Instituto Mexicano Del Petroleo

Guillermo Centeno Nolasco

Jorge Ancheyta Juárez

Gustavo Jesus Marroquin Sanchez

Patricia Rayo Mayoral

Fernando Alonso Martínez

Sergio Ramirez Amador

Gustavo Jesús Marroquín Sánchez

Jorge Fernando Ramirez Solis

Luis Carlos Castaneda Lopez

Jose Antonio Domingo Muñoz Moya

Luis Carlos Castañeda Lopez

Rodolfo Antonio Aguilar Escalante

Anton Alvarez Majmutov

Frenando Alonso Martínez

Gerardo Betancourt Rivera

Jose Antonio D Munoz Moya

José Antonio Domingo Muñoz Moya

Jose Antonio Munoz Moya

Jorge Ancheyta Juarez

Fernando Alonso Martinez

A hydrocracking catalyst having a support of a composite of mesoporous materials, molecular sieves and alumina, is used in the last bed of a multi-bed system for treating heavy crude oils and residues and is designed to increase the production of intermediate distillates having boiling points in a temperature range of 204&#xb0; C. to 538&#xb0; C., decrease the production of the heavy fraction (&#x3e;538&#xb0; C.), and increase the production of gasoline fraction (&#x3c;204&#xb0; C.). The feedstock to be processed in the last bed contains low amounts of metals and is lighter than the feedstock that is fed to the first catalytic bed.

Mesoporous composite of molecular sieves for hydrocracking of heavy crude oils and residues

The present invention relates to a process for the partial upgrading of properties of heavy and/or extra-heavy crude oil by low severity catalytic hydrotreatment in only one reaction step. The process of the present invention is obtained upgraded oil with properties required for its transportation from offshore platforms either to maritime terminal or to refining centers. The process reduces the viscosity of heavy and/or extra-heavy crude oil, and decreases the concentration of impurities, such as sulfur, nitrogen, and metals, in such a way that heavy and/or extra-heavy crude oils can be transported to maritime terminals or to refining centers. The process increases the lifetime of the catalyst and decreased operating costs by reducing consumption of utilities because the operation of the process is carried out at lower severity. The partially upgraded oils obtained in this process can be transported directly to the maritime terminals or to existing refineries.

Process for partial upgrading of heavy and/or extra-heavy crude oils for transportation

A process for hydroconversion-distillation of heavy and/or extra-heavy crude oils, which comprises four stages:

Process of hydroconversion-distillation of heavy and/or extra-heavy crude oils

A process for reducing sulfur, nitrogen, metals and asphaltene contents, while increasing the yield of distillable fractions in heavy hydrocarbons, by using a cooled light fraction as a liquid quench stream. The light fraction is obtained by splitting heavy hydrocarbons into a heavy fraction, and a light fraction which may be injected at spaced locations along a system of fixed-bed reactors series that comprises a first hydrodemetallization (HDM)/hydrodeasphaltenization (HDAs) step, followed by a second hydrodesulfurization (HDS)/hydrodenitrogenation (HDN)/hydrocracking step. The metal and asphaltene rich heavy fraction have contact with the entire catalyst system, while the light fraction is injected as side feed and quench stream(s) into the second reactor, where it is treated in admixture with the heavy fraction for elimination of the impurities of the light fraction.

Hydroprocessing of heavy hydrocarbons using liquid quench streams

Two-stage low pressure catalytic hydrotreatment of heavy petroleum hydrocarbons having a high content of contaminants (metals and asphaltenes), is conducted under operating conditions with low-pressure, in a fixed bed or ebullated bed reactor to limit the formation of sediments and sludge in the product and obtain a hydrotreated hydrocarbon of improved properties, with levels of contaminants, API gravity and distillates within the ranges commonly reported in the feedstocks typical to refining schemes. A hydrotreatment catalyst, whose principal effect is the hydrodemetallization and the hydrocracking of asphaltenes of the heavy hydrocarbons of petroleum is used in the first stage, and the second reaction stage employs a hydrotreatment catalyst for a deeper effect of hydrodesulfurization of the heavy petroleum hydrocarbon whose content of total sulfur is reduced to a level required for its treatment in the conventional refining process or for its sale as a hydrocarbon of petroleum with improved properties.

Process for the catalytic hydrotreatment of heavy hydrocarbons of petroleum

Growing community of inventors

Mexico City, Mexico

Guillermo Centeno Nolasco