19results about "Refining with metal salts" patented technology

The invention belongs to the technical field of desulfurizer preparation, and particularly relates to a desulfurizer for oil extraction of oil and gas fields and a preparation method thereof. The desulfurizing agent for oil extraction of the oil and gas field is prepared from the following raw materials: N-octadecyl-1, 3-propane diamine, an ionic liquid and organic copper mixture, ammonium molybdate, lysine sodium, hydroxyethylidene diphosphonic acid, polyoxyethylene sorbitan monostearate and the balance of water. According to the desulfurizing agent for oil extraction of the oil-gas field, water is used as a solvent, N-octadecyl-1, 3-propane diamine, an ionic liquid and organic copper mixture and ammonium molybdate in raw materials are used as main desulfurizing components to remove organic sulfur and inorganic sulfur, and lysine sodium, hydroxyethylidene diphosphonic acid and polyoxyethylene sorbitan monostearate are added, so that the desulfurizing agent for oil extraction of the oil-gas field is obtained. Due to the synergistic effect of the raw materials, the efficient removal of inorganic sulfur and organic sulfur in oil extraction of an oil and gas field is realized.

Process, method and apparatus for reducing sulfide contaminants in crude oil such as would be present in a crude oil process stream.

The present application relates generally to processes, systems, and compositions for removing mercury from liquid hydrocarbons. In one embodiment, the application pertains to a method for removing mercury from hydrocarbons. The method comprises reacting a mercury species within the hydrocarbons with an additive composition to produce a reaction product. The reaction product typically comprises a different speciation for mercury than the original mercury species. The reaction product is then removed from the hydrocarbons. The additive composition employed comprises a sulfur or heteroatom donating substance and a substantially oil-soluble solvent.

The invention discloses a modified MCM-22 molecular sieve catalyst and a preparation method and application thereof, the preparation method comprises the following steps: S1, adding MCM-22 molecular sieve raw powder into an alkaline solution, reacting for a preset time, and filtering to obtain a first sample; s2, adding the first sample into an ammonium nitrate solution, mixing and stirring, filtering, and roasting to obtain a second sample; and S3, adding the second sample in the step S2 into a molybdenum ion solution, mixing and stirring, standing for a preset time, filtering, washing, drying and roasting to obtain the modified MCM-22 molecular sieve catalyst. According to the preparation method of the modified MCM-22 molecular sieve catalyst provided by the invention, framework silicon in the molecular sieve is selectively dissolved through the alkaline solution, so that a pore channel of the molecular sieve is expanded, and the proportion of a medium acid site of the molecular sieve is increased through molybdenum modification, so that the diffusion and catalysis requirements of high-carbon olefins are effectively met; the reasonable regulation and control on the isomerization product composition are realized.

The application belongs to the technical field of desulfurizer preparation, and particularly relates to a desulfurizer for oil and gas field oil production and a preparation method thereof. The desulfurizer for oil and gas field oil production comprises the following raw materials: N-octadecyl-1,3-propanediamine, an ionic liquid-organic copper mixture, ammonium molybdate, sodium lysine, hydroxyethylidene diphosphonic acid, polyoxyethylene sorbitan monostearate, and water as the balance. The desulfurizer for oil and gas field oil production uses water as a solvent, and N-octadecyl-1,3-propanediamine, the ionic liquid-organic copper mixture and ammonium molybdate in the raw materials as main desulfurization components to remove inorganic sulfur and organic sulfur, and sodium lysine, hydroxyethylidene diphosphonic acid and polyoxyethylene sorbitan monostearate are added to enhance the stability and permeability of the system, so that the raw materials synergize to achieve efficient removal of inorganic sulfur and organic sulfur in oil and gas field oil production.

A method and kit for inhibiting microbial proliferation in a fuel container are disclosed. The method involves introducing antimicrobial particles designed to be trapped at the fuel-water interface by interfacial tension, thereby concentrating antimicrobial agents at a primary site of microbial growth. These particles release antimicrobial ions into the water phase, creating a growth inhibition zone that can extend into the sludge zone. A kit is also provided, including at least two separate containers of particles being a denser type that settles and remains at the tank bottom and a lighter type that settles but is subsequently lifted to the interface upon water accumulation.

A method and kit for inhibiting microbial proliferation in a fuel container are disclosed. The method involves introducing antimicrobial particles designed to be trapped at the fuel-water interface by interfacial tension, thereby concentrating antimicrobial agents at a primary site of microbial growth. These particles release antimicrobial ions into the water phase, creating a growth inhibition zone that can extend into the sludge zone. A kit is also provided, including at least two separate containers of particles being a denser type that settles and remains at the tank bottom and a lighter type that settles but is subsequently lifted to the interface upon water accumulation.

The present disclosure relates to a method for refining pyrolysis oil, a refined pyrolysis oil obtained by the method, and the use of the refined pyrolysis oil in steam cracking or partial oxidation. The method comprises the steps (i) subjecting crude pyrolysis oil containing hydrocarbons and impurities to a separating operation and thereby forming refined pyrolysis oil and waste liquid, and (ii) subjecting the waste liquid to advanced oxidation treatment and filtering the treated waste liquid, wherein the separating operation comprises using a washing solution to wash the crude pyrolysis oil, the washing solution being an aqueous solution of a transition metal compound or an aluminum compound.

The invention relates to a plastic oil desiliconization agent, a preparation method thereof and a plastic oil desiliconization method, the desiliconization agent comprises 5-95 wt% of magnesium oxide and 5-95 wt% of aluminum oxide on the basis of the dry basis weight of the desiliconization agent, and at least part of magnesium oxide and aluminum oxide form magnesium aluminate spinel, the weight of the magnesium aluminate spinel accounts for more than 60% of the total weight of the magnesium oxide and the aluminum oxide; the bulk density of the desiliconizing agent is 0.5 to 0.85 g / cm < 3 >. The desiliconization agent disclosed by the invention has a good desiliconization effect.

