Petroleo Brasileiro S.a. - Petrobras

Petroleo Brasiliero S.a - Petrobras

Jose Geraldo Ramos

Valmor Neves Vieira

Eduardo Cardoso Guerra

Emanuel Freire Sandes

Jorivaldo Medeiros

Moacir Jose Bampi

Francisco Carlos Barros

Claudio Fonseca Santos

Ingrid Alexandra Zech

Monica Einsfeldt

Maria Celia Da Rocha

A process for the fluid catalytic cracking of heavy feeds under a heat balance regime is described, where one or more catalyst coolers external to the regenerator cool a stream of regenerated catalyst. A portion of said stream returns to the regenerator and a portion of the cooled regenerated catalyst is admixed to the non-cooled regenerated catalyst at a temperature substantially lower than the regenerator temperature, said admixture being brought into contact with the hydrocarbon feed to be cracked. As a result, the control of the catalyst circulation is rendered independent from the heat balance of the unit, with minimization of the thermal cracking, and therefore lower coke and fuel gas products.

Process for the fluid catalytic cracking of heavy feedstocks

A process for separating catalyst particles in the catalytic cracking of reacted hydrocarbons includes feeding the reacted hydrobarbons to an unconfined cyclone device made up of a diplegless cyclone opening directly into a large volume separator vessel downwardly through a mouth and upwardly through the annular space between concentric pipes. The concentric pipes are connected to the other components of the system as well as the hydrocarbon fluid catalytic cracking process carried out in the system.

Catalytic cracking process for hydrocarbons

A system for separating catalyst particles in the catalytic cracking of reacted hydrocarbons includes an unconfined cyclone device made up of a diplegless cyclone opening directly into a large volume separator vessel downwardly through a mouth and upwardly through the annular space between concentric pipes. The concentric pipes are connected to the other components of the system as well as the hydrocarbon fluid catalytic cracking process carried out in the system.

System to separate suspensions of catalyst particles and reacted mixture

Growing community of inventors

Rio de Janeiro, Brazil

Jose Geraldo Ramos