| Patent application number | Description | Published |
|---|
| 20090291031 | Integrated Hydrocarbon Cracking and Product Olefin Cracking - Processing scheme and arrangement for increasing the relative yield of light olefins involves integration of the cracking a heavy hydrocarbon feedstock to produce an effluent comprising a range of hydrocarbon products including C | 11-26-2009 |
| 20090318737 | Production of Paraffinic Fuel from Renewable Feedstocks - A process has been developed for producing fuel from renewable feedstocks such as plant and animal oils and greases. The process involves treating a first portion of a renewable feedstock by hydrogenating and deoxygenating in a first reaction zone and a second portion of a renewable feedstock by hydrogenating and deoxygenating in a second reaction zone to provide a diesel boiling point range fuel hydrocarbon product. If desired, the hydrocarbon product can be isomerized to improve cold flow properties. A portion of the hydrocarbon product is recycled to the first reaction zone to increase the hydrogen solubility of the reaction mixture. | 12-24-2009 |
| 20090321319 | Multi-Staged Hydroprocessing Process And System - Methods and systems of processing a hydrocarbonaceous feed stock flows are provided. In one aspect, the method includes providing two or more hydroprocessing stages disposed in sequence, each hydroprocessing stage having a hydroprocessing reaction zone with a hydrogen requirement and each stage in fluid communication with the preceding stage. A hydrogen source is provided substantially free of hydrogen from a hydrogen recycle compressor. The hydrocarbonaceous feed stock flow is separated into an portions of fresh feed for each hydroprocessing stage, and then supplying the first portion of fresh feed with hydrogen from the hydrogen source in an amount satisfying substantially all of the hydrogen requirements of the hydroprocessing stages to a first hydroprocessing zone. | 12-31-2009 |
| 20100316536 | Process and Apparatus for Oligomerization in Multiple Stages with Single Fractionation Column - In an oligomerization process comprising at least two oligomerization reactors, at least portions of product streams from two reactors are separated in the same separator vessel. In an embodiment, a liquid product stream from the first oligomerization reactor is fed to a fractionation column and a side cut from the fractionation column feeds the second oligomerization reactor. | 12-16-2010 |
| 20110021851 | PROCESS OR SYSTEM FOR DESORBING AN ADSORBENT BED - One exemplary embodiment can be a process for desorbing an adsorbent bed. The process can include passing a desorbent stream through the adsorbent bed to remove at least one of a nitrile compound and an oxygenate compound. Generally, the desorbent stream after desorbing is combined with a feed stream for an alkylation zone after a selective hydrogenation zone. | 01-27-2011 |
| 20110105812 | CONTROLLING COLD FLOW PROPERTIES OF TRANSPORTATION FUELS FROM RENEWABLE FEEDSTOCKS - A process for improving cold flow properties of diesel range hydrocarbons produced from renewable feedstocks such as plant oils and animal oils. A renewable feedstock is treated by hydrogenating and deoxygenating to provide an effluent comprising paraffins followed by isomerizing and selectively hydrocracking at least a portion of the paraffins to generate a diesel range hydrocarbon product. A portion of the diesel range hydrocarbon product is selectively separated and recycled to the isomerization and selective hydrocracking zone. | 05-05-2011 |
| 20110192712 | ALKYLATION APPARATUS, FRACTIONATION ZONE, AND METHOD RELATING THERETO - One exemplary embodiment can be a fractionation zone for an alkylation apparatus. The fractionation zone can be a column adapted to receive a feed including at least one alcohol, water, and at least one ketone. The column may provide an overhead stream including the at least one ketone and a side-stream including the at least one alcohol and water. | 08-11-2011 |