Process, method and apparatus for reducing sulfide contaminants in crude oil such as would be present in a crude oil process stream.

The invention relates to the technical field of molecular sieve catalysts, and discloses a molecular sieve catalyst and a preparation method and application thereof. According to the molecular sieve catalyst, the molecular sieve catalyst contains a molecular sieve, and the molecular sieve is a silicon-aluminum molecular sieve; the molar ratio of silicon oxide to aluminum oxide of the molecular sieve is 5-45, the ratio of the acid amount of the outer surface of the molecular sieve to the total acid amount of the molecular sieve is 0.001-0.02, the acid amount of the outer surface of the molecular sieve is measured by adopting an in-situ adsorption infrared method, and the total acid amount of the molecular sieve is measured by adopting an ammonia temperature programming adsorption method; and the adsorption capacity of the molecular sieve on isobutane is 0.1-1 time that of the molecular sieve on 2-trans-butene. The ratio of the outer surface acid amount to the total acid amount of the molecular sieve catalyst is in a specific range, so that the surface of the molecular sieve has higher alkane-alkene adsorption selectivity, and further higher alkylation reaction cycle life and product selectivity are obtained.

The present invention provides a method of preparing pyrolysis oil from waste plastics, the method including: (S1) feeding a waste plastic raw material and a process oil stream to a first melting tank and mixing the waste plastic raw material and the process oil stream to obtain a primary melt; (S2) passing the primary melt through a first filter to remove a non-melted solid material; (S3) feeding the primary melt from which the non-melted solid material is removed to a second melting tank and increasing a temperature of the primary melt to obtain a secondary melt; (S4) feeding the secondary melt to a pyrolysis reactor and after pyrolysis discharging a gaseous upper stream and a liquid lower stream; and (S5) condensing the gaseous upper stream discharged from the pyrolysis reactor and then feeding the gaseous upper stream condensed to a distillation column and refining the gaseous upper stream condensed.

Process, method and apparatus for reducing sulfide contaminants in a crude oil stream.

The present application relates generally to processes, systems, and compositions for removing mercury from liquid hydrocarbons. In one embodiment, the application pertains to a method for removing mercury from hydrocarbons. The method comprises reacting a mercury species within the hydrocarbons with an additive composition to produce a reaction product. The reaction product typically comprises a different speciation for mercury than the original mercury species. The reaction product is then removed from the hydrocarbons. The additive composition employed comprises a sulfur or heteroatom donating substance and a substantially oil-soluble solvent.

The invention discloses a photocatalytic fluorination modification method for mineral insulating oil, modified mineral insulating oil and application, and the modification method comprises the following steps: mixing the mineral insulating oil, a photocatalyst tris (2-phenylpyridine) iridium, a metal catalyst, a solvent, a fluorine source and an organic oxidant to obtain a mixture; irradiating the mixture by using a light source for reaction to obtain photocatalytic fluorination modified mineral insulating oil; the solvent is one or a mixture of more of acetonitrile, N, N-dimethylformamide, N, N-dimethylacetamide and acetone; and the light source is a light source with the wavelength of 380-780 nm. According to the insulating oil fluorination modification method based on the photocatalysis strategy provided by the invention, the flame resistance and explosion resistance of the insulating oil can be remarkably improved. The insulating oil treated by the method not only can effectively reduce the fire risk, prolong the service life of a transformer and guarantee safe and stable operation of power equipment, but also provides a new idea and a technical basis for industrial production of novel insulating oil.

Process, method and apparatus for reducing sulfide contaminants in a crude oil stream in which crude oil is processed in a crude oil treatment device having crude oil conveying conduit having a crude oil inlet and a crude oil outlet distal to the crude oil inlet, the crude oil conveying conduit having a crude oil process stream conveyed therethrough; at least one mixer associated with the crude oil conveying conduit; and at least one treatment composition holding tank in fluid communication with the crude oil conveying conduit.

The invention relates to the technical field of liquid-phase oil product purification, in particular to a normal-temperature dechlorinating agent in a liquid-phase oil product and a preparation method thereof.The normal-temperature dechlorinating agent in the liquid-phase oil product is prepared from, by mass, 10%-30% of active components, 40%-80% of carriers and 10%-30% of adhesives, modified halloysite powder and the required amount of adhesives are evenly mixed, and a first mixed material is obtained; adding a required amount of active component into deionized water, stirring, adding the first mixed material, and uniformly stirring to obtain a second mixed material; and uniformly kneading the second mixed material, carrying out extrusion molding, drying and roasting to obtain the normal-temperature dechlorinating agent in the liquid-phase oil product. The carrier of the dechlorinating agent adopts modified halloysite powder, the modified halloysite powder is obtained by treating conventional halloysite powder, on the basis that original hollow nanotubes are not damaged, mesoporous channels are added, the mesoporous diameter of the prepared dechlorinating agent is 10.1 nm to 14.9 nm, the mass transfer resistance is small, and the chlorine capacity of the dechlorinating agent is high.

The present invention relates to a method of regenerating a capture mass for capturing heavy metals, the capture mass being loaded with heavy metals and placed in contact with a sulfiding stream; a regenerated capture mass having a heavy metal content of 0.1% to 45% by weight relative to the total weight of the regenerated capture mass; and a method of capturing heavy metals from a gaseous or liquid feedstock, the method comprising placing the feedstock in contact with the regenerated capture mass.

Process, method and apparatus for reducing sulfide contaminants in a crude oil stream.