Hydrocarbon Preparation Catalysts TRIZ Cases

Multifunctional catalyst converts ethanol to butadiene, overcoming low selectivity and conversion limits of conventional systems.

Iron or cobalt salt catalysts with organoaluminum compounds boost alpha olefin production efficiency.

Stepped temperature dehydration reduces byproduct formation and fouling, lowering capital costs while maintaining high ethene yields.

Segmented reactors use pressure gradients to recover heat from effluents, eliminating compression utilities.

An alkylation reactor system operates in alkylate and distillate modes using an acidic ionic liquid catalyst to produce high quality gasoline blending components.

A loop reactor process for alkylaromatics production uses incremental catalyst contact and pre-reaction temperature adjustments to achieve tighter isomer distribution.

An intermediate layer prevents active-site sintering during high-temperature alkane dehydrogenation, maintaining stability above 600°C.

Lewis acid sites on a solid catalyst convert biomass-derived feedstocks into linear alpha olefins, avoiding expensive homogeneous catalysts.

Hydrocyclones replace high RPM mixers to control droplet size, eliminating shaft seal failures while maintaining separation efficiency.

A dual catalytic system couples light alkanes with alkenes to form diesel-range products at mild temperatures, avoiding statistical distribution.

A pincer-iridium catalyst enables selective dehydrogenation of saturated carbocyclic compounds, reducing regio-isomer waste and improving conversion yields.

Low-temperature drying of heteropolyacid catalysts extends lifetime and boosts ethene productivity during ethanol dehydration.

Solid acid catalysts enable high conversion of aqueous alcohol solutions without liquid acids or energy-intensive water removal.

A hydroformylation reactor system regulates aqueous phase discharge flow rates using temperature measurements at the reactor sump.

Solid oxide catalysts replace solution-based systems to increase trimer yield while reducing manufacturing complexity.

Segmented reactor train with varying dimensions manages thermal profiles during butanol dehydration.

Heteropolytungstic acid catalyst enables ethene production through controlled reactor wetness, reducing ethane by-products below 600 ppm.

Reverse disproportionation of paraffins using an ionic liquid catalyst and carbocation promoter to selectively produce intermediate carbon count hydrocarbons.

Horizontal line and boot mechanism separate alkylation catalyst from hydrocarbons, preventing downstream corrosion.

Ortho-substituted PNP ligands maintain catalyst activity at mild temperatures, preventing polymer fouling while ensuring high 1-octene selectivity.

Replacing cryogenic columns with selective membranes lowers capital costs for small-scale butylene plants.

A zero-valent iron and phosphorus co-modified carbon catalyst enables continuous gas-solid synthesis of 1,1,1,3-tetrachloropropane in a fixed bed reactor.

Low ionic liquid volume fraction reduces operating costs while maintaining high research octane numbers and C8 selectivity.

Composite catalysts crack polystyrene to ethylbenzene at 250°C, resolving the contradiction between high reaction temperatures and insufficient liquid yields.

Amine additives complex catalysts before caustic deactivation, preventing organic chloride formation and improving product purity.

Controlled washing parameters remove chloride ions and prevent inactive alpha-Fe2O3 formation, resolving corrosion issues in oxidative dehydrogenation.

Catalytic oxychlorination followed by cracking converts ethane to ethylene, eliminating thermal cracking byproducts that limit yield.

Hydrates ethylene by-products within the reaction sequence to maximize yield and reduce separation equipment complexity.

Adding organic amine to ethylene oligomerization reactors enhances mixing efficiency and suppresses side reactions.

Segmented reactor stages with a high-temperature final unit minimize diethyl ether formation while reducing overall energy consumption.

Bifunctional catalyst with oxide support and transition metal enables selective alkyl-demethylation, minimizing aromatic ring loss during xylene production.

Redox catalyst with alkali metals and rare earths converts ethane to ethylene, minimizing carbon dioxide formation.

Nitrogen heterocyclic polymer sequesters Group VIII catalyst metal from carbonylation process streams, enabling direct recycling and minimizing loss.

Segmented manganese oxide clusters on oxide supports suppress active site agglomeration and sintering during alkane oxidative dehydrogenation.

Partially neutralised heteropolyacid catalysts extend operational lifetime through controlled cation substitution.

Magnesium aluminate supports tungsten particles to produce high-purity linear alpha-olefins, reducing internal isomer formation and separation costs.

Butylene-excess feed ratios with a tungsten hydride alumina catalyst boost propylene conversion and selectivity while maintaining catalyst stability.

Multi-stage adiabatic fixed bed reduces total energy consumption by replacing steam with nitrogen or carbon dioxide diluents for temperature control.

Continuous butene oligomerization with isobutane separation overcomes low space-time yield in refinery raffinate 2 streams by recycling unreacted butenes.

Trifluoromethanesulfonic acid catalyzes primary alcohol dehydration at moderate temperatures.

Supplemental hydrogen removes free oxygen from dehydrogenation catalysts through combustion, preventing unsafe buildup during start-up and shutdown.

Dual reactor segmentation synthesizes tri-alkylsubstituted aromatics using strong acid catalysis.

Centrifugal separation isolates ionic liquid from hydrocarbon effluent, eliminating water addition steps that deactivate the catalyst and increase consumption.

Segmenting feed streams prevents low-octane paraffin formation, maintaining octane levels while meeting olefin specifications.

Segmented precursor synthesis reduces total time for amorphous fluorescent materials, achieving 61-73% quantum yield.

Catalytic demethylation of isooctane eliminates metal halide waste from stoichiometric synthesis.

Tungsten hydride catalyst on alumina converts symmetrical olefins to propylene, addressing insufficient yield from steam cracking.

Aluminum-supported dehydrogenation catalyst containing group 14 metal and platinum overcomes thermodynamic equilibrium constraints during indene production.

A quench cooling means halts thermal reactions between the fluidized reactor and cyclonic separation system.

Mixing sulfur-containing streams with heated feeds in fluidized bed dehydrogenation reactors to protect catalyst surfaces.