37results about "Refining with metals" patented technology

The invention discloses a reformate deolefination catalyst and a preparation method thereof. The olefin removal catalyst comprises 10-80 parts by weight of an active component and 20-90 parts by weight of a binder, the active component is obtained by carrying out hydrothermal synthesis on an active silicon source, an aluminum source, an alkali source and a template agent as raw materials, and the active silicon source is prepared by loading a metal or non-metal additive on the silicon source by adopting an impregnation method. The preparation method of the catalyst comprises the following steps: loading a metal or non-metal auxiliary agent into a silicon source by adopting an impregnation method to prepare an active silicon source, carrying out hydrothermal synthesis on the active silicon source, an aluminum source, an alkali source and a template agent as raw materials to prepare an active component, uniformly mixing the active component and a binder, acidifying and peptizing, kneading, extruding, forming and roasting, thereby obtaining the catalyst. The reformed oil olefin removal catalyst is obtained. The catalyst provided by the invention has optimal pore structure distribution and appropriate acid properties, and the addition of the coupling aid greatly improves the regeneration activity of the catalyst and prolongs the total service life of the catalyst.

A method may include operating a dehydrogenation process whereby a hydrocarbon-containing feed is converted to light olefins, wherein the dehydrogenation process utilizes a fluidized process catalyst that circulates between a reactor and a combustor. The method may comprise withdrawing the process catalyst from the dehydrogenation process, modifying the process catalyst to form a modified catalyst, and adding the modified catalyst back to the dehydrogenation process. The process catalyst may include from 0.1 wt. % to 10 wt. % of one or more metals chosen from gallium, indium, thallium, or combinations thereof, from 1 ppmw to 1000 ppmw of one or more metals chosen from platinum, palladium, rhodium, iridium, ruthenium, osmium, or combinations thereof, and at least 85 wt. % support. Modifying the process catalyst may include adding one or more of manganese, iron, chromium, or vanadium.

The present invention is a method for removing sulfur from liquid hydrocarbon feedstocks and for performing hydrogenation reactions in sulfur-contaminated feedstocks, including the hydrogenation of naphthalene in the presence of sulfur compounds, using catalysts or adsorbents comprising metal oxide nanowires decorated with reduced catalytically-active metal particles. In a preferred embodiment, the adsorbent comprises zinc oxide nanowires decorated with catalytically-active metals selected from nickel, cobalt, molybdenum, platinum, palladium, copper, oxides thereof, alloys thereof, and combinations thereof. In some embodiments, the sulfur is removed through a desulfurization process without an external hydrogen supply. The process is effective for the removal of sulfur from diesel fuels and liquid fuel streams, and for deep desulfurization of natural gas streams. The process is also effective for the selective hydrogenation of naphthalene to tetralin in the presence of sulfur compounds.

A method for reducing the amount of S8 in an oil containing S8, comprising contacting the oil with (a) a solid agent comprising a reductant, and (b) a liquid agent suitable for dispersing said solid a

The invention relates to a process (100, 200) for producing one or more hydrocarbons in which a first feedstock stream (A) is subjected to steam cracking (10) to obtain a first product stream (B), and an ethane-containing second feedstock stream (C) is subjected to oxidative dehydrogenation (20) to obtain a second product stream (D), wherein at least some of the first product stream (B) is subjected to processing (12) which comprises selective hydrogenation (125) of hydrocarbons having two carbon atoms and demethanisation (126) to obtain hydrocarbon fractions (C2H4, C2H6), wherein at least some of the second product stream (D) is subjected to trace removal (24) which comprises the removal of oxygen and / or acetylene to obtain a subsequent stream (E), and wherein at least some of the subsequent stream (E) is fed to the processing (12) at a position downstream of the selective hydrogenation (125) and upstream of the demethanisation (126).At least some of the subsequent stream (E) is subjected to the removal (25) of carbon dioxide upstream of the feed-in point to the processing (12). The present invention also relates to a corresponding system.

The present invention provides the use of a solid agent comprising a reductant for reducing the amount of reactive sulphur in an oil and / or reducing the dielectric dissipation factor of an oil, wherein either: (i) the oil is contacted with (a) the solid agent comprising the reductant, and (b) a liquid agent suitable for dispersing said solid agent; (ii) the oil is contacted with a solid substrate having the reductant on its surface; or (iii) the oil is an ester and is contacted with a particulate adsorbent support having the reductant on its surface.

A method of treating a fluid within a process line includes flowing a treatment chemical and a first volume of the fluid into an injection chamber of a process pump, exerting an upward force on a lower cylinder of a piston of the process pump with a mixture of the treatment chemical and the first volume of the fluid within the injection chamber, exerting a downward force on an upper cylinder of the piston with a second volume of the fluid, and transmitting the downward force to the lower cylinder of the piston to force the mixture out of the injection chamber and into the process line.

