By measuring iron-reactive naphthenic acids with stabilized iron complexes and mass spectrometry, this case improves crude oil corrosion prediction.
Water quenching converts alkyl aluminum catalyst residues into filterable solids, avoiding emulsions, easing oligomer recovery, and cutting aqueous waste.
Continuous pump-driven sodium dispersion keeps ultra-fine particles reactive, cutting sulfur below 10 ppm with lower sodium use and shorter treatment time.
Adding manganese, iron, chromium, or vanadium restores recycled fluidized catalysts, sustaining olefin production and combustion activity.
A dual-cylinder piston pump uses process-fluid pressure to inject treatment chemicals without an electric motor, reducing manual work.
Zinc oxide nanowires carrying nickel-zinc alloy particles target refractory sulfur compounds for deep desulfurization at milder conditions.
An oxygen-free hot filter with calcium oxide neutralizes chlorine during pyrolysis, producing low-impurity oil without post-treatment.
This case uses process-line fluid pressure to drive dual-cylinder pumps, reducing electrical energy and manual chemical injection.
Metal oxide nanowires enable deep hydrocarbon desulfurization at near-atmospheric pressure and sulfur-tolerant hydrogenation.
Neutralizing agents remove initial chlorine, then copper compounds target aromatic chlorine for refinery-ready pyrolysis oil.
Catalytic heating of crude oil converts unstable sulfur compounds into volatile species, eliminating hydrogen sulfide generation during transport.
Vanadium-nickel bimetallic catalyst on alumina-silica carrier removes mercaptans from liquefied petroleum gas without olefin saturation.
Zinc oxide additives scavenge hydrogen sulfide from heavy fuel oils, reducing emissions at high temperatures.
A slurry phase organic-inorganic fused hybrid catalyst combines molybdenum and nickel in a 4:1 ratio to enhance thermal stability and solubility.
Chloride-modified copper oxide adsorbent resists reduction to prevent water production and catalyst deactivation in catalytic reforming.
Methylmorpholine-N-oxide oxidizes hydrogen sulfide to elemental sulfur, avoiding foaming and harmful by-products common with strong oxidizers.
Segmented catalyst stages manage temperature gradients to boost propylene yield while preventing rapid coke deposition on active phases.
Metallic copper sorbent removes heterocyclic sulfides via chemisorption, avoiding stream discoloration and boiling range shifts.
Neutralizing water-soluble oxidized disulfide oil with alkaline agents creates reagents for zeolite synthesis, reducing waste disposal challenges.
Catalytic conversion of petroleum gas into light hydrocarbons reduces heavy crude oil viscosity, eliminating the need for thermal heating or external additives.
Organic solvent dissolves residual oil coating before water addition, preventing emulsion formation during sodium sulfide separation.
Palladium-platinum catalyst achieves complete mercaptan conversion via thioetherification, suppressing isomerization and residual inhibition.
Segmented columns separate iso-alkanes without evaporation steps, preventing light compound loss.
A hydrorefining catalyst using USY zeolite and solid acids converts oxygen compounds to paraffins.
Ionic liquids extract sulfur compounds from hydrocarbon mixtures via liquid-liquid separation, bypassing costly high-pressure catalytic processes.
An alkali metal recovery loop strips sulfur from heavy crude oil using chemical binding and electrolytic separation.