid catalyst oligomerizes C2-C6 olefins to produce saturated distillate-range hydrocarbons with high conversion and selectivity.

Membrane filtration concentrates hemicelluloses from biomass extracts to produce ethanol and acetic acid.

Engineered ketol-acid reductoisomerase enzymes increase isobutanol yield by reducing substrate competition and inhibition during biosynthetic conversion.

Two-stage enzymatic hydrolysis process optimizes sugar yields from lignocellulosic biomass using dynamic temperature control.

Modified yeast consumes xylose via introduced enzymes, resolving industrial fermentation bottlenecks.

Dispersing high aromatic solvent droplets in a fatty acid methyl ester base prevents premature flashing and improves heavy oil recovery efficiency.

Engineered Meripilus giganteus protease variants with specific amino acid substitutions to maintain residual activity at elevated temperatures.

Segmented tablets with gelling agents release nutrients over days, eliminating manual additions that cause stuck fermentations.

Pyrolyzable fragrance derivatives decompose at elevated temperatures to release a distinct odor signal.

Overlay fermentation process segments sugar conversion into distinct stages, reducing energy costs and preventing enzyme inhibition.

A biomass cascade pyrolysis system converts unstable new energy power into stable chemical fuels and chemicals.

Segmenting material flow in a rotating drum dryer reduces impact wear on bulkheads while maintaining efficient shock drying of domestic waste.

A single-reactor process converts biological triglycerides into saturated hydrocarbons using bifunctional catalysts.

Optimizing acid concentration and temperature during guayule biomass hydrolysis to maximize sugar yield while minimizing fermentation-inhibiting by-products.

Segmented impurity removal processes sewage suspensions to yield high cellulose feedstock with controlled mineral and sand content.

Adding S53 serine protease to saccharification overcomes low yields from conventional enzyme combinations.

Adjustable gas and material diverters route hot gas streams between drying and thermal treatment units for flexible operation.

Enzymatic transesterification creates fatty acid glycerol esters to resolve low lubricity in hydrotreated vegetable oil blends.

Prepyrolysis and water leaching remove inorganic constituents from biomass, preventing corrosion and emissions during thermochemical conversion.

Ionic liquids dissolve cellulose to enable mild acid hydrolysis, avoiding extreme temperature requirements.

Stainless steel hearths with radiant tubes cut capital costs and thermal inertia in low-temperature biomass processing.

A mixed transition metal iron catalyst removes oxygen from carbon dioxide to enable selective partial oxidation reactions.

Engineered yeast expresses rumen-derived xylose isomerase polypeptides to catalyze xylose conversion.

A hardwood-derived carbohydrate composition recovers monomeric sugars through acid impregnation and steam explosion.

A two-stage leaching process removes alkali metals and heavy metals from biomass, reducing corrosion and emissions during thermochemical conversion.

GH61 polypeptides amplify cellulase action, cutting enzyme needs by 20-fold while boosting glucose yield from lignocellulosic feedstocks.

Mutant beta-glucosidase enzymes resist glucose inhibition and improve thermoactivity, enabling complete cellulose hydrolysis.

Recycled alkaline filtrate extracts hydroxycinnamic acids from cellulose biomass, reducing chemical consumption and reaction time.

Segmenting the drying chamber from the torrefying chamber reduces high energy consumption and pressure drops caused by evaporating residual moisture.

Amino acid modifications and domain fusion stabilize enzymes against heat and pH stress, enabling efficient lignocellulosic biomass degradation.

A 1550 basepair promoter sequence enables selective protein expression in filamentous fungi via specific organic acid addition.

Heterologous pyruvate decarboxylase variants optimize Km values, resolving the trade-off between ethanol yield and specific growth rate.

Gas turbine drives blower pump directly while heat exchanger recovers exhaust energy to cut energy losses by 40%.

Tertiary amine modified copolymer depresses fuel cloud point without compromising energy content or cetane number.

Pure oxygen injection sustains in-situ combustion to recover heavy oil, separating exhaust gases to reinject CO2 and eliminate greenhouse gas emissions.

Adding oxygen during enzymatic hydrolysis of cellulosic material forms xylonic acid, reducing sugar degradation and lowering enzyme requirements.

Solid-supported ionic liquid catalysts penetrate crystalline cellulose domains to improve sugar yield while reducing energy consumption.

Engineered yeasts with invertase and disrupted PDC genes convert sucrose into organic acids, resolving substrate inefficiency.