Distillation: processes, separatory inventions 02/08

20080047822 - System and method for providing ethanol dehydration services: A method for providing ethanol dehydration services is disclosed. A farmer may take advantages of a new service through the use of a resident ethanol production facility and produce hydrous alcohol. An ethanol dehydration service provider may set up a small scale ethanol dehydration service facility adjacent to the farmer,... Agent: Woodcock Washburn LLP

20080041713 - Method and apparatus for the variable extraction of a pressurized product by low-temperature gas fractionation: A method and apparatus for the variable extraction of a pressurized product by low-temperature gas fractionation in a distillation column system, is disclosed. Feed gas is cooled and taken to the distillation column system. A product stream is removed from the distillation column system. The product stream is brought to... Agent: Crowell & Moring LLP Intellectual Property Group

20080035466 - Method and apparatus for minimizing accumulation of polymer on process equipment, especially safety devices: Accumulation of polymer on equipment, which is in contact with polymerizable material during normal process operation, is minimized by the method and apparatus of the present invention. The method comprises positioning and affixing the equipment, such as a pressure relief device, to process apparatus, such as a distillation column, proximate... Agent: Rohm And Haas Company Patent Department

20080035467 - Method for recovering a liquid medium and system for recover a liquid medium: A method for recovering a liquid medium, comprising gas to be compulsorily contacted with the liquid medium to gasify the liquid medium, and condensing the gasified medium, and a device for recovering a liquid medium. Further, the present invention is directed to a device for recovering a liquid medium, wherein... Agent: Frishauf, Holtz, Goodman & Chick, PC

20080035468 - Method of purifying propylene oxide: A method of purifying propylene oxide, which comprises subjecting the propylene oxide containing methyl formate as an impurity to extractive distillation using a hydrocarbon of 7 to 10 carbon atoms as an extractant with an extractive distillation column, adding water to the distillate from the overhead of the extractive distillation... Agent: Sughrue Mion, PLLC

20080029381 - Distillation installation comprising columns with corrugated-crossed structured packings and method of increasing the capacity of a distillation installation: The invention relates to a distillation installation comprising a system of columns (1, 3) and means for conveying a flow (7, 9) that is to be separated into one column (1) in said system. According to the invention, at least one segment (A, D) of one column contains structured packings... Agent: Air Liquide Intellectual Property