Oxygen analyzers provide valuable measurements in combustion control, process quality, safety and environmental applications. These are used in a variety of measurement scenarios including, but not limited to, boiler trimming in power plants, furnace optimization in refinery and petrochemical applications, process safety in vent headers, and product quality in ethylene production.
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The boiler duty is controlled by manipulating the total recycle flow. The client energy consumption is controlled by manipulating recycle flow ratios. Extractive distillation of Methylal from Methanol using DMF as described by Wang et al. in Ind. Eng. Chem. Res. (2012) Vol. 51 pp. 1281-1292 Source:
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These impurities are separated through Hydro extractive column, aldehyde column and defusel column through distillation. Finally the alcohol is concentrated to 96 % in the rectifier II column, ENA is drawn and transferred to refining column. then fed in to the recovery column and heated through re-boiler by steam to produce vapours and the
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Tray and packed columns are both commonly used for distillation, extractive, reactive, and cryogenic distillation. 1, 2 When the liquid reaches the bottom it enters a re-boiler and is either vaporized and re-enters the column or remains liquid and exits the system. This exiting stream, called the bottoms, contains the heavier components.
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