C10G3/57

Methods and systems for enhancing processing of hydrocarbons in a fluid catalytic cracking unit using a renewable additive

Methods and systems for enhancing hydrocarbon processing in a fluid catalytic cracking (FCC) unit by introducing a renewable feedstock into the FCC unit at alternative locations of the FCC unit to increase residence time and promote a higher degree of FCC feedstock cracking. The renewable feedstock may include one or more of plastic-derived pyrolysis oil or plastic-derived hydrocarbons, biomass-derived pyrolysis oil, municipal waste-derived pyrolysis oil, vegetable based feedstock, animal fat feedstock, algae oil, sugar-derived hydrocarbons, or carbohydrate-derived hydrocarbons. The alternative locations of the FCC unit may include one or more of FCC reactor catalyst bed, an FCC catalyst stripper, at a nozzle located downstream of a gas oil injection point, or at a nozzle located upstream of the gas oil injection point.

Systems and Methods for Renewable Fuel
20190078026 · 2019-03-14 ·

The present application generally relates to the introduction of a renewable fuel oil as a feedstock into refinery systems or field upgrading equipment. For example, the present application is directed to methods of introducing a liquid thermally produced from biomass into a petroleum conversion unit; for example, a refinery fluid catalytic cracker (FCC), a coker, a field upgrader system, a hydrocracker, and/or hydrotreating unit; for co-processing with petroleum fractions, petroleum fraction reactants, and/or petroleum fraction feedstocks and the products, e.g., fuels, and uses and value of the products resulting therefrom.

OXYGENATE REDUCTION CATALYST AND PROCESS

The invention provides a catalyst system and method for the deoxygenation of hydrocarbons, such as bio-oil, using a sulphide-sulfate or an oxide-carbonate (LDH) system. The invention extends to a pyrolysis process of a carbonaceous bio-mass wherein a first combustion zone is carried out in one or more combustion fluidised beds in which a particulate material including chemically looping deoxygenation catalyst particles is fluidised and heated, and a second pyrolysis zone carried out in one or more pyrolysis fluidised beds in which the hot particles, including the catalyst particles, heated in the combustion zone are used for pyrolysis of the bio-mass, said combustion zone being operated at a temperature of from 250 C. to 1100 C., typically around 900 C., and the pyrolysis zone being operated at a temperature of from 250 C. to 900 C., typically 450 C. to 600 C., said catalyst particles being oxygenated in the pyrolysis zone in the presence of oxygenates in the pyrolysis oil and regenerated in the combustion zone either by calcining to drive off the carbon oxides, such as CO.sub.2, or by reduction to its form which is active for deoxygenation of the pyrolysis oil.

Apparatus and process for producing gasoline, olefins and aromatics from oxygenates

Apparatuses and processes for converting an oxygenate feedstock, such as methanol and/or dimethyl ether, in a fluidized bed containing a catalyst to hydrocarbons, such as gasoline boiling components, olefins and aromatics are provided herein.

FINE MINERAL MATTER FOR UPGRADING THE QUALITY OF THE PRODUCTS OF THERMAL OR CATALYTIC CRACKING OR IN-SITU HEAVY OIL CATALYTIC CRACKING
20240279555 · 2024-08-22 ·

The present disclosure generally relates to the utilization of a fine mineral matter in the process of upgrading the liquid products obtained by thermolysis or pyrolysis of solid plastic waste or biomass or from cracking, coking or visbreaking of petroleum feedstocks. More particularly, the present disclosure is directed to a process of stabilization of the free-radical intermediates formed during thermal or catalytic cracking of hydrocarbon feedstocks including plastic waste and on a process of catalytic in-situ heavy oil upgrading. The fine mineral matter may be derived from natural sources or from synthetic sources.