| 20110245551 | USE OF A GUARD BED REACTOR TO IMPROVE CONVERSION OF BIOFEEDSTOCKS TO FUEL - The present invention involves a process for processing an acidic biorenewable feedstock comprising olefins, in which the acidic biorenewable feedstock is diluted with a deoxygenated feed to produce a diluted biorenewable feedstock and then is sent through a guard bed comprising a hydroprocessing catalyst to cause the olefins to be saturated with hydrogen and thereby to produce a treated biorenewable feedstock. This treated biorenewable feedstock can then be treated under standard hydroprocessing condition to produce an upgraded feedstock for transportation fuels. | 10-06-2011 |
| 20110257789 | ACTIVE CLOUD POINT CONTROLLER FOR REFINING APPLICATIONS AND RELATED METHOD - A method includes receiving a measurement associated with a cloud point of a biofuel being produced in a refining system. The method also includes determining how to adjust the refining system based on a desired cloud point of the biofuel and the measurement associated with the cloud point. The method further includes outputting a control signal to adjust the refining system based on the determination. Determining how to adjust the refining system could include determining how to adjust an inlet temperature of a reactor in the refining system. The reactor could represent an isomerization reactor, and a heater could heat material entering the isomerization reactor. Determining how to adjust the inlet temperature of the reactor could include determining how to adjust operation of the heater. A model predictive control (MPC) technique could be used to determine how to adjust the inlet temperature of the isomerization reactor. | 10-20-2011 |
| 20130012746 | PRODUCTION OF PARAFFINIC FUEL FROM RENEWABLE FEEDSTOCKS - A process has been developed for producing fuel from renewable feedstocks such as plant and animal oils and greases. The process involves treating a first portion of a renewable feedstock by hydrogenating and deoxygenating in a first reaction zone and a second portion of a renewable feedstock by hydrogenating and deoxygenating in a second reaction zone to provide a diesel boiling point range fuel hydrocarbon product. If desired, the hydrocarbon product can be isomerized to improve cold flow properties. A portion of the hydrocarbon product is recycled to the first reaction zone to increase the hydrogen solubility of the reaction mixture. | 01-10-2013 |
| 20130079574 | OLIGOMERIZATION PROCESS - One exemplary embodiment can be a process for oligomerizing one or more hydrocarbons. The process can include oligomerizing a feed including one or more C3-C5 hydrocarbons to produce an effluent, and recycling at least a portion of the effluent for oligomerizing. Typically, the recycled portion has at least about 50%, by weight, one or more alkenes based on the weight of the recycled portion. | 03-28-2013 |
| 20130131392 | METHODS FOR PRODUCING ETHYL TERT-BUTYL ETHER - Embodiments of methods for producing ethyl tert-butyl ether (ETBE) are provided herein. A method for producing ETBE comprises the steps of contacting a C | 05-23-2013 |
| 20130131417 | METHODS AND SYSTEMS FOR OLEFIN PRODUCTION - One example method of the invention includes a process for producing an olefin comprising the steps of communicating a feed stream that comprises a paraffin to a distillation section, communicating a distillation section output stream to a reactor and reacting the distillation section output stream in the reactor to produce a reactor output stream comprising an olefin. | 05-23-2013 |
| 20140134064 | APPARATUS FOR RECOVERING OLIGOMERATE - A process and apparatus that uses a debutanizer with a side stripper can recover a light stream, an intermediate stream and a liquid stream. One of the intermediate stream and the liquid stream can be recycled to oligomerization or to fluid catalytic cracking. | 05-15-2014 |
| 20140135549 | PROCESS FOR RECOVERING OLIGOMERATE - A process and apparatus that uses a debutanizer with a side stripper can recover a light stream, an intermediate stream and a liquid stream. One of the intermediate stream and the liquid stream can be recycled to oligomerization or to fluid catalytic cracking. | 05-15-2014 |
| 20140296590 | METHODS AND APPARATUSES FOR PROCESSING RENEWABLE FEEDSTOCKS - Embodiments of methods and apparatuses for processing a renewable feedstock are provided herein. In one example, a method comprises dividing a H | 10-02-2014 |
