Process and device for treating fluids by means of a pourable solid by the countercurrent method
Patent 5603907 Issued on February 18, 1997. Estimated Expiration Date: 
May 24, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
May 24, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesConverting a fuel to combustible gas Method for treating gas streams Process for absorbing toxic gas Technique for sequential rotation of reactors in a multi-reactor catalytic conversion system Apparatus for the separation of undesirable constituents from a waste gas Patent #: 5344616 InventorApplicationNo. 449286 filed on 05/24/1995US Classes:423/210, MODIFYING OR REMOVING COMPONENT OF NORMALLY GASEOUS MIXTURE422/196, Including plural parallel reaction stages with each stage in form of a reaction tube422/213, Particulate contact material type and means providing flow of particulate material into or out of reaction chamber with reactants or products423/235, Nitrogen or nitrogenous component423/239.1, Utilizing solid sorbent, catalyst, or reactant423/240S, Solid removal agent423/244.01Utilizing solid reactant or catalyst to remove or modify sulfur or sulfur containing componentExaminersPrimary: Straub, Gary P.Assistant: Hendrickson, Stuart L. Attorney, Agent or FirmForeign Patent References
International ClassB01D 047/00Foreign Application Priority Data1990-02-16 DEAbstractA process and device for the treatment of fluid, such as flue gas. A moving bed reactor has several reaction chambers. The reaction chambers are located in parallel flow locations. A solid bulk material is located in the reaction chambers. The fluid flows through the reaction chambers in parallel, from bottom to top of each reaction chamber. As the fluid flows through the reaction chambers, the fluid interacts with the bulk material to alter the fluid. Specifically, the bulk material absorbs and/or acts as a catalyst to remove impurities from the fluid. Flow through each of the reaction chambers can be interrupted without interruption of flow through the other reaction chambers. Some of the bulk material in each reaction chamber can be removed, as a layer, from the bottom and a replacement amount can be added, as a layer to the top.Other References
Field of SearchIncluding solid, extended surface, fluid contact reaction means; e.g., inert Raschig rings, particulate absorbent, particulate or monolithic catalyst, etc.Including plural reaction stages And means providing discrete sequential reaction stages; e.g., train, etc. Plural solid, extended surface, fluid contact reaction stages each containing; e.g., inert Raschig rings, particulate sorbent, particulate or monolithic catalyst, etc. Including plural parallel reaction stages with each stage in form of a reaction tube Particulate contact material type and means providing flow of particulate material into or out of reaction chamber with reactants or products With contact material regenerating means, per se, or combined with reactor MODIFYING OR REMOVING COMPONENT OF NORMALLY GASEOUS MIXTURE Solid removal agent Utilizing solid reactant or catalyst to remove or modify sulfur or sulfur containing component Utilizing solid sorbent, catalyst, or reactant Nitrogen or nitrogenous component |
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