C10G2300/1059

Control of fluid catalytic cracking process for minimizing additive usage in the desulfurization of petroleum feedstocks

A method and apparatus for the cracking of a petroleum oil feedstock to produce a desulfurized full-range gasoline product. The petroleum oil feedstock is contacted with a base cracking catalyst and an FCC additive in an FCC unit, wherein the catalyst includes a stable Y-type zeolite and a rare-earth metal oxide and the additive includes a shape selective zeolite. The catalyst, additive and petroleum oil feedstock can be contacted in a down-flow or riser fluid catalytic cracking unit, that can also include a regeneration zone, a separation zone, and a stripping zone. The FCC unit includes an integrated control and monitoring system that monitors at least one parameter selected from FCC operating parameters, feed rate, feedstock properties, and product stream properties, and adjusts at least one parameter in response to the measured parameter to increase production of desulfurized products.

Method for Monitoring a Process for Refining a Hydrocarbon Feedstock by NMR Measurement of Transverse Relaxation time T2

The invention relates to a method for monitoring a process for refining a feedstock of hydrocarbons, in which: a) a signal representative of the transverse relaxation time of the different entities of an effluent resulting from said refining process, in particular an effluent comprising solid entities, is acquired by proton NMR, b) the signal measured is modeled using a mathematical function comprising several components, each component corresponding to a dynamic range of the entities of said effluent, c) the following are extracted from each of the components of the mathematical function: the transverse relaxation time of each of the components, the intensity of each of the components, d) a value of parameter characteristic of said effluent is determined from at least one intensity determined in stage c), e) a signal for controlling the refining process is generated as a function of said characteristic parameter.

APPARATUS AND PROCESS FOR THE ENHANCED PRODUCTION OF AROMATIC COMPOUNDS
20220228075 · 2022-07-21 · ·

Embodiments of the present disclosure are directed to a process for the upgrading of petroleum products comprising subjecting a diesel feed to a hydrocracking process, thereby producing a hydrocrackate fraction; subjecting the hydrocrackate fraction to a catalytic reforming process, thereby producing a reformate; and recovering aromatics from the reformate. In accordance with another embodiment of the present disclosure, a method of producing aromatics may comprise introducing a diesel feed to a hydrocracking unit to produce a hydrocrackate fraction, passing the hydrocrackate fraction to a catalytic reforming unit to produce a reformate, and passing the reformate to an aromatic recovery complex to produce an aromatic fraction. In accordance with yet another embodiment of the present disclosure, an apparatus for the upgrading of petroleum products may comprise a hydrocracker, a catalytic reformer, and an aromatic recovery complex. The hydrocracker may be in fluid communication with the catalytic reformer, the catalytic reformer may be in fluid communication with an aromatic recovery complex, and the hydrocracker may be structurally configured to receive a diesel feed.

Multi-stage process and device for treatment heavy marine fuel oil and resultant composition including ultrasound promoted desulfurization

A multi-stage process for reducing the environmental contaminants in an ISO8217 compliant Feedstock Heavy Marine Fuel Oil involving a core desulfurizing process and a ultrasound treatment process as either a pre-treating step or post-treating step to the core process. The Product Heavy Marine Fuel Oil complies with ISO 8217 for residual marine fuel oils and has a sulfur level has a maximum sulfur content (ISO 14596 or ISO 8754) between the range of 0.05 mass % to 1.0 mass. A process plant for conducting the process is also disclosed.

DEEP DESULPHURIZATION OF LOW SULPHUR CONTENT FEEDSTOCK

The invention pertains to a process for deep desulphurization of low sulphur content feedstock comprising the steps of providing a low sulphur content hydrocarbon feedstock and contacting said hydrocarbon feedstock with a cobalt-molybdenum desulphurizing system or a nickel-molybdenum desulphurizing system in an oxide form in order to obtain a very low sulphur product comprising less than 5 ppm by weight sulphur.

Methods of Using Ionic Liquids as Demulsifiers
20220169929 · 2022-06-02 ·

A method of demulsifying an emulsion with an ionic liquid having a nitrogen or phosphorus cation.

Heavy marine fuel oil composition

A process for reducing the environmental contaminants in a ISO 8217 compliant Feedstock Heavy Marine Fuel Oil (Feedstock), the process involving: mixing a quantity of the Feedstock with a quantity of Activating Gas mixture to give a feedstock mixture; contacting the feedstock mixture with one or more catalysts to form a Process Mixture from the feedstock mixture; separating the Product Heavy Marine Fuel Oil liquid (Product) components of the Process Mixture from the gaseous components and by-product hydrocarbons of the Process Mixture and, discharging the Product. The Product is compliant with ISO standards for residual marine fuel oils and has a maximum sulfur content between the range of 0.05% wt. to 0.50% wt. The Product can be used as or as a blending stock for compliant, low sulfur or ultralow sulfur heavy marine fuel oil. A device for conducting the process is also disclosed.

METHOD FOR PREPARING SYNTHESIS GAS
20230264952 · 2023-08-24 ·

Provided is a method for preparing synthesis gas, and more particularly, a method for preparing synthesis gas including: mixing a pyrolysis fuel oil (PFO) stream including a PFO and a pyrolysis gas oil (PGO) stream including a PGO discharged from a naphtha cracking center (NCC) process to produce a mixed oil stream (S10); and supplying the mixed oil stream to a combustion chamber for a gasification process to obtain synthesis gas (S20), wherein a ratio of a flow rate of the PGO stream in the mixed oil stream to a flow rate of the mixed oil stream is 0.01 to 0.3.

Fluid catalytic cracking catalyst for hydrocarbon oil

A fluid catalytic cracking catalyst for hydrocarbon oil that is a blend of two types of fluid catalytic cracking catalysts each of which has a different hydrogen transfer reaction activity or has a pore distribution within a specific range after being pseudo-equilibrated. One catalyst is a catalyst containing a zeolite and matrix components, and the other catalyst is a catalyst containing a zeolite and matrix components. This catalyst is composed of the one catalyst and the other catalyst blended at a mass ratio within a range of 10:90 to 90:10.

Process for multistage hydroprocessing in a single reactor

The present invention provides a multistage single reactor system for hydroprocessing and a process of carrying out multistage hydroprocessing in the said reactor assembly consisting of, a fixed bed solid catalyst system, a feed injection system enabling axial flow of hydrogen saturated hydrocarbon feed, a hydrogen dispensing system inside the reactor enabling minimum required hydrogen flow in cross-flow pattern, also using multitudes of integrated separation and withdrawal limbs for continuous staging. The innovative reactor disclosed in the present invention enables continuous separation and withdrawal of gaseous products along the reactor length by means of combined horizontal reactor orientation and vertical separation limbs provided at the top of the horizontally oriented reactor. The advantage of the reactor assembly includes effective heat sink of exothermic reactions and lower severity of operation due to removal of inhibitory gaseous products.