Co-processing of pyrolysis oils, lubricants, and/or plastics

The present disclosure provides methods and systems for co-processing a hydrocarbon feed in an FCC system with a second feed of a biomass-derived pyrolysis oil and a third feed of a plastic-derived pyrolysis oil and/or lubricant. A method of co-processing fluid catalytic cracking feeds, includes: introducing a hydrocarbon feed to a fluid catalytic cracking reactor, wherein the hydrocarbon feed comprises hydrocarbons; introducing a biomass feed to the fluid catalytic cracking reactor wherein the biomass feed comprises a biomass-derived pyrolysis oil; introducing a waste feed to the fluid catalytic cracking reactor, wherein the waste feed comprises a plastic, a plastic-derived pyrolysis oil, a lubricant, or a combination thereof; and reacting at least the hydrocarbon feed, the biomass feed, and the waste feed in the presence of one or more fluid catalytic cracking catalysts in the fluid catalytic cracking reactor to produce cracked products.

CONVERSION OF BIOMASS INTO A LIQUID HYDROCARBON MATERIAL

A process for producing liquid hydrocarbon products from a biomass-containing feedstock and/or a biomass-derived feedstock is provided. The process comprises:

a) contacting the feedstock with a hydropyrolysis catalyst composition and molecular hydrogen in a hydropyrolysis reactor vessel to produce a product stream comprising a deoxygenated hydrocarbon product, H.sub.2O, H.sub.2, CO.sub.2, CO, C.sub.1-C.sub.3 gases, char and catalyst fines;

b) removing char and catalyst fines from said product stream;

c) cooling the remaining product stream to a temperature of no more than 300? C.; and

d) hydroconverting all or a portion of said deoxygenated hydrocarbon product in a hydroconversion reactor in the presence of one or more catalyst compositions suitable for the aromatic saturation of the deoxygenated hydrocarbon product and of the H.sub.2O, CO.sub.2, CO, H.sub.2, and C.sub.1-C.sub.3 gas generated in step a), to produce a product comprising C.sub.4+ hydrocarbon product, H.sub.2O, CO, CO.sub.2, and C.sub.1-C.sub.3 gases.

Naphtha and methanol mixed catalytic cracking reaction process

A naphtha and methanol mixed catalytic cracking reaction process involves a simultaneous cracking reaction of naphtha and methanol using a circulating fluidized-bed reactor comprising a reactor, a stripper, and a regenerator. The naphtha is supplied from the bottom part of the reactor at a position between 0%5% of the total length of the reactor, and the methanol is supplied from the bottom part of the reactor at a position between 10%80% of the total length of the reactor. The catalytic cracking reaction process uses the circulating fluidized-bed reactor and can crack naphtha and methanol simultaneously by having different introduction positions for the naphtha and methanol in the reactor, which is advantageous for heat neutralization, so that energy consumption can be minimized and also the yield of light olefins can be improved by suppressing the production of light saturated hydrocarbons such as methane, ethane and propane.

FEED NOZZLE ASSEMBLY FOR A CATALYTIC CRACKING REACTOR
20180320085 · 2018-11-08 ·

Reactor vessel and a feed nozzle assembly for feeding a gas and a liquid into such reactor vessel. The feed nozzle assembly comprises an outer tube supplying a first liquid feed, such as oil, an inner tube supplying a dispersion gas, such as steam, a third tube supplying a second liquid feed, such as biomass, and a nozzle end. A catalytic cracking process wherein two or more hydrocarbon liquids are jointly dispersed into a dispersion gas and jetted via the same feed nozzle assembly into a catalytic cracking reactor.

FCC catalyst composition and a process for its preparation

The present disclosure relates to an FCC catalyst composition and a process for preparing the same. In a first aspect, there is provided an FCC catalyst composition comprising 25 to 45 wt % Y-type zeolite, 20 to 40 wt % silicon oxide, 5 to 25 wt % alumina, 5 to 35 wt % of at least one clay and 0.5 to 3 wt % of at least one rare earth oxide. The weight % of each of the component is with respect to the total weight of the composition. The FCC catalyst composition has an average particle size in the range of 45-120?. In a second aspect, there is provided a process for preparing the FCC catalyst composition, which uses ball milled pseudoboehmite having an average particle size in the range of 1 to 8 micron and the whole process is carried out at a pH value in the range of 6 to 7.