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| Number | Title | Issue Date |
| 7323147 | Method and apparatus for treating oxygenate-containing feeds and their use in conversion of oxygenates to olefins A feed vaporization process and apparatus for oxygenate to olefin conversion is provided which uses a vapor-liquid disengaging drum to separate non-volatiles and/or partial non-volatiles from volatiles in the oxygenate feed and produce a vaporized effluent that is r... | 01/29/2008 |
| 7214843 | Treating oxygenate containing feedstreams in the conversion of oxygenates to olefins This invention is directed to removing contaminants from an oxygenate-containing feedstream for an oxygenate to olefin reaction system. Oxygenate feeds used in the conversion of oxygenates to olefins, and which contain contaminants, are heated to form a vapor stream... | 05/08/2007 |
| 7074979 | Processing a contaminated oxygenate-containing feed stream in an oxygenate to olefin reaction system A feed vaporization process and apparatus for oxygenate to olefin conversion is provided, which uses a vapor-liquid disengaging drum to separate non-volatiles and/or low-volatiles from volatiles in the oxygenate feed and produce a vaporized effluent that is reduced ... | 07/11/2006 |
| 7048833 | Method and apparatus for treating oxygenate-containing feeds and their use in conversion of oxygenates to olefins A feed vaporization process and apparatus for oxygenate to olefin conversion is provided which uses a vapor-liquid disengaging drum to separate non-volatiles and/or partial non-volatiles from volatiles in the oxygenate feed and produce a vaporized effluent that is r... | 05/23/2006 |
| 4759315 | Deaerator tray for a steam boiler feedwater heater system A tray stack for a boiler feedwater deaerator is provided with a plurality of horizontally spaced troughs arranged in vertically spaced and staggered tiers. Each of the troughs has a generally V-shaped bottom and a pair of outwardly-extending, inclined wa... | 07/26/1988 |
| 4006486 | Optical viewing, photographic device for vapor generator In an illustrative embodiment of the invention, a steam and water drum of a steam generating system is provided with an optical viewing device, partially inserted through the drum's manway, which permits visual inspection or observation of the drum intern... | 02/01/1977 |
