| Patent application number | Description | Published |
|---|
| 20100176027 | Sour service hydroprocessing for diesel fuel production - An integrated process for producing diesel fuel from feedstocks, including diesel fuel production under sour conditions, is provided. The ability to process feedstocks under higher sulfur and/or nitrogen conditions allows for reduced cost processing and increases the flexibility in selecting a suitable feedstock. In addition to the benefits in sour service, the process also returns to clean service activity levels more quickly. | 07-15-2010 |
| 20110056869 | FUEL PRODUCTION FROM FEEDSTOCK CONTAINING LIPIDIC MATERIAL - This invention relates to the production of dewaxed and/or hydroisomerized fuel composition that includes a step of hydrotreating a feedstock containing the lipidic material. The fuel compositions are high quality fuel compositions in which the fuel can be ultimately tailored for a variety of end uses such as jet fuel or diesel fuel. | 03-10-2011 |
| 20110072715 | FUEL PRODUCTION FROM FEEDSTOCK CONTAINING TRIGLYCERIDE AND/OR FATTY ACID ALKYL ESTER - This invention relates to processes for the production of a fuel composition from a feedstock that comprises lipid material (e.g., bio-material) and mineral oil. The processes can be carried out without producing a significant mount of undesirable side reactions such as cracking, polymerization, and aromatization, which can be an undesirable consequence of large heats of reaction. As a result, the invention provides for the production of a product that is relatively high in quality, and catalyst used in the processes is not adversely affected to any significant extent. | 03-31-2011 |
| 20110163009 | HYDROPROCESSING OF HIGH NITROGEN FEED USING BULK CATALYST - Methods are provided for hydrotreating high nitrogen feeds with improved results for nitrogen removal, aromatic saturation, and/or sulfur removal. The method includes hydrotreating the feed with a supported hydrotreating catalyst followed by a bulk metal catalyst, the hydrotreated effluent of which can be suitable for use as a feed to an FCC reactor. | 07-07-2011 |
| 20110219669 | Hydroprocessing of diesel range biomolecules - Non-hydrotreated biocomponent feeds can be mixed with mineral feeds and processed under catalytic isomerization/dewaxing conditions. The catalytic isomerization/dewaxing conditions can be selected to advantageously also substantially deoxygenate the mixed feed. Diesel fuel products with improved cold flow properties can be produced. | 09-15-2011 |
| 20110219671 | DEWAXING OF RENEWABLE DIESEL FUEL - Feeds containing a hydrotreated biocomponent portion, and optionally a mineral portion, can be processed under catalytic conditions for isomerization and/or dewaxing. The sulfur content of the feed for dewaxing can be selected based on the hydrogenation metal used for the catalyst. Diesel fuel products with improved cold flow properties can be produced. | 09-15-2011 |
| 20110219672 | HYDROPROCESSING OF BIODIESEL FUELS AND BLENDS - A method for producing diesel fuel from biocomponent feeds includes hydrotreating the feed followed by catalytic dewaxing with a ZSM-48 containing catalyst. The hydrotreated feed may be cascaded directly to the dewaxing step, or the hydrotreated feed can undergo intermediate separation. The diesel fuel resulting from processing of the biocomponent feed exhibits superior cetane values. | 09-15-2011 |
| 20110277377 | HYDROPROCESSING OF PYROLYSIS OIL AND ITS USE AS A FUEL - This invention provides low sulfur fuels, particularly low sulfur bunker fuels, comprising hydroprocessed pyrolysis oil. The hydroprocessed pyrolysis oil can be produced using a catalyst suited to processing pyrolysis oils that may be relatively high in water content and under relatively low severity conditions to limit water formation, while making the hydroprocessed pyrolysis oil more stable than prior to hydroprocessing. The pyrolysis oil can be converted to a more stable hydroprocessed product, e.g., by converting at least a majority of the aldehydes, ketones, and/or carboxylic acids in the pyrolysis oil to more highly stable compounds, such as alcohols. The hydroprocessed product can be particularly suited as a blend component for producing a variety of reduced sulfur fuels. | 11-17-2011 |
| 20120080357 | HYDROCRACKING PROCESS SELECTIVE FOR IMPROVED DISTILLATE AND IMPROVED LUBE YIELD AND PROPERTIES - This invention relates to a process involving hydrocracking of a feedstream in which a converted fraction can exhibit relatively high distillate product yields and maintained or improved distillate fuel properties, while an unconverted fraction can exhibit improved properties particularly useful in the lubricant area. | 04-05-2012 |
| 20120142984 | CONVERSION CATALYSTS AND PROCESSES HAVING OXYGENATE AND WATER STABILITY - This invention relates to a method for processing oxygenated hydrocarbons to form a hydroisomerized and/or dewaxed hydrocarbon product having a reduced oxygen content, an increased iso-paraffin content, a low n-paraffin content, and good cold flow properties. Advantageously, the method can utilize a zeolitic base catalyst, optionally but preferably containing at least one activated metal component, and a hydrothermally-stable binder such as titania. | 06-07-2012 |
| 20120237415 | MODULAR CATALYST BED SUPPORT - A modular catalyst bed support can be used to increase the number of catalyst beds available in a reactor. The modular catalyst bed support can include a lattice with a plurality of lattice openings and modules inserted into the lattice openings. The modular catalyst bed support can rest on top of an underlying catalyst bed, which can reduce or eliminate the need for attachment of the modular catalyst bed support to the walls of the reactor. | 09-20-2012 |
