Specific silyl groups on porous inorganic supports suppress byproducts and improve long-chain nucleic acid synthesis purity and efficiency.
Controlled pore volume, median pore size, and crushing strength suppress catalyst powdering and support longer α-olefin dimerization.
Controlled conductivity, oxygen content, and pore size in activated carbon improve metal dispersion and hydrogenation catalyst efficiency.
Loose nanowires are bonded with carbon during sintering to form flexible nanocellular articles for complex turbine shapes.
This case uses soluble sugar templates and mesopore connections to balance pore order, strength, safety, and catalyst mass transfer.
Strong Lewis acid sites raise hydrocracking conversion while limiting side reactions.
Co-precipitating aluminum hydroxide with a silicon compound creates a stable porous alumina material.
Optimizing porosity to 10-40% balances catalyst capacity with thermal shock resistance in electric heating catalytic converters.
A spacecraft thruster catalyst carrier uses a porogen to control micropore size and distribution.
Titanium chelate derived TiO2 stabilizes cobalt catalysts on titania supports, reducing deactivation rates during hydrocarbon synthesis.
A metal substrate features an oxide film on fin end surfaces to protect against wind erosion in exhaust gas systems.
A catalyst powder features a zirconia-rich core and ceria-rich surface layer to manage oxygen storage capacity.
Three-dimensional substrate structure with controlled porosity carries more catalyst to boost nitrogen oxide removal without raising pressure loss.
A selective catalytic reduction process circulates denitrified flue gas to regenerate deactivated catalysts within a closed loop.
Carbon-supported copper multimetallic catalysts resolve the contradiction between productivity and reliability in glycerol hydrogenolysis.
Modified aluminum borate carrier reduces electronegativity to promote electron supply, preventing palladium sintering in rich exhaust regions.
Optimizing graphite particle size and surface area in shaped catalyst bodies improves target product selectivity during partial gas phase oxidation.
A saddle-shaped oxidation catalyst uses a nonporous ceramic support to minimize clogging and pressure loss.
A silicon carbide honeycomb structure with controlled pore diameter distribution traps particulate matter in exhaust gas.
A honeycomb catalyst support uses an alpha-alumina oxide film on fin end surfaces to resist wind erosion from exhaust gas flow.
Internal tunnels in spherical catalyst supports boost conversion by reducing pressure drop and mechanical degradation.
Solid hydrogen transfer agents derived from naphthalene polymers reduce coke formation and viscosity during heavy crude upgrading without high-pressure systems.
Controlled pH precipitation creates amorphous mesoporous alumina with high connectivity, resolving low initial content bottlenecks in gel filtration.
Diagonal sealing layers distribute thermal expansion stress across the interface, preventing partition wall thinning and enhancing durability.
Incorporating sulfur or phosphorus into mesoporous titania resolves surface instability issues while maintaining high specific surface area.
Segmented wave and flat plates assemble into a rectangular can via mechanical fixing units, eliminating brazing costs while maintaining structural integrity.
A zirconium support adsorbs rhodium using ammonium carbonate to adjust solution pH between 3.0 and 7.5 for high dispersion.
Batch spray fluidization creates layered ceramic particles that balance surface area and crush strength without post-processing.
A Lindlar type catalyst uses calcium carbonate support with an average particle size exceeding 10 micrometers to drive partial hydrogenation of carbon-carbon triple bonds.
Replacing nitrogen with carbon dioxide as a carrier gas reduces unreacted propane loss and prevents coke deposition on the catalyst.
Two-dimensional catalyst sequesters carbon during dry reforming to produce synthesis gas.
Pretreating carriers with dilute salt solutions removes impurities, maintaining catalyst selectivity without increasing reaction temperatures.
A dendritic carbon mesoporous structure provides high porosity and electrical conductivity for catalyst supports.
Flame hydrolysis yields uniform titanium-aluminium mixed oxide powder without reactor caking for catalyst support.
UV-activated chlorine dioxide on porous carriers generates free radicals to eliminate microbes and chemicals without ozone harm.
Manganese carbonate supports incorporating cobalt and ruthenium reduce gaseous byproduct formation while maintaining high CO conversion stability.
Shear-stressed nanoparticle coating reduces inter-particle forces, preventing reactor hot spots and agglomeration.
A Gd-doped ceria-zirconia complex oxide enhances oxygen storage and release speed for automotive exhaust purification.
Polyalkyleneimine coatings resolve corrosion versus dispersibility contradictions, enabling uniform catalyst distribution without surfactants.
A heat generating element uses honeycomb structure units joined by a low volume resistivity portion to generate heat efficiently.
Bonding cross portions with lower thermal capacity reduce temperature gradients, preventing cracks from thermal stress in diesel particulate filters.
Segregated alumina and metal oxide regions in tertiary particles suppress catalyst aggregation at high temperatures.
Modified apatite carrier activates lattice oxygen to improve low-temperature NOx purification while maintaining heat resistance.
Organic carbonate dries catalyst carriers at low temperatures, preventing titanium dioxide formation and reducing equipment complexity.
A process creates spheroidal alumina particles with controlled macroporosity using specific pore-forming agents and calcination steps.
A stereostructure design balances surface area expansion and mechanical strength through controlled porosity.
An asymmetric honeycomb ceramic carrier applies corner chamfers to relieve stress concentration, reducing partition wall bending during extrusion molding.
High-pressure hydrothermal processing stabilizes halogen bonds in tin oxide particles, preventing elution in acidic fuel cell environments.
A non-zeolite base metal catalyst system uses cerium and zirconium oxides with dispersed transition metals to convert nitrogen oxides.
A porous bimetallic catalyst composition converts vegetable oils into diesel-range hydrocarbons through controlled sulfidation and calcination steps.
An electrically started catalytic burner preheats combustion air and fuel gas to achieve flameless combustion.