CLASS 518, CHEMISTRY: FISCHER-TROPSCH PROCESSES; OR PURIFICATION OR RECOVERY OF PRODUCTS THEREOF |
700 | LIQUID PHASE FISCHER-TROPSCH REACTION: |
This subclass is indented under the class definition. Processes wherein the Fischer-Tropsch reaction is carried out in the liquid state. | |
701 | . Rhodium containing catalyst utilized: |
This subclass is indented under subclass 700. Processes wherein a catalyst containing rhodium is utilized for the Fischer-Tropsch reaction. | |
702 | WITH PRELIMINARY REACTION TO FORM HYDROGEN OR A CARBON OXIDE: |
This subclass is indented under the class definition. Processes which include a reaction to form hydrogen or a carbon oxide prior to the Fischer-Tropsch reaction. | |
703 | . Gaseous oxygen utilized in the preliminary reaction: |
This subclass is indented under subclass 702. Processes wherein gaseous oxygen is utilized in the preliminary reaction. | |
704 | . Water utilized in the preliminary reaction |
This subclass is indented under subclass 702. Water utilized in the preliminary reaction: Processes wherein water is utilized in the preliminary reaction. | |
705 | TREATMENT OF FEED OR RECYCLE STREAM: |
This subclass is indented under the class definition. Processes wherein at least one reactant is treated prior to the Fischer-Tropsch reaction, such as removing sulfur therefrom, or processes wherein the recycle stream is treated prior to returning to the reaction zone. | |
706 | PLURAL ZONES EACH HAVING A FISCHER-TROPSCH REACTION: |
This subclass is indented under the class definition. Processes wherein Fischer-Tropsch reactions take place in two or more reaction zones. | |
707 | . Diverse catalysts utilized in at least two zones: |
This subclass is indented under subclass 706. Processes wherein different catalysts are utilized in at least two of the zones. | |
708 | . Water utilized: |
This subclass is indented under subclass 706. Processes wherein water is utilized in at least one of the zones. | |
709 | INCLUDING REGENERATION OF CATALYST: |
This subclass is indented under the class definition. Processes wherein a catalyst, after utilization, is recycled
for reuse.
SEE OR SEARCH CLASS:
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710 | . Solvent utilized: |
This subclass is indented under subclass 709. Processes wherein a solvent is utilized in the regeneration of a catalyst. | |
711 | WATER UTILIZED DURING THE FISCHER-TROPSCH STEP OF THE PROCESS: |
This subclass is indented under the class definition. Processes wherein water is utilized in the Fischer-Tropsch
step of the process.
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712 | TEMPERATURE CONTROL OR REGULATION OF THE FISCHER-TROPSCH REACTION: |
This subclass is indented under the class definition. Processes wherein some means or method is employed to control or regulate the reaction temperature. | |
713 | GROUP IB METAL CONTAINING CATALYST UTILIZED FOR THE FISCHER-TROPSCH REACTION (i.e., Cu, Ag, or Au): |
This subclass is indented under the class definition. Processes wherein a catalyst containing copper, silver, or gold is utilized for the Fischer-Tropsch reaction. | |
714 | GROUP VIB METAL CONTAINING CATALYST UTILIZED FOR THE FISCHER-TROPSCH REACTION (i.e., Cr, Mo, or W): |
This subclass is indented under the class definition. Processes wherein a catalyst containing chromium, molybdenum, or tungsten is utilized for the Fischer-Tropsch reaction. | |
715 | GROUP VIII METAL CONTAINING CATALYST UTILIZED FOR THE FISCHER-TROPSCH REACTION (i.e., Fe, Co, Ni, Ru, Rh, Pd, Os, Ir, or Pt): |
This subclass is indented under the class definition. Processes wherein a catalyst containing iron, cobalt, nickel, ruthenium, rhodium, palladium, osmium, iridium, or platinum is utilized for the Fischer-Tropsch reaction. | |
716 | . Rhodium containing catalyst: |
This subclass is indented under subclass 715. Processes wherein the catalyst contains rhodium. | |
717 | . Group IA or IIA light metal containing material utilized during the Fischer-tropsch step of the process (i.e., Li, Na, K, Rb, Cs, Be, Mg, Ca, Sr, or Ba): |
This subclass is indented under subclass 715. Processes wherein a material containing lithium, sodium, potassium, rubidium, cesium, beryllium, magnesium, calcium, strontium, or barium is utilized in any way during the Fischer-Tropsch reaction. | |
718 | .. In the form of a salt: |
This subclass is indented under subclass 717. Processes wherein a salt of a Group IA or IIA light metal is utilized. | |
719 | . Iron containing catalyst: |
This subclass is indented under subclass 715. Processes wherein a catalyst containing iron is utilized. | |
720 | .. Pretreatment of the catalyst: |
This subclass is indented under subclass 719. Processes wherein the iron-containing catalyst is treated in some manner prior to use. | |
721 | .. The catalyst contains a metal in addition to the iron, or another material utilized contains a metal other than iron (e.g., as a promoter, retarder, etc.): |
This subclass is indented under subclass 719. Processes wherein a metal, in addition to the iron, is utilized in any form, e.g., as part of the catalyst, in a promoter or retarder, etc. | |
722 | ADSORPTION WITH A SOLID MATERIAL: |
This subclass is indented under the class definition. Processes which include adsorption utilizing a solid material. | |
723 | SALT CONTAINING EXTRACTANT UTILIZED: |
This subclass is indented under the class definition. Processes which include utilizing a salt-containing material as an extractant. | |
724 | SOLVENT EXTRACTION UTILIZED: |
This subclass is indented under the class definition. Processes which include utilizing a solvent as an extractant. | |
725 | . Alcohol containing extractant utilized: |
This subclass is indented under subclass 724. Processes wherein the solvent utilized contains hydroxy groups. | |
726 | Hydrogenation with gaseous hydrogen to purify or recover: |
This subclass is indented under the class definition. Processes which include hydrogenation utilizing gaseous hydrogen to purify or recover the product(s) of the Fischer-Tropsch reaction. | |
727 | FORMING SALTS OR OXIMES OF OXYGEN CONTAINING COMPOUNDS TO PURIFY OR RECOVER: |
This subclass is indented under the class definition. Processes which include forming salts or oximes of the oxygen-containing compounds produced to purify or recover the products of the Fischer-Tropsch reaction. | |
728 | MISCELLANEOUS: |
This subclass is indented under the class definition. Processes not provided for in any other subclass to purify or recover. | |
FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
This subclass has no definition. | |