Sulfur and oxygen functionalization of refinery hydrocarbons enables scalable hard carbon production with better yield and consistent sodium-ion anode quality.
High concentration hydroxides convert hydrogen sulfide to stable sulfides, preventing precipitate formation and reversion even under heat.
Dechlorination catalyst converts organic chlorides to HCl, enabling carrier gas recycling to reduce chloride content for refinery blending.
Supercritical water breaks carbon-sulfur bonds in sulfones to recover hydrocarbons, eliminating yield loss from oxidative desulfurization.
A molecular sieve catalyst with MWW structure reduces the bromine index of hydrocarbon feedstocks through selective olefin removal.
Crystalline silicon orthophosphate in the catalyst resolves stability issues by providing macropore volume exceeding 0.15 cm3 g−1.
High concentration hydroxides and organic acids reduce hydrogen sulfide in hydrocarbons below 5 ppm without forming precipitates or scaling.
High pH borohydride treatment converts refractory sulfur compounds into extractable forms, eliminating costly hydrotreating capacity requirements.
A dialdehyde and polyalkylene glycol composition removes hydrogen sulfide from hydrocarbons via addition reaction.
Countercurrent liquid-liquid extraction in a heated reactor removes halide and metal contaminants from hydrocarbons, reducing capital costs and residence times.
Tin antimony bismuth alloy catalyst eliminates microbial bio-contamination in stored diesel and biodiesel, restoring fuel purity and combustion efficiency.
Phosphonium ionic liquids selectively extract refractory contaminants from vacuum gas oil, reducing hydrotreating hydrogen consumption.
Amine-functionalized silica nanoparticles scavenge hydrogen sulfide while maintaining reaction product solubility to prevent precipitation and corrosion.
A Mannich condensate base resin copolymer binds suspended catalyst fines, enabling gravity settling tanks to meet the 60 ppm Al+Si specification.
A flow-through reactor uses supercritical water to reduce heavy oil viscosity and density while increasing aliphatic content.
Complexing agents convert volatile elemental mercury into water-soluble compounds within distillation overhead streams.
A glyoxal-based scavenger composition removes hydrogen sulfide from natural gas fluids using a specific chemical formulation.
A mobile treatment system removes hydrogen sulfide from oilfield effluents using atomization and vacuum flashing.
A nitrogen gas circulation assembly strips hydrogen sulfide from hydrocarbon liquids using crossflow and counterflow in a treatment chamber.
Inert packing columns capture asphaltenes to evaluate dispersant effectiveness, preventing pipeline plugging and equipment fouling in heavy crude processing.
Silica nanoparticles immobilize triazine scavengers to enhance hydrogen sulfide removal while reducing corrosion and aquatic toxicity.
High shear mixing subjects sour oil to intense mechanical forces alongside desulfurizing agents to separate sulfur-rich products from sweetened oil streams.
Tailored oxidation converts sulfur to water-soluble sulphoxides, enabling extraction that minimizes hydrocarbon loss.