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| Number | Title | Issue Date |
| 7632395 | Method for metering catalyst in a fluid catalytic cracking catalyst injection system A method and apparatus for metering catalyst in a fluid catalytic cracking catalyst injection system are provided. In one embodiment, apparatus for metering catalyst in a fluid catalytic cracking catalyst injection system includes a low pressure storage vessel coupl... | 12/15/2009 |
| 7606678 | Method for monitoring a FCC catalyst injection system A method for monitoring a FCC catalyst injection system is provided. One embodiment of the invention includes steps for determining an occurrence of a pre-defined event and establishing communication between a control module of the injection system and a remote devi... | 10/20/2009 |
| 7605333 | Vacuum powered addition system A method for adding material to an FCC unit is provided. In one embodiment, a method for adding material to an FCC unit includes providing a first vessel under low pressure containing a first material, moving the material through a first eductor to the FCC unit, and... | 10/20/2009 |
| 7572364 | Fluid catalytic cracking system with fines addition system A fines injection apparatus, a fluid catalytic cracking (FCC) system having a fines injection apparatus, and a method for using the same are provided. In one embodiment, a FCC system includes a FCC unit, a fines collector, and a fines injector coupled to the fines c... | 08/11/2009 |
| 7560078 | Vacuum powered addition system An addition apparatus, a fluid catalytic cracking (FCC) system having an addition apparatus, and a method for adding material to an FCC unit are provided. In one embodiment, an addition system for an FCC unit includes a container, a first eductor and a sensor. The e... | 07/14/2009 |
| 7510647 | Mobile fluid catalytic cracking injection system A mobile fluid cracking catalyst injection system and a method of controlling a fluid catalyst cracking process is provided. In one embodiment, a mobile fluid catalyst cracking system includes a transportable platform, a catalyst reservoir coupled to the platform an... | 03/31/2009 |
| 7470406 | Method and apparatus for metering catalyst in a fluid catalytic cracking catalyst injection system A method and apparatus for metering catalyst in a fluid catalytic cracking catalyst injection system are provided. In one embodiment, apparatus for metering catalyst in a fluid catalytic cracking catalyst injection system includes a low pressure storage vessel coupl... | 12/30/2008 |
| 7438863 | Multi-catalyst injection system The invention is a multi-catalyst injection system. In one embodiment, the system comprises a plurality of catalyst storage regions associated with a vessel and a metering device associated with the vessel. The metering device is configured to provide a metric indic... | 10/21/2008 |
| 7431894 | Catalyst withdrawal apparatus for regulating catalyst inventory in a fluid catalyst cracking unit A catalyst withdrawal apparatus and method for regulating catalyst inventory in a fluid catalytic cracking catalyst (FCC) unit is provided. In one embodiment, a catalyst withdrawal apparatus for removing catalyst from a FCC unit includes a pressure vessel having a m... | 10/07/2008 |
| 7390396 | Catalyst injection system with pressure control The invention is a catalyst injection system and method for injecting catalyst. In one embodiment, a fluid catalytic injection system includes vessel configured to store one or more catalysts, a pressure transmitter, a pressure control valve, a discharge valve, and ... | 06/24/2008 |
| 7369959 | Fluid catalytic cracking catalyst injection system and method for communicating with same A method and apparatus for metering catalyst to a fluid catalytic cracking catalyst unit are provided. In one embodiment, an apparatus for metering catalyst to a fluid catalytic cracking catalyst unit includes a low pressure storage vessel coupled to a pressure vess... | 05/06/2008 |
| 7364708 | Multi-catalyst injection system The invention is a multi-catalyst injection system. In one embodiment, the system comprises a vessel suitable for storing fluid cracking catalyst and having a separator defining at least two compartments within the vessel. A plenum is defined in the vessel and is fl... | 04/29/2008 |
| 7050944 | FCC catalyst injection system having local data access A system and method for injecting catalyst into a fluid catalyst cracking (FCC) unit is provided. In one embodiment, a system for injecting catalyst into a FCC unit includes a catalyst injection apparatus coupled to a controller. The controller is housed in an enclo... | 05/23/2006 |
| 6859759 | Method and apparatus for monitoring catalyst requirements of a fluid catalytic cracking catalyst injection system A method and apparatus for monitoring catalyst requirements of a fluid catalytic cracking catalyst injection system is provided. In one embodiment, a method for monitoring catalyst requirements of a fluid catalytic cracking catalyst injection system includes the ste... | 02/22/2005 |