| 20120241360 | HYDROPROCESSING METHODS UTILIZING CARBON OXIDE-TOLERANT CATALYSTS - The invention includes a hydrotreating method for increased CO content comprising: contacting an olefinic naphtha feedstream with a hydrogen-containing treat gas stream and a hydrotreating catalyst in a reactor under hydrotreating conditions sufficient to at least partially hydrodesulfurize and/or hydrodenitrogenate the feedstream, wherein the feedstream and the hydrogen-containing treat gas stream collectively have greater than 10 vppm CO content and/or wherein the reactor inlet sees an average CO concentration of greater than 10 vppm, wherein the hydrotreating catalyst comprises a catalyst having cobalt and molybdenum disposed on a silica-based support, and wherein the hydrotreating conditions are selected such that the catalyst has a relative HDS activity at least 10% greater than an identical catalyst under identical conditions except for a collective CO content of the feedstream and/or hydrogen-containing treat gas being <10 vppm and/or a reactor inlet CO content <10 vppm. | 09-27-2012 |
| 20120248008 | FUELS HYDROCRACKING WITH DEWAXING OF FUEL PRODUCTS - This invention relates to a process involving hydrocracking and dewaxing of a feedstream in which a converted fraction can correspond to a majority of the product from the reaction system, while an unconverted fraction can exhibit improved properties. In this hydrocracking process, it can be advantageous for the yield of unconverted fraction for gasoline fuel application to be controlled to maintain desirable cold flow properties for the unconverted fraction. Catalysts and conditions can be chosen to assist in attaining, or to optimize, desirable product yields and/or properties. | 10-04-2012 |
| 20130109895 | LOW TEMPERATURE ADSORBENT FOR REMOVING SULFUR FROM FUEL | 05-02-2013 |
| 20130341243 | HYDROCRACKING PROCESS SELECTIVE FOR IMPROVED DISTILLATE AND IMPROVED LUBE YIELD AND PROPERTIES - This invention relates to a process involving hydrocracking of a feedstream in which a converted fraction can exhibit relatively high distillate product yields and maintained or improved distillate fuel properties, while an unconverted fraction can exhibit improved properties particularly useful in the lubricant area. In this hydrocracking process, it can be advantageous for the yield of converted/unconverted product for gasoline fuel application to be reduced or minimized, relative to converted distillate fuel and unconverted lubricant. Catalysts and conditions can be chosen to assist in attaining, or to optimize, desirable product yields and/or properties. | 12-26-2013 |
| 20140048448 | HYDROPROCESSING OF HIGH NITROGEN FEED USING BULK CATALYST - Methods are provided for hydrotreating high nitrogen feeds with improved results for nitrogen removal, aromatic saturation, and/or sulfur removal. The method includes hydrotreating the feed with a supported hydrotreating catalyst followed by a bulk metal catalyst, the hydrotreated effluent of which can be suitable for use as a feed to an FCC reactor. | 02-20-2014 |
| 20140165356 | CONVERSION OF A REFORMING PROCESS/UNIT INTO A PARTIAL NAPHTHA CRACKING PROCESS/UNIT - A cost effective method for reutilizing exiting refinery equipment associated with either a Reformer Unit or Isomerization Unit by converting such units into units and associated processes for hydrodesulfurizing and cracking naphtha feedstocks into light plant gases and chemical feedstocks. These existing Reformer or Isomerization units and processes can be converted into the processes described herein with very little capital expenditures, essentially utilizing almost all of the existing unit equipment, and with little to no major equipment replacements. The processes disclosed herein also effectively reduce the overproduction of naphtha currently experienced in many modern refineries that have resulted from a reduction in overall demand of gasoline products relative to other refinery products. | 06-19-2014 |
| 20140291202 | PRODUCTION OF LOW CLOUD POINT DISTILLATE FUELS - Methods are provided for dewaxing a distillate fuel boiling range feed to improve one or more cold flow properties of the distillate fuel feed, such as cloud point, with reduced consumption of hydrogen during the dewaxing process. The reduced hydrogen consumption is achieved by using a dewaxing catalyst with a reduced content of hydrogenation metals, such as a content of Pt or Pd of from about 0.03 wt % to about 0.35 wt %. A distillate fuel feed can be dewaxed to achieve a desired cloud point differential using a reduced metals content dewaxing catalyst under the same or similar conditions to those required for a dewaxing catalyst with higher metals content. | 10-02-2014 |
| 20150041634 | CHARACTERIZATION AND PREDICTION OF JET FUEL QUALITY - Systems and methods are provided for characterizing kerosene fractions in order to determine whether the fractions will satisfy a desired thermal breakpoint specification. Additionally, hydrotreating conditions can be determined that will result in a hydrotreated kerosene fraction that satisfies the desired thermal breakpoint specification. The hydrotreating conditions can be determined based on a model constructed from data corresponding to a plurality of reference samples. The model can include data for compositional groups within the reference samples. The data for compositional groups can be derived from Fourier transform ion cyclotron resonance mass spectrometry data or from another suitable characterization technique. | 02-12-2015 |
