Biofuels TRIZ Cases

Low saturation fatty acid alkyl esters reduce phase separation temperature to prevent wax formation and filter blocking in cold climates.

Targeted mutations including C-terminus truncation and residue deletion improve detergent stability and low-temperature productivity of TS23 alpha-amylase.

Segmented breeding of inbred lines maintains harvest uniformity while improving disease resistance and yield.

Adding phospholipase A or C breaks down phospholipids to reduce foam, maintaining stable fermentation medium for ethanol production.

A recombinant yeast expresses alpha-amylase and glucoamylase to hydrolyze raw starch directly.

Mixing combustible material with a resin emulsion forms a protective coating that accelerates drying speed and reduces storage volume.

An oxy-fuel combustion system with supercritical CO2 adjusts electric power supply for unstable renewables while reducing NOx and CO2 emissions.

Central shelling stations separate corn cobs from kernels, using the biomass as renewable fuel to replace natural gas and reduce ethanol manufacturing costs.

Segmenting bagasse allows simultaneous hemicellulose extraction and steam generation, resolving the trade-off between energy self-sufficiency and sugar yield.

A lignin composition with a solvent and carrier liquid facilitates biomass processing in refinery environments.

Recycles aqueous alcohol flows during vapor explosion pretreatment, reducing separation energy costs by exploiting volatility.

High-concentration sulfur dioxide pretreatment dissolves hemicellulose barriers to accelerate enzymatic hydrolysis rates.

Controlling acetate concentration in Clostridium fermentation resolves low solvent yield from lignocellulosic biomass sugars.

Pre-adapting recombinant yeast to acetic acid overcomes fermentation inhibition, boosting ethanol productivity from woody biomass.

Acid soaking and enzyme treatments release fermentable C5 and C6 sugars from corn fiber wet cake for ethanol conversion.

Reverse osmosis membrane filtration removes fermentation-inhibiting substances from sugar liquids to lower energy consumption.

Epoxide reaction lowers viscosity and pour point of fatty acid glycerides, eliminating engine modification needs for renewable fuel use.

Overexpressing STL1 polypeptides in modified yeast lowers glycerol and acetate levels, resolving the trade-off between ethanol yield and yeast robustness.

A merged mid-infrared and infrared light beam enables simultaneous in-situ detection of multiple gas species using quantum cascade lasers.

Sulfonated olive carbon catalyst enables transesterification of waste olive oil into biodiesel with high yield.

Beta-xylosidase polypeptides catalyze xylan hydrolysis to resolve low conversion efficiency in lignocellulose degradation.

Combining hops acid extracts with organic acids reduces undesirable microorganism concentrations in fermentation systems.

Roller mills create fibrous biomass structures treated with peroxide to prevent spontaneous combustion during storage.

Continuous gas stripping extracts n-butyraldehyde from microbial cultures, preventing degradation and boosting yield without high-energy chemical catalysis.

Engineered microbes express specific enzymes to catalyze 1,3-butanediol synthesis from renewable feedstocks, replacing unsustainable petrochemical routes.

Mechanical filtration replaces energy-intensive evaporation to recover oil and reduce solid content in recycled backset.

Zinc chloride solvation extracts sugars while sodium hydroxide precipitates amorphous cellulose, reducing solvent consumption.

Heating mixed waste melts plastics into a dense solid fuel composition.

Zirconia-supported tungsten and nickel oxides optimize Lewis to Brønsted acid site ratios, reducing coke formation and hydrogen loss in bio-crude production.

Engineered microbes express methanol dehydrogenase and RuMP pathway enzymes to convert methanol into liquid fuels.

Targeted amino acid substitutions in glucoamylase variants resolve the trade-off between thermo-stability and specific activity for efficient starch conversion.

Sealed retorts enable indirect heating of biomass via hot flue gases, preventing dust emissions and oxidation during pyrolysis.

Overexpressing the AZF1 gene stabilizes extrachromosomal maintenance to increase ethanol production from xylose feedstocks.

Composite biomass fuels replace lead additives in 100 LL aviation fuel while maintaining required octane ratings.

Segmented combustion and regenerative heat exchange improve heating value while the ceramic membrane removes nitrogen to boost energy efficiency.

A segmented charcoal briquette embeds combustible lumps in an ignition agent mixture to enable rapid heating.

A continuous extraction process recycles pressate solvent to reduce consumption.

Optimizing oxygen levels maintains gluconic acid between 3 to 80 g/kg glucan, accelerating cellulose conversion and reducing enzyme dosage.

Split sugar alcohol injection along a catalyst bed moderates reactor temperature, reducing coke production and extending catalyst lifetime.

A bifunctional catalyst dehydrates isobutanol and cracks olefins in a single reactor to produce propylene.

Pretreating lignocellulosic biomass using deep eutectic solvents composed of choline chloride and organic acids to enhance enzymatic digestibility.

Serial deep bubble column reactors with microbubble injection achieve high syngas conversion while preventing carbon monoxide inhibition.