Distillation: processes, separatory inventions 09/09

20090236213 - Enrichment of light hydrocarbon mixture: Light hydrocarbon enrichment is accomplished using a vertically oriented distillation column having a plurality of vertically oriented, nonselective micro/mesoporous hollow fibers. Vapor having, for example, both propylene and propane is sent upward through the distillation column in between the hollow fibers. Vapor exits neat the top of the column and... Agent: Los Alamos National Security, LLC

20090229966 - Removing hydrocarbon impurities from acetic acid production process: A method for removing hydrocarbon impurities from an acetic acid production process is disclosed. The method comprises distilling at least a portion of the heavy organic phase from the decanter of the acetic acid production process into a vapor stream comprising the majority of methyl iodide (i.e., over 50% of... Agent: Lyondellbasell Industries

20090223803 - Evaporative cooler assisted desalinater: The invention provides an assembly for desalinating water comprising a cold air duct open to the dry channels of the evaporative cooler and extending around a humidification chamber disposed between the evaporative cooler and the condenser. The invention provides for a film valve including a flexible sheet intersecting the cold... Agent: Delphi Technologies, Inc.

20090223805 - Process for preparing n,n-dimethylaminoethoxyethanol: Processes comprising: (a) reacting dimethylamine and ethylene oxide to form a product mixture comprising N,N-dimethylethanolamine and N,N-dimethylaminoethoxyethanol; (b) distilling the product mixture to obtain a bottom fraction comprising N,N-dimethylaminoethoxyethanol; and (c) distilling the bottom fraction to separate at least a portion of the N,N-dimethylaminoethoxyethanol from the bottom fraction; and apparatus... Agent: Connolly Bove Lodge & Hutz, LLP

20090223804 - Process to c-manufacture acrylonitrile and hydrogen cyanide: A process for co-manufacture of acrylonitrile and hydrogen cyanide comprises combining a stream comprising hydrogen cyanide and an acrylonitrile reactor product stream, to produce a combined product stream, having a ratio of acrylonitrile to hydrogen cyanide of about 9 to 1 or less, which can be varied; and treating the... Agent: E I Du Pont De Nemours And Company Legal Patent Records Center

20090218210 - Energy-efficient distillation system: Methods and devices are provided for an energy-efficient distillation system (42). An energy-efficient distillation system (42) can include a fluid inlet (24), one or more heat-yielding purification elements (7, 15, 44) downstream of the fluid inlet (24), one or more heat pipes (6), and a fluid outlet (23) downstream of... Agent: Sonnenschein Nath & Rosenthal LLP