The present application relates to the technical field of fuel desulfurization, and particularly relates to a photo-thermal extraction catalytic oxidation desulfurization catalyst, a preparation method and application thereof. The raw material of the catalyst comprises [Mo6O 19 ](NC 18 H 36 )2, NH2-MIL-125(Ti) and g-C3N4, and the catalyst Mo6 / NH2-MIL-125(Ti) / g-C3N4 is prepared by using an evaporation solvent method, wherein the molar ratio of Ti in NH2-MIL-125(Ti) to Mo in [Mo6O 19 ](NC 18 H 36 )2 is 1:0.1-1.0. The evaporation solvent method used in the present application has simple preparation process, controllable morphology and high stability, and the prepared catalyst has excellent catalytic effect in a photo-thermal extraction catalytic oxidation desulfurization system, and can be widely used for industrial desulfurization of sulfur-containing fuels.

Processes for quantitating the corrosivity of naphthenic acids in a sample comprising crude oil or a liquid fraction thereof by reacting the sample with a metal comprising iron to produce iron naphthenates that are then stabilized by a ligand. The stabilized iron naphthenates are then analyzed by mass spectrometry to accurately quantitate the percentage of total naphthenic acids in the sample that are iron-reactive naphthenic acids associated with metal corrosion.

Disclosed is a method and device for treatment of liquid hydrocarbons including purification and desulfurization of the liquid hydrocarbons using metallic sodium. The device comprises a vessel having attached a pressurizable pump and dispersing circuit comprising a pumping unit, a dispersing unit, a flow pipe and a throttle valve. The sodium together with the liquid hydrocarbons to be treated is circulated constantly through the pressurizable pump and dispersing circuit, wherein, by passing through the pressurizable pump and dispersing circuit, the sodium is dispersed directly in the stream of the hydrocarbons to be treated. Compared to conventional sodium dispersion desulfurizing processes, the disclosed method and device open up additional fields of application and significantly improve economy and achievable results.

Provided is a method for removing chlorine from a waste plastic. The method includes a) reacting a waste plastic with a neutralizing agent; and b) reacting the product of step a) with a copper compound. 95% by weight or more of chlorine is removed based on the total weight of the waste plastic.

Water is combined with an oligomer product that contains an oligomer and an alkyl aluminum catalyst to deactivate the catalyst and form a treated product containing the oligomer and aluminum-containing solids. The aluminum-containing solids then can be separated from the treated product.

The method may include operating a dehydrogenation process in which a hydrocarbon-containing feed is converted to light olefins, and the dehydrogenation process utilizes a fluid process catalyst that circulates between a reactor and a combustor. The method may include recovering the process catalyst from the dehydrogenation process, reforming the process catalyst to form a reformed catalyst, and returning and adding the reformed catalyst to the dehydrogenation process. The process catalyst includes at least one metal selected from 0.1 wt% to 10 wt% of gallium, indium, thallium, or a combination thereof, at least one metal selected from 1 ppmw to 1000 ppmw of platinum, palladium, rhodium, iridium, ruthenium, osmium, or a combination thereof, and at least 85 wt% of a carrier. Reforming the process catalyst may include adding one or more of manganese, iron, chromium, or vanadium.

A method of treating a fluid within a process line includes flowing a treatment chemical and a first volume of the fluid into an injection chamber of a process pump, exerting an upward force on a lower cylinder of a piston of the process pump with a mixture of the treatment chemical and the first volume of the fluid within the injection chamber, exerting a downward force on an upper cylinder of the piston with a second volume of the fluid, and transmitting the downward force to the lower cylinder of the piston to force the mixture out of the injection chamber and into the process line.

A system and method for dynamically reducing sulfur and other contaminants in a crude oil feedstock. The method includes pumping a crude oil feedstock into an inlet of a cavitation reactor and rotating a rotor of the cavitation reactor to induce cavitation events within the crude oil feedstock by formation and collapse of unstable bubbles that resultingly induce shockwaves to propagate through the crude oil feedstock, which further causes mixing and rapid reaction under mild / low to moderate shear forces that reduces damage to the resulting fuel product.

The present invention is a method for removing sulfur from hydrocarbon feedstocks and for performing hydrogenation reactions in sulfur-contaminated feedstocks, including the hydrogenation of naphthalene in the presence of sulfur compounds, using catalysts or adsorbents comprising metal oxide nanowires decorated with reduced catalytically-active metal particles. In an exemplary embodiment, the adsorbent comprises zinc oxide nanowires decorated with catalytically-active metals selected from nickel, cobalt, molybdenum, platinum, palladium, copper, oxides thereof, alloys thereof, and combinations thereof. In some embodiments, the sulfur is removed through a desulfurization process without an external hydrogen supply. The process is effective for the removal of sulfur from diesel fuels and liquid fuel streams, and for deep desulfurization of natural gas streams. The process is also effective for the selective hydrogenation of naphthalene to tetralin in the presence of sulfur compounds.

A process for dehydrogenating a hydrocarbon feed comprising paraffins and / or naphthenes, in which said feed is contacted with a catalyst comprising an active phase based on at least one metal from group VIII, at least one element M1 selected from tin, germanium, lead, gallium, indium and thallium, and at least one element M2 selected from the alkali or alkaline earth elements, and a support comprising at least one refractory oxide, characterized in that the average macropore density of said support is greater than or equal to 900 kpores / mm² and less than 2000 kpores / mm² and in that the value of the packed filling density (DRT) is between 0.50 and 0.68 g / ml.

A process for dehydrogenating a hydrocarbon feed comprising paraffins and / or naphthenes, in which said feed is contacted with a catalyst comprising an active phase based on at least one metal from group VIII, at least one element M1 selected from tin, germanium, lead, gallium, indium and thallium, and at least one element M2 selected from the alkali or alkaline earth elements, and a support comprising at least one refractory oxide, characterized in that the average macroporous diameter of said support is between 0.40 µm and 0.80 µm and in that the value of the packed filling density (PTD) of said support is between 0.50 and 0.68 g / mL.

There is provided a method for upscaling a petroleum product. There is also provided a method for zero-emissions refining and zero-emissions power generation, and a use of a petroleum product as a medium for sequestering carbon from a carbon containing gas by way of abatement of carbon from the carbon containing gas and sequestration of the carbon into the petroleum product.

The present technology provides a process comprising: contacting a hydrocarbon feedstock with an effective amount of sodium metal and an effective amount of exogenous capping agent at a temperature of 250-500° C., to produce a mixture of sodium salts and a converted feedstock, wherein the hydrocarbon feedstock comprises hydrocarbons with a sulfur content of at least 0.5 wt % and an asphaltene content of at least 1 wt %; the sulfur content comprises asphaltenic sulfur and non-asphaltenic sulfur; the converted feedstock comprises hydrocarbon oil with a sulfur content less than that in the hydrocarbon feedstock and an asphaltene content less than that in the hydrocarbon feedstock; and the proportion of asphaltenic sulfur to non-asphaltenic sulfur in the converted feedstock is lower than in the hydrocarbon feedstock.

Disclosed is a method and device for treatment of liquid hydrocarbons including purification and desulfurization of the liquid hydrocarbons using metallic sodium. The device comprises a vessel having attached a pressurizable pump and dispersing circuit comprising a pumping unit, a dispersing unit, a flow pipe and a throttle valve. The sodium together with the liquid hydrocarbons to be treated is circulated constantly through the pressurizable pump and dispersing circuit, wherein, by passing through the pressurizable pump and dispersing circuit, the sodium is dispersed directly in the stream of the hydrocarbons to be treated. Compared to conventional sodium dispersion desulfurizing processes, the disclosed method and device open up additional fields of application and significantly improve economy and achievable results.

The present invention provides a method for producing waste plastic pyrolysis oil, the method comprising: a pyrolysis process of producing pyrolysis gas by introducing waste plastic into a pyrolysis reactor; and a hardening process of producing pyrolysis oil by injecting the pyrolysis gas into a hot filter filled with a neutralizer, wherein the pyrolysis oil contains, on the basis of the total weight, 50% by weight or more of naphtha having a boiling point of 150°C or less and kero having a boiling point of 150°C to 265°C and less than 100 ppm of chlorine.

A process is provided for dechlorinating and separating a mixture of n-butane and alkylate. The process includes separating, in a separation zone, a feed stream comprising light hydrocarbons, propane, isobutane, organic chlorides, n-butane, and alkylate with C5+ hydrocarbons into an overheads stream comprising light hydrocarbons, propane, and isobutane and a bottoms stream comprising organic chlorides, n-butane and alkylate; passing the bottoms stream to a catalytic dechlorination zone configured to convert the organic chlorides to HCl and paraffins under catalytic dechlorination conditions, the catalytic dechlorination zone comprising a vessel and being configured to provide a HCl-rich stream, an n-butane-rich stream, optionally an isopentane-rich stream, and an alkylate-rich stream; removing the HCl-rich stream from the catalytic dechlorination zone as a gaseous overheads product; recovering the n-butane-rich stream from the catalytic dechlorination zone as a liquid side-draw product; optionally recovering the isopentane-rich stream from the catalytic dechlorination zone as a side-draw product; and recovering the alkylate-rich stream from the catalytic dechlorination zone as a liquid bottoms product.

Systems and methods are presented for performing a hydrolytic dechlorination of pyrolysis oil using a basic adsorbent to produce an upgraded pyrolysis oil having at least a lower organic chloride content. An example method includes the steps of performing a hydrolytic dechlorination of pyrolysis oil containing one or more organic chloride species by: introducing the pyrolysis oil into a reactor, the pyrolysis oil having a temperature ranging from about 100 °C to about 300 °C; and contacting the pyrolysis oil with a basic adsorbent within the reactor under autogenic pressure and in the absence of hydrogen to hydrolyze the one or more organic chloride species of the pyrolysis oil and yield an upgraded pyrolysis oil having a lower organic chloride content.

The present invention relates to a process for trapping silicon compounds in a gaseous or liquid feedstock, comprising bringing the feedstock into contact with a trapping mass with a liquid hourly space velocity LHSV of less than 5 h−1 or a gas hourly space velocity GHSV of less than 500 h−1.

A process for dehydrogenating a hydrocarbon feed comprising paraffins and / or naphthenes, in which said feed is contacted with a catalyst comprising an active phase based on at least one metal from group VIII, at least one element M1 selected from tin, germanium, lead, gallium, indium and thallium, and at least one element M2 selected from the alkali or alkaline earth elements, and a support comprising at least one refractory oxide, characterized in that the average macropore density of said support is greater than or equal to 2000 kpores / mm² and less than 5000 kpores / mm² and in that the value of the packed filling density (DRT) is between 0.50 g / mL and 0.68 g / ml.

The technology provides a method comprising the steps of: contacting a hydrocarbon feedstock with an effective amount of metallic sodium and an effective amount of an exogenous capping agent at a temperature of 250-500°C to produce a mixture of sodium salts and a converted feedstock, wherein the hydrocarbon feedstock comprises hydrocarbons having a sulfur content of at least 0.5 wt% and an asphaltene content of at least 1 wt%, the sulfur content comprising asphaltene sulfur and non-asphaltene sulfur, the converted feedstock comprises a hydrocarbon oil having a sulfur content lower than that in the hydrocarbon feedstock and a lesser asphaltene content than that in the hydrocarbon feedstock, and the ratio of asphaltene sulfur to non-asphaltene sulfur in the converted feedstock is lower than in the hydrocarbon feedstock.

The invention discloses a Fe / Ni co-doped W18O49 oxidative desulfurization catalyst as well as a preparation method and application thereof, and belongs to the technical field of oil product oxidative desulfurization catalytic materials. The preparation method comprises the following steps: dissolving a tungsten source in an alcohol solvent to obtain a solution A; adding an iron source and a nickel source into the solution A, and stirring to obtain a precursor mixed solution; and carrying out solvothermal reaction, suction filtration, washing and drying to obtain the Fe / Ni co-doped W18O49 oxidative desulfurization catalyst. The molar ratio of the Fe element in the iron source to the Ni element in the nickel source is (1: 0.1)-(1: 0.9), under the specific molar ratio, the Fe element in the iron source and the Ni element in the nickel source generate a synergistic catalytic effect in a W18O49 matrix, the electronic structure of the catalyst is optimized, the activation efficiency of the active site of the catalyst on an oxidizing agent H2O2 is improved, the adsorption capacity on sulfide molecules such as DBT is also enhanced, and the catalytic activity of the catalyst is improved. The oxidation reaction kinetics is accelerated, and the desulfurization performance is excellent.

The invention discloses a preparation method and application of a titanium monatomic anchored silicon dioxide catalyst. In a silicon dioxide synthesis system, after silicon dioxide morphology construction is completed, a titanium source is introduced into a reaction system, the silicon dioxide with the morphology constructed is used as a carrier, titanium atoms are anchored to the silicon dioxide in the form of isolated metal monatomic through a one-step method, and the titanium monatomic anchored silicon dioxide catalyst is obtained. The catalyst has the remarkable advantages of simple and convenient preparation process, high titanium monatomic loading capacity, excellent structural stability and the like, shows excellent catalytic performance in catalytic oxidation desulfurization reaction, and has a good recycling characteristic; besides, the surface of the catalyst carrier is rich in a large number of polar functional groups (Si-OH and Ti-OH), oxidized sulfur-containing compounds with large polarity can be efficiently adsorbed, the catalytic system can achieve one-step efficient removal of dibenzothiophene without introduction of an extraction step, and the operation cost in the industrial application process is remarkably reduced.

A system and method for dynamically reducing sulfur and other contaminants in a crude oil feedstock. The method includes pumping a crude oil feedstock into an inlet of a cavitation reactor and rotating a rotor of the cavitation reactor to induce cavitation events within the crude oil feedstock by formation and collapse of unstable bubbles that resultingly induce shockwaves to propagate through the crude oil feedstock, which further causes mixing and rapid reaction under mild / low to moderate shear forces that reduces damage to the resulting fuel